Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
author: David Woodhouse <dwmw2@infradead.org> 2006-05-06 14:59:18 -0400
committer: David Woodhouse <dwmw2@infradead.org> 2006-05-06 14:59:18 -0400
commit: 5047f09b56d0bc3c21aec9cb16de60283da645c6 (patch)
tree: 09a07554b933c3bb912ce3bfc0ea7c7e1f16041c
parent: c0f1fe00c3923135b2c2f443448585482da8a53e (diff)
parent: 5528e568a760442e0ec8fd2dea1f0791875a066b (diff)
211 files changed, 3293 insertions, 1441 deletions
diff --git a/CREDITS b/CREDITS
index 787564bc248b..6f50be37fa0f 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1194,15 +1194,9 @@ S: Brecksville, OH  44141-1334
 S: USA
 N: Tristan Greaves
-E: Tristan.Greaves@icl.com
+E: tristan@extricate.org
-E: tmg296@ecs.soton.ac.uk
+W: http://www.extricate.org/
-W: http://www.ecs.soton.ac.uk/~tmg296
 D: Miscellaneous ipv4 sysctl patches
-S: 15 Little Mead
-S: Denmead
-S: Hampshire
-S: PO7 6HS
-S: United Kingdom
 N: Michael A. Griffith
 E: grif@cs.ucr.edu
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1dbf6ddb300d..08b7cc900cae 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -150,8 +150,6 @@ config ARCH_IOP3XX
 config ARCH_IXP4XX
        bool "IXP4xx-based"
-        select DMABOUNCE
-        select PCI
        help
          Support for Intel's IXP4XX (XScale) family of processors.
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 0af3772efcb7..ace3fb5835d9 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -38,10 +38,10 @@ static void icedcc_putc(int ch)
                if (--i < 0)
                        return;
-                asm("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
+                asm volatile ("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
        } while (status & 2);
-        asm("mcr p15, 0, %0, c1, c0, 0" : : "r" (ch));
+        asm("mcr p14, 0, %0, c1, c0, 0" : : "r" (ch));
 }
 #define putc(ch)        icedcc_putc(ch)
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index b324dcac1c56..45fdf4a51a2a 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -95,5 +95,11 @@ int main(void)
  DEFINE(SYS_ERROR0,            0x9f0000);
  BLANK();
  DEFINE(SIZEOF_MACHINE_DESC,   sizeof(struct machine_desc));
+  DEFINE(MACHINFO_TYPE,         offsetof(struct machine_desc, nr));
+  DEFINE(MACHINFO_NAME,         offsetof(struct machine_desc, name));
+  DEFINE(MACHINFO_PHYSIO,       offsetof(struct machine_desc, phys_io));
+  DEFINE(MACHINFO_PGOFFIO,      offsetof(struct machine_desc, io_pg_offst));
+  DEFINE(PROCINFO_INITFUNC,     offsetof(struct proc_info_list, __cpu_flush));
+  DEFINE(PROCINFO_MMUFLAGS,     offsetof(struct proc_info_list, __cpu_mmu_flags));
  return 0; 
 }
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index 0bea65864051..adf62e5eaad7 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -20,12 +20,10 @@
 #include <asm/mach-types.h>
 #include <asm/procinfo.h>
 #include <asm/ptrace.h>
+#include <asm/asm-offsets.h>
 #include <asm/thread_info.h>
 #include <asm/system.h>
-#define PROCINFO_INITFUNC       12
-#define MACHINFO_TYPE           0
 /*
 * Kernel startup entry point.
 * ---------------------------
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 04b66a9328ef..04f7344e356a 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -24,14 +24,6 @@
 #include <asm/thread_info.h>
 #include <asm/system.h>
-#define PROCINFO_MMUFLAGS       8
-#define PROCINFO_INITFUNC       12
-#define MACHINFO_TYPE           0
-#define MACHINFO_PHYSIO         4
-#define MACHINFO_PGOFFIO        8
-#define MACHINFO_NAME           12
 #define KERNEL_RAM_ADDR (PAGE_OFFSET + TEXT_OFFSET)
 /*
diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c
index 9d8331be2b58..12ea58a3b84f 100644
--- a/arch/arm/mach-imx/generic.c
+++ b/arch/arm/mach-imx/generic.c
@@ -195,56 +195,6 @@ void __init imx_set_mmc_info(struct imxmmc_platform_data *info)
 }
 EXPORT_SYMBOL(imx_set_mmc_info);
-static struct resource imx_uart1_resources[] = {
-        [0] = {
-                .start  = 0x00206000,
-                .end    = 0x002060FF,
-                .flags  = IORESOURCE_MEM,
-        },
-        [1] = {
-                .start  = (UART1_MINT_RX),
-                .end    = (UART1_MINT_RX),
-                .flags  = IORESOURCE_IRQ,
-        },
-        [2] = {
-                .start  = (UART1_MINT_TX),
-                .end    = (UART1_MINT_TX),
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-static struct platform_device imx_uart1_device = {
-        .name           = "imx-uart",
-        .id             = 0,
-        .num_resources  = ARRAY_SIZE(imx_uart1_resources),
-        .resource       = imx_uart1_resources,
-};
-static struct resource imx_uart2_resources[] = {
-        [0] = {
-                .start  = 0x00207000,
-                .end    = 0x002070FF,
-                .flags  = IORESOURCE_MEM,
-        },
-        [1] = {
-                .start  = (UART2_MINT_RX),
-                .end    = (UART2_MINT_RX),
-                .flags  = IORESOURCE_IRQ,
-        },
-        [2] = {
-                .start  = (UART2_MINT_TX),
-                .end    = (UART2_MINT_TX),
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-static struct platform_device imx_uart2_device = {
-        .name           = "imx-uart",
-        .id             = 1,
-        .num_resources  = ARRAY_SIZE(imx_uart2_resources),
-        .resource       = imx_uart2_resources,
-};
 static struct imxfb_mach_info imx_fb_info;
 void __init set_imx_fb_info(struct imxfb_mach_info *hard_imx_fb_info)
@@ -283,8 +233,6 @@ static struct platform_device imxfb_device = {
 static struct platform_device *devices[] __initdata = {
        &imx_mmc_device,
        &imxfb_device,
-        &imx_uart1_device,
-        &imx_uart2_device,
 };
 static struct map_desc imx_io_desc[] __initdata = {
diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c
index e34d0df90aed..e1f6c0bbe1e7 100644
--- a/arch/arm/mach-imx/mx1ads.c
+++ b/arch/arm/mach-imx/mx1ads.c
@@ -26,6 +26,7 @@
 #include <asm/mach/arch.h>
 #include <asm/arch/mmc.h>
+#include <asm/arch/imx-uart.h>
 #include <linux/interrupt.h>
 #include "generic.h"
@@ -48,8 +49,70 @@ static struct platform_device cs89x0_device = {
        .resource       = cs89x0_resources,
 };
+static struct imxuart_platform_data uart_pdata = {
+        .flags = IMXUART_HAVE_RTSCTS,
+};
+static struct resource imx_uart1_resources[] = {
+        [0] = {
+                .start  = 0x00206000,
+                .end    = 0x002060FF,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = (UART1_MINT_RX),
+                .end    = (UART1_MINT_RX),
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = (UART1_MINT_TX),
+                .end    = (UART1_MINT_TX),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+static struct platform_device imx_uart1_device = {
+        .name           = "imx-uart",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(imx_uart1_resources),
+        .resource       = imx_uart1_resources,
+        .dev = {
+                .platform_data = &uart_pdata,
+        }
+};
+static struct resource imx_uart2_resources[] = {
+        [0] = {
+                .start  = 0x00207000,
+                .end    = 0x002070FF,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = (UART2_MINT_RX),
+                .end    = (UART2_MINT_RX),
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = (UART2_MINT_TX),
+                .end    = (UART2_MINT_TX),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+static struct platform_device imx_uart2_device = {
+        .name           = "imx-uart",
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(imx_uart2_resources),
+        .resource       = imx_uart2_resources,
+        .dev = {
+                .platform_data = &uart_pdata,
+        }
+};
 static struct platform_device *devices[] __initdata = {
        &cs89x0_device,
+        &imx_uart1_device,
+        &imx_uart2_device,
 };
 #ifdef CONFIG_MMC_IMX
@@ -75,6 +138,17 @@ mx1ads_init(void)
        imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);
        imx_set_mmc_info(&mx1ads_mmc_info);
 #endif
+        imx_gpio_mode(PC9_PF_UART1_CTS);
+        imx_gpio_mode(PC10_PF_UART1_RTS);
+        imx_gpio_mode(PC11_PF_UART1_TXD);
+        imx_gpio_mode(PC12_PF_UART1_RXD);
+        imx_gpio_mode(PB28_PF_UART2_CTS);
+        imx_gpio_mode(PB29_PF_UART2_RTS);
+        imx_gpio_mode(PB30_PF_UART2_TXD);
+        imx_gpio_mode(PB31_PF_UART2_RXD);
        platform_add_devices(devices, ARRAY_SIZE(devices));
 }
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index 5bf50a2a737d..2a39f9e481ad 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -11,6 +11,7 @@ comment "IXP4xx Platforms"
 config MACH_NSLU2
        bool
        prompt "Linksys NSLU2"
+        select PCI
        help
          Say 'Y' here if you want your kernel to support Linksys's
          NSLU2 NAS device. For more information on this platform,
@@ -18,6 +19,7 @@ config MACH_NSLU2
 config ARCH_AVILA
        bool "Avila"
+        select PCI
        help
          Say 'Y' here if you want your kernel to support the Gateworks
          Avila Network Platform. For more information on this platform,
@@ -25,6 +27,7 @@ config ARCH_AVILA
 config ARCH_ADI_COYOTE
        bool "Coyote"
+        select PCI
        help
          Say 'Y' here if you want your kernel to support the ADI 
          Engineering Coyote Gateway Reference Platform. For more
@@ -32,6 +35,7 @@ config ARCH_ADI_COYOTE
 config ARCH_IXDP425
        bool "IXDP425"
+        select PCI
        help
          Say 'Y' here if you want your kernel to support Intel's 
          IXDP425 Development Platform (Also known as Richfield).  
@@ -39,6 +43,7 @@ config ARCH_IXDP425
 config MACH_IXDPG425
        bool "IXDPG425"
+        select PCI
        help
          Say 'Y' here if you want your kernel to support Intel's
          IXDPG425 Development Platform (Also known as Montajade).
@@ -46,6 +51,7 @@ config MACH_IXDPG425
 config MACH_IXDP465
        bool "IXDP465"
+        select PCI
        help
          Say 'Y' here if you want your kernel to support Intel's
          IXDP465 Development Platform (Also known as BMP).
@@ -72,6 +78,7 @@ config ARCH_PRPMC1100
 config MACH_NAS100D
        bool
        prompt "NAS100D"
+        select PCI
        help
          Say 'Y' here if you want your kernel to support Iomega's
          NAS 100d device. For more information on this platform,
@@ -96,6 +103,7 @@ config CPU_IXP46X
 config MACH_GTWX5715
        bool "Gemtek WX5715 (Linksys WRV54G)"
        depends on ARCH_IXP4XX
+        select PCI
        help
                This board is currently inside the Linksys WRV54G Gateways.
@@ -110,11 +118,16 @@ config MACH_GTWX5715
                "High Speed" UART is n/c (as far as I can tell)
                20 Pin ARM/Xscale JTAG interface on J2
 comment "IXP4xx Options"
+config DMABOUNCE
+        bool
+        default y
+        depends on PCI
 config IXP4XX_INDIRECT_PCI
        bool "Use indirect PCI memory access"
+        depends on PCI
        help
          IXP4xx provides two methods of accessing PCI memory space:
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
index 0471044fa179..5a4aaa0e0a09 100644
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -2,8 +2,9 @@
 # Makefile for the linux kernel.
 #
-obj-y   += common.o common-pci.o 
+obj-y   += common.o
+obj-$(CONFIG_PCI)               += common-pci.o
 obj-$(CONFIG_ARCH_IXDP4XX)      += ixdp425-pci.o ixdp425-setup.o
 obj-$(CONFIG_MACH_IXDPG425)     += ixdpg425-pci.o coyote-setup.o
 obj-$(CONFIG_ARCH_ADI_COYOTE)   += coyote-pci.o coyote-setup.o
diff --git a/arch/arm/mach-pxa/dma.c b/arch/arm/mach-pxa/dma.c
index 458112b21e25..7d8c85486c66 100644
--- a/arch/arm/mach-pxa/dma.c
+++ b/arch/arm/mach-pxa/dma.c
@@ -45,23 +45,16 @@ int pxa_request_dma (char *name, pxa_dma_prio prio,
        local_irq_save(flags);
-        /* try grabbing a DMA channel with the requested priority */
+        do {
-        for (i = prio; i < prio + PXA_DMA_NBCH(prio); i++) {
+                /* try grabbing a DMA channel with the requested priority */
-                if (!dma_channels[i].name) {
+                pxa_for_each_dma_prio (i, prio) {
-                        found = 1;
-                        break;
-                }
-        }
-        if (!found) {
-                /* requested prio group is full, try hier priorities */
-                for (i = prio-1; i >= 0; i--) {
                        if (!dma_channels[i].name) {
                                found = 1;
                                break;
                        }
                }
-        }
+                /* if requested prio group is full, try a hier priority */
+        } while (!found && prio--);
        if (found) {
                DCSR(i) = DCSR_STARTINTR|DCSR_ENDINTR|DCSR_BUSERR;
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 37ff8145b5b5..03486be04193 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -245,7 +245,7 @@ void VFP9_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
         */
        barrier();
        trigger = fmrx(FPINST2);
-        fpscr = fmrx(FPSCR);
+        orig_fpscr = fpscr = fmrx(FPSCR);
 emulate:
        exceptions = vfp_emulate_instruction(trigger, fpscr, regs);
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 049a25583793..40e5aba3ad3d 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -215,7 +215,7 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
 {
        struct acpi_table_madt *madt = NULL;
-        if (!phys_addr || !size || !cpu_has_apic)
+        if (!phys_addr || !size)
                return -EINVAL;
        madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size);
@@ -1102,9 +1102,6 @@ int __init acpi_boot_table_init(void)
        dmi_check_system(acpi_dmi_table);
 #endif
-        if (!cpu_has_apic)
-                return -ENODEV;
        /*
         * If acpi_disabled, bail out
         * One exception: acpi=ht continues far enough to enumerate LAPICs
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 254cee9f0b7b..013b85df18c6 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -757,10 +757,6 @@ static int __init apic_set_verbosity(char *str)
                apic_verbosity = APIC_DEBUG;
        else if (strcmp("verbose", str) == 0)
                apic_verbosity = APIC_VERBOSE;
-        else
-                printk(KERN_WARNING "APIC Verbosity level %s not recognised"
-                                " use apic=verbose or apic=debug\n", str);
        return 1;
 }
diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c
index 506462ef36a0..fd7eaf7866e0 100644
--- a/arch/i386/kernel/ptrace.c
+++ b/arch/i386/kernel/ptrace.c
@@ -671,7 +671,7 @@ int do_syscall_trace(struct pt_regs *regs, int entryexit)
        if (unlikely(current->audit_context)) {
                if (entryexit)
-                        audit_syscall_exit(current, AUDITSC_RESULT(regs->eax),
+                        audit_syscall_exit(AUDITSC_RESULT(regs->eax),
                                                regs->eax);
                /* Debug traps, when using PTRACE_SINGLESTEP, must be sent only
                 * on the syscall exit path. Normally, when TIF_SYSCALL_AUDIT is
@@ -720,14 +720,13 @@ int do_syscall_trace(struct pt_regs *regs, int entryexit)
        ret = is_sysemu;
 out:
        if (unlikely(current->audit_context) && !entryexit)
-                audit_syscall_entry(current, AUDIT_ARCH_I386, regs->orig_eax,
+                audit_syscall_entry(AUDIT_ARCH_I386, regs->orig_eax,
                                    regs->ebx, regs->ecx, regs->edx, regs->esi);
        if (ret == 0)
                return 0;
        regs->orig_eax = -1; /* force skip of syscall restarting */
        if (unlikely(current->audit_context))
-                audit_syscall_exit(current, AUDITSC_RESULT(regs->eax),
+                audit_syscall_exit(AUDITSC_RESULT(regs->eax), regs->eax);
-                                regs->eax);
        return 1;
 }
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 80cb3b2d0997..d77e89ac0d54 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -970,8 +970,10 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
  * not-overlapping, which is the case
  */
 int __init
-e820_all_mapped(unsigned long start, unsigned long end, unsigned type)
+e820_all_mapped(unsigned long s, unsigned long e, unsigned type)
 {
+        u64 start = s;
+        u64 end = e;
        int i;
        for (i = 0; i < e820.nr_map; i++) {
                struct e820entry *ei = &e820.map[i];
diff --git a/arch/i386/kernel/timers/timer_tsc.c b/arch/i386/kernel/timers/timer_tsc.c
index 5e41ee29c8cf..f1187ddb0d0f 100644
--- a/arch/i386/kernel/timers/timer_tsc.c
+++ b/arch/i386/kernel/timers/timer_tsc.c
@@ -279,7 +279,7 @@ time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
 {
        struct cpufreq_freqs *freq = data;
-        if (val != CPUFREQ_RESUMECHANGE)
+        if (val != CPUFREQ_RESUMECHANGE && val != CPUFREQ_SUSPENDCHANGE)
                write_seqlock_irq(&xtime_lock);
        if (!ref_freq) {
                if (!freq->old){
@@ -312,7 +312,7 @@ time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
        }
 end:
-        if (val != CPUFREQ_RESUMECHANGE)
+        if (val != CPUFREQ_RESUMECHANGE && val != CPUFREQ_SUSPENDCHANGE)
                write_sequnlock_irq(&xtime_lock);
        return 0;
diff --git a/arch/i386/kernel/vm86.c b/arch/i386/kernel/vm86.c
index aee14fafd13d..00e0118e717c 100644
--- a/arch/i386/kernel/vm86.c
+++ b/arch/i386/kernel/vm86.c
@@ -312,7 +312,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk
        /*call audit_syscall_exit since we do not exit via the normal paths */
        if (unlikely(current->audit_context))
-                audit_syscall_exit(current, AUDITSC_RESULT(eax), eax);
+                audit_syscall_exit(AUDITSC_RESULT(eax), eax);
        __asm__ __volatile__(
                "movl %0,%%esp\n\t"
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 9887c8787e7a..e61e15e28d8b 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -1644,7 +1644,7 @@ syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
                        arch = AUDIT_ARCH_IA64;
                }
-                audit_syscall_entry(current, arch, syscall, arg0, arg1, arg2, arg3);
+                audit_syscall_entry(arch, syscall, arg0, arg1, arg2, arg3);
        }
 }
@@ -1662,7 +1662,7 @@ syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
                if (success != AUDITSC_SUCCESS)
                        result = -result;
-                audit_syscall_exit(current, success, result);
+                audit_syscall_exit(success, result);
        }
        if (test_thread_flag(TIF_SYSCALL_TRACE)
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index f3106d0771b0..9b4733c12395 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -483,7 +483,7 @@ static inline int audit_arch(void)
 asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
 {
        if (unlikely(current->audit_context) && entryexit)
-                audit_syscall_exit(current, AUDITSC_RESULT(regs->regs[2]),
+                audit_syscall_exit(AUDITSC_RESULT(regs->regs[2]),
                                   regs->regs[2]);
        if (!(current->ptrace & PT_PTRACED))
@@ -507,7 +507,7 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
        }
 out:
        if (unlikely(current->audit_context) && !entryexit)
-                audit_syscall_entry(current, audit_arch(), regs->regs[2],
+                audit_syscall_entry(audit_arch(), regs->regs[2],
                                    regs->regs[4], regs->regs[5],
                                    regs->regs[6], regs->regs[7]);
 }
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 856ef1a832b9..f78866367b70 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -90,15 +90,15 @@ void __kprobes arch_remove_kprobe(struct kprobe *p)
 static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
 {
-        kprobe_opcode_t insn = *p->ainsn.insn;
        regs->msr |= MSR_SE;
-        /* single step inline if it is a trap variant */
+        /*
-        if (is_trap(insn))
+         * On powerpc we should single step on the original
-                regs->nip = (unsigned long)p->addr;
+         * instruction even if the probed insn is a trap
-        else
+         * variant as values in regs could play a part in
-                regs->nip = (unsigned long)p->ainsn.insn;
+         * if the trap is taken or not
+         */
+        regs->nip = (unsigned long)p->ainsn.insn;
 }
 static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 1cb69e8fb0b1..9a07f97f0712 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -885,6 +885,74 @@ void __init unflatten_device_tree(void)
        DBG(" <- unflatten_device_tree()\n");
 }
+/*
+ * ibm,pa-features is a per-cpu property that contains a string of
+ * attribute descriptors, each of which has a 2 byte header plus up
+ * to 254 bytes worth of processor attribute bits.  First header
+ * byte specifies the number of bytes following the header.
+ * Second header byte is an "attribute-specifier" type, of which
+ * zero is the only currently-defined value.
+ * Implementation:  Pass in the byte and bit offset for the feature
+ * that we are interested in.  The function will return -1 if the
+ * pa-features property is missing, or a 1/0 to indicate if the feature
+ * is supported/not supported.  Note that the bit numbers are
+ * big-endian to match the definition in PAPR.
+ */
+static struct ibm_pa_feature {
+        unsigned long   cpu_features;   /* CPU_FTR_xxx bit */
+        unsigned int    cpu_user_ftrs;  /* PPC_FEATURE_xxx bit */
+        unsigned char   pabyte;         /* byte number in ibm,pa-features */
+        unsigned char   pabit;          /* bit number (big-endian) */
+        unsigned char   invert;         /* if 1, pa bit set => clear feature */
+} ibm_pa_features[] __initdata = {
+        {0, PPC_FEATURE_HAS_MMU,        0, 0, 0},
+        {0, PPC_FEATURE_HAS_FPU,        0, 1, 0},
+        {CPU_FTR_SLB, 0,                0, 2, 0},
+        {CPU_FTR_CTRL, 0,               0, 3, 0},
+        {CPU_FTR_NOEXECUTE, 0,          0, 6, 0},
+        {CPU_FTR_NODSISRALIGN, 0,       1, 1, 1},
+        {CPU_FTR_CI_LARGE_PAGE, 0,      1, 2, 0},
+};
+static void __init check_cpu_pa_features(unsigned long node)
+{
+        unsigned char *pa_ftrs;
+        unsigned long len, tablelen, i, bit;
+        pa_ftrs = of_get_flat_dt_prop(node, "ibm,pa-features", &tablelen);
+        if (pa_ftrs == NULL)
+                return;
+        /* find descriptor with type == 0 */
+        for (;;) {
+                if (tablelen < 3)
+                        return;
+                len = 2 + pa_ftrs[0];
+                if (tablelen < len)
+                        return;         /* descriptor 0 not found */
+                if (pa_ftrs[1] == 0)
+                        break;
+                tablelen -= len;
+                pa_ftrs += len;
+        }
+        /* loop over bits we know about */
+        for (i = 0; i < ARRAY_SIZE(ibm_pa_features); ++i) {
+                struct ibm_pa_feature *fp = &ibm_pa_features[i];
+                if (fp->pabyte >= pa_ftrs[0])
+                        continue;
+                bit = (pa_ftrs[2 + fp->pabyte] >> (7 - fp->pabit)) & 1;
+                if (bit ^ fp->invert) {
+                        cur_cpu_spec->cpu_features |= fp->cpu_features;
+                        cur_cpu_spec->cpu_user_features |= fp->cpu_user_ftrs;
+                } else {
+                        cur_cpu_spec->cpu_features &= ~fp->cpu_features;
+                        cur_cpu_spec->cpu_user_features &= ~fp->cpu_user_ftrs;
+                }
+        }
+}
 static int __init early_init_dt_scan_cpus(unsigned long node,
                                          const char *uname, int depth,
                                          void *data)
@@ -969,6 +1037,8 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
        }
 #endif /* CONFIG_ALTIVEC */
+        check_cpu_pa_features(node);
 #ifdef CONFIG_PPC_PSERIES
        if (nthreads > 1)
                cur_cpu_spec->cpu_features |= CPU_FTR_SMT;
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index bcb83574335b..4a677d1bd4ef 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -538,7 +538,7 @@ void do_syscall_trace_enter(struct pt_regs *regs)
                do_syscall_trace();
        if (unlikely(current->audit_context))
-                audit_syscall_entry(current,
+                audit_syscall_entry(
 #ifdef CONFIG_PPC32
                                    AUDIT_ARCH_PPC,
 #else
@@ -556,8 +556,7 @@ void do_syscall_trace_leave(struct pt_regs *regs)
 #endif
        if (unlikely(current->audit_context))
-                audit_syscall_exit(current,
+                audit_syscall_exit((regs->ccr&0x1000)?AUDITSC_FAILURE:AUDITSC_SUCCESS,
-                                   (regs->ccr&0x1000)?AUDITSC_FAILURE:AUDITSC_SUCCESS,
                                   regs->result);
        if ((test_thread_flag(TIF_SYSCALL_TRACE)
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index ed737cacf92d..5bc2585c8036 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -322,13 +322,31 @@ static void register_nodes(void)
                }
        }
 }
+int sysfs_add_device_to_node(struct sys_device *dev, int nid)
+{
+        struct node *node = &node_devices[nid];
+        return sysfs_create_link(&node->sysdev.kobj, &dev->kobj,
+                        kobject_name(&dev->kobj));
+}
+void sysfs_remove_device_from_node(struct sys_device *dev, int nid)
+{
+        struct node *node = &node_devices[nid];
+        sysfs_remove_link(&node->sysdev.kobj, kobject_name(&dev->kobj));
+}
 #else
 static void register_nodes(void)
 {
        return;
 }
 #endif
+EXPORT_SYMBOL_GPL(sysfs_add_device_to_node);
+EXPORT_SYMBOL_GPL(sysfs_remove_device_from_node);
 /* Only valid if CPU is present. */
 static ssize_t show_physical_id(struct sys_device *dev, char *buf)
 {
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 0a335f34974c..092355f37399 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -194,7 +194,7 @@ static int *of_get_associativity(struct device_node *dev)
 /* Returns nid in the range [0..MAX_NUMNODES-1], or -1 if no useful numa
 * info is found.
 */
-static int of_node_to_nid(struct device_node *device)
+static int of_node_to_nid_single(struct device_node *device)
 {
        int nid = -1;
        unsigned int *tmp;
@@ -216,6 +216,28 @@ out:
        return nid;
 }
+/* Walk the device tree upwards, looking for an associativity id */
+int of_node_to_nid(struct device_node *device)
+{
+        struct device_node *tmp;
+        int nid = -1;
+        of_node_get(device);
+        while (device) {
+                nid = of_node_to_nid_single(device);
+                if (nid != -1)
+                        break;
+                tmp = device;
+                device = of_get_parent(tmp);
+                of_node_put(tmp);
+        }
+        of_node_put(device);
+        return nid;
+}
+EXPORT_SYMBOL_GPL(of_node_to_nid);
 /*
 * In theory, the "ibm,associativity" property may contain multiple
 * associativity lists because a resource may be multiply connected
@@ -300,7 +322,7 @@ static int __cpuinit numa_setup_cpu(unsigned long lcpu)
                goto out;
        }
-        nid = of_node_to_nid(cpu);
+        nid = of_node_to_nid_single(cpu);
        if (nid < 0 || !node_online(nid))
                nid = any_online_node(NODE_MASK_ALL);
@@ -393,7 +415,7 @@ static int __init parse_numa_properties(void)
                cpu = find_cpu_node(i);
                BUG_ON(!cpu);
-                nid = of_node_to_nid(cpu);
+                nid = of_node_to_nid_single(cpu);
                of_node_put(cpu);
                /*
@@ -437,7 +459,7 @@ new_range:
                 * have associativity properties.  If none, then
                 * everything goes to default_nid.
                 */
-                nid = of_node_to_nid(memory);
+                nid = of_node_to_nid_single(memory);
                if (nid < 0)
                        nid = default_nid;
                node_set_online(nid);
@@ -776,7 +798,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
 ha_new_range:
                start = read_n_cells(n_mem_addr_cells, &memcell_buf);
                size = read_n_cells(n_mem_size_cells, &memcell_buf);
-                nid = of_node_to_nid(memory);
+                nid = of_node_to_nid_single(memory);
                /* Domains not present at boot default to 0 */
                if (nid < 0 || !node_online(nid))
diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig
index c2a3db8edb0c..6a02d51086c8 100644
--- a/arch/powerpc/platforms/cell/Kconfig
+++ b/arch/powerpc/platforms/cell/Kconfig
@@ -12,7 +12,8 @@ config SPU_FS
 config SPUFS_MMAP
        bool
-        depends on SPU_FS && SPARSEMEM && !PPC_64K_PAGES
+        depends on SPU_FS && SPARSEMEM
+        select MEMORY_HOTPLUG
        default y
 endmenu
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index dac5d0365fde..6574b22b3cf3 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -29,6 +29,8 @@
 #include <linux/seq_file.h>
 #include <linux/root_dev.h>
 #include <linux/console.h>
+#include <linux/mutex.h>
+#include <linux/memory_hotplug.h>
 #include <asm/mmu.h>
 #include <asm/processor.h>
@@ -46,6 +48,7 @@
 #include <asm/cputable.h>
 #include <asm/ppc-pci.h>
 #include <asm/irq.h>
+#include <asm/spu.h>
 #include "interrupt.h"
 #include "iommu.h"
@@ -69,77 +72,6 @@ static void cell_show_cpuinfo(struct seq_file *m)
        of_node_put(root);
 }
-#ifdef CONFIG_SPARSEMEM
-static int __init find_spu_node_id(struct device_node *spe)
-{
-        unsigned int *id;
-#ifdef CONFIG_NUMA
-        struct device_node *cpu;
-        cpu = spe->parent->parent;
-        id = (unsigned int *)get_property(cpu, "node-id", NULL);
-#else
-        id = NULL;
-#endif
-        return id ? *id : 0;
-}
-static void __init cell_spuprop_present(struct device_node *spe,
-                                       const char *prop, int early)
-{
-        struct address_prop {
-                unsigned long address;
-                unsigned int len;
-        } __attribute__((packed)) *p;
-        int proplen;
-        unsigned long start_pfn, end_pfn, pfn;
-        int node_id;
-        p = (void*)get_property(spe, prop, &proplen);
-        WARN_ON(proplen != sizeof (*p));
-        node_id = find_spu_node_id(spe);
-        start_pfn = p->address >> PAGE_SHIFT;
-        end_pfn = (p->address + p->len + PAGE_SIZE - 1) >> PAGE_SHIFT;
-        /* We need to call memory_present *before* the call to sparse_init,
-           but we can initialize the page structs only *after* that call.
-           Thus, we're being called twice. */
-        if (early)
-                memory_present(node_id, start_pfn, end_pfn);
-        else {
-                /* As the pages backing SPU LS and I/O are outside the range
-                   of regular memory, their page structs were not initialized
-                   by free_area_init. Do it here instead. */
-                for (pfn = start_pfn; pfn < end_pfn; pfn++) {
-                        struct page *page = pfn_to_page(pfn);
-                        set_page_links(page, ZONE_DMA, node_id, pfn);
-                        init_page_count(page);
-                        reset_page_mapcount(page);
-                        SetPageReserved(page);
-                        INIT_LIST_HEAD(&page->lru);
-                }
-        }
-}
-static void __init cell_spumem_init(int early)
-{
-        struct device_node *node;
-        for (node = of_find_node_by_type(NULL, "spe");
-                        node; node = of_find_node_by_type(node, "spe")) {
-                cell_spuprop_present(node, "local-store", early);
-                cell_spuprop_present(node, "problem", early);
-                cell_spuprop_present(node, "priv1", early);
-                cell_spuprop_present(node, "priv2", early);
-        }
-}
-#else
-static void __init cell_spumem_init(int early)
-{
-}
-#endif
 static void cell_progress(char *s, unsigned short hex)
 {
        printk("*** %04x : %s\n", hex, s ? s : "");
@@ -172,8 +104,6 @@ static void __init cell_setup_arch(void)
 #endif
        mmio_nvram_init();
-        cell_spumem_init(0);
 }
 /*
@@ -189,8 +119,6 @@ static void __init cell_init_early(void)
        ppc64_interrupt_controller = IC_CELL_PIC;
-        cell_spumem_init(1);
        DBG(" <- cell_init_early()\n");
 }
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index ef47a6239d48..ad141fe8d52d 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -520,8 +520,50 @@ void spu_irq_setaffinity(struct spu *spu, int cpu)
 }
 EXPORT_SYMBOL_GPL(spu_irq_setaffinity);
-static void __iomem * __init map_spe_prop(struct device_node *n,
+static int __init find_spu_node_id(struct device_node *spe)
-                                                 const char *name)
+{
+        unsigned int *id;
+        struct device_node *cpu;
+        cpu = spe->parent->parent;
+        id = (unsigned int *)get_property(cpu, "node-id", NULL);
+        return id ? *id : 0;
+}
+static int __init cell_spuprop_present(struct spu *spu, struct device_node *spe,
+                const char *prop)
+{
+        static DEFINE_MUTEX(add_spumem_mutex);
+        struct address_prop {
+                unsigned long address;
+                unsigned int len;
+        } __attribute__((packed)) *p;
+        int proplen;
+        unsigned long start_pfn, nr_pages;
+        struct pglist_data *pgdata;
+        struct zone *zone;
+        int ret;
+        p = (void*)get_property(spe, prop, &proplen);
+        WARN_ON(proplen != sizeof (*p));
+        start_pfn = p->address >> PAGE_SHIFT;
+        nr_pages = ((unsigned long)p->len + PAGE_SIZE - 1) >> PAGE_SHIFT;
+        pgdata = NODE_DATA(spu->nid);
+        zone = pgdata->node_zones;
+        /* XXX rethink locking here */
+        mutex_lock(&add_spumem_mutex);
+        ret = __add_pages(zone, start_pfn, nr_pages);
+        mutex_unlock(&add_spumem_mutex);
+        return ret;
+}
+static void __iomem * __init map_spe_prop(struct spu *spu,
+                struct device_node *n, const char *name)
 {
        struct address_prop {
                unsigned long address;
@@ -530,6 +572,8 @@ static void __iomem * __init map_spe_prop(struct device_node *n,
        void *p;
        int proplen;
+        void* ret = NULL;
+        int err = 0;
        p = get_property(n, name, &proplen);
        if (proplen != sizeof (struct address_prop))
@@ -537,7 +581,14 @@ static void __iomem * __init map_spe_prop(struct device_node *n,
        prop = p;
-        return ioremap(prop->address, prop->len);
+        err = cell_spuprop_present(spu, n, name);
+        if (err && (err != -EEXIST))
+                goto out;
+        ret = ioremap(prop->address, prop->len);
+ out:
+        return ret;
 }
 static void spu_unmap(struct spu *spu)
@@ -548,44 +599,45 @@ static void spu_unmap(struct spu *spu)
        iounmap((u8 __iomem *)spu->local_store);
 }
-static int __init spu_map_device(struct spu *spu, struct device_node *spe)
+static int __init spu_map_device(struct spu *spu, struct device_node *node)
 {
        char *prop;
        int ret;
        ret = -ENODEV;
-        prop = get_property(spe, "isrc", NULL);
+        prop = get_property(node, "isrc", NULL);
        if (!prop)
                goto out;
        spu->isrc = *(unsigned int *)prop;
-        spu->name = get_property(spe, "name", NULL);
+        spu->name = get_property(node, "name", NULL);
        if (!spu->name)
                goto out;
-        prop = get_property(spe, "local-store", NULL);
+        prop = get_property(node, "local-store", NULL);
        if (!prop)
                goto out;
        spu->local_store_phys = *(unsigned long *)prop;
        /* we use local store as ram, not io memory */
-        spu->local_store = (void __force *)map_spe_prop(spe, "local-store");
+        spu->local_store = (void __force *)
+                map_spe_prop(spu, node, "local-store");
        if (!spu->local_store)
                goto out;
-        prop = get_property(spe, "problem", NULL);
+        prop = get_property(node, "problem", NULL);
        if (!prop)
                goto out_unmap;
        spu->problem_phys = *(unsigned long *)prop;
-        spu->problem= map_spe_prop(spe, "problem");
+        spu->problem= map_spe_prop(spu, node, "problem");
        if (!spu->problem)
                goto out_unmap;
-        spu->priv1= map_spe_prop(spe, "priv1");
+        spu->priv1= map_spe_prop(spu, node, "priv1");
        /* priv1 is not available on a hypervisor */
-        spu->priv2= map_spe_prop(spe, "priv2");
+        spu->priv2= map_spe_prop(spu, node, "priv2");
        if (!spu->priv2)
                goto out_unmap;
        ret = 0;
@@ -597,17 +649,6 @@ out:
        return ret;
 }
-static int __init find_spu_node_id(struct device_node *spe)
-{
-        unsigned int *id;
-        struct device_node *cpu;
-        cpu = spe->parent->parent;
-        id = (unsigned int *)get_property(cpu, "node-id", NULL);
-        return id ? *id : 0;
-}
 static int __init create_spu(struct device_node *spe)
 {
        struct spu *spu;
@@ -624,6 +665,10 @@ static int __init create_spu(struct device_node *spe)
                goto out_free;
        spu->node = find_spu_node_id(spe);
+        spu->nid = of_node_to_nid(spe);
+        if (spu->nid == -1)
+                spu->nid = 0;
        spu->stop_code = 0;
        spu->slb_replace = 0;
        spu->mm = NULL;
diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c
index a1bda6f96fd1..40020c65c89e 100644
--- a/arch/powerpc/platforms/pseries/eeh_event.c
+++ b/arch/powerpc/platforms/pseries/eeh_event.c
@@ -118,7 +118,15 @@ int eeh_send_failure_event (struct device_node *dn,
 {
        unsigned long flags;
        struct eeh_event *event;
+        char *location;
+        if (!mem_init_done) {
+                printk(KERN_ERR "EEH: event during early boot not handled\n");
+                location = (char *) get_property(dn, "ibm,loc-code", NULL);
+                printk(KERN_ERR "EEH: device node = %s\n", dn->full_name);
+                printk(KERN_ERR "EEH: PCI location = %s\n", location);
+                return 1;
+        }
        event = kmalloc(sizeof(*event), GFP_ATOMIC);
        if (event == NULL) {
                printk (KERN_ERR "EEH: out of memory, event not handled\n");
diff --git a/arch/ppc/platforms/mpc866ads_setup.c b/arch/ppc/platforms/mpc866ads_setup.c
index 6ce3b842defe..d919dab61347 100644
--- a/arch/ppc/platforms/mpc866ads_setup.c
+++ b/arch/ppc/platforms/mpc866ads_setup.c
@@ -378,7 +378,7 @@ int __init mpc866ads_init(void)
        ppc_sys_device_setfunc(MPC8xx_CPM_SMC1, PPC_SYS_FUNC_UART);
 #endif
-#ifdef CONFIG_SERIAL_CPM_SMCer
+#ifdef CONFIG_SERIAL_CPM_SMC
        ppc_sys_device_enable(MPC8xx_CPM_SMC2);
        ppc_sys_device_setfunc(MPC8xx_CPM_SMC2, PPC_SYS_FUNC_UART);
 #endif
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 37dfe33dab73..8f36504075ed 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -734,7 +734,7 @@ asmlinkage void
 syscall_trace(struct pt_regs *regs, int entryexit)
 {
        if (unlikely(current->audit_context) && entryexit)
-                audit_syscall_exit(current, AUDITSC_RESULT(regs->gprs[2]), regs->gprs[2]);
+                audit_syscall_exit(AUDITSC_RESULT(regs->gprs[2]), regs->gprs[2]);
        if (!test_thread_flag(TIF_SYSCALL_TRACE))
                goto out;
@@ -761,8 +761,7 @@ syscall_trace(struct pt_regs *regs, int entryexit)
        }
 out:
        if (unlikely(current->audit_context) && !entryexit)
-                audit_syscall_entry(current, 
+                audit_syscall_entry(test_thread_flag(TIF_31BIT)?AUDIT_ARCH_S390:AUDIT_ARCH_S390X,
-                                    test_thread_flag(TIF_31BIT)?AUDIT_ARCH_S390:AUDIT_ARCH_S390X,
                                    regs->gprs[2], regs->orig_gpr2, regs->gprs[3],
                                    regs->gprs[4], regs->gprs[5]);
 }
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index ae1927e48cfb..d48cfc726b68 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -358,8 +358,9 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
        } else {
                regs->gprs[14] = (unsigned long)
                        frame->retcode | PSW_ADDR_AMODE;
-                err |= __put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
+                if (__put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
-                                  (u16 __user *)(frame->retcode));
+                               (u16 __user *)(frame->retcode)))
+                        goto give_sigsegv;
        }
        /* Set up backchain. */
diff --git a/arch/sparc/kernel/systbls.S b/arch/sparc/kernel/systbls.S
index db8faa75f94d..6e1135cc03b0 100644
--- a/arch/sparc/kernel/systbls.S
+++ b/arch/sparc/kernel/systbls.S
@@ -23,7 +23,7 @@ sys_call_table:
 /*10*/  .long sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys_mknod
 /*15*/  .long sys_chmod, sys_lchown16, sparc_brk, sys_nis_syscall, sys_lseek
 /*20*/  .long sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
-/*25*/  .long sys_time, sys_ptrace, sys_alarm, sys_sigaltstack, sys_pause
+/*25*/  .long sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_pause
 /*30*/  .long sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice
 /*35*/  .long sys_chown, sys_sync, sys_kill, sys_newstat, sys_sendfile
 /*40*/  .long sys_newlstat, sys_dup, sys_pipe, sys_times, sys_getuid
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index 49e6dedd027d..d31975e6d6f6 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -653,7 +653,7 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
                if (unlikely(tstate & (TSTATE_XCARRY | TSTATE_ICARRY)))
                        result = AUDITSC_FAILURE;
-                audit_syscall_exit(current, result, regs->u_regs[UREG_I0]);
+                audit_syscall_exit(result, regs->u_regs[UREG_I0]);
        }
        if (!(current->ptrace & PT_PTRACED))
@@ -677,8 +677,7 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
 out:
        if (unlikely(current->audit_context) && !syscall_exit_p)
-                audit_syscall_entry(current,
+                audit_syscall_entry((test_thread_flag(TIF_32BIT) ?
-                                    (test_thread_flag(TIF_32BIT) ?
                                     AUDIT_ARCH_SPARC :
                                     AUDIT_ARCH_SPARC64),
                                    regs->u_regs[UREG_G1],
diff --git a/arch/sparc64/kernel/sys32.S b/arch/sparc64/kernel/sys32.S
index f9b75760163c..bdf1f4d02e3f 100644
--- a/arch/sparc64/kernel/sys32.S
+++ b/arch/sparc64/kernel/sys32.S
@@ -139,6 +139,7 @@ SIGN3(sys32_ioprio_set, sys_ioprio_set, %o0, %o1, %o2)
 SIGN2(sys32_splice, sys_splice, %o0, %o1)
 SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5)
 SIGN2(sys32_tee, sys_tee, %o0, %o1)
+SIGN1(sys32_vmsplice, compat_sys_vmsplice, %o0)
        .globl          sys32_mmap2
 sys32_mmap2:
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index 62672cd92eca..d4b39cd30310 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -25,7 +25,7 @@ sys_call_table32:
 /*10*/  .word sys_unlink, sunos_execv, sys_chdir, sys32_chown16, sys32_mknod
 /*15*/  .word sys_chmod, sys32_lchown16, sparc_brk, sys32_perfctr, sys32_lseek
 /*20*/  .word sys_getpid, sys_capget, sys_capset, sys32_setuid16, sys32_getuid16
-/*25*/  .word compat_sys_time, sys_ptrace, sys_alarm, sys32_sigaltstack, sys32_pause
+/*25*/  .word sys32_vmsplice, sys_ptrace, sys_alarm, sys32_sigaltstack, sys32_pause
 /*30*/  .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
        .word sys_chown, sys_sync, sys32_kill, compat_sys_newstat, sys32_sendfile
 /*40*/  .word compat_sys_newlstat, sys_dup, sys_pipe, compat_sys_times, sys_getuid
@@ -94,7 +94,7 @@ sys_call_table:
 /*10*/  .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod
 /*15*/  .word sys_chmod, sys_lchown, sparc_brk, sys_perfctr, sys_lseek
 /*20*/  .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid
-/*25*/  .word sys_nis_syscall, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
+/*25*/  .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
 /*30*/  .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice
        .word sys_nis_syscall, sys_sync, sys_kill, sys_newstat, sys_sendfile64
 /*40*/  .word sys_newlstat, sys_dup, sys_pipe, sys_times, sys_nis_syscall
diff --git a/arch/sparc64/mm/tlb.c b/arch/sparc64/mm/tlb.c
index a079cf42505e..3f10fc921b00 100644
--- a/arch/sparc64/mm/tlb.c
+++ b/arch/sparc64/mm/tlb.c
@@ -8,6 +8,7 @@
 #include <linux/percpu.h>
 #include <linux/mm.h>
 #include <linux/swap.h>
+#include <linux/preempt.h>
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
@@ -24,6 +25,8 @@ void flush_tlb_pending(void)
 {
        struct mmu_gather *mp = &__get_cpu_var(mmu_gathers);
+        preempt_disable();
        if (mp->tlb_nr) {
                flush_tsb_user(mp);
@@ -38,6 +41,8 @@ void flush_tlb_pending(void)
                }
                mp->tlb_nr = 0;
        }
+        preempt_enable();
 }
 void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig)
diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index 05fbb20636cb..76e85bbaea55 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -57,20 +57,6 @@ config STATIC_LINK
        chroot, and you disable CONFIG_MODE_TT, you probably want to say Y
        here.
-config HOST_2G_2G
-        bool "2G/2G host address space split"
-        default n
-        depends on MODE_TT
-        help
-        This is needed when the host on which you run has a 2G/2G memory
-        split, instead of the customary 3G/1G.
-        Note that to enable such a host
-        configuration, which makes sense only in some cases, you need special
-        host patches.
-        So, if you do not know what to do here, say 'N'.
 config KERNEL_HALF_GIGS
        int "Kernel address space size (in .5G units)"
        default "1"
diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386
index 85e6a55b3b59..f6eb72d117b9 100644
--- a/arch/um/Kconfig.i386
+++ b/arch/um/Kconfig.i386
@@ -16,6 +16,19 @@ config SEMAPHORE_SLEEPERS
        bool
        default y
+config HOST_2G_2G
+        bool "2G/2G host address space split"
+        default n
+        help
+        This is needed when the host on which you run has a 2G/2G memory
+        split, instead of the customary 3G/1G.
+        Note that to enable such a host
+        configuration, which makes sense only in some cases, you need special
+        host patches.
+        So, if you do not know what to do here, say 'N'.
 config TOP_ADDR
        hex
        default 0xc0000000 if !HOST_2G_2G
@@ -35,11 +48,13 @@ config 3_LEVEL_PGTABLES
 config STUB_CODE
        hex
-        default 0xbfffe000
+        default 0xbfffe000 if !HOST_2G_2G
+        default 0x7fffe000 if HOST_2G_2G
 config STUB_DATA
        hex
-        default 0xbffff000
+        default 0xbffff000 if !HOST_2G_2G
+        default 0x7ffff000 if HOST_2G_2G
 config STUB_START
        hex
diff --git a/arch/um/Makefile b/arch/um/Makefile
index a508e7a02891..f6ad832faf13 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -96,7 +96,8 @@ PHONY += linux
 all: linux
 linux: vmlinux
-        ln -f $< $@
+        @echo '  LINK $@'
+        $(Q)ln -f $< $@
 define archhelp
  echo '* linux         - Binary kernel image (./linux) - for backward'
@@ -117,6 +118,10 @@ prepare: $(ARCH_DIR)/include/kern_constants.h
 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
 LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
+CFLAGS_NO_HARDENING := $(call cc-option, -fno-PIC,) $(call cc-option, -fno-pic,) \
+        $(call cc-option, -fno-stack-protector,) \
+        $(call cc-option, -fno-stack-protector-all,)
 CPP_MODE-$(CONFIG_MODE_TT) := -DMODE_TT
 CONFIG_KERNEL_STACK_ORDER ?= 2
 STACK_SIZE := $(shell echo $$[ 4096 * (1 << $(CONFIG_KERNEL_STACK_ORDER)) ] )
@@ -203,8 +208,8 @@ endef
 $(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h
        $(call filechk,umlconfig)
-$(ARCH_DIR)/user-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.c
+$(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
-        $(CC) $(USER_CFLAGS) -S -o $@ $<
+        $(Q)$(MAKE) $(build)=$(ARCH_DIR)/sys-$(SUBARCH) $@
 define filechk_gen-asm-offsets
        (set -e; \
@@ -219,13 +224,11 @@ define filechk_gen-asm-offsets
         echo ""; )
 endef
-$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/user-offsets.s
+$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
        $(call filechk,gen-asm-offsets)
-CLEAN_FILES += $(ARCH_DIR)/user-offsets.s
 $(ARCH_DIR)/include/kern_constants.h: $(objtree)/$(ARCH_DIR)/include
        @echo '  SYMLINK $@'
-        $(Q) ln -sf ../../../include/asm-um/asm-offsets.h $@
+        $(Q)ln -sf ../../../include/asm-um/asm-offsets.h $@
-export SUBARCH USER_CFLAGS OS
+export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS
diff --git a/arch/um/defconfig b/arch/um/defconfig
index 80d30d19d750..402a74dc5026 100644
--- a/arch/um/defconfig
+++ b/arch/um/defconfig
@@ -1,14 +1,13 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc6-mm1
+# Linux kernel version: 2.6.17-rc3
-# Tue Jun 14 18:22:21 2005
+# Fri Apr 28 09:31:20 2006
 #
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_UML=y
 CONFIG_MMU=y
-CONFIG_UID16=y
-CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_IRQ_RELEASE_METHOD=y
 #
 # UML-specific options
@@ -16,8 +15,50 @@ CONFIG_GENERIC_CALIBRATE_DELAY=y
 # CONFIG_MODE_TT is not set
 # CONFIG_STATIC_LINK is not set
 CONFIG_MODE_SKAS=y
+#
+# Host processor type and features
+#
+# CONFIG_M386 is not set
+# CONFIG_M486 is not set
+# CONFIG_M586 is not set
+# CONFIG_M586TSC is not set
+# CONFIG_M586MMX is not set
+CONFIG_M686=y
+# CONFIG_MPENTIUMII is not set
+# CONFIG_MPENTIUMIII is not set
+# CONFIG_MPENTIUMM is not set
+# CONFIG_MPENTIUM4 is not set
+# CONFIG_MK6 is not set
+# CONFIG_MK7 is not set
+# CONFIG_MK8 is not set
+# CONFIG_MCRUSOE is not set
+# CONFIG_MEFFICEON is not set
+# CONFIG_MWINCHIPC6 is not set
+# CONFIG_MWINCHIP2 is not set
+# CONFIG_MWINCHIP3D is not set
+# CONFIG_MGEODEGX1 is not set
+# CONFIG_MGEODE_LX is not set
+# CONFIG_MCYRIXIII is not set
+# CONFIG_MVIAC3_2 is not set
+# CONFIG_X86_GENERIC is not set
+CONFIG_X86_CMPXCHG=y
+CONFIG_X86_XADD=y
+CONFIG_X86_L1_CACHE_SHIFT=5
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_X86_PPRO_FENCE=y
+CONFIG_X86_WP_WORKS_OK=y
+CONFIG_X86_INVLPG=y
+CONFIG_X86_BSWAP=y
+CONFIG_X86_POPAD_OK=y
+CONFIG_X86_CMPXCHG64=y
+CONFIG_X86_GOOD_APIC=y
+CONFIG_X86_USE_PPRO_CHECKSUM=y
+CONFIG_X86_TSC=y
 CONFIG_UML_X86=y
 # CONFIG_64BIT is not set
+CONFIG_SEMAPHORE_SLEEPERS=y
+# CONFIG_HOST_2G_2G is not set
 CONFIG_TOP_ADDR=0xc0000000
 # CONFIG_3_LEVEL_PGTABLES is not set
 CONFIG_STUB_CODE=0xbfffe000
@@ -25,22 +66,24 @@ CONFIG_STUB_DATA=0xbffff000
 CONFIG_STUB_START=0xbfffe000
 CONFIG_ARCH_HAS_SC_SIGNALS=y
 CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA=y
+CONFIG_GENERIC_HWEIGHT=y
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_LD_SCRIPT_DYN=y
 CONFIG_NET=y
 CONFIG_BINFMT_ELF=y
 CONFIG_BINFMT_MISC=m
 # CONFIG_HOSTFS is not set
+# CONFIG_HPPFS is not set
 CONFIG_MCONSOLE=y
 # CONFIG_MAGIC_SYSRQ is not set
-# CONFIG_HOST_2G_2G is not set
 CONFIG_NEST_LEVEL=0
-CONFIG_KERNEL_HALF_GIGS=1
 # CONFIG_HIGHMEM is not set
 CONFIG_KERNEL_STACK_ORDER=2
 CONFIG_UML_REAL_TIME_CLOCK=y
@@ -49,7 +92,6 @@ CONFIG_UML_REAL_TIME_CLOCK=y
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
@@ -57,6 +99,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 # General setup
 #
 CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -64,26 +107,28 @@ CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-# CONFIG_HOTPLUG is not set
-CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+# CONFIG_RELAY is not set
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_UID16=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
+CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
+CONFIG_SLAB=y
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
 #
 # Loadable module support
@@ -91,18 +136,43 @@ CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
 #
-# Generic Driver Options
+# Block layer
 #
-CONFIG_STANDALONE=y
+# CONFIG_LBD is not set
-CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_FW_LOADER is not set
+# CONFIG_LSF is not set
-# CONFIG_DEBUG_DRIVER is not set
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+#
+# Block devices
+#
+CONFIG_BLK_DEV_UBD=y
+# CONFIG_BLK_DEV_UBD_SYNC is not set
+CONFIG_BLK_DEV_COW_COMMON=y
+# CONFIG_MMAPPER is not set
+CONFIG_BLK_DEV_LOOP=m
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+CONFIG_BLK_DEV_NBD=m
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_ATA_OVER_ETH is not set
 #
 # Character Devices
@@ -127,50 +197,23 @@ CONFIG_UML_SOUND=m
 CONFIG_SOUND=m
 CONFIG_HOSTAUDIO=m
 CONFIG_UML_RANDOM=y
-# CONFIG_MMAPPER is not set
-#
-# Block devices
-#
-CONFIG_BLK_DEV_UBD=y
-CONFIG_BLK_DEV_UBD_SYNC=y
-CONFIG_BLK_DEV_COW_COMMON=y
-CONFIG_BLK_DEV_LOOP=m
-# CONFIG_BLK_DEV_CRYPTOLOOP is not set
-CONFIG_BLK_DEV_NBD=m
-# CONFIG_BLK_DEV_RAM is not set
-CONFIG_BLK_DEV_RAM_COUNT=16
-CONFIG_INITRAMFS_SOURCE=""
-# CONFIG_LBD is not set
-#
-# IO Schedulers
-#
-CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
-CONFIG_IOSCHED_DEADLINE=y
-CONFIG_IOSCHED_CFQ=y
-# CONFIG_ATA_OVER_ETH is not set
-CONFIG_NETDEVICES=y
 #
-# UML Network Devices
+# Generic Driver Options
 #
-CONFIG_UML_NET=y
+CONFIG_STANDALONE=y
-CONFIG_UML_NET_ETHERTAP=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
-CONFIG_UML_NET_TUNTAP=y
+# CONFIG_FW_LOADER is not set
-CONFIG_UML_NET_SLIP=y
+# CONFIG_DEBUG_DRIVER is not set
-CONFIG_UML_NET_DAEMON=y
-CONFIG_UML_NET_MCAST=y
-CONFIG_UML_NET_SLIRP=y
 #
-# Networking support
+# Networking
 #
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
@@ -178,6 +221,7 @@ CONFIG_UNIX=y
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
 # CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
 # CONFIG_IP_PNP is not set
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE is not set
@@ -186,27 +230,31 @@ CONFIG_INET=y
 # CONFIG_INET_AH is not set
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
 # CONFIG_INET_TUNNEL is not set
-CONFIG_IP_TCPDIAG=y
+CONFIG_INET_DIAG=y
-# CONFIG_IP_TCPDIAG_IPV6 is not set
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
-#
-# TCP congestion control
-#
 CONFIG_TCP_CONG_BIC=y
-CONFIG_TCP_CONG_WESTWOOD=y
-CONFIG_TCP_CONG_HTCP=y
-# CONFIG_TCP_CONG_HSTCP is not set
-# CONFIG_TCP_CONG_HYBLA is not set
-# CONFIG_TCP_CONG_VEGAS is not set
-# CONFIG_TCP_CONG_SCALABLE is not set
 # CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETFILTER is not set
 #
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+#
 # SCTP Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP_SCTP is not set
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_VLAN_8021Q is not set
@@ -224,27 +272,47 @@ CONFIG_TCP_CONG_HTCP=y
 # QoS and/or fair queueing
 #
 # CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
 #
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
-# CONFIG_KGDBOE is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NETPOLL_RX is not set
-# CONFIG_NETPOLL_TRAP is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_IEEE80211 is not set
+#
+# UML Network Devices
+#
+CONFIG_UML_NET=y
+CONFIG_UML_NET_ETHERTAP=y
+CONFIG_UML_NET_TUNTAP=y
+CONFIG_UML_NET_SLIP=y
+CONFIG_UML_NET_DAEMON=y
+CONFIG_UML_NET_MCAST=y
+# CONFIG_UML_NET_PCAP is not set
+CONFIG_UML_NET_SLIRP=y
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
 CONFIG_DUMMY=m
 # CONFIG_BONDING is not set
 # CONFIG_EQUALIZER is not set
 CONFIG_TUN=m
 #
+# PHY device support
+#
+#
+# Wireless LAN (non-hamradio)
+#
+# CONFIG_NET_RADIO is not set
+#
 # Wan interfaces
 #
 # CONFIG_WAN is not set
@@ -263,6 +331,13 @@ CONFIG_SLIP=m
 # CONFIG_SLIP_MODE_SLIP6 is not set
 # CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
 #
 # File systems
@@ -274,17 +349,14 @@ CONFIG_EXT3_FS=y
 # CONFIG_EXT3_FS_XATTR is not set
 CONFIG_JBD=y
 # CONFIG_JBD_DEBUG is not set
-# CONFIG_REISER4_FS is not set
 CONFIG_REISERFS_FS=y
 # CONFIG_REISERFS_CHECK is not set
 # CONFIG_REISERFS_PROC_INFO is not set
 # CONFIG_REISERFS_FS_XATTR is not set
 # CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
-#
-# XFS support
-#
 # CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
 CONFIG_INOTIFY=y
@@ -295,11 +367,6 @@ CONFIG_QUOTACTL=y
 CONFIG_DNOTIFY=y
 CONFIG_AUTOFS_FS=m
 CONFIG_AUTOFS4_FS=m
-#
-# Caches
-#
-# CONFIG_FSCACHE is not set
 # CONFIG_FUSE_FS is not set
 #
@@ -323,14 +390,10 @@ CONFIG_JOLIET=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_DEVFS_FS is not set
-# CONFIG_DEVPTS_FS_XATTR is not set
 CONFIG_TMPFS=y
-# CONFIG_TMPFS_XATTR is not set
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
-# CONFIG_RELAYFS_FS is not set
 #
 # Miscellaneous filesystems
@@ -430,6 +493,7 @@ CONFIG_NLS_DEFAULT="iso8859-1"
 # Library routines
 #
 # CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
 CONFIG_CRC32=m
 # CONFIG_LIBCRC32C is not set
@@ -448,12 +512,18 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 CONFIG_DEBUG_SLAB=y
+# CONFIG_DEBUG_SLAB_LEAK is not set
+# CONFIG_DEBUG_MUTEXES is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_FS is not set
+# CONFIG_DEBUG_VM is not set
 CONFIG_FRAME_POINTER=y
+# CONFIG_UNWIND_INFO is not set
+CONFIG_FORCED_INLINING=y
+# CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_GPROF is not set
 # CONFIG_GCOV is not set
 # CONFIG_SYSCALL_DEBUG is not set
diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
index 6ab852bfcd3a..0ec4052db9c5 100644
--- a/arch/um/drivers/cow_user.c
+++ b/arch/um/drivers/cow_user.c
@@ -100,7 +100,7 @@ struct cow_header_v3_broken {
        __u32 alignment;
        __u32 cow_format;
        char backing_file[PATH_LEN_V3];
-} __attribute__((packed));
+};
 /* COW format definitions - for now, we have only the usual COW bitmap */
 #define COW_BITMAP 0
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index c39ea3abeda4..2ffda012385e 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -89,16 +89,18 @@ void sigio_handler(int sig, union uml_pt_regs *regs)
        struct irq_fd *irq_fd;
        int n;
-        if(smp_sigio_handler()) return;
+        if (smp_sigio_handler())
-        while(1){
+                return;
+        while (1) {
                n = os_waiting_for_events(active_fds);
                if (n <= 0) {
                        if(n == -EINTR) continue;
                        else break;
                }
-                for(irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next){
+                for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) {
-                        if(irq_fd->current_events != 0){
+                        if (irq_fd->current_events != 0) {
                                irq_fd->current_events = 0;
                                do_IRQ(irq_fd->irq, regs);
                        }
@@ -110,19 +112,17 @@ void sigio_handler(int sig, union uml_pt_regs *regs)
 static void maybe_sigio_broken(int fd, int type)
 {
-        if(os_isatty(fd)){
+        if (os_isatty(fd)) {
-                if((type == IRQ_WRITE) && !pty_output_sigio){
+                if ((type == IRQ_WRITE) && !pty_output_sigio) {
                        write_sigio_workaround();
                        add_sigio_fd(fd, 0);
-                }
+                } else if ((type == IRQ_READ) && !pty_close_sigio) {
-                else if((type == IRQ_READ) && !pty_close_sigio){
                        write_sigio_workaround();
                        add_sigio_fd(fd, 1);
                }
        }
 }
 int activate_fd(int irq, int fd, int type, void *dev_id)
 {
        struct pollfd *tmp_pfd;
@@ -132,16 +132,18 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
        pid = os_getpid();
        err = os_set_fd_async(fd, pid);
-        if(err < 0)
+        if (err < 0)
                goto out;
        new_fd = um_kmalloc(sizeof(*new_fd));
        err = -ENOMEM;
-        if(new_fd == NULL)
+        if (new_fd == NULL)
                goto out;
-        if(type == IRQ_READ) events = UM_POLLIN | UM_POLLPRI;
+        if (type == IRQ_READ)
-        else events = UM_POLLOUT;
+                events = UM_POLLIN | UM_POLLPRI;
+        else
+                events = UM_POLLOUT;
        *new_fd = ((struct irq_fd) { .next              = NULL,
                                     .id                = dev_id,
                                     .fd                = fd,
@@ -165,8 +167,8 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
         * a semaphore.
         */
        flags = irq_lock();
-        for(irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next){
+        for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) {
-                if((irq_fd->fd == fd) && (irq_fd->type == type)){
+                if ((irq_fd->fd == fd) && (irq_fd->type == type)) {
                        printk("Registering fd %d twice\n", fd);
                        printk("Irqs : %d, %d\n", irq_fd->irq, irq);
                        printk("Ids : 0x%p, 0x%p\n", irq_fd->id, dev_id);
@@ -175,13 +177,13 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
        }
        /*-------------*/
-        if(type == IRQ_WRITE)
+        if (type == IRQ_WRITE)
                fd = -1;
        tmp_pfd = NULL;
        n = 0;
-        while(1){
+        while (1) {
                n = os_create_pollfd(fd, events, tmp_pfd, n);
                if (n == 0)
                        break;
@@ -198,10 +200,8 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
                 * then we free the buffer tmp_fds and try again.
                 */
                irq_unlock(flags);
-                if (tmp_pfd != NULL) {
+                kfree(tmp_pfd);
-                        kfree(tmp_pfd);
+                tmp_pfd = NULL;
-                        tmp_pfd = NULL;
-                }
                tmp_pfd = um_kmalloc(n);
                if (tmp_pfd == NULL)
@@ -249,7 +249,7 @@ static int same_irq_and_dev(struct irq_fd *irq, void *d)
 {
        struct irq_and_dev *data = d;
-        return((irq->irq == data->irq) && (irq->id == data->dev));
+        return ((irq->irq == data->irq) && (irq->id == data->dev));
 }
 void free_irq_by_irq_and_dev(unsigned int irq, void *dev)
@@ -262,7 +262,7 @@ void free_irq_by_irq_and_dev(unsigned int irq, void *dev)
 static int same_fd(struct irq_fd *irq, void *fd)
 {
-        return(irq->fd == *((int *) fd));
+        return (irq->fd == *((int *)fd));
 }
 void free_irq_by_fd(int fd)
@@ -276,16 +276,17 @@ static struct irq_fd *find_irq_by_fd(int fd, int irqnum, int *index_out)
        int i = 0;
        int fdi;
-        for(irq=active_fds; irq != NULL; irq = irq->next){
+        for (irq = active_fds; irq != NULL; irq = irq->next) {
-                if((irq->fd == fd) && (irq->irq == irqnum)) break;
+                if ((irq->fd == fd) && (irq->irq == irqnum))
+                        break;
                i++;
        }
-        if(irq == NULL){
+        if (irq == NULL) {
                printk("find_irq_by_fd doesn't have descriptor %d\n", fd);
                goto out;
        }
        fdi = os_get_pollfd(i);
-        if((fdi != -1) && (fdi != fd)){
+        if ((fdi != -1) && (fdi != fd)) {
                printk("find_irq_by_fd - mismatch between active_fds and "
                       "pollfds, fd %d vs %d, need %d\n", irq->fd,
                       fdi, fd);
@@ -294,7 +295,7 @@ static struct irq_fd *find_irq_by_fd(int fd, int irqnum, int *index_out)
        }
        *index_out = i;
 out:
-        return(irq);
+        return irq;
 }
 void reactivate_fd(int fd, int irqnum)
@@ -305,7 +306,7 @@ void reactivate_fd(int fd, int irqnum)
        flags = irq_lock();
        irq = find_irq_by_fd(fd, irqnum, &i);
-        if(irq == NULL){
+        if (irq == NULL) {
                irq_unlock(flags);
                return;
        }
@@ -326,7 +327,7 @@ void deactivate_fd(int fd, int irqnum)
        flags = irq_lock();
        irq = find_irq_by_fd(fd, irqnum, &i);
-        if(irq == NULL)
+        if (irq == NULL)
                goto out;
        os_set_pollfd(i, -1);
 out:
@@ -338,15 +339,15 @@ int deactivate_all_fds(void)
        struct irq_fd *irq;
        int err;
-        for(irq=active_fds;irq != NULL;irq = irq->next){
+        for (irq = active_fds; irq != NULL; irq = irq->next) {
                err = os_clear_fd_async(irq->fd);
-                if(err)
+                if (err)
-                        return(err);
+                        return err;
        }
        /* If there is a signal already queued, after unblocking ignore it */
        os_set_ioignore();
-        return(0);
+        return 0;
 }
 void forward_interrupts(int pid)
@@ -356,9 +357,9 @@ void forward_interrupts(int pid)
        int err;
        flags = irq_lock();
-        for(irq=active_fds;irq != NULL;irq = irq->next){
+        for (irq = active_fds; irq != NULL; irq = irq->next) {
                err = os_set_owner(irq->fd, pid);
-                if(err < 0){
+                if (err < 0) {
                        /* XXX Just remove the irq rather than
                         * print out an infinite stream of these
                         */
@@ -379,7 +380,7 @@ void forward_interrupts(int pid)
 unsigned int do_IRQ(int irq, union uml_pt_regs *regs)
 {
       irq_enter();
-       __do_IRQ(irq, (struct pt_regs *) regs);
+       __do_IRQ(irq, (struct pt_regs *)regs);
       irq_exit();
       return 1;
 }
@@ -392,12 +393,12 @@ int um_request_irq(unsigned int irq, int fd, int type,
        int err;
        err = request_irq(irq, handler, irqflags, devname, dev_id);
-        if(err)
+        if (err)
-                return(err);
+                return err;
-        if(fd != -1)
+        if (fd != -1)
                err = activate_fd(irq, fd, type, dev_id);
-        return(err);
+        return err;
 }
 EXPORT_SYMBOL(um_request_irq);
 EXPORT_SYMBOL(reactivate_fd);
@@ -409,7 +410,7 @@ unsigned long irq_lock(void)
        unsigned long flags;
        spin_lock_irqsave(&irq_spinlock, flags);
-        return(flags);
+        return flags;
 }
 void irq_unlock(unsigned long flags)
@@ -452,7 +453,7 @@ void __init init_IRQ(void)
        irq_desc[TIMER_IRQ].depth = 1;
        irq_desc[TIMER_IRQ].handler = &SIGVTALRM_irq_type;
        enable_irq(TIMER_IRQ);
-        for(i=1;i<NR_IRQS;i++){
+        for (i = 1; i < NR_IRQS; i++) {
                irq_desc[i].status = IRQ_DISABLED;
                irq_desc[i].action = NULL;
                irq_desc[i].depth = 1;
@@ -467,7 +468,7 @@ int init_aio_irq(int irq, char *name, irqreturn_t (*handler)(int, void *,
        int fds[2], err;
        err = os_pipe(fds, 1, 1);
-        if(err){
+        if (err) {
                printk("init_aio_irq - os_pipe failed, err = %d\n", -err);
                goto out;
        }
@@ -475,7 +476,7 @@ int init_aio_irq(int irq, char *name, irqreturn_t (*handler)(int, void *,
        err = um_request_irq(irq, fds[0], IRQ_READ, handler,
                             SA_INTERRUPT | SA_SAMPLE_RANDOM, name,
                             (void *) (long) fds[0]);
-        if(err){
+        if (err) {
                printk("init_aio_irq - : um_request_irq failed, err = %d\n",
                       err);
                goto out_close;
@@ -488,5 +489,5 @@ int init_aio_irq(int irq, char *name, irqreturn_t (*handler)(int, void *,
        os_close_file(fds[0]);
        os_close_file(fds[1]);
 out:
-        return(err);
+        return err;
 }
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index 0500800df1c1..fc0f0b085ca7 100644
--- a/arch/um/kernel/physmem.c
+++ b/arch/um/kernel/physmem.c
@@ -407,6 +407,8 @@ unsigned long find_iomem(char *driver, unsigned long *len_out)
                        *len_out = region->size;
                        return(region->virt);
                }
+                region = region->next;
        }
        return(0);
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 60d2eda995c1..9a77fb3c269d 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -275,15 +275,13 @@ void syscall_trace(union uml_pt_regs *regs, int entryexit)
        if (unlikely(current->audit_context)) {
                if (!entryexit)
-                        audit_syscall_entry(current,
+                        audit_syscall_entry(HOST_AUDIT_ARCH,
-                                            HOST_AUDIT_ARCH,
                                            UPT_SYSCALL_NR(regs),
                                            UPT_SYSCALL_ARG1(regs),
                                            UPT_SYSCALL_ARG2(regs),
                                            UPT_SYSCALL_ARG3(regs),
                                            UPT_SYSCALL_ARG4(regs));
-                else audit_syscall_exit(current,
+                else audit_syscall_exit(AUDITSC_RESULT(UPT_SYSCALL_RET(regs)),
-                                        AUDITSC_RESULT(UPT_SYSCALL_RET(regs)),
                                        UPT_SYSCALL_RET(regs));
        }
diff --git a/arch/um/kernel/skas/Makefile b/arch/um/kernel/skas/Makefile
index 57181a920d48..ea3a8e409a6e 100644
--- a/arch/um/kernel/skas/Makefile
+++ b/arch/um/kernel/skas/Makefile
@@ -6,9 +6,11 @@
 obj-y := clone.o exec_kern.o mem.o mmu.o process_kern.o \
        syscall.o tlb.o uaccess.o
-USER_OBJS := clone.o
+# clone.o is in the stub, so it can't be built with profiling
+# GCC hardened also auto-enables -fpic, but we need %ebx so it can't work ->
+# disable it
-include arch/um/scripts/Makefile.rules
+CFLAGS_clone.o := $(CFLAGS_NO_HARDENING)
+UNPROFILE_OBJS := clone.o
-# clone.o is in the stub, so it can't be built with profiling
+include arch/um/scripts/Makefile.rules
-$(obj)/clone.o : c_flags = -Wp,-MD,$(depfile) $(call unprofile,$(USER_CFLAGS))
diff --git a/arch/um/kernel/time_kern.c b/arch/um/kernel/time_kern.c
index 3c7626cdba4b..528cf623f8b4 100644
--- a/arch/um/kernel/time_kern.c
+++ b/arch/um/kernel/time_kern.c
@@ -209,4 +209,4 @@ int __init timer_init(void)
        return(0);
 }
-__initcall(timer_init);
+arch_initcall(timer_init);
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index 3bd10deea280..09251338d99e 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -171,7 +171,7 @@ int os_sigio_async(int master, int slave)
        flags = fcntl(master, F_GETFL);
        if(flags < 0)
-                return errno;
+                return -errno;
        if((fcntl(master, F_SETFL, flags | O_NONBLOCK | O_ASYNC) < 0) ||
           (fcntl(master, F_SETOWN, os_getpid()) < 0))
diff --git a/arch/um/os-Linux/irq.c b/arch/um/os-Linux/irq.c
index e599be423da1..3788d4568d33 100644
--- a/arch/um/os-Linux/irq.c
+++ b/arch/um/os-Linux/irq.c
@@ -29,21 +29,21 @@ int os_waiting_for_events(struct irq_fd *active_fds)
        int i, n, err;
        n = poll(pollfds, pollfds_num, 0);
-        if(n < 0){
+        if (n < 0) {
                err = -errno;
-                if(errno != EINTR)
+                if (errno != EINTR)
                        printk("sigio_handler: os_waiting_for_events:"
                               " poll returned %d, errno = %d\n", n, errno);
                return err;
        }
-        if(n == 0)
+        if (n == 0)
                return 0;
        irq_fd = active_fds;
-        for(i = 0; i < pollfds_num; i++){
+        for (i = 0; i < pollfds_num; i++) {
-                if(pollfds[i].revents != 0){
+                if (pollfds[i].revents != 0) {
                        irq_fd->current_events = pollfds[i].revents;
                        pollfds[i].fd = -1;
                }
@@ -54,7 +54,7 @@ int os_waiting_for_events(struct irq_fd *active_fds)
 int os_isatty(int fd)
 {
-        return(isatty(fd));
+        return isatty(fd);
 }
 int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds)
@@ -65,7 +65,7 @@ int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds)
                        return((pollfds_size + 1) * sizeof(pollfds[0]));
                }
-                if(pollfds != NULL){
+                if (pollfds != NULL) {
                        memcpy(tmp_pfd, pollfds,
                               sizeof(pollfds[0]) * pollfds_size);
                        /* remove old pollfds */
@@ -73,18 +73,15 @@ int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds)
                }
                pollfds = tmp_pfd;
                pollfds_size++;
-        } else {
+        } else
-                /* remove not used tmp_pfd */
+                kfree(tmp_pfd); /* remove not used tmp_pfd */
-                if (tmp_pfd != NULL)
-                        kfree(tmp_pfd);
-        }
-        pollfds[pollfds_num] = ((struct pollfd) { .fd   = fd,
+        pollfds[pollfds_num] = ((struct pollfd) { .fd           = fd,
-                                                  .events       = events,
+                                                  .events       = events,
-                                                  .revents      = 0 });
+                                                  .revents      = 0 });
        pollfds_num++;
-        return(0);
+        return 0;
 }
 void os_free_irq_by_cb(int (*test)(struct irq_fd *, void *), void *arg,
@@ -94,11 +91,11 @@ void os_free_irq_by_cb(int (*test)(struct irq_fd *, void *), void *arg,
        int i = 0;
        prev = &active_fds;
-        while(*prev != NULL){
+        while (*prev != NULL) {
-                if((*test)(*prev, arg)){
+                if ((*test)(*prev, arg)) {
                        struct irq_fd *old_fd = *prev;
-                        if((pollfds[i].fd != -1) &&
+                        if ((pollfds[i].fd != -1) &&
-                           (pollfds[i].fd != (*prev)->fd)){
+                            (pollfds[i].fd != (*prev)->fd)) {
                                printk("os_free_irq_by_cb - mismatch between "
                                       "active_fds and pollfds, fd %d vs %d\n",
                                       (*prev)->fd, pollfds[i].fd);
@@ -110,7 +107,6 @@ void os_free_irq_by_cb(int (*test)(struct irq_fd *, void *), void *arg,
                        /* This moves the *whole* array after pollfds[i]
                         * (though it doesn't spot as such)!
                         */
                        memmove(&pollfds[i], &pollfds[i + 1],
                               (pollfds_num - i) * sizeof(pollfds[0]));
                        if(*last_irq_ptr2 == &old_fd->next)
@@ -129,10 +125,9 @@ void os_free_irq_by_cb(int (*test)(struct irq_fd *, void *), void *arg,
        return;
 }
 int os_get_pollfd(int i)
 {
-        return(pollfds[i].fd);
+        return pollfds[i].fd;
 }
 void os_set_pollfd(int i, int fd)
@@ -151,8 +146,10 @@ void init_irq_signals(int on_sigstack)
        int flags;
        flags = on_sigstack ? SA_ONSTACK : 0;
-        if(timer_irq_inited) h = (__sighandler_t) alarm_handler;
+        if (timer_irq_inited)
-        else h = boot_timer_handler;
+                h = (__sighandler_t)alarm_handler;
+        else
+                h = boot_timer_handler;
        set_handler(SIGVTALRM, h, flags | SA_RESTART,
                    SIGUSR1, SIGIO, SIGWINCH, SIGALRM, -1);
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index 2878e89a674f..3a0ac38e978b 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -74,6 +74,34 @@ static void last_ditch_exit(int sig)
        exit(1);
 }
+#define UML_LIB_PATH    ":/usr/lib/uml"
+static void setup_env_path(void)
+{
+        char *new_path = NULL;
+        char *old_path = NULL;
+        int path_len = 0;
+        old_path = getenv("PATH");
+        /* if no PATH variable is set or it has an empty value
+         * just use the default + /usr/lib/uml
+         */
+        if (!old_path || (path_len = strlen(old_path)) == 0) {
+                putenv("PATH=:/bin:/usr/bin/" UML_LIB_PATH);
+                return;
+        }
+        /* append /usr/lib/uml to the existing path */
+        path_len += strlen("PATH=" UML_LIB_PATH) + 1;
+        new_path = malloc(path_len);
+        if (!new_path) {
+                perror("coudn't malloc to set a new PATH");
+                return;
+        }
+        snprintf(new_path, path_len, "PATH=%s" UML_LIB_PATH, old_path);
+        putenv(new_path);
+}
 extern int uml_exitcode;
 extern void scan_elf_aux( char **envp);
@@ -114,6 +142,8 @@ int main(int argc, char **argv, char **envp)
        set_stklim();
+        setup_env_path();
        new_argv = malloc((argc + 1) * sizeof(char *));
        if(new_argv == NULL){
                perror("Mallocing argv");
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
index 3505f44f8a25..233be2f4f8cb 100644
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -206,29 +206,36 @@ int os_drop_memory(void *addr, int length)
 int can_drop_memory(void)
 {
        void *addr;
-        int fd;
+        int fd, ok = 0;
        printk("Checking host MADV_REMOVE support...");
        fd = create_mem_file(UM_KERN_PAGE_SIZE);
        if(fd < 0){
                printk("Creating test memory file failed, err = %d\n", -fd);
-                return 0;
+                goto out;
        }
        addr = mmap64(NULL, UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE,
                      MAP_SHARED, fd, 0);
        if(addr == MAP_FAILED){
                printk("Mapping test memory file failed, err = %d\n", -errno);
-                return 0;
+                goto out_close;
        }
        if(madvise(addr, UM_KERN_PAGE_SIZE, MADV_REMOVE) != 0){
                printk("MADV_REMOVE failed, err = %d\n", -errno);
-                return 0;
+                goto out_unmap;
        }
        printk("OK\n");
-        return 1;
+        ok = 1;
+out_unmap:
+        munmap(addr, UM_KERN_PAGE_SIZE);
+out_close:
+        close(fd);
+out:
+        return ok;
 }
 void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int))
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 0776bc18ca85..bd89c6b99d5d 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -344,12 +344,12 @@ int copy_context_skas0(unsigned long new_stack, int pid)
        err = ptrace_setregs(pid, regs);
        if(err < 0)
                panic("copy_context_skas0 : PTRACE_SETREGS failed, "
-                      "pid = %d, errno = %d\n", pid, errno);
+                      "pid = %d, errno = %d\n", pid, -err);
        err = ptrace_setfpregs(pid, fp_regs);
        if(err < 0)
                panic("copy_context_skas0 : PTRACE_SETFPREGS failed, "
-                      "pid = %d, errno = %d\n", pid, errno);
+                      "pid = %d, errno = %d\n", pid, -err);
        /* set a well known return code for detection of child write failure */
        child_data->err = 12345678;
@@ -362,7 +362,7 @@ int copy_context_skas0(unsigned long new_stack, int pid)
        pid = data->err;
        if(pid < 0)
                panic("copy_context_skas0 - stub-parent reports error %d\n",
-                      pid);
+                      -pid);
        /* Wait, until child has finished too: read child's result from
         * child's stack and check it.
diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c
index 7a6f6b99ceff..516f66dd87e3 100644
--- a/arch/um/os-Linux/sys-i386/registers.c
+++ b/arch/um/os-Linux/sys-i386/registers.c
@@ -104,7 +104,7 @@ void init_registers(int pid)
        err = ptrace(PTRACE_GETREGS, pid, 0, exec_regs);
        if(err)
                panic("check_ptrace : PTRACE_GETREGS failed, errno = %d",
-                      err);
+                      errno);
        errno = 0;
        err = ptrace(PTRACE_GETFPXREGS, pid, 0, exec_fpx_regs);
@@ -119,7 +119,7 @@ void init_registers(int pid)
        err = ptrace(PTRACE_GETFPREGS, pid, 0, exec_fp_regs);
        if(err)
                panic("check_ptrace : PTRACE_GETFPREGS failed, errno = %d",
-                      err);
+                      errno);
 }
 void get_safe_registers(unsigned long *regs, unsigned long *fp_regs)
diff --git a/arch/um/os-Linux/sys-x86_64/registers.c b/arch/um/os-Linux/sys-x86_64/registers.c
index 001941fa1a1e..becd898d9398 100644
--- a/arch/um/os-Linux/sys-x86_64/registers.c
+++ b/arch/um/os-Linux/sys-x86_64/registers.c
@@ -62,12 +62,12 @@ void init_registers(int pid)
        err = ptrace(PTRACE_GETREGS, pid, 0, exec_regs);
        if(err)
                panic("check_ptrace : PTRACE_GETREGS failed, errno = %d",
-                      err);
+                      errno);
        err = ptrace(PTRACE_GETFPREGS, pid, 0, exec_fp_regs);
        if(err)
                panic("check_ptrace : PTRACE_GETFPREGS failed, errno = %d",
-                      err);
+                      errno);
 }
 void get_safe_registers(unsigned long *regs, unsigned long *fp_regs)
diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
index 34bfc1bb9e38..362db059fe30 100644
--- a/arch/um/os-Linux/umid.c
+++ b/arch/um/os-Linux/umid.c
@@ -178,14 +178,14 @@ static void __init create_pid_file(void)
        fd = open(file, O_RDWR | O_CREAT | O_EXCL, 0644);
        if(fd < 0){
                printk("Open of machine pid file \"%s\" failed: %s\n",
-                       file, strerror(-fd));
+                       file, strerror(errno));
                return;
        }
        snprintf(pid, sizeof(pid), "%d\n", getpid());
        n = write(fd, pid, strlen(pid));
        if(n != strlen(pid))
-                printk("Write of pid file failed - err = %d\n", -n);
+                printk("Write of pid file failed - err = %d\n", errno);
        close(fd);
 }
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
index 2598158e1f53..3f33165ada68 100644
--- a/arch/um/os-Linux/user_syms.c
+++ b/arch/um/os-Linux/user_syms.c
@@ -96,6 +96,13 @@ EXPORT_SYMBOL_PROTO(getuid);
 EXPORT_SYMBOL_PROTO(fsync);
 EXPORT_SYMBOL_PROTO(fdatasync);
+/* Export symbols used by GCC for the stack protector. */
+extern void __stack_smash_handler(void *) __attribute__((weak));
+EXPORT_SYMBOL(__stack_smash_handler);
+extern long __guard __attribute__((weak));
+EXPORT_SYMBOL(__guard);
 /*
 * Overrides for Emacs so that we follow Linus's tabbing style.
 * Emacs will notice this stuff at the end of the file and automatically
diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules
index 5e7a9c310aa5..1347dc6d5218 100644
--- a/arch/um/scripts/Makefile.rules
+++ b/arch/um/scripts/Makefile.rules
@@ -7,11 +7,19 @@ USER_SINGLE_OBJS := \
 USER_OBJS += $(filter %_user.o,$(obj-y) $(obj-m)  $(USER_SINGLE_OBJS))
 USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
-$(USER_OBJS) $(USER_OBJS:.o=.i) $(USER_OBJS:.o=.s) $(USER_OBJS:.o=.lst): \
+$(USER_OBJS:.o=.%): \
-        c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) $(CFLAGS_$(notdir $@))
+        c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) $(CFLAGS_$(*F).o)
 $(USER_OBJS) : CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ \
        -Dunix -D__unix__ -D__$(SUBARCH)__
+# These are like USER_OBJS but filter USER_CFLAGS through unprofile instead of
+# using it directly.
+UNPROFILE_OBJS := $(foreach file,$(UNPROFILE_OBJS),$(obj)/$(file))
+$(UNPROFILE_OBJS:.o=.%): \
+        c_flags = -Wp,-MD,$(depfile) $(call unprofile,$(USER_CFLAGS)) $(CFLAGS_$(*F).o)
+$(UNPROFILE_OBJS) : CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ \
+        -Dunix -D__unix__ -D__$(SUBARCH)__
 # The stubs and unmap.o can't try to call mcount or update basic block data
 define unprofile
diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile
index 98b20b7bba4f..374d61a19439 100644
--- a/arch/um/sys-i386/Makefile
+++ b/arch/um/sys-i386/Makefile
@@ -8,11 +8,16 @@ subarch-obj-y = lib/bitops.o kernel/semaphore.o
 subarch-obj-$(CONFIG_HIGHMEM) += mm/highmem.o
 subarch-obj-$(CONFIG_MODULES) += kernel/module.o
-USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o stub_segv.o
+USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o
-include arch/um/scripts/Makefile.rules
+USER_OBJS += user-offsets.s
+extra-y += user-offsets.s
 extra-$(CONFIG_MODE_TT) += unmap.o
-$(obj)/stub_segv.o $(obj)/unmap.o: \
+UNPROFILE_OBJS := stub_segv.o
-        _c_flags = $(call unprofile,$(CFLAGS))
+CFLAGS_stub_segv.o := $(CFLAGS_NO_HARDENING)
+include arch/um/scripts/Makefile.rules
+$(obj)/unmap.%: _c_flags = $(call unprofile,$(CFLAGS))
diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile
index b5fc22babddf..c19794d435d6 100644
--- a/arch/um/sys-x86_64/Makefile
+++ b/arch/um/sys-x86_64/Makefile
@@ -16,11 +16,16 @@ subarch-obj-$(CONFIG_MODULES) += kernel/module.o
 ldt-y = ../sys-i386/ldt.o
-USER_OBJS := ptrace_user.o sigcontext.o stub_segv.o
+USER_OBJS := ptrace_user.o sigcontext.o
-include arch/um/scripts/Makefile.rules
+USER_OBJS += user-offsets.s
+extra-y += user-offsets.s
 extra-$(CONFIG_MODE_TT) += unmap.o
-$(obj)/stub_segv.o $(obj)/unmap.o: \
+UNPROFILE_OBJS := stub_segv.o
-        _c_flags = $(call unprofile,$(CFLAGS))
+CFLAGS_stub_segv.o := $(CFLAGS_NO_HARDENING)
+include arch/um/scripts/Makefile.rules
+$(obj)/unmap.%: _c_flags = $(call unprofile,$(CFLAGS))
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S
index 57fc37e0fb9c..5a92fed2d1d5 100644
--- a/arch/x86_64/ia32/ia32entry.S
+++ b/arch/x86_64/ia32/ia32entry.S
@@ -695,4 +695,5 @@ ia32_sys_call_table:
        .quad sys_splice
        .quad sys_sync_file_range
        .quad sys_tee
+        .quad compat_sys_vmsplice
 ia32_syscall_end:               
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index da8e7903d817..2d50024c9f30 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -600,12 +600,12 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
        if (unlikely(current->audit_context)) {
                if (test_thread_flag(TIF_IA32)) {
-                        audit_syscall_entry(current, AUDIT_ARCH_I386,
+                        audit_syscall_entry(AUDIT_ARCH_I386,
                                            regs->orig_rax,
                                            regs->rbx, regs->rcx,
                                            regs->rdx, regs->rsi);
                } else {
-                        audit_syscall_entry(current, AUDIT_ARCH_X86_64,
+                        audit_syscall_entry(AUDIT_ARCH_X86_64,
                                            regs->orig_rax,
                                            regs->rdi, regs->rsi,
                                            regs->rdx, regs->r10);
@@ -616,7 +616,7 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
 asmlinkage void syscall_trace_leave(struct pt_regs *regs)
 {
        if (unlikely(current->audit_context))
-                audit_syscall_exit(current, AUDITSC_RESULT(regs->rax), regs->rax);
+                audit_syscall_exit(AUDITSC_RESULT(regs->rax), regs->rax);
        if ((test_thread_flag(TIF_SYSCALL_TRACE)
             || test_thread_flag(TIF_SINGLESTEP))
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 759070c82751..ebc3c33b1c6c 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -1426,3 +1426,22 @@ struct seq_operations cpuinfo_op = {
        .show = show_cpuinfo,
 };
+#ifdef CONFIG_INPUT_PCSPKR
+#include <linux/platform_device.h>
+static __init int add_pcspkr(void)
+{
+        struct platform_device *pd;
+        int ret;
+        pd = platform_device_alloc("pcspkr", -1);
+        if (!pd)
+                return -ENOMEM;
+        ret = platform_device_add(pd);
+        if (ret)
+                platform_device_put(pd);
+        return ret;
+}
+device_initcall(add_pcspkr);
+#endif
diff --git a/block/genhd.c b/block/genhd.c
index 5a8d3bf02f17..d96572589621 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -182,6 +182,7 @@ static int exact_lock(dev_t dev, void *data)
 */
 void add_disk(struct gendisk *disk)
 {
+        get_device(disk->driverfs_dev);
        disk->flags |= GENHD_FL_UP;
        blk_register_region(MKDEV(disk->major, disk->first_minor),
                            disk->minors, NULL, exact_match, exact_lock, disk);
@@ -427,6 +428,7 @@ static struct attribute * default_attrs[] = {
 static void disk_release(struct kobject * kobj)
 {
        struct gendisk *disk = to_disk(kobj);
+        put_device(disk->driverfs_dev);
        kfree(disk->random);
        kfree(disk->part);
        free_disk_stats(disk);
diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
index d3a2bc36129b..588fca542a98 100644
--- a/drivers/char/genrtc.c
+++ b/drivers/char/genrtc.c
@@ -200,13 +200,13 @@ static ssize_t gen_rtc_read(struct file *file, char __user *buf,
        /* first test allows optimizer to nuke this case for 32-bit machines */
        if (sizeof (int) != sizeof (long) && count == sizeof (unsigned int)) {
                unsigned int uidata = data;
-                retval = put_user(uidata, (unsigned long __user *)buf);
+                retval = put_user(uidata, (unsigned int __user *)buf) ?:
+                        sizeof(unsigned int);
        }
        else {
-                retval = put_user(data, (unsigned long __user *)buf);
+                retval = put_user(data, (unsigned long __user *)buf) ?:
+                        sizeof(unsigned long);
        }
-        if (!retval)
-                retval = sizeof(unsigned long);
 out:
        current->state = TASK_RUNNING;
        remove_wait_queue(&gen_rtc_wait, &wait);
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index 66572c5323ad..fce31936e6d7 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -25,6 +25,8 @@
 #include <linux/slab.h>
 #include "edac_mc.h"
+static int force_function_unhide;
 #define e752x_printk(level, fmt, arg...) \
        edac_printk(level, "e752x", fmt, ##arg)
@@ -782,8 +784,16 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
        debugf0("%s(): mci\n", __func__);
        debugf0("Starting Probe1\n");
-        /* enable device 0 function 1 */
+        /* check to see if device 0 function 1 is enabled; if it isn't, we
+         * assume the BIOS has reserved it for a reason and is expecting
+         * exclusive access, we take care not to violate that assumption and
+         * fail the probe. */
        pci_read_config_byte(pdev, E752X_DEVPRES1, &stat8);
+        if (!force_function_unhide && !(stat8 & (1 << 5))) {
+                printk(KERN_INFO "Contact your BIOS vendor to see if the "
+                        "E752x error registers can be safely un-hidden\n");
+                goto fail;
+        }
        stat8 |= (1 << 5);
        pci_write_config_byte(pdev, E752X_DEVPRES1, stat8);
@@ -1063,3 +1073,8 @@ module_exit(e752x_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Linux Networx (http://lnxi.com) Tom Zimmerman\n");
 MODULE_DESCRIPTION("MC support for Intel e752x memory controllers");
+module_param(force_function_unhide, int, 0444);
+MODULE_PARM_DESC(force_function_unhide, "if BIOS sets Dev0:Fun1 up as hidden:"
+" 1=force unhide and hope BIOS doesn't fight driver for Dev0:Fun1 access");
diff --git a/drivers/infiniband/hw/ipath/ipath_debug.h b/drivers/infiniband/hw/ipath/ipath_debug.h
index 593e28969c69..46762387f5f8 100644
--- a/drivers/infiniband/hw/ipath/ipath_debug.h
+++ b/drivers/infiniband/hw/ipath/ipath_debug.h
@@ -60,11 +60,11 @@
 #define __IPATH_KERNEL_SEND 0x2000      /* use kernel mode send */
 #define __IPATH_EPKTDBG     0x4000      /* print ethernet packet data */
 #define __IPATH_SMADBG      0x8000      /* sma packet debug */
-#define __IPATH_IPATHDBG    0x10000     /* Ethernet (IPATH) general debug on */
+#define __IPATH_IPATHDBG    0x10000     /* Ethernet (IPATH) gen debug */
-#define __IPATH_IPATHWARN   0x20000     /* Ethernet (IPATH) warnings on */
+#define __IPATH_IPATHWARN   0x20000     /* Ethernet (IPATH) warnings */
-#define __IPATH_IPATHERR    0x40000     /* Ethernet (IPATH) errors on */
+#define __IPATH_IPATHERR    0x40000     /* Ethernet (IPATH) errors */
-#define __IPATH_IPATHPD     0x80000     /* Ethernet (IPATH) packet dump on */
+#define __IPATH_IPATHPD     0x80000     /* Ethernet (IPATH) packet dump */
-#define __IPATH_IPATHTABLE  0x100000    /* Ethernet (IPATH) table dump on */
+#define __IPATH_IPATHTABLE  0x100000    /* Ethernet (IPATH) table dump */
 #else                           /* _IPATH_DEBUGGING */
@@ -79,11 +79,12 @@
 #define __IPATH_TRSAMPLE  0x0   /* generate trace buffer sample entries */
 #define __IPATH_VERBDBG   0x0   /* very verbose debug */
 #define __IPATH_PKTDBG    0x0   /* print packet data */
-#define __IPATH_PROCDBG   0x0   /* print process startup (init)/exit messages */
+#define __IPATH_PROCDBG   0x0   /* process startup (init)/exit messages */
 /* print mmap/nopage stuff, not using VDBG any more */
 #define __IPATH_MMDBG     0x0
 #define __IPATH_EPKTDBG   0x0   /* print ethernet packet data */
-#define __IPATH_SMADBG    0x0   /* print process startup (init)/exit messages */#define __IPATH_IPATHDBG  0x0   /* Ethernet (IPATH) table dump on */
+#define __IPATH_SMADBG    0x0   /* process startup (init)/exit messages */
+#define __IPATH_IPATHDBG  0x0   /* Ethernet (IPATH) table dump on */
 #define __IPATH_IPATHWARN 0x0   /* Ethernet (IPATH) warnings on   */
 #define __IPATH_IPATHERR  0x0   /* Ethernet (IPATH) errors on   */
 #define __IPATH_IPATHPD   0x0   /* Ethernet (IPATH) packet dump on   */
diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
index 7d3fb6996b41..28ddceb260e8 100644
--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -277,13 +277,14 @@ static int ipath_diag_open(struct inode *in, struct file *fp)
 bail:
        spin_unlock_irqrestore(&ipath_devs_lock, flags);
-        mutex_unlock(&ipath_mutex);
        /* Only expose a way to reset the device if we
           make it into diag mode. */
        if (ret == 0)
                ipath_expose_reset(&dd->pcidev->dev);
+        mutex_unlock(&ipath_mutex);
        return ret;
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index e7617c3982ea..398add4d4cb1 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -418,9 +418,19 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
        ret = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
        if (ret) {
-                dev_info(&pdev->dev, "pci_set_dma_mask unit %u "
+                /*
-                         "fails: %d\n", dd->ipath_unit, ret);
+                 * if the 64 bit setup fails, try 32 bit.  Some systems
-                goto bail_regions;
+                 * do not setup 64 bit maps on systems with 2GB or less
+                 * memory installed.
+                 */
+                ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+                if (ret) {
+                        dev_info(&pdev->dev, "pci_set_dma_mask unit %u "
+                                 "fails: %d\n", dd->ipath_unit, ret);
+                        goto bail_regions;
+                }
+                else
+                        ipath_dbg("No 64bit DMA mask, used 32 bit mask\n");
        }
        pci_set_master(pdev);
@@ -1949,7 +1959,7 @@ int ipath_reset_device(int unit)
        }
        if (dd->ipath_pd)
-                for (i = 1; i < dd->ipath_portcnt; i++) {
+                for (i = 1; i < dd->ipath_cfgports; i++) {
                        if (dd->ipath_pd[i] && dd->ipath_pd[i]->port_cnt) {
                                ipath_dbg("unit %u port %d is in use "
                                          "(PID %u cmd %s), can't reset\n",
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c
index 2823ff9c0c62..16f640e1c16e 100644
--- a/drivers/infiniband/hw/ipath/ipath_init_chip.c
+++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c
@@ -53,13 +53,19 @@ MODULE_PARM_DESC(cfgports, "Set max number of ports to use");
 /*
 * Number of buffers reserved for driver (layered drivers and SMA
- * send).  Reserved at end of buffer list.
+ * send).  Reserved at end of buffer list.   Initialized based on
+ * number of PIO buffers if not set via module interface.
+ * The problem with this is that it's global, but we'll use different
+ * numbers for different chip types.  So the default value is not
+ * very useful.  I've redefined it for the 1.3 release so that it's
+ * zero unless set by the user to something else, in which case we
+ * try to respect it.
 */
-static ushort ipath_kpiobufs = 32;
+static ushort ipath_kpiobufs;
 static int ipath_set_kpiobufs(const char *val, struct kernel_param *kp);
-module_param_call(kpiobufs, ipath_set_kpiobufs, param_get_uint,
+module_param_call(kpiobufs, ipath_set_kpiobufs, param_get_ushort,
                  &ipath_kpiobufs, S_IWUSR | S_IRUGO);
 MODULE_PARM_DESC(kpiobufs, "Set number of PIO buffers for driver");
@@ -531,8 +537,11 @@ static int init_housekeeping(struct ipath_devdata *dd,
         * Don't clear ipath_flags as 8bit mode was set before
         * entering this func. However, we do set the linkstate to
         * unknown, so we can watch for a transition.
+         * PRESENT is set because we want register reads to work,
+         * and the kernel infrastructure saw it in config space;
+         * We clear it if we have failures.
         */
-        dd->ipath_flags |= IPATH_LINKUNK;
+        dd->ipath_flags |= IPATH_LINKUNK | IPATH_PRESENT;
        dd->ipath_flags &= ~(IPATH_LINKACTIVE | IPATH_LINKARMED |
                             IPATH_LINKDOWN | IPATH_LINKINIT);
@@ -560,6 +569,7 @@ static int init_housekeeping(struct ipath_devdata *dd,
            || (dd->ipath_uregbase & 0xffffffff) == 0xffffffff) {
                ipath_dev_err(dd, "Register read failures from chip, "
                              "giving up initialization\n");
+                dd->ipath_flags &= ~IPATH_PRESENT;
                ret = -ENODEV;
                goto done;
        }
@@ -682,16 +692,14 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
         */
        dd->ipath_pioavregs = ALIGN(val, sizeof(u64) * BITS_PER_BYTE / 2)
                / (sizeof(u64) * BITS_PER_BYTE / 2);
-        if (!ipath_kpiobufs)    /* have to have at least 1, for SMA */
+        if (ipath_kpiobufs == 0) {
-                kpiobufs = ipath_kpiobufs = 1;
+                /* not set by user, or set explictly to default  */
-        else if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) <
+                if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) > 128)
-                 (dd->ipath_cfgports * IPATH_MIN_USER_PORT_BUFCNT)) {
+                        kpiobufs = 32;
-                dev_info(&dd->pcidev->dev, "Too few PIO buffers (%u) "
+                else
-                         "for %u ports to have %u each!\n",
+                        kpiobufs = 16;
-                         dd->ipath_piobcnt2k + dd->ipath_piobcnt4k,
+        }
-                         dd->ipath_cfgports, IPATH_MIN_USER_PORT_BUFCNT);
+        else
-                kpiobufs = 1;   /* reserve just the minimum for SMA/ether */
-        } else
                kpiobufs = ipath_kpiobufs;
        if (kpiobufs >
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 0bcb428041f3..3e72a1fe3d73 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -665,14 +665,14 @@ static void handle_layer_pioavail(struct ipath_devdata *dd)
        ret = __ipath_layer_intr(dd, IPATH_LAYER_INT_SEND_CONTINUE);
        if (ret > 0)
-                goto clear;
+                goto set;
        ret = __ipath_verbs_piobufavail(dd);
        if (ret > 0)
-                goto clear;
+                goto set;
        return;
-clear:
+set:
        set_bit(IPATH_S_PIOINTBUFAVAIL, &dd->ipath_sendctrl);
        ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
                         dd->ipath_sendctrl);
@@ -719,11 +719,24 @@ static void handle_rcv(struct ipath_devdata *dd, u32 istat)
 irqreturn_t ipath_intr(int irq, void *data, struct pt_regs *regs)
 {
        struct ipath_devdata *dd = data;
-        u32 istat = ipath_read_kreg32(dd, dd->ipath_kregs->kr_intstatus);
+        u32 istat;
        ipath_err_t estat = 0;
        static unsigned unexpected = 0;
        irqreturn_t ret;
+        if(!(dd->ipath_flags & IPATH_PRESENT)) {
+                /* this is mostly so we don't try to touch the chip while
+                 * it is being reset */
+                /*
+                 * This return value is perhaps odd, but we do not want the
+                 * interrupt core code to remove our interrupt handler
+                 * because we don't appear to be handling an interrupt
+                 * during a chip reset.
+                 */
+                return IRQ_HANDLED;
+        }
+        istat = ipath_read_kreg32(dd, dd->ipath_kregs->kr_intstatus);
        if (unlikely(!istat)) {
                ipath_stats.sps_nullintr++;
                ret = IRQ_NONE; /* not our interrupt, or already handled */
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 0ce5f19c9d62..e6507f8115bc 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -731,7 +731,7 @@ u64 ipath_read_kreg64_port(const struct ipath_devdata *, ipath_kreg,
 static inline u32 ipath_read_ureg32(const struct ipath_devdata *dd,
                                    ipath_ureg regno, int port)
 {
-        if (!dd->ipath_kregbase)
+        if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
                return 0;
        return readl(regno + (u64 __iomem *)
@@ -762,7 +762,7 @@ static inline void ipath_write_ureg(const struct ipath_devdata *dd,
 static inline u32 ipath_read_kreg32(const struct ipath_devdata *dd,
                                    ipath_kreg regno)
 {
-        if (!dd->ipath_kregbase)
+        if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
                return -1;
        return readl((u32 __iomem *) & dd->ipath_kregbase[regno]);
 }
@@ -770,7 +770,7 @@ static inline u32 ipath_read_kreg32(const struct ipath_devdata *dd,
 static inline u64 ipath_read_kreg64(const struct ipath_devdata *dd,
                                    ipath_kreg regno)
 {
-        if (!dd->ipath_kregbase)
+        if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
                return -1;
        return readq(&dd->ipath_kregbase[regno]);
@@ -786,7 +786,7 @@ static inline void ipath_write_kreg(const struct ipath_devdata *dd,
 static inline u64 ipath_read_creg(const struct ipath_devdata *dd,
                                  ipath_sreg regno)
 {
-        if (!dd->ipath_kregbase)
+        if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
                return 0;
        return readq(regno + (u64 __iomem *)
@@ -797,7 +797,7 @@ static inline u64 ipath_read_creg(const struct ipath_devdata *dd,
 static inline u32 ipath_read_creg32(const struct ipath_devdata *dd,
                                         ipath_sreg regno)
 {
-        if (!dd->ipath_kregbase)
+        if (!dd->ipath_kregbase || !(dd->ipath_flags & IPATH_PRESENT))
                return 0;
        return readl(regno + (u64 __iomem *)
                     (dd->ipath_cregbase +
diff --git a/drivers/infiniband/hw/ipath/ipath_layer.c b/drivers/infiniband/hw/ipath/ipath_layer.c
index 69ed1100701a..9cb5258ffed9 100644
--- a/drivers/infiniband/hw/ipath/ipath_layer.c
+++ b/drivers/infiniband/hw/ipath/ipath_layer.c
@@ -46,13 +46,15 @@
 /* Acquire before ipath_devs_lock. */
 static DEFINE_MUTEX(ipath_layer_mutex);
+static int ipath_verbs_registered;
 u16 ipath_layer_rcv_opcode;
 static int (*layer_intr)(void *, u32);
 static int (*layer_rcv)(void *, void *, struct sk_buff *);
 static int (*layer_rcv_lid)(void *, void *);
 static int (*verbs_piobufavail)(void *);
 static void (*verbs_rcv)(void *, void *, void *, u32);
-static int ipath_verbs_registered;
 static void *(*layer_add_one)(int, struct ipath_devdata *);
 static void (*layer_remove_one)(void *);
@@ -586,6 +588,8 @@ void ipath_verbs_unregister(void)
        verbs_rcv = NULL;
        verbs_timer_cb = NULL;
+        ipath_verbs_registered = 0;
        mutex_unlock(&ipath_layer_mutex);
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_pe800.c b/drivers/infiniband/hw/ipath/ipath_pe800.c
index e1dc4f757062..6318067ab5ec 100644
--- a/drivers/infiniband/hw/ipath/ipath_pe800.c
+++ b/drivers/infiniband/hw/ipath/ipath_pe800.c
@@ -972,6 +972,8 @@ static int ipath_setup_pe_reset(struct ipath_devdata *dd)
        /* Use ERROR so it shows up in logs, etc. */
        ipath_dev_err(dd, "Resetting PE-800 unit %u\n",
                      dd->ipath_unit);
+        /* keep chip from being accessed in a few places */
+        dd->ipath_flags &= ~(IPATH_INITTED|IPATH_PRESENT);
        val = dd->ipath_control | INFINIPATH_C_RESET;
        ipath_write_kreg(dd, dd->ipath_kregs->kr_control, val);
        mb();
@@ -997,6 +999,8 @@ static int ipath_setup_pe_reset(struct ipath_devdata *dd)
                if ((r = pci_enable_device(dd->pcidev)))
                        ipath_dev_err(dd, "pci_enable_device failed after "
                                      "reset: %d\n", r);
+                /* whether it worked or not, mark as present, again */
+                dd->ipath_flags |= IPATH_PRESENT;
                val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_revision);
                if (val == dd->ipath_revision) {
                        ipath_cdbg(VERBOSE, "Got matching revision "
diff --git a/drivers/infiniband/hw/ipath/ipath_registers.h b/drivers/infiniband/hw/ipath/ipath_registers.h
index 1e59750c5f63..402126eb79c9 100644
--- a/drivers/infiniband/hw/ipath/ipath_registers.h
+++ b/drivers/infiniband/hw/ipath/ipath_registers.h
@@ -34,8 +34,9 @@
 #define _IPATH_REGISTERS_H
 /*
- * This file should only be included by kernel source, and by the diags.
+ * This file should only be included by kernel source, and by the diags.  It
- * It defines the registers, and their contents, for the InfiniPath HT-400 chip
+ * defines the registers, and their contents, for the InfiniPath HT-400
+ * chip.
 */
 /*
@@ -156,8 +157,10 @@
 #define INFINIPATH_IBCC_FLOWCTRLWATERMARK_SHIFT 8
 #define INFINIPATH_IBCC_LINKINITCMD_MASK 0x3ULL
 #define INFINIPATH_IBCC_LINKINITCMD_DISABLE 1
-#define INFINIPATH_IBCC_LINKINITCMD_POLL 2      /* cycle through TS1/TS2 till OK */
+/* cycle through TS1/TS2 till OK */
-#define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3     /* wait for TS1, then go on */
+#define INFINIPATH_IBCC_LINKINITCMD_POLL 2
+/* wait for TS1, then go on */
+#define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3
 #define INFINIPATH_IBCC_LINKINITCMD_SHIFT 16
 #define INFINIPATH_IBCC_LINKCMD_MASK 0x3ULL
 #define INFINIPATH_IBCC_LINKCMD_INIT 1  /* move to 0x11 */
@@ -182,7 +185,8 @@
 #define INFINIPATH_IBCS_LINKSTATE_SHIFT 4
 #define INFINIPATH_IBCS_TXREADY       0x40000000
 #define INFINIPATH_IBCS_TXCREDITOK    0x80000000
-/* link training states (shift by INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) */
+/* link training states (shift by
+   INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) */
 #define INFINIPATH_IBCS_LT_STATE_DISABLED       0x00
 #define INFINIPATH_IBCS_LT_STATE_LINKUP         0x01
 #define INFINIPATH_IBCS_LT_STATE_POLLACTIVE     0x02
@@ -267,10 +271,12 @@
 /* kr_serdesconfig0 bits */
 #define INFINIPATH_SERDC0_RESET_MASK  0xfULL    /* overal reset bits */
 #define INFINIPATH_SERDC0_RESET_PLL   0x10000000ULL     /* pll reset */
-#define INFINIPATH_SERDC0_TXIDLE      0xF000ULL /* tx idle enables (per lane) */
+/* tx idle enables (per lane) */
-#define INFINIPATH_SERDC0_RXDETECT_EN 0xF0000ULL        /* rx detect enables (per lane) */
+#define INFINIPATH_SERDC0_TXIDLE      0xF000ULL
-#define INFINIPATH_SERDC0_L1PWR_DN       0xF0ULL        /* L1 Power down; use with RXDETECT,
+/* rx detect enables (per lane) */
-                                                           Otherwise not used on IB side */
+#define INFINIPATH_SERDC0_RXDETECT_EN 0xF0000ULL
+/* L1 Power down; use with RXDETECT, Otherwise not used on IB side */
+#define INFINIPATH_SERDC0_L1PWR_DN       0xF0ULL
 /* kr_xgxsconfig bits */
 #define INFINIPATH_XGXS_RESET          0x7ULL
@@ -390,12 +396,13 @@ struct ipath_kregs {
        ipath_kreg kr_txintmemsize;
        ipath_kreg kr_xgxsconfig;
        ipath_kreg kr_ibpllcfg;
-        /* use these two (and the following N ports) only with ipath_k*_kreg64_port();
+        /* use these two (and the following N ports) only with
-         * not *kreg64() */
+         * ipath_k*_kreg64_port(); not *kreg64() */
        ipath_kreg kr_rcvhdraddr;
        ipath_kreg kr_rcvhdrtailaddr;
-        /* remaining registers are not present on all types of infinipath chips  */
+        /* remaining registers are not present on all types of infinipath
+           chips  */
        ipath_kreg kr_rcvpktledcnt;
        ipath_kreg kr_pcierbuftestreg0;
        ipath_kreg kr_pcierbuftestreg1;
diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
index f232e77b78ee..eb81424b3c5b 100644
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
@@ -531,19 +531,12 @@ int ipath_post_rc_send(struct ipath_qp *qp, struct ib_send_wr *wr)
        }
        wqe->wr.num_sge = j;
        qp->s_head = next;
-        /*
-         * Wake up the send tasklet if the QP is not waiting
-         * for an RNR timeout.
-         */
-        next = qp->s_rnr_timeout;
        spin_unlock_irqrestore(&qp->s_lock, flags);
-        if (next == 0) {
+        if (qp->ibqp.qp_type == IB_QPT_UC)
-                if (qp->ibqp.qp_type == IB_QPT_UC)
+                ipath_do_uc_send((unsigned long) qp);
-                        ipath_do_uc_send((unsigned long) qp);
+        else
-                else
+                ipath_do_rc_send((unsigned long) qp);
-                        ipath_do_rc_send((unsigned long) qp);
-        }
        ret = 0;
diff --git a/drivers/infiniband/hw/ipath/ipath_sysfs.c b/drivers/infiniband/hw/ipath/ipath_sysfs.c
index 32acd8048b49..f323791cc495 100644
--- a/drivers/infiniband/hw/ipath/ipath_sysfs.c
+++ b/drivers/infiniband/hw/ipath/ipath_sysfs.c
@@ -711,10 +711,22 @@ static struct attribute_group dev_attr_group = {
 * enters diag mode.  A device reset is quite likely to crash the
 * machine entirely, so we don't want to normally make it
 * available.
+ *
+ * Called with ipath_mutex held.
 */
 int ipath_expose_reset(struct device *dev)
 {
-        return device_create_file(dev, &dev_attr_reset);
+        static int exposed;
+        int ret;
+        if (!exposed) {
+                ret = device_create_file(dev, &dev_attr_reset);
+                exposed = 1;
+        }
+        else
+                ret = 0;
+        return ret;
 }
 int ipath_driver_create_group(struct device_driver *drv)
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index 01cfb30ee160..e606daf83210 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -46,8 +46,10 @@
 * This is called from ipath_post_ud_send() to forward a WQE addressed
 * to the same HCA.
 */
-static void ipath_ud_loopback(struct ipath_qp *sqp, struct ipath_sge_state *ss,
+static void ipath_ud_loopback(struct ipath_qp *sqp,
-                              u32 length, struct ib_send_wr *wr, struct ib_wc *wc)
+                              struct ipath_sge_state *ss,
+                              u32 length, struct ib_send_wr *wr,
+                              struct ib_wc *wc)
 {
        struct ipath_ibdev *dev = to_idev(sqp->ibqp.device);
        struct ipath_qp *qp;
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 8d2558a01f35..cb9e387c301f 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -449,7 +449,6 @@ static void ipath_ib_timer(void *arg)
 {
        struct ipath_ibdev *dev = (struct ipath_ibdev *) arg;
        struct ipath_qp *resend = NULL;
-        struct ipath_qp *rnr = NULL;
        struct list_head *last;
        struct ipath_qp *qp;
        unsigned long flags;
@@ -465,32 +464,18 @@ static void ipath_ib_timer(void *arg)
        last = &dev->pending[dev->pending_index];
        while (!list_empty(last)) {
                qp = list_entry(last->next, struct ipath_qp, timerwait);
-                if (last->next == LIST_POISON1 ||
+                list_del(&qp->timerwait);
-                    last->next != &qp->timerwait ||
+                qp->timer_next = resend;
-                    qp->timerwait.prev != last) {
+                resend = qp;
-                        INIT_LIST_HEAD(last);
+                atomic_inc(&qp->refcount);
-                } else {
-                        list_del(&qp->timerwait);
-                        qp->timerwait.prev = (struct list_head *) resend;
-                        resend = qp;
-                        atomic_inc(&qp->refcount);
-                }
        }
        last = &dev->rnrwait;
        if (!list_empty(last)) {
                qp = list_entry(last->next, struct ipath_qp, timerwait);
                if (--qp->s_rnr_timeout == 0) {
                        do {
-                                if (last->next == LIST_POISON1 ||
-                                    last->next != &qp->timerwait ||
-                                    qp->timerwait.prev != last) {
-                                        INIT_LIST_HEAD(last);
-                                        break;
-                                }
                                list_del(&qp->timerwait);
-                                qp->timerwait.prev =
+                                tasklet_hi_schedule(&qp->s_task);
-                                        (struct list_head *) rnr;
-                                rnr = qp;
                                if (list_empty(last))
                                        break;
                                qp = list_entry(last->next, struct ipath_qp,
@@ -530,8 +515,7 @@ static void ipath_ib_timer(void *arg)
        spin_unlock_irqrestore(&dev->pending_lock, flags);
        /* XXX What if timer fires again while this is running? */
-        for (qp = resend; qp != NULL;
+        for (qp = resend; qp != NULL; qp = qp->timer_next) {
-             qp = (struct ipath_qp *) qp->timerwait.prev) {
                struct ib_wc wc;
                spin_lock_irqsave(&qp->s_lock, flags);
@@ -545,9 +529,6 @@ static void ipath_ib_timer(void *arg)
                if (atomic_dec_and_test(&qp->refcount))
                        wake_up(&qp->wait);
        }
-        for (qp = rnr; qp != NULL;
-             qp = (struct ipath_qp *) qp->timerwait.prev)
-                tasklet_hi_schedule(&qp->s_task);
 }
 /**
@@ -556,9 +537,9 @@ static void ipath_ib_timer(void *arg)
 *
 * This is called from ipath_intr() at interrupt level when a PIO buffer is
 * available after ipath_verbs_send() returned an error that no buffers were
- * available.  Return 0 if we consumed all the PIO buffers and we still have
+ * available.  Return 1 if we consumed all the PIO buffers and we still have
 * QPs waiting for buffers (for now, just do a tasklet_hi_schedule and
- * return one).
+ * return zero).
 */
 static int ipath_ib_piobufavail(void *arg)
 {
@@ -579,7 +560,7 @@ static int ipath_ib_piobufavail(void *arg)
        spin_unlock_irqrestore(&dev->pending_lock, flags);
 bail:
-        return 1;
+        return 0;
 }
 static int ipath_query_device(struct ib_device *ibdev,
@@ -1159,7 +1140,7 @@ static ssize_t show_stats(struct class_device *cdev, char *buf)
        len = sprintf(buf,
                      "RC resends  %d\n"
-                      "RC QACKs    %d\n"
+                      "RC no QACK  %d\n"
                      "RC ACKs     %d\n"
                      "RC SEQ NAKs %d\n"
                      "RC RDMA seq %d\n"
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h
index fcafbc7c9e71..4f8d59300e9b 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h
@@ -282,7 +282,8 @@ struct ipath_srq {
 */
 struct ipath_qp {
        struct ib_qp ibqp;
-        struct ipath_qp *next;  /* link list for QPN hash table */
+        struct ipath_qp *next;          /* link list for QPN hash table */
+        struct ipath_qp *timer_next;    /* link list for ipath_ib_timer() */
        struct list_head piowait;       /* link for wait PIO buf */
        struct list_head timerwait;     /* link for waiting for timeouts */
        struct ib_ah_attr remote_ah_attr;
diff --git a/drivers/infiniband/hw/ipath/ips_common.h b/drivers/infiniband/hw/ipath/ips_common.h
index 410a764dfcef..ab7cbbbfd03a 100644
--- a/drivers/infiniband/hw/ipath/ips_common.h
+++ b/drivers/infiniband/hw/ipath/ips_common.h
@@ -95,7 +95,7 @@ struct ether_header {
        __u8 seq_num;
        __le32 len;
        /* MUST be of word size due to PIO write requirements */
-        __u32 csum;
+        __le32 csum;
        __le16 csum_offset;
        __le16 flags;
        __u16 first_2_bytes;
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 565a24b1756f..a2eae8a30167 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -306,7 +306,7 @@ static int mthca_query_gid(struct ib_device *ibdev, u8 port,
                goto out;
        }
-        memcpy(gid->raw + 8, out_mad->data + (index % 8) * 16, 8);
+        memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
 out:
        kfree(in_mad);
diff --git a/drivers/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c
index 1042987856f7..5013703db0e6 100644
--- a/drivers/input/touchscreen/corgi_ts.c
+++ b/drivers/input/touchscreen/corgi_ts.c
@@ -17,7 +17,7 @@
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <asm/irq.h>
+//#include <asm/irq.h>
 #include <asm/arch/sharpsl.h>
 #include <asm/arch/hardware.h>
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 6081941de1b3..4070eff6f0f8 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -315,10 +315,11 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
                if (r1_bio->bios[mirror] == bio)
                        break;
-        if (error == -ENOTSUPP && test_bit(R1BIO_Barrier, &r1_bio->state)) {
+        if (error == -EOPNOTSUPP && test_bit(R1BIO_Barrier, &r1_bio->state)) {
                set_bit(BarriersNotsupp, &conf->mirrors[mirror].rdev->flags);
                set_bit(R1BIO_BarrierRetry, &r1_bio->state);
                r1_bio->mddev->barriers_work = 0;
+                /* Don't rdev_dec_pending in this branch - keep it for the retry */
        } else {
                /*
                 * this branch is our 'one mirror IO has finished' event handler:
@@ -365,6 +366,7 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
                                }
                        }
                }
+                rdev_dec_pending(conf->mirrors[mirror].rdev, conf->mddev);
        }
        /*
         *
@@ -374,11 +376,9 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
        if (atomic_dec_and_test(&r1_bio->remaining)) {
                if (test_bit(R1BIO_BarrierRetry, &r1_bio->state)) {
                        reschedule_retry(r1_bio);
-                        /* Don't dec_pending yet, we want to hold
-                         * the reference over the retry
-                         */
                        goto out;
                }
+                /* it really is the end of this request */
                if (test_bit(R1BIO_BehindIO, &r1_bio->state)) {
                        /* free extra copy of the data pages */
                        int i = bio->bi_vcnt;
@@ -393,8 +393,6 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
                md_write_end(r1_bio->mddev);
                raid_end_bio_io(r1_bio);
        }
-        rdev_dec_pending(conf->mirrors[mirror].rdev, conf->mddev);
 out:
        if (to_put)
                bio_put(to_put);
@@ -753,18 +751,24 @@ static int make_request(request_queue_t *q, struct bio * bio)
        const int rw = bio_data_dir(bio);
        int do_barriers;
-        if (unlikely(!mddev->barriers_work && bio_barrier(bio))) {
-                bio_endio(bio, bio->bi_size, -EOPNOTSUPP);
-                return 0;
-        }
        /*
         * Register the new request and wait if the reconstruction
         * thread has put up a bar for new requests.
         * Continue immediately if no resync is active currently.
+         * We test barriers_work *after* md_write_start as md_write_start
+         * may cause the first superblock write, and that will check out
+         * if barriers work.
         */
        md_write_start(mddev, bio); /* wait on superblock update early */
+        if (unlikely(!mddev->barriers_work && bio_barrier(bio))) {
+                if (rw == WRITE)
+                        md_write_end(mddev);
+                bio_endio(bio, bio->bi_size, -EOPNOTSUPP);
+                return 0;
+        }
        wait_barrier(conf);
        disk_stat_inc(mddev->gendisk, ios[rw]);
@@ -1404,10 +1408,11 @@ static void raid1d(mddev_t *mddev)
                        unplug = 1;
                } else if (test_bit(R1BIO_BarrierRetry, &r1_bio->state)) {
                        /* some requests in the r1bio were BIO_RW_BARRIER
-                         * requests which failed with -ENOTSUPP.  Hohumm..
+                         * requests which failed with -EOPNOTSUPP.  Hohumm..
                         * Better resubmit without the barrier.
                         * We know which devices to resubmit for, because
                         * all others have had their bios[] entry cleared.
+                         * We already have a nr_pending reference on these rdevs.
                         */
                        int i;
                        clear_bit(R1BIO_BarrierRetry, &r1_bio->state);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 617012bc107a..1440935414e6 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1407,43 +1407,54 @@ static void raid10d(mddev_t *mddev)
                                if (s > (PAGE_SIZE>>9))
                                        s = PAGE_SIZE >> 9;
+                                rcu_read_lock();
                                do {
                                        int d = r10_bio->devs[sl].devnum;
-                                        rdev = conf->mirrors[d].rdev;
+                                        rdev = rcu_dereference(conf->mirrors[d].rdev);
                                        if (rdev &&
-                                            test_bit(In_sync, &rdev->flags) &&
+                                            test_bit(In_sync, &rdev->flags)) {
-                                            sync_page_io(rdev->bdev,
+                                                atomic_inc(&rdev->nr_pending);
-                                                         r10_bio->devs[sl].addr +
+                                                rcu_read_unlock();
-                                                         sect + rdev->data_offset,
+                                                success = sync_page_io(rdev->bdev,
-                                                         s<<9,
+                                                                       r10_bio->devs[sl].addr +
-                                                         conf->tmppage, READ))
+                                                                       sect + rdev->data_offset,
-                                                success = 1;
+                                                                       s<<9,
-                                        else {
+                                                                       conf->tmppage, READ);
-                                                sl++;
+                                                rdev_dec_pending(rdev, mddev);
-                                                if (sl == conf->copies)
+                                                rcu_read_lock();
-                                                        sl = 0;
+                                                if (success)
+                                                        break;
                                        }
+                                        sl++;
+                                        if (sl == conf->copies)
+                                                sl = 0;
                                } while (!success && sl != r10_bio->read_slot);
+                                rcu_read_unlock();
                                if (success) {
                                        int start = sl;
                                        /* write it back and re-read */
+                                        rcu_read_lock();
                                        while (sl != r10_bio->read_slot) {
                                                int d;
                                                if (sl==0)
                                                        sl = conf->copies;
                                                sl--;
                                                d = r10_bio->devs[sl].devnum;
-                                                rdev = conf->mirrors[d].rdev;
+                                                rdev = rcu_dereference(conf->mirrors[d].rdev);
-                                                atomic_add(s, &rdev->corrected_errors);
                                                if (rdev &&
                                                    test_bit(In_sync, &rdev->flags)) {
+                                                        atomic_inc(&rdev->nr_pending);
+                                                        rcu_read_unlock();
+                                                        atomic_add(s, &rdev->corrected_errors);
                                                        if (sync_page_io(rdev->bdev,
                                                                         r10_bio->devs[sl].addr +
                                                                         sect + rdev->data_offset,
                                                                         s<<9, conf->tmppage, WRITE) == 0)
                                                                /* Well, this device is dead */
                                                                md_error(mddev, rdev);
+                                                        rdev_dec_pending(rdev, mddev);
+                                                        rcu_read_lock();
                                                }
                                        }
                                        sl = start;
@@ -1453,17 +1464,22 @@ static void raid10d(mddev_t *mddev)
                                                        sl = conf->copies;
                                                sl--;
                                                d = r10_bio->devs[sl].devnum;
-                                                rdev = conf->mirrors[d].rdev;
+                                                rdev = rcu_dereference(conf->mirrors[d].rdev);
                                                if (rdev &&
                                                    test_bit(In_sync, &rdev->flags)) {
+                                                        atomic_inc(&rdev->nr_pending);
+                                                        rcu_read_unlock();
                                                        if (sync_page_io(rdev->bdev,
                                                                         r10_bio->devs[sl].addr +
                                                                         sect + rdev->data_offset,
                                                                         s<<9, conf->tmppage, READ) == 0)
                                                                /* Well, this device is dead */
                                                                md_error(mddev, rdev);
+                                                        rdev_dec_pending(rdev, mddev);
+                                                        rcu_read_lock();
                                                }
                                        }
+                                        rcu_read_unlock();
                                } else {
                                        /* Cannot read from anywhere -- bye bye array */
                                        md_error(mddev, conf->mirrors[r10_bio->devs[r10_bio->read_slot].devnum].rdev);
diff --git a/drivers/mmc/at91_mci.c b/drivers/mmc/at91_mci.c
index 6061c2d101a0..88f0eef9cf33 100644
--- a/drivers/mmc/at91_mci.c
+++ b/drivers/mmc/at91_mci.c
@@ -621,9 +621,6 @@ static void at91_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
        struct at91mci_host *host = mmc_priv(mmc);
        unsigned long at91_master_clock = clk_get_rate(mci_clk);
-        DBG("Clock %uHz, busmode %u, powermode %u, Vdd %u\n",
-                ios->clock, ios->bus_mode, ios->power_mode, ios->vdd);
        if (host)
                host->bus_mode = ios->bus_mode;
        else
diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c
index c0326bbc5f28..914d62b24064 100644
--- a/drivers/mmc/au1xmmc.c
+++ b/drivers/mmc/au1xmmc.c
@@ -720,10 +720,6 @@ static void au1xmmc_set_ios(struct mmc_host* mmc, struct mmc_ios* ios)
 {
        struct au1xmmc_host *host = mmc_priv(mmc);
-        DBG("set_ios (power=%u, clock=%uHz, vdd=%u, mode=%u)\n",
-              host->id, ios->power_mode, ios->clock, ios->vdd,
-              ios->bus_mode);
        if (ios->power_mode == MMC_POWER_OFF)
                au1xmmc_set_power(host, 0);
        else if (ios->power_mode == MMC_POWER_ON) {
diff --git a/drivers/mmc/imxmmc.c b/drivers/mmc/imxmmc.c
index ffb7f55d3467..79358e223f57 100644
--- a/drivers/mmc/imxmmc.c
+++ b/drivers/mmc/imxmmc.c
@@ -102,6 +102,7 @@ struct imxmci_host {
 #define IMXMCI_PEND_CPU_DATA_b  5
 #define IMXMCI_PEND_CARD_XCHG_b 6
 #define IMXMCI_PEND_SET_INIT_b  7
+#define IMXMCI_PEND_STARTED_b   8
 #define IMXMCI_PEND_IRQ_m       (1 << IMXMCI_PEND_IRQ_b)
 #define IMXMCI_PEND_DMA_END_m   (1 << IMXMCI_PEND_DMA_END_b)
@@ -111,6 +112,7 @@ struct imxmci_host {
 #define IMXMCI_PEND_CPU_DATA_m  (1 << IMXMCI_PEND_CPU_DATA_b)
 #define IMXMCI_PEND_CARD_XCHG_m (1 << IMXMCI_PEND_CARD_XCHG_b)
 #define IMXMCI_PEND_SET_INIT_m  (1 << IMXMCI_PEND_SET_INIT_b)
+#define IMXMCI_PEND_STARTED_m   (1 << IMXMCI_PEND_STARTED_b)
 static void imxmci_stop_clock(struct imxmci_host *host)
 {
@@ -131,23 +133,52 @@ static void imxmci_stop_clock(struct imxmci_host *host)
        dev_dbg(mmc_dev(host->mmc), "imxmci_stop_clock blocked, no luck\n");
 }
-static void imxmci_start_clock(struct imxmci_host *host)
+static int imxmci_start_clock(struct imxmci_host *host)
 {
-        int i = 0;
+        unsigned int trials = 0;
+        unsigned int delay_limit = 128;
+        unsigned long flags;
        MMC_STR_STP_CLK &= ~STR_STP_CLK_STOP_CLK;
-        while(i < 0x1000) {
-                if(!(i & 0x7f))
-                        MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
-                if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN) {
+        clear_bit(IMXMCI_PEND_STARTED_b, &host->pending_events);
-                        /* Check twice before cut */
+        /*
+         * Command start of the clock, this usually succeeds in less
+         * then 6 delay loops, but during card detection (low clockrate)
+         * it takes up to 5000 delay loops and sometimes fails for the first time
+         */
+        MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
+        do {
+                unsigned int delay = delay_limit;
+                while(delay--){
                        if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN)
-                                return;
+                                /* Check twice before cut */
+                                if(MMC_STATUS & STATUS_CARD_BUS_CLK_RUN)
+                                        return 0;
+                        if(test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events))
+                                return 0;
                }
-                i++;
+                local_irq_save(flags);
-        }
+                /*
-        dev_dbg(mmc_dev(host->mmc), "imxmci_start_clock blocked, no luck\n");
+                 * Ensure, that request is not doubled under all possible circumstances.
+                 * It is possible, that cock running state is missed, because some other
+                 * IRQ or schedule delays this function execution and the clocks has
+                 * been already stopped by other means (response processing, SDHC HW)
+                 */
+                if(!test_bit(IMXMCI_PEND_STARTED_b, &host->pending_events))
+                        MMC_STR_STP_CLK |= STR_STP_CLK_START_CLK;
+                local_irq_restore(flags);
+        } while(++trials<256);
+        dev_err(mmc_dev(host->mmc), "imxmci_start_clock blocked, no luck\n");
+        return -1;
 }
 static void imxmci_softreset(void)
@@ -498,7 +529,7 @@ static int imxmci_data_done(struct imxmci_host *host, unsigned int stat)
        data_error = imxmci_finish_data(host, stat);
-        if (host->req->stop && (data_error == MMC_ERR_NONE)) {
+        if (host->req->stop) {
                imxmci_stop_clock(host);
                imxmci_start_cmd(host, host->req->stop, 0);
        } else {
@@ -622,6 +653,7 @@ static irqreturn_t imxmci_irq(int irq, void *devid, struct pt_regs *regs)
        atomic_set(&host->stuck_timeout, 0);
        host->status_reg = stat;
        set_bit(IMXMCI_PEND_IRQ_b, &host->pending_events);
+        set_bit(IMXMCI_PEND_STARTED_b, &host->pending_events);
        tasklet_schedule(&host->tasklet);
        return IRQ_RETVAL(handled);;
@@ -775,10 +807,6 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
        struct imxmci_host *host = mmc_priv(mmc);
        int prescaler;
-        dev_dbg(mmc_dev(host->mmc), "clock %u power %u vdd %u width %u\n",
-                ios->clock, ios->power_mode, ios->vdd,
-                (ios->bus_width==MMC_BUS_WIDTH_4)?4:1);
        if( ios->bus_width==MMC_BUS_WIDTH_4 ) {
                host->actual_bus_width = MMC_BUS_WIDTH_4;
                imx_gpio_mode(PB11_PF_SD_DAT3);
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index da6ddd910fc5..1ca2c8b9c9b5 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -59,21 +59,23 @@ static const unsigned int tacc_mant[] = {
 /**
- *      mmc_request_done - finish processing an MMC command
+ *      mmc_request_done - finish processing an MMC request
- *      @host: MMC host which completed command
+ *      @host: MMC host which completed request
- *      @mrq: MMC request which completed
+ *      @mrq: MMC request which request
 *
 *      MMC drivers should call this function when they have completed
- *      their processing of a command.  This should be called before the
+ *      their processing of a request.
- *      data part of the command has completed.
 */
 void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq)
 {
        struct mmc_command *cmd = mrq->cmd;
-        int err = mrq->cmd->error;
+        int err = cmd->error;
-        pr_debug("MMC: req done (%02x): %d: %08x %08x %08x %08x\n",
-                 cmd->opcode, err, cmd->resp[0], cmd->resp[1],
+        pr_debug("%s: req done (CMD%u): %d/%d/%d: %08x %08x %08x %08x\n",
-                 cmd->resp[2], cmd->resp[3]);
+                 mmc_hostname(host), cmd->opcode, err,
+                 mrq->data ? mrq->data->error : 0,
+                 mrq->stop ? mrq->stop->error : 0,
+                 cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]);
        if (err && cmd->retries) {
                cmd->retries--;
@@ -97,8 +99,9 @@ EXPORT_SYMBOL(mmc_request_done);
 void
 mmc_start_request(struct mmc_host *host, struct mmc_request *mrq)
 {
-        pr_debug("MMC: starting cmd %02x arg %08x flags %08x\n",
+        pr_debug("%s: starting CMD%u arg %08x flags %08x\n",
-                 mrq->cmd->opcode, mrq->cmd->arg, mrq->cmd->flags);
+                 mmc_hostname(host), mrq->cmd->opcode,
+                 mrq->cmd->arg, mrq->cmd->flags);
        WARN_ON(host->card_busy == NULL);
@@ -312,6 +315,18 @@ void mmc_release_host(struct mmc_host *host)
 EXPORT_SYMBOL(mmc_release_host);
+static inline void mmc_set_ios(struct mmc_host *host)
+{
+        struct mmc_ios *ios = &host->ios;
+        pr_debug("%s: clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
+                 mmc_hostname(host), ios->clock, ios->bus_mode,
+                 ios->power_mode, ios->chip_select, ios->vdd,
+                 ios->bus_width);
+        
+        host->ops->set_ios(host, ios);
+}
 static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
 {
        int err;
@@ -364,7 +379,7 @@ static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
                }
        }
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
        return MMC_ERR_NONE;
 }
@@ -415,7 +430,7 @@ static u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
                ocr = 3 << bit;
                host->ios.vdd = bit;
-                host->ops->set_ios(host, &host->ios);
+                mmc_set_ios(host);
        } else {
                ocr = 0;
        }
@@ -549,6 +564,7 @@ static void mmc_decode_csd(struct mmc_card *card)
                csd->read_partial = UNSTUFF_BITS(resp, 79, 1);
                csd->write_misalign = UNSTUFF_BITS(resp, 78, 1);
                csd->read_misalign = UNSTUFF_BITS(resp, 77, 1);
+                csd->r2w_factor = UNSTUFF_BITS(resp, 26, 3);
                csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4);
                csd->write_partial = UNSTUFF_BITS(resp, 21, 1);
        } else {
@@ -583,6 +599,7 @@ static void mmc_decode_csd(struct mmc_card *card)
                csd->read_partial = UNSTUFF_BITS(resp, 79, 1);
                csd->write_misalign = UNSTUFF_BITS(resp, 78, 1);
                csd->read_misalign = UNSTUFF_BITS(resp, 77, 1);
+                csd->r2w_factor = UNSTUFF_BITS(resp, 26, 3);
                csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4);
                csd->write_partial = UNSTUFF_BITS(resp, 21, 1);
        }
@@ -666,7 +683,7 @@ static void mmc_idle_cards(struct mmc_host *host)
        struct mmc_command cmd;
        host->ios.chip_select = MMC_CS_HIGH;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
        mmc_delay(1);
@@ -679,7 +696,7 @@ static void mmc_idle_cards(struct mmc_host *host)
        mmc_delay(1);
        host->ios.chip_select = MMC_CS_DONTCARE;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
        mmc_delay(1);
 }
@@ -704,13 +721,13 @@ static void mmc_power_up(struct mmc_host *host)
        host->ios.chip_select = MMC_CS_DONTCARE;
        host->ios.power_mode = MMC_POWER_UP;
        host->ios.bus_width = MMC_BUS_WIDTH_1;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
        mmc_delay(1);
        host->ios.clock = host->f_min;
        host->ios.power_mode = MMC_POWER_ON;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
        mmc_delay(2);
 }
@@ -723,7 +740,7 @@ static void mmc_power_off(struct mmc_host *host)
        host->ios.chip_select = MMC_CS_DONTCARE;
        host->ios.power_mode = MMC_POWER_OFF;
        host->ios.bus_width = MMC_BUS_WIDTH_1;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
 }
 static int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
@@ -971,7 +988,8 @@ static unsigned int mmc_calculate_clock(struct mmc_host *host)
                if (!mmc_card_dead(card) && max_dtr > card->csd.max_dtr)
                        max_dtr = card->csd.max_dtr;
-        pr_debug("MMC: selected %d.%03dMHz transfer rate\n",
+        pr_debug("%s: selected %d.%03dMHz transfer rate\n",
+                 mmc_hostname(host),
                 max_dtr / 1000000, (max_dtr / 1000) % 1000);
        return max_dtr;
@@ -1046,7 +1064,7 @@ static void mmc_setup(struct mmc_host *host)
        } else {
                host->ios.bus_mode = MMC_BUSMODE_OPENDRAIN;
                host->ios.clock = host->f_min;
-                host->ops->set_ios(host, &host->ios);
+                mmc_set_ios(host);
                /*
                 * We should remember the OCR mask from the existing
@@ -1082,7 +1100,7 @@ static void mmc_setup(struct mmc_host *host)
         * Ok, now switch to push-pull mode.
         */
        host->ios.bus_mode = MMC_BUSMODE_PUSHPULL;
-        host->ops->set_ios(host, &host->ios);
+        mmc_set_ios(host);
        mmc_read_csds(host);
@@ -1128,7 +1146,7 @@ static void mmc_rescan(void *data)
                 * attached cards and the host support.
                 */
                host->ios.clock = mmc_calculate_clock(host);
-                host->ops->set_ios(host, &host->ios);
+                mmc_set_ios(host);
        }
        mmc_release_host(host);
diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index 8eb2a2ede64b..06bd1f4cb9b1 100644
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -187,6 +187,12 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                        brq.cmd.opcode = MMC_WRITE_BLOCK;
                        brq.data.flags |= MMC_DATA_WRITE;
                        brq.data.blocks = 1;
+                        /*
+                         * Scale up the timeout by the r2w factor
+                         */
+                        brq.data.timeout_ns <<= card->csd.r2w_factor;
+                        brq.data.timeout_clks <<= card->csd.r2w_factor;
                }
                if (brq.data.blocks > 1) {
diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c
index df7e861e2fc7..da8e4d7339cc 100644
--- a/drivers/mmc/mmci.c
+++ b/drivers/mmc/mmci.c
@@ -402,9 +402,6 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
        struct mmci_host *host = mmc_priv(mmc);
        u32 clk = 0, pwr = 0;
-        DBG(host, "clock %uHz busmode %u powermode %u Vdd %u\n",
-            ios->clock, ios->bus_mode, ios->power_mode, ios->vdd);
        if (ios->clock) {
                if (ios->clock >= host->mclk) {
                        clk = MCI_CLK_BYPASS;
diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c
index eb42cb349420..f97b472085cb 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -198,7 +198,6 @@ static void pxamci_start_cmd(struct pxamci_host *host, struct mmc_command *cmd,
 static void pxamci_finish_request(struct pxamci_host *host, struct mmc_request *mrq)
 {
-        pr_debug("PXAMCI: request done\n");
        host->mrq = NULL;
        host->cmd = NULL;
        host->data = NULL;
@@ -291,7 +290,7 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat)
        pxamci_disable_irq(host, DATA_TRAN_DONE);
        host->data = NULL;
-        if (host->mrq->stop && data->error == MMC_ERR_NONE) {
+        if (host->mrq->stop) {
                pxamci_stop_clock(host);
                pxamci_start_cmd(host, host->mrq->stop, 0);
        } else {
@@ -309,12 +308,10 @@ static irqreturn_t pxamci_irq(int irq, void *devid, struct pt_regs *regs)
        ireg = readl(host->base + MMC_I_REG);
-        pr_debug("PXAMCI: irq %08x\n", ireg);
        if (ireg) {
                unsigned stat = readl(host->base + MMC_STAT);
-                pr_debug("PXAMCI: stat %08x\n", stat);
+                pr_debug("PXAMCI: irq %08x stat %08x\n", ireg, stat);
                if (ireg & END_CMD_RES)
                        handled |= pxamci_cmd_done(host, stat);
@@ -368,10 +365,6 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 {
        struct pxamci_host *host = mmc_priv(mmc);
-        pr_debug("pxamci_set_ios: clock %u power %u vdd %u.%02u\n",
-                 ios->clock, ios->power_mode, ios->vdd / 100,
-                 ios->vdd % 100);
        if (ios->clock) {
                unsigned int clk = CLOCKRATE / ios->clock;
                if (CLOCKRATE / clk > ios->clock)
@@ -397,7 +390,7 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                        host->cmdat |= CMDAT_INIT;
        }
-        pr_debug("pxamci_set_ios: clkrt = %x cmdat = %x\n",
+        pr_debug("PXAMCI: clkrt = %x cmdat = %x\n",
                 host->clkrt, host->cmdat);
 }
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index bdbfca050029..b0053280ff2d 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -570,10 +570,6 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
        spin_lock_irqsave(&host->lock, flags);
-        DBG("clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
-             ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select,
-             ios->vdd, ios->bus_width);
        /*
         * Reset the chip on each power off.
         * Should clear out any weird states.
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index 511f7b0b31d2..39b3d97f891e 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -931,10 +931,6 @@ static void wbsd_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
        struct wbsd_host *host = mmc_priv(mmc);
        u8 clk, setup, pwr;
-        DBGF("clock %uHz busmode %u powermode %u cs %u Vdd %u width %u\n",
-                ios->clock, ios->bus_mode, ios->power_mode, ios->chip_select,
-                ios->vdd, ios->bus_width);
        spin_lock_bh(&host->lock);
        /*
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 9788b1ef2e7d..f7235c9bc421 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -106,6 +106,7 @@
 *      0.51: 20 Jan 2006: Add 64bit consistent memory allocation for rings.
 *      0.52: 20 Jan 2006: Add MSI/MSIX support.
 *      0.53: 19 Mar 2006: Fix init from low power mode and add hw reset.
+ *      0.54: 21 Mar 2006: Fix spin locks for multi irqs and cleanup.
 *
 * Known bugs:
 * We suspect that on some hardware no TX done interrupts are generated.
@@ -117,7 +118,7 @@
 * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
 * superfluous timer interrupts from the nic.
 */
-#define FORCEDETH_VERSION               "0.53"
+#define FORCEDETH_VERSION               "0.54"
 #define DRV_NAME                        "forcedeth"
 #include <linux/module.h>
@@ -710,6 +711,72 @@ static void setup_hw_rings(struct net_device *dev, int rxtx_flags)
        }
 }
+static int using_multi_irqs(struct net_device *dev)
+{
+        struct fe_priv *np = get_nvpriv(dev);
+        if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+            ((np->msi_flags & NV_MSI_X_ENABLED) &&
+             ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1)))
+                return 0;
+        else
+                return 1;
+}
+static void nv_enable_irq(struct net_device *dev)
+{
+        struct fe_priv *np = get_nvpriv(dev);
+        if (!using_multi_irqs(dev)) {
+                if (np->msi_flags & NV_MSI_X_ENABLED)
+                        enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+                else
+                        enable_irq(dev->irq);
+        } else {
+                enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+                enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+                enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+        }
+}
+static void nv_disable_irq(struct net_device *dev)
+{
+        struct fe_priv *np = get_nvpriv(dev);
+        if (!using_multi_irqs(dev)) {
+                if (np->msi_flags & NV_MSI_X_ENABLED)
+                        disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+                else
+                        disable_irq(dev->irq);
+        } else {
+                disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+                disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+                disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+        }
+}
+/* In MSIX mode, a write to irqmask behaves as XOR */
+static void nv_enable_hw_interrupts(struct net_device *dev, u32 mask)
+{
+        u8 __iomem *base = get_hwbase(dev);
+        writel(mask, base + NvRegIrqMask);
+}
+static void nv_disable_hw_interrupts(struct net_device *dev, u32 mask)
+{
+        struct fe_priv *np = get_nvpriv(dev);
+        u8 __iomem *base = get_hwbase(dev);
+        if (np->msi_flags & NV_MSI_X_ENABLED) {
+                writel(mask, base + NvRegIrqMask);
+        } else {
+                if (np->msi_flags & NV_MSI_ENABLED)
+                        writel(0, base + NvRegMSIIrqMask);
+                writel(0, base + NvRegIrqMask);
+        }
+}
 #define MII_READ        (-1)
 /* mii_rw: read/write a register on the PHY.
 *
@@ -1019,24 +1086,25 @@ static void nv_do_rx_refill(unsigned long data)
        struct net_device *dev = (struct net_device *) data;
        struct fe_priv *np = netdev_priv(dev);
+        if (!using_multi_irqs(dev)) {
-        if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+                if (np->msi_flags & NV_MSI_X_ENABLED)
-            ((np->msi_flags & NV_MSI_X_ENABLED) && 
+                        disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
-             ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+                else
-                disable_irq(dev->irq);
+                        disable_irq(dev->irq);
        } else {
                disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
        }
        if (nv_alloc_rx(dev)) {
-                spin_lock(&np->lock);
+                spin_lock_irq(&np->lock);
                if (!np->in_shutdown)
                        mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
-                spin_unlock(&np->lock);
+                spin_unlock_irq(&np->lock);
        }
-        if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+        if (!using_multi_irqs(dev)) {
-            ((np->msi_flags & NV_MSI_X_ENABLED) && 
+                if (np->msi_flags & NV_MSI_X_ENABLED)
-             ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+                        enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
-                enable_irq(dev->irq);
+                else
+                        enable_irq(dev->irq);
        } else {
                enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
        }
@@ -1668,15 +1736,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
                 * guessed, there is probably a simpler approach.
                 * Changing the MTU is a rare event, it shouldn't matter.
                 */
-                if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+                nv_disable_irq(dev);
-                    ((np->msi_flags & NV_MSI_X_ENABLED) && 
-                     ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
-                        disable_irq(dev->irq);
-                } else {
-                        disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
-                        disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
-                        disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
-                }
                spin_lock_bh(&dev->xmit_lock);
                spin_lock(&np->lock);
                /* stop engines */
@@ -1709,15 +1769,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
                nv_start_tx(dev);
                spin_unlock(&np->lock);
                spin_unlock_bh(&dev->xmit_lock);
-                if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+                nv_enable_irq(dev);
-                    ((np->msi_flags & NV_MSI_X_ENABLED) && 
-                     ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
-                        enable_irq(dev->irq);
-                } else {
-                        enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
-                        enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
-                        enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
-                }
        }
        return 0;
 }
@@ -2108,16 +2160,16 @@ static irqreturn_t nv_nic_irq_tx(int foo, void *data, struct pt_regs *regs)
                if (!(events & np->irqmask))
                        break;
-                spin_lock(&np->lock);
+                spin_lock_irq(&np->lock);
                nv_tx_done(dev);
-                spin_unlock(&np->lock);
+                spin_unlock_irq(&np->lock);
                
                if (events & (NVREG_IRQ_TX_ERR)) {
                        dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n",
                                                dev->name, events);
                }
                if (i > max_interrupt_work) {
-                        spin_lock(&np->lock);
+                        spin_lock_irq(&np->lock);
                        /* disable interrupts on the nic */
                        writel(NVREG_IRQ_TX_ALL, base + NvRegIrqMask);
                        pci_push(base);
@@ -2127,7 +2179,7 @@ static irqreturn_t nv_nic_irq_tx(int foo, void *data, struct pt_regs *regs)
                                mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
                        }
                        printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_tx.\n", dev->name, i);
-                        spin_unlock(&np->lock);
+                        spin_unlock_irq(&np->lock);
                        break;
                }
@@ -2157,14 +2209,14 @@ static irqreturn_t nv_nic_irq_rx(int foo, void *data, struct pt_regs *regs)
                
                nv_rx_process(dev);
                if (nv_alloc_rx(dev)) {
-                        spin_lock(&np->lock);
+                        spin_lock_irq(&np->lock);
                        if (!np->in_shutdown)
                                mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
-                        spin_unlock(&np->lock);
+                        spin_unlock_irq(&np->lock);
                }
                
                if (i > max_interrupt_work) {
-                        spin_lock(&np->lock);
+                        spin_lock_irq(&np->lock);
                        /* disable interrupts on the nic */
                        writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask);
                        pci_push(base);
@@ -2174,7 +2226,7 @@ static irqreturn_t nv_nic_irq_rx(int foo, void *data, struct pt_regs *regs)
                                mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
                        }
                        printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_rx.\n", dev->name, i);
-                        spin_unlock(&np->lock);
+                        spin_unlock_irq(&np->lock);
                        break;
                }
@@ -2203,14 +2255,14 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
                        break;
                
                if (events & NVREG_IRQ_LINK) {
-                        spin_lock(&np->lock);
+                        spin_lock_irq(&np->lock);
                        nv_link_irq(dev);
-                        spin_unlock(&np->lock);
+                        spin_unlock_irq(&np->lock);
                }
                if (np->need_linktimer && time_after(jiffies, np->link_timeout)) {
-                        spin_lock(&np->lock);
+                        spin_lock_irq(&np->lock);
                        nv_linkchange(dev);
-                        spin_unlock(&np->lock);
+                        spin_unlock_irq(&np->lock);
                        np->link_timeout = jiffies + LINK_TIMEOUT;
                }
                if (events & (NVREG_IRQ_UNKNOWN)) {
@@ -2218,7 +2270,7 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
                                                dev->name, events);
                }
                if (i > max_interrupt_work) {
-                        spin_lock(&np->lock);
+                        spin_lock_irq(&np->lock);
                        /* disable interrupts on the nic */
                        writel(NVREG_IRQ_OTHER, base + NvRegIrqMask);
                        pci_push(base);
@@ -2228,7 +2280,7 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
                                mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
                        }
                        printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_other.\n", dev->name, i);
-                        spin_unlock(&np->lock);
+                        spin_unlock_irq(&np->lock);
                        break;
                }
@@ -2251,10 +2303,11 @@ static void nv_do_nic_poll(unsigned long data)
         * nv_nic_irq because that may decide to do otherwise
         */
-        if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+        if (!using_multi_irqs(dev)) {
-            ((np->msi_flags & NV_MSI_X_ENABLED) && 
+                if (np->msi_flags & NV_MSI_X_ENABLED)
-             ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+                        disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
-                disable_irq(dev->irq);
+                else
+                        disable_irq(dev->irq);
                mask = np->irqmask;
        } else {
                if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
@@ -2277,11 +2330,12 @@ static void nv_do_nic_poll(unsigned long data)
        writel(mask, base + NvRegIrqMask);
        pci_push(base);
-        if (!(np->msi_flags & NV_MSI_X_ENABLED) || 
+        if (!using_multi_irqs(dev)) {
-            ((np->msi_flags & NV_MSI_X_ENABLED) && 
-             ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
                nv_nic_irq((int) 0, (void *) data, (struct pt_regs *) NULL);
-                enable_irq(dev->irq);
+                if (np->msi_flags & NV_MSI_X_ENABLED)
+                        enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+                else
+                        enable_irq(dev->irq);
        } else {
                if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
                        nv_nic_irq_rx((int) 0, (void *) data, (struct pt_regs *) NULL);
@@ -2628,6 +2682,113 @@ static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask)
        writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1);
 }
+static int nv_request_irq(struct net_device *dev)
+{
+        struct fe_priv *np = get_nvpriv(dev);
+        u8 __iomem *base = get_hwbase(dev);
+        int ret = 1;
+        int i;
+        if (np->msi_flags & NV_MSI_X_CAPABLE) {
+                for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
+                        np->msi_x_entry[i].entry = i;
+                }
+                if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) {
+                        np->msi_flags |= NV_MSI_X_ENABLED;
+                        if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
+                                /* Request irq for rx handling */
+                                if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
+                                        printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
+                                        pci_disable_msix(np->pci_dev);
+                                        np->msi_flags &= ~NV_MSI_X_ENABLED;
+                                        goto out_err;
+                                }
+                                /* Request irq for tx handling */
+                                if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
+                                        printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
+                                        pci_disable_msix(np->pci_dev);
+                                        np->msi_flags &= ~NV_MSI_X_ENABLED;
+                                        goto out_free_rx;
+                                }
+                                /* Request irq for link and timer handling */
+                                if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
+                                        printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
+                                        pci_disable_msix(np->pci_dev);
+                                        np->msi_flags &= ~NV_MSI_X_ENABLED;
+                                        goto out_free_tx;
+                                }
+                                /* map interrupts to their respective vector */
+                                writel(0, base + NvRegMSIXMap0);
+                                writel(0, base + NvRegMSIXMap1);
+                                set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL);
+                                set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL);
+                                set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER);
+                        } else {
+                                /* Request irq for all interrupts */
+                                if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
+                                        printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
+                                        pci_disable_msix(np->pci_dev);
+                                        np->msi_flags &= ~NV_MSI_X_ENABLED;
+                                        goto out_err;
+                                }
+                                /* map interrupts to vector 0 */
+                                writel(0, base + NvRegMSIXMap0);
+                                writel(0, base + NvRegMSIXMap1);
+                        }
+                }
+        }
+        if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
+                if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
+                        np->msi_flags |= NV_MSI_ENABLED;
+                        if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
+                                printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
+                                pci_disable_msi(np->pci_dev);
+                                np->msi_flags &= ~NV_MSI_ENABLED;
+                                goto out_err;
+                        }
+                        /* map interrupts to vector 0 */
+                        writel(0, base + NvRegMSIMap0);
+                        writel(0, base + NvRegMSIMap1);
+                        /* enable msi vector 0 */
+                        writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
+                }
+        }
+        if (ret != 0) {
+                if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0)
+                        goto out_err;
+        }
+        return 0;
+out_free_tx:
+        free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev);
+out_free_rx:
+        free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev);
+out_err:
+        return 1;
+}
+static void nv_free_irq(struct net_device *dev)
+{
+        struct fe_priv *np = get_nvpriv(dev);
+        int i;
+        if (np->msi_flags & NV_MSI_X_ENABLED) {
+                for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
+                        free_irq(np->msi_x_entry[i].vector, dev);
+                }
+                pci_disable_msix(np->pci_dev);
+                np->msi_flags &= ~NV_MSI_X_ENABLED;
+        } else {
+                free_irq(np->pci_dev->irq, dev);
+                if (np->msi_flags & NV_MSI_ENABLED) {
+                        pci_disable_msi(np->pci_dev);
+                        np->msi_flags &= ~NV_MSI_ENABLED;
+                }
+        }
+}
 static int nv_open(struct net_device *dev)
 {
        struct fe_priv *np = netdev_priv(dev);
@@ -2720,12 +2881,16 @@ static int nv_open(struct net_device *dev)
        udelay(10);
        writel(readl(base + NvRegPowerState) | NVREG_POWERSTATE_VALID, base + NvRegPowerState);
-        writel(0, base + NvRegIrqMask);
+        nv_disable_hw_interrupts(dev, np->irqmask);
        pci_push(base);
        writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus);
        writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus);
        pci_push(base);
+        if (nv_request_irq(dev)) {
+                goto out_drain;
+        }
        if (np->msi_flags & NV_MSI_X_CAPABLE) {
                for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
                        np->msi_x_entry[i].entry = i;
@@ -2799,7 +2964,7 @@ static int nv_open(struct net_device *dev)
        }
        /* ask for interrupts */
-        writel(np->irqmask, base + NvRegIrqMask);
+        nv_enable_hw_interrupts(dev, np->irqmask);
        spin_lock_irq(&np->lock);
        writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA);
@@ -2843,7 +3008,6 @@ static int nv_close(struct net_device *dev)
 {
        struct fe_priv *np = netdev_priv(dev);
        u8 __iomem *base;
-        int i;
        spin_lock_irq(&np->lock);
        np->in_shutdown = 1;
@@ -2861,31 +3025,13 @@ static int nv_close(struct net_device *dev)
        /* disable interrupts on the nic or we will lock up */
        base = get_hwbase(dev);
-        if (np->msi_flags & NV_MSI_X_ENABLED) {
+        nv_disable_hw_interrupts(dev, np->irqmask);
-                writel(np->irqmask, base + NvRegIrqMask);
-        } else {
-                if (np->msi_flags & NV_MSI_ENABLED)
-                        writel(0, base + NvRegMSIIrqMask);
-                writel(0, base + NvRegIrqMask);
-        }
        pci_push(base);
        dprintk(KERN_INFO "%s: Irqmask is zero again\n", dev->name);
        spin_unlock_irq(&np->lock);
-        if (np->msi_flags & NV_MSI_X_ENABLED) {
+        nv_free_irq(dev);
-                for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
-                        free_irq(np->msi_x_entry[i].vector, dev);
-                }
-                pci_disable_msix(np->pci_dev);
-                np->msi_flags &= ~NV_MSI_X_ENABLED;
-        } else {
-                free_irq(np->pci_dev->irq, dev);
-                if (np->msi_flags & NV_MSI_ENABLED) {
-                        pci_disable_msi(np->pci_dev);
-                        np->msi_flags &= ~NV_MSI_ENABLED;
-                }
-        }
        drain_ring(dev);
@@ -2974,20 +3120,18 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
        if (id->driver_data & DEV_HAS_HIGH_DMA) {
                /* packet format 3: supports 40-bit addressing */
                np->desc_ver = DESC_VER_3;
+                np->txrxctl_bits = NVREG_TXRXCTL_DESC_3;
                if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) {
                        printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n",
                                        pci_name(pci_dev));
                } else {
-                        if (pci_set_consistent_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
+                        dev->features |= NETIF_F_HIGHDMA;
-                                printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed for device %s.\n",
+                        printk(KERN_INFO "forcedeth: using HIGHDMA\n");
-                                        pci_name(pci_dev));
+                }
-                                goto out_relreg;
+                if (pci_set_consistent_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
-                        } else {
+                        printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed for device %s.\n",
-                                dev->features |= NETIF_F_HIGHDMA;
+                               pci_name(pci_dev));
-                                printk(KERN_INFO "forcedeth: using HIGHDMA\n");
-                        }
                }
-                np->txrxctl_bits = NVREG_TXRXCTL_DESC_3;
        } else if (id->driver_data & DEV_HAS_LARGEDESC) {
                /* packet format 2: supports jumbo frames */
                np->desc_ver = DESC_VER_2;
diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c
index 79a8fbcf5f93..0d5fccc984bb 100644
--- a/drivers/net/hamradio/dmascc.c
+++ b/drivers/net/hamradio/dmascc.c
@@ -582,7 +582,6 @@ static int __init setup_adapter(int card_base, int type, int n)
                INIT_WORK(&priv->rx_work, rx_bh, priv);
                dev->priv = priv;
                sprintf(dev->name, "dmascc%i", 2 * n + i);
-                SET_MODULE_OWNER(dev);
                dev->base_addr = card_base;
                dev->irq = irq;
                dev->open = scc_open;
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 6ace0e914fd1..5927784df3f9 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -1550,7 +1550,6 @@ static unsigned char ax25_nocall[AX25_ADDR_LEN] =
 static void scc_net_setup(struct net_device *dev)
 {
-        SET_MODULE_OWNER(dev);
        dev->tx_queue_len    = 16;      /* should be enough... */
        dev->open            = scc_net_open;
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index fe22479eb202..b49884048caa 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -1098,7 +1098,6 @@ static void yam_setup(struct net_device *dev)
        dev->base_addr = yp->iobase;
        dev->irq = yp->irq;
-        SET_MODULE_OWNER(dev);
        dev->open = yam_open;
        dev->stop = yam_close;
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index ea62a3e7d586..411f4d809c47 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -1419,6 +1419,8 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
        mv643xx_eth_update_pscr(dev, &cmd);
        mv643xx_set_settings(dev, &cmd);
+        SET_MODULE_OWNER(dev);
+        SET_NETDEV_DEV(dev, &pdev->dev);
        err = register_netdev(dev);
        if (err)
                goto out;
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 73e271e59c6a..beeb612be98f 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -69,8 +69,8 @@
 #define DRV_MODULE_NAME         "tg3"
 #define PFX DRV_MODULE_NAME     ": "
-#define DRV_MODULE_VERSION      "3.56"
+#define DRV_MODULE_VERSION      "3.57"
-#define DRV_MODULE_RELDATE      "Apr 1, 2006"
+#define DRV_MODULE_RELDATE      "Apr 28, 2006"
 #define TG3_DEF_MAC_MODE        0
 #define TG3_DEF_RX_MODE         0
@@ -974,6 +974,8 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
        return err;
 }
+static void tg3_link_report(struct tg3 *);
 /* This will reset the tigon3 PHY if there is no valid
 * link unless the FORCE argument is non-zero.
 */
@@ -987,6 +989,11 @@ static int tg3_phy_reset(struct tg3 *tp)
        if (err != 0)
                return -EBUSY;
+        if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
+                netif_carrier_off(tp->dev);
+                tg3_link_report(tp);
+        }
        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
@@ -1023,6 +1030,12 @@ out:
                tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
                tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
        }
+        else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
+                tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
+                tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
+                tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
+                tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
+        }
        /* Set Extended packet length bit (bit 14) on all chips that */
        /* support jumbo frames */
        if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
@@ -3531,7 +3544,7 @@ static irqreturn_t tg3_test_isr(int irq, void *dev_id,
        return IRQ_RETVAL(0);
 }
-static int tg3_init_hw(struct tg3 *);
+static int tg3_init_hw(struct tg3 *, int);
 static int tg3_halt(struct tg3 *, int, int);
 #ifdef CONFIG_NET_POLL_CONTROLLER
@@ -3567,7 +3580,7 @@ static void tg3_reset_task(void *_data)
        tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
        tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
-        tg3_init_hw(tp);
+        tg3_init_hw(tp, 1);
        tg3_netif_start(tp);
@@ -4042,7 +4055,7 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu)
        tg3_set_mtu(dev, tp, new_mtu);
-        tg3_init_hw(tp);
+        tg3_init_hw(tp, 0);
        tg3_netif_start(tp);
@@ -5719,9 +5732,23 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p)
        if (!netif_running(dev))
                return 0;
-        spin_lock_bh(&tp->lock);
+        if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
-        __tg3_set_mac_addr(tp);
+                /* Reset chip so that ASF can re-init any MAC addresses it
-        spin_unlock_bh(&tp->lock);
+                 * needs.
+                 */
+                tg3_netif_stop(tp);
+                tg3_full_lock(tp, 1);
+                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
+                tg3_init_hw(tp, 0);
+                tg3_netif_start(tp);
+                tg3_full_unlock(tp);
+        } else {
+                spin_lock_bh(&tp->lock);
+                __tg3_set_mac_addr(tp);
+                spin_unlock_bh(&tp->lock);
+        }
        return 0;
 }
@@ -5771,7 +5798,7 @@ static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
 }
 /* tp->lock is held. */
-static int tg3_reset_hw(struct tg3 *tp)
+static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
 {
        u32 val, rdmac_mode;
        int i, err, limit;
@@ -5786,7 +5813,7 @@ static int tg3_reset_hw(struct tg3 *tp)
                tg3_abort_hw(tp, 1);
        }
-        if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
+        if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) && reset_phy)
                tg3_phy_reset(tp);
        err = tg3_chip_reset(tp);
@@ -6327,7 +6354,7 @@ static int tg3_reset_hw(struct tg3 *tp)
                tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
        }
-        err = tg3_setup_phy(tp, 1);
+        err = tg3_setup_phy(tp, reset_phy);
        if (err)
                return err;
@@ -6400,7 +6427,7 @@ static int tg3_reset_hw(struct tg3 *tp)
 /* Called at device open time to get the chip ready for
 * packet processing.  Invoked with tp->lock held.
 */
-static int tg3_init_hw(struct tg3 *tp)
+static int tg3_init_hw(struct tg3 *tp, int reset_phy)
 {
        int err;
@@ -6413,7 +6440,7 @@ static int tg3_init_hw(struct tg3 *tp)
        tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
-        err = tg3_reset_hw(tp);
+        err = tg3_reset_hw(tp, reset_phy);
 out:
        return err;
@@ -6683,7 +6710,7 @@ static int tg3_test_msi(struct tg3 *tp)
        tg3_full_lock(tp, 1);
        tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
-        err = tg3_init_hw(tp);
+        err = tg3_init_hw(tp, 1);
        tg3_full_unlock(tp);
@@ -6748,7 +6775,7 @@ static int tg3_open(struct net_device *dev)
        tg3_full_lock(tp, 0);
-        err = tg3_init_hw(tp);
+        err = tg3_init_hw(tp, 1);
        if (err) {
                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
                tg3_free_rings(tp);
@@ -7839,7 +7866,7 @@ static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *e
        if (netif_running(dev)) {
                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
-                tg3_init_hw(tp);
+                tg3_init_hw(tp, 1);
                tg3_netif_start(tp);
        }
@@ -7884,7 +7911,7 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam
        if (netif_running(dev)) {
                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
-                tg3_init_hw(tp);
+                tg3_init_hw(tp, 1);
                tg3_netif_start(tp);
        }
@@ -8522,7 +8549,7 @@ static int tg3_test_loopback(struct tg3 *tp)
        if (!netif_running(tp->dev))
                return TG3_LOOPBACK_FAILED;
-        tg3_reset_hw(tp);
+        tg3_reset_hw(tp, 1);
        if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
                err |= TG3_MAC_LOOPBACK_FAILED;
@@ -8596,7 +8623,7 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
                tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
                if (netif_running(dev)) {
                        tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
-                        tg3_init_hw(tp);
+                        tg3_init_hw(tp, 1);
                        tg3_netif_start(tp);
                }
@@ -9377,7 +9404,7 @@ static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
                if ((page_off == 0) || (i == 0))
                        nvram_cmd |= NVRAM_CMD_FIRST;
-                else if (page_off == (tp->nvram_pagesize - 4))
+                if (page_off == (tp->nvram_pagesize - 4))
                        nvram_cmd |= NVRAM_CMD_LAST;
                if (i == (len - 4))
@@ -10353,10 +10380,13 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
        if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
                tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
-        if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
+        if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
-            (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
+                if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
-            (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787))
+                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
-                tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
+                        tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
+                else
+                        tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
+        }
        tp->coalesce_mode = 0;
        if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
@@ -11569,7 +11599,7 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
                tg3_full_lock(tp, 0);
                tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
-                tg3_init_hw(tp);
+                tg3_init_hw(tp, 1);
                tp->timer.expires = jiffies + tp->timer_offset;
                add_timer(&tp->timer);
@@ -11603,7 +11633,7 @@ static int tg3_resume(struct pci_dev *pdev)
        tg3_full_lock(tp, 0);
        tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
-        tg3_init_hw(tp);
+        tg3_init_hw(tp, 1);
        tp->timer.expires = jiffies + tp->timer_offset;
        add_timer(&tp->timer);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 8c8b987d1250..0e29b885d449 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2215,6 +2215,7 @@ struct tg3 {
 #define TG3_FLG2_HW_TSO_2               0x08000000
 #define TG3_FLG2_HW_TSO                 (TG3_FLG2_HW_TSO_1 | TG3_FLG2_HW_TSO_2)
 #define TG3_FLG2_1SHOT_MSI              0x10000000
+#define TG3_FLG2_PHY_JITTER_BUG         0x20000000
        u32                             split_mode_max_reqs;
 #define SPLIT_MODE_5704_MAX_REQ         3
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index 6a23964c1317..a6dc53b4250d 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -129,6 +129,7 @@
        - Massive clean-up
        - Rewrite PHY, media handling (remove options, full_duplex, backoff)
        - Fix Tx engine race for good
+        - Craig Brind: Zero padded aligned buffers for short packets.
 */
@@ -1326,7 +1327,12 @@ static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev)
                        rp->stats.tx_dropped++;
                        return 0;
                }
+                /* Padding is not copied and so must be redone. */
                skb_copy_and_csum_dev(skb, rp->tx_buf[entry]);
+                if (skb->len < ETH_ZLEN)
+                        memset(rp->tx_buf[entry] + skb->len, 0,
+                               ETH_ZLEN - skb->len);
                rp->tx_skbuff_dma[entry] = 0;
                rp->tx_ring[entry].addr = cpu_to_le32(rp->tx_bufs_dma +
                                                      (rp->tx_buf[entry] -
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index b1e3e6179e56..6c9ad92747fd 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -58,7 +58,7 @@ rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
        unsigned long data;
        ssize_t ret;
-        if (count < sizeof(unsigned long))
+        if (count != sizeof(unsigned int) && count < sizeof(unsigned long))
                return -EINVAL;
        add_wait_queue(&rtc->irq_queue, &wait);
@@ -90,11 +90,16 @@ rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
        if (ret == 0) {
                /* Check for any data updates */
                if (rtc->ops->read_callback)
-                        data = rtc->ops->read_callback(rtc->class_dev.dev, data);
+                        data = rtc->ops->read_callback(rtc->class_dev.dev,
+                                                       data);
-                ret = put_user(data, (unsigned long __user *)buf);
-                if (ret == 0)
+                if (sizeof(int) != sizeof(long) &&
-                        ret = sizeof(unsigned long);
+                    count == sizeof(unsigned int))
+                        ret = put_user(data, (unsigned int __user *)buf) ?:
+                                sizeof(unsigned int);
+                else
+                        ret = put_user(data, (unsigned long __user *)buf) ?:
+                                sizeof(unsigned long);
        }
        return ret;
 }
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index b3c6e7907790..cb14642d97aa 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -8014,7 +8014,6 @@ static int (*qeth_old_arp_constructor) (struct neighbour *);
 static struct neigh_ops arp_direct_ops_template = {
        .family = AF_INET,
-        .destructor = NULL,
        .solicit = NULL,
        .error_report = NULL,
        .output = dev_queue_xmit,
diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index 5ae14803091f..f99e55308b32 100644
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -13,6 +13,7 @@
 #include <linux/sched.h>
 #include <linux/errno.h>
 #include <linux/workqueue.h>
+#include <linux/time.h>
 #include <asm/lowcore.h>
@@ -363,7 +364,7 @@ s390_revalidate_registers(struct mci *mci)
 }
 #define MAX_IPD_COUNT   29
-#define MAX_IPD_TIME    (5 * 60 * 100 * 1000) /* 5 minutes */
+#define MAX_IPD_TIME    (5 * 60 * USEC_PER_SEC) /* 5 minutes */
 /*
 * machine check handler.
diff --git a/drivers/serial/cpm_uart/cpm_uart.h b/drivers/serial/cpm_uart/cpm_uart.h
index aa5eb7ddeda9..3b35cb779539 100644
--- a/drivers/serial/cpm_uart/cpm_uart.h
+++ b/drivers/serial/cpm_uart/cpm_uart.h
@@ -5,6 +5,13 @@
 *
 *  Copyright (C) 2004 Freescale Semiconductor, Inc.
 *
+ *  2006 (c) MontaVista Software, Inc.
+ *      Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ *
 */
 #ifndef CPM_UART_H
 #define CPM_UART_H
@@ -101,12 +108,13 @@ static inline unsigned long cpu2cpm_addr(void* addr, struct uart_cpm_port *pinfo
        int offset;
        u32 val = (u32)addr;
        /* sane check */
-        if ((val >= (u32)pinfo->mem_addr) &&
+        if (likely((val >= (u32)pinfo->mem_addr)) &&
                        (val<((u32)pinfo->mem_addr + pinfo->mem_size))) {
                offset = val - (u32)pinfo->mem_addr;
                return pinfo->dma_addr+offset;
        }
-        printk("%s(): address %x to translate out of range!\n", __FUNCTION__, val);
+        /* something nasty happened */
+        BUG();
        return 0;
 }
@@ -115,12 +123,13 @@ static inline void *cpm2cpu_addr(unsigned long addr, struct uart_cpm_port *pinfo
        int offset;
        u32 val = addr;
        /* sane check */
-        if ((val >= pinfo->dma_addr) &&
+        if (likely((val >= pinfo->dma_addr) &&
-                        (val<(pinfo->dma_addr + pinfo->mem_size))) {
+                        (val<(pinfo->dma_addr + pinfo->mem_size)))) {
                offset = val - (u32)pinfo->dma_addr;
                return (void*)(pinfo->mem_addr+offset);
        }
-        printk("%s(): address %x to translate out of range!\n", __FUNCTION__, val);
+        /* something nasty happened */
+        BUG();
        return 0;
 }
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index ced193bf9e1e..969f94900431 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -12,7 +12,8 @@
 *
 *  Copyright (C) 2004 Freescale Semiconductor, Inc.
 *            (C) 2004 Intracom, S.A.
- *            (C) 2005 MontaVista Software, Inc. by Vitaly Bordug <vbordug@ru.mvista.com>
+ *            (C) 2005-2006 MontaVista Software, Inc.
+ *              Vitaly Bordug <vbordug@ru.mvista.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -81,7 +82,7 @@ early_uart_get_pdev(int index)
 }
-void cpm_uart_count(void)
+static void cpm_uart_count(void)
 {
        cpm_uart_nr = 0;
 #ifdef CONFIG_SERIAL_CPM_SMC1
@@ -104,6 +105,21 @@ void cpm_uart_count(void)
 #endif
 }
+/* Get UART number by its id */
+static int cpm_uart_id2nr(int id)
+{
+        int i;
+        if (id < UART_NR) {
+                for (i=0; i<UART_NR; i++) {
+                        if (cpm_uart_port_map[i] == id)
+                                return i;
+                }
+        }
+        /* not found or invalid argument */
+        return -1;
+}
 /*
 * Check, if transmit buffers are processed
 */
@@ -457,7 +473,11 @@ static void cpm_uart_shutdown(struct uart_port *port)
                }
                /* Shut them really down and reinit buffer descriptors */
-                cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
+                if (IS_SMC(pinfo))
+                        cpm_line_cr_cmd(line, CPM_CR_STOP_TX);
+                else
+                        cpm_line_cr_cmd(line, CPM_CR_GRA_STOP_TX);
                cpm_uart_initbd(pinfo);
        }
 }
@@ -1008,7 +1028,11 @@ int cpm_uart_drv_get_platform_data(struct platform_device *pdev, int is_con)
        int line;
        u32 mem, pram;
-        for (line=0; line<UART_NR && cpm_uart_port_map[line]!=pdata->fs_no; line++);
+        line = cpm_uart_id2nr(idx);
+        if(line < 0) {
+                printk(KERN_ERR"%s(): port %d is not registered", __FUNCTION__, idx);
+                return -1;
+        }
        pinfo = (struct uart_cpm_port *) &cpm_uart_ports[idx];
@@ -1241,8 +1265,7 @@ static int cpm_uart_drv_probe(struct device *dev)
        }
        pdata = pdev->dev.platform_data;
-        pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n",
+        pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n", cpm_uart_id2nr(pdata->fs_no));
-                        cpm_uart_port_map[pdata->fs_no]);
        if ((ret = cpm_uart_drv_get_platform_data(pdev, 0)))
                return ret;
@@ -1261,7 +1284,7 @@ static int cpm_uart_drv_remove(struct device *dev)
        struct fs_uart_platform_info *pdata = pdev->dev.platform_data;
        pr_debug("cpm_uart_drv_remove: Removing CPM UART %d\n",
-                        cpm_uart_port_map[pdata->fs_no]);
+                        cpm_uart_id2nr(pdata->fs_no));
        uart_remove_one_port(&cpm_reg, &cpm_uart_ports[pdata->fs_no].port);
        return 0;
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
index a5a30622637a..17406a05ce1f 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
@@ -8,6 +8,8 @@
 *
 *  Copyright (C) 2004 Freescale Semiconductor, Inc.
 *            (C) 2004 Intracom, S.A.
+ *            (C) 2006 MontaVista Software, Inc.
+ *              Vitaly Bordug <vbordug@ru.mvista.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
index 7c6b07aeea92..4b2de08f46d0 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
@@ -8,6 +8,8 @@
 * 
 *  Copyright (C) 2004 Freescale Semiconductor, Inc.
 *            (C) 2004 Intracom, S.A.
+ *            (C) 2006 MontaVista Software, Inc.
+ *              Vitaly Bordug <vbordug@ru.mvista.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index c3b7a6673e9c..d202eb4f3848 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -45,6 +45,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/hardware.h>
+#include <asm/arch/imx-uart.h>
 /* We've been assigned a range on the "Low-density serial ports" major */
 #define SERIAL_IMX_MAJOR        204
@@ -73,7 +74,8 @@ struct imx_port {
        struct uart_port        port;
        struct timer_list       timer;
        unsigned int            old_status;
-        int txirq,rxirq,rtsirq;
+        int                     txirq,rxirq,rtsirq;
+        int                     have_rtscts:1;
 };
 /*
@@ -491,8 +493,12 @@ imx_set_termios(struct uart_port *port, struct termios *termios,
                ucr2 = UCR2_SRST | UCR2_IRTS;
        if (termios->c_cflag & CRTSCTS) {
-                ucr2 &= ~UCR2_IRTS;
+                if( sport->have_rtscts ) {
-                ucr2 |= UCR2_CTSC;
+                        ucr2 &= ~UCR2_IRTS;
+                        ucr2 |= UCR2_CTSC;
+                } else {
+                        termios->c_cflag &= ~CRTSCTS;
+                }
        }
        if (termios->c_cflag & CSTOPB)
@@ -719,27 +725,6 @@ static void __init imx_init_ports(void)
                imx_ports[i].timer.function = imx_timeout;
                imx_ports[i].timer.data     = (unsigned long)&imx_ports[i];
        }
-        imx_gpio_mode(PC9_PF_UART1_CTS);
-        imx_gpio_mode(PC10_PF_UART1_RTS);
-        imx_gpio_mode(PC11_PF_UART1_TXD);
-        imx_gpio_mode(PC12_PF_UART1_RXD);
-        imx_gpio_mode(PB28_PF_UART2_CTS);
-        imx_gpio_mode(PB29_PF_UART2_RTS);
-        imx_gpio_mode(PB30_PF_UART2_TXD);
-        imx_gpio_mode(PB31_PF_UART2_RXD);
-#if 0 /* We don't need these, on the mx1 the _modem_ side of the uart
-       * is implemented.
-       */
-        imx_gpio_mode(PD7_AF_UART2_DTR);
-        imx_gpio_mode(PD8_AF_UART2_DCD);
-        imx_gpio_mode(PD9_AF_UART2_RI);
-        imx_gpio_mode(PD10_AF_UART2_DSR);
-#endif
 }
 #ifdef CONFIG_SERIAL_IMX_CONSOLE
@@ -932,7 +917,14 @@ static int serial_imx_resume(struct platform_device *dev)
 static int serial_imx_probe(struct platform_device *dev)
 {
+        struct imxuart_platform_data *pdata;
        imx_ports[dev->id].port.dev = &dev->dev;
+        pdata = (struct imxuart_platform_data *)dev->dev.platform_data;
+        if(pdata && (pdata->flags & IMXUART_HAVE_RTSCTS))
+                imx_ports[dev->id].have_rtscts = 1;
        uart_add_one_port(&imx_reg, &imx_ports[dev->id].port);
        platform_set_drvdata(dev, &imx_ports[dev->id]);
        return 0;
diff --git a/drivers/sn/ioc3.c b/drivers/sn/ioc3.c
index 0b49ff78efc1..501316b198e5 100644
--- a/drivers/sn/ioc3.c
+++ b/drivers/sn/ioc3.c
@@ -678,7 +678,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
        /* Track PCI-device specific data */
        pci_set_drvdata(pdev, idd);
        down_write(&ioc3_devices_rwsem);
-        list_add(&idd->list, &ioc3_devices);
+        list_add_tail(&idd->list, &ioc3_devices);
        idd->id = ioc3_counter++;
        up_write(&ioc3_devices_rwsem);
diff --git a/drivers/sn/ioc4.c b/drivers/sn/ioc4.c
index 67140a5804f5..cdeff909403e 100644
--- a/drivers/sn/ioc4.c
+++ b/drivers/sn/ioc4.c
@@ -310,7 +310,7 @@ ioc4_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
        pci_set_drvdata(idd->idd_pdev, idd);
        mutex_lock(&ioc4_mutex);
-        list_add(&idd->idd_list, &ioc4_devices);
+        list_add_tail(&idd->idd_list, &ioc4_devices);
        /* Add this IOC4 to all submodules */
        list_for_each_entry(is, &ioc4_submodules, is_list) {
diff --git a/fs/block_dev.c b/fs/block_dev.c
index af88c43043d5..f5958f413bd1 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1104,6 +1104,8 @@ const struct file_operations def_blk_fops = {
        .readv          = generic_file_readv,
        .writev         = generic_file_write_nolock,
        .sendfile       = generic_file_sendfile,
+        .splice_read    = generic_file_splice_read,
+        .splice_write   = generic_file_splice_write,
 };
 int ioctl_by_bdev(struct block_device *bdev, unsigned cmd, unsigned long arg)
diff --git a/fs/compat.c b/fs/compat.c
index 2e32bd340474..970888aad843 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1317,6 +1317,26 @@ out:
        return ret;
 }
+asmlinkage long
+compat_sys_vmsplice(int fd, const struct compat_iovec __user *iov32,
+                    unsigned int nr_segs, unsigned int flags)
+{
+        unsigned i;
+        struct iovec *iov;
+        if (nr_segs > UIO_MAXIOV)
+                return -EINVAL;
+        iov = compat_alloc_user_space(nr_segs * sizeof(struct iovec));
+        for (i = 0; i < nr_segs; i++) {
+                struct compat_iovec v;
+                if (get_user(v.iov_base, &iov32[i].iov_base) ||
+                    get_user(v.iov_len, &iov32[i].iov_len) ||
+                    put_user(compat_ptr(v.iov_base), &iov[i].iov_base) ||
+                    put_user(v.iov_len, &iov[i].iov_len))
+                        return -EFAULT;
+        }
+        return sys_vmsplice(fd, iov, nr_segs, flags);
+}
 /*
 * Exactly like fs/open.c:sys_open(), except that it doesn't set the
 * O_LARGEFILE flag.
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 48ae0339af17..2edd7eec88fd 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -711,7 +711,7 @@ static int ext3_splice_branch(handle_t *handle, struct inode *inode,
         * direct blocks blocks
         */
        if (num == 0 && blks > 1) {
-                current_block = le32_to_cpu(where->key + 1);
+                current_block = le32_to_cpu(where->key) + 1;
                for (i = 1; i < blks; i++)
                        *(where->p + i ) = cpu_to_le32(current_block++);
        }
@@ -724,7 +724,7 @@ static int ext3_splice_branch(handle_t *handle, struct inode *inode,
        if (block_i) {
                block_i->last_alloc_logical_block = block + blks - 1;
                block_i->last_alloc_physical_block =
-                                le32_to_cpu(where[num].key + blks - 1);
+                                le32_to_cpu(where[num].key) + blks - 1;
        }
        /* We are done with atomic stuff, now do the rest of housekeeping */
@@ -814,11 +814,13 @@ int ext3_get_blocks_handle(handle_t *handle, struct inode *inode,
        /* Simplest case - block found, no allocation needed */
        if (!partial) {
-                first_block = chain[depth - 1].key;
+                first_block = le32_to_cpu(chain[depth - 1].key);
                clear_buffer_new(bh_result);
                count++;
                /*map more blocks*/
                while (count < maxblocks && count <= blocks_to_boundary) {
+                        unsigned long blk;
                        if (!verify_chain(chain, partial)) {
                                /*
                                 * Indirect block might be removed by
@@ -831,8 +833,9 @@ int ext3_get_blocks_handle(handle_t *handle, struct inode *inode,
                                count = 0;
                                break;
                        }
-                        if (le32_to_cpu(*(chain[depth-1].p+count) ==
+                        blk = le32_to_cpu(*(chain[depth-1].p + count));
-                                        (first_block + count)))
+                        if (blk == first_block + count)
                                count++;
                        else
                                break;
diff --git a/fs/pipe.c b/fs/pipe.c
index 7fefb10db8d9..5acd8954aaa0 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -55,7 +55,8 @@ void pipe_wait(struct pipe_inode_info *pipe)
 }
 static int
-pipe_iov_copy_from_user(void *to, struct iovec *iov, unsigned long len)
+pipe_iov_copy_from_user(void *to, struct iovec *iov, unsigned long len,
+                        int atomic)
 {
        unsigned long copy;
@@ -64,8 +65,13 @@ pipe_iov_copy_from_user(void *to, struct iovec *iov, unsigned long len)
                        iov++;
                copy = min_t(unsigned long, len, iov->iov_len);
-                if (copy_from_user(to, iov->iov_base, copy))
+                if (atomic) {
-                        return -EFAULT;
+                        if (__copy_from_user_inatomic(to, iov->iov_base, copy))
+                                return -EFAULT;
+                } else {
+                        if (copy_from_user(to, iov->iov_base, copy))
+                                return -EFAULT;
+                }
                to += copy;
                len -= copy;
                iov->iov_base += copy;
@@ -75,7 +81,8 @@ pipe_iov_copy_from_user(void *to, struct iovec *iov, unsigned long len)
 }
 static int
-pipe_iov_copy_to_user(struct iovec *iov, const void *from, unsigned long len)
+pipe_iov_copy_to_user(struct iovec *iov, const void *from, unsigned long len,
+                      int atomic)
 {
        unsigned long copy;
@@ -84,8 +91,13 @@ pipe_iov_copy_to_user(struct iovec *iov, const void *from, unsigned long len)
                        iov++;
                copy = min_t(unsigned long, len, iov->iov_len);
-                if (copy_to_user(iov->iov_base, from, copy))
+                if (atomic) {
-                        return -EFAULT;
+                        if (__copy_to_user_inatomic(iov->iov_base, from, copy))
+                                return -EFAULT;
+                } else {
+                        if (copy_to_user(iov->iov_base, from, copy))
+                                return -EFAULT;
+                }
                from += copy;
                len -= copy;
                iov->iov_base += copy;
@@ -94,13 +106,52 @@ pipe_iov_copy_to_user(struct iovec *iov, const void *from, unsigned long len)
        return 0;
 }
+/*
+ * Attempt to pre-fault in the user memory, so we can use atomic copies.
+ * Returns the number of bytes not faulted in.
+ */
+static int iov_fault_in_pages_write(struct iovec *iov, unsigned long len)
+{
+        while (!iov->iov_len)
+                iov++;
+        while (len > 0) {
+                unsigned long this_len;
+                this_len = min_t(unsigned long, len, iov->iov_len);
+                if (fault_in_pages_writeable(iov->iov_base, this_len))
+                        break;
+                len -= this_len;
+                iov++;
+        }
+        return len;
+}
+/*
+ * Pre-fault in the user memory, so we can use atomic copies.
+ */
+static void iov_fault_in_pages_read(struct iovec *iov, unsigned long len)
+{
+        while (!iov->iov_len)
+                iov++;
+        while (len > 0) {
+                unsigned long this_len;
+                this_len = min_t(unsigned long, len, iov->iov_len);
+                fault_in_pages_readable(iov->iov_base, this_len);
+                len -= this_len;
+                iov++;
+        }
+}
 static void anon_pipe_buf_release(struct pipe_inode_info *pipe,
                                  struct pipe_buffer *buf)
 {
        struct page *page = buf->page;
-        buf->flags &= ~PIPE_BUF_FLAG_STOLEN;
        /*
         * If nobody else uses this page, and we don't already have a
         * temporary page, let's keep track of it as a one-deep
@@ -112,38 +163,58 @@ static void anon_pipe_buf_release(struct pipe_inode_info *pipe,
                page_cache_release(page);
 }
-static void * anon_pipe_buf_map(struct file *file, struct pipe_inode_info *pipe,
+void *generic_pipe_buf_map(struct pipe_inode_info *pipe,
-                                struct pipe_buffer *buf)
+                           struct pipe_buffer *buf, int atomic)
 {
+        if (atomic) {
+                buf->flags |= PIPE_BUF_FLAG_ATOMIC;
+                return kmap_atomic(buf->page, KM_USER0);
+        }
        return kmap(buf->page);
 }
-static void anon_pipe_buf_unmap(struct pipe_inode_info *pipe,
+void generic_pipe_buf_unmap(struct pipe_inode_info *pipe,
-                                struct pipe_buffer *buf)
+                            struct pipe_buffer *buf, void *map_data)
 {
-        kunmap(buf->page);
+        if (buf->flags & PIPE_BUF_FLAG_ATOMIC) {
+                buf->flags &= ~PIPE_BUF_FLAG_ATOMIC;
+                kunmap_atomic(map_data, KM_USER0);
+        } else
+                kunmap(buf->page);
 }
-static int anon_pipe_buf_steal(struct pipe_inode_info *pipe,
+int generic_pipe_buf_steal(struct pipe_inode_info *pipe,
-                               struct pipe_buffer *buf)
+                           struct pipe_buffer *buf)
 {
-        buf->flags |= PIPE_BUF_FLAG_STOLEN;
+        struct page *page = buf->page;
-        return 0;
+        if (page_count(page) == 1) {
+                lock_page(page);
+                return 0;
+        }
+        return 1;
 }
-static void anon_pipe_buf_get(struct pipe_inode_info *info,
+void generic_pipe_buf_get(struct pipe_inode_info *info, struct pipe_buffer *buf)
-                              struct pipe_buffer *buf)
 {
        page_cache_get(buf->page);
 }
+int generic_pipe_buf_pin(struct pipe_inode_info *info, struct pipe_buffer *buf)
+{
+        return 0;
+}
 static struct pipe_buf_operations anon_pipe_buf_ops = {
        .can_merge = 1,
-        .map = anon_pipe_buf_map,
+        .map = generic_pipe_buf_map,
-        .unmap = anon_pipe_buf_unmap,
+        .unmap = generic_pipe_buf_unmap,
+        .pin = generic_pipe_buf_pin,
        .release = anon_pipe_buf_release,
-        .steal = anon_pipe_buf_steal,
+        .steal = generic_pipe_buf_steal,
-        .get = anon_pipe_buf_get,
+        .get = generic_pipe_buf_get,
 };
 static ssize_t
@@ -174,22 +245,33 @@ pipe_readv(struct file *filp, const struct iovec *_iov,
                        struct pipe_buf_operations *ops = buf->ops;
                        void *addr;
                        size_t chars = buf->len;
-                        int error;
+                        int error, atomic;
                        if (chars > total_len)
                                chars = total_len;
-                        addr = ops->map(filp, pipe, buf);
+                        error = ops->pin(pipe, buf);
-                        if (IS_ERR(addr)) {
+                        if (error) {
                                if (!ret)
-                                        ret = PTR_ERR(addr);
+                                        error = ret;
                                break;
                        }
-                        error = pipe_iov_copy_to_user(iov, addr + buf->offset, chars);
-                        ops->unmap(pipe, buf);
+                        atomic = !iov_fault_in_pages_write(iov, chars);
+redo:
+                        addr = ops->map(pipe, buf, atomic);
+                        error = pipe_iov_copy_to_user(iov, addr + buf->offset, chars, atomic);
+                        ops->unmap(pipe, buf, addr);
                        if (unlikely(error)) {
+                                /*
+                                 * Just retry with the slow path if we failed.
+                                 */
+                                if (atomic) {
+                                        atomic = 0;
+                                        goto redo;
+                                }
                                if (!ret)
-                                        ret = -EFAULT;
+                                        ret = error;
                                break;
                        }
                        ret += chars;
@@ -293,21 +375,28 @@ pipe_writev(struct file *filp, const struct iovec *_iov,
                int offset = buf->offset + buf->len;
                if (ops->can_merge && offset + chars <= PAGE_SIZE) {
+                        int error, atomic = 1;
                        void *addr;
-                        int error;
-                        addr = ops->map(filp, pipe, buf);
+                        error = ops->pin(pipe, buf);
-                        if (IS_ERR(addr)) {
+                        if (error)
-                                error = PTR_ERR(addr);
                                goto out;
-                        }
+                        iov_fault_in_pages_read(iov, chars);
+redo1:
+                        addr = ops->map(pipe, buf, atomic);
                        error = pipe_iov_copy_from_user(offset + addr, iov,
-                                                        chars);
+                                                        chars, atomic);
-                        ops->unmap(pipe, buf);
+                        ops->unmap(pipe, buf, addr);
                        ret = error;
                        do_wakeup = 1;
-                        if (error)
+                        if (error) {
+                                if (atomic) {
+                                        atomic = 0;
+                                        goto redo1;
+                                }
                                goto out;
+                        }
                        buf->len += chars;
                        total_len -= chars;
                        ret = chars;
@@ -330,7 +419,8 @@ pipe_writev(struct file *filp, const struct iovec *_iov,
                        int newbuf = (pipe->curbuf + bufs) & (PIPE_BUFFERS-1);
                        struct pipe_buffer *buf = pipe->bufs + newbuf;
                        struct page *page = pipe->tmp_page;
-                        int error;
+                        char *src;
+                        int error, atomic = 1;
                        if (!page) {
                                page = alloc_page(GFP_HIGHUSER);
@@ -350,11 +440,27 @@ pipe_writev(struct file *filp, const struct iovec *_iov,
                        if (chars > total_len)
                                chars = total_len;
-                        error = pipe_iov_copy_from_user(kmap(page), iov, chars);
+                        iov_fault_in_pages_read(iov, chars);
-                        kunmap(page);
+redo2:
+                        if (atomic)
+                                src = kmap_atomic(page, KM_USER0);
+                        else
+                                src = kmap(page);
+                        error = pipe_iov_copy_from_user(src, iov, chars,
+                                                        atomic);
+                        if (atomic)
+                                kunmap_atomic(src, KM_USER0);
+                        else
+                                kunmap(page);
                        if (unlikely(error)) {
+                                if (atomic) {
+                                        atomic = 0;
+                                        goto redo2;
+                                }
                                if (!ret)
-                                        ret = -EFAULT;
+                                        ret = error;
                                break;
                        }
                        ret += chars;
diff --git a/fs/splice.c b/fs/splice.c
index a46ddd28561e..a285fd746dc0 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -51,7 +51,7 @@ struct splice_pipe_desc {
 * addition of remove_mapping(). If success is returned, the caller may
 * attempt to reuse this page for another destination.
 */
-static int page_cache_pipe_buf_steal(struct pipe_inode_info *info,
+static int page_cache_pipe_buf_steal(struct pipe_inode_info *pipe,
                                     struct pipe_buffer *buf)
 {
        struct page *page = buf->page;
@@ -78,21 +78,19 @@ static int page_cache_pipe_buf_steal(struct pipe_inode_info *info,
                return 1;
        }
-        buf->flags |= PIPE_BUF_FLAG_STOLEN | PIPE_BUF_FLAG_LRU;
+        buf->flags |= PIPE_BUF_FLAG_LRU;
        return 0;
 }
-static void page_cache_pipe_buf_release(struct pipe_inode_info *info,
+static void page_cache_pipe_buf_release(struct pipe_inode_info *pipe,
                                        struct pipe_buffer *buf)
 {
        page_cache_release(buf->page);
-        buf->page = NULL;
+        buf->flags &= ~PIPE_BUF_FLAG_LRU;
-        buf->flags &= ~(PIPE_BUF_FLAG_STOLEN | PIPE_BUF_FLAG_LRU);
 }
-static void *page_cache_pipe_buf_map(struct file *file,
+static int page_cache_pipe_buf_pin(struct pipe_inode_info *pipe,
-                                     struct pipe_inode_info *info,
+                                   struct pipe_buffer *buf)
-                                     struct pipe_buffer *buf)
 {
        struct page *page = buf->page;
        int err;
@@ -118,64 +116,45 @@ static void *page_cache_pipe_buf_map(struct file *file,
                }
                /*
-                 * Page is ok afterall, fall through to mapping.
+                 * Page is ok afterall, we are done.
                 */
                unlock_page(page);
        }
-        return kmap(page);
+        return 0;
 error:
        unlock_page(page);
-        return ERR_PTR(err);
+        return err;
-}
-static void page_cache_pipe_buf_unmap(struct pipe_inode_info *info,
-                                      struct pipe_buffer *buf)
-{
-        kunmap(buf->page);
-}
-static void *user_page_pipe_buf_map(struct file *file,
-                                    struct pipe_inode_info *pipe,
-                                    struct pipe_buffer *buf)
-{
-        return kmap(buf->page);
-}
-static void user_page_pipe_buf_unmap(struct pipe_inode_info *pipe,
-                                     struct pipe_buffer *buf)
-{
-        kunmap(buf->page);
-}
-static void page_cache_pipe_buf_get(struct pipe_inode_info *info,
-                                    struct pipe_buffer *buf)
-{
-        page_cache_get(buf->page);
 }
 static struct pipe_buf_operations page_cache_pipe_buf_ops = {
        .can_merge = 0,
-        .map = page_cache_pipe_buf_map,
+        .map = generic_pipe_buf_map,
-        .unmap = page_cache_pipe_buf_unmap,
+        .unmap = generic_pipe_buf_unmap,
+        .pin = page_cache_pipe_buf_pin,
        .release = page_cache_pipe_buf_release,
        .steal = page_cache_pipe_buf_steal,
-        .get = page_cache_pipe_buf_get,
+        .get = generic_pipe_buf_get,
 };
 static int user_page_pipe_buf_steal(struct pipe_inode_info *pipe,
                                    struct pipe_buffer *buf)
 {
-        return 1;
+        if (!(buf->flags & PIPE_BUF_FLAG_GIFT))
+                return 1;
+        buf->flags |= PIPE_BUF_FLAG_LRU;
+        return generic_pipe_buf_steal(pipe, buf);
 }
 static struct pipe_buf_operations user_page_pipe_buf_ops = {
        .can_merge = 0,
-        .map = user_page_pipe_buf_map,
+        .map = generic_pipe_buf_map,
-        .unmap = user_page_pipe_buf_unmap,
+        .unmap = generic_pipe_buf_unmap,
+        .pin = generic_pipe_buf_pin,
        .release = page_cache_pipe_buf_release,
        .steal = user_page_pipe_buf_steal,
-        .get = page_cache_pipe_buf_get,
+        .get = generic_pipe_buf_get,
 };
 /*
@@ -210,6 +189,9 @@ static ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
                        buf->offset = spd->partial[page_nr].offset;
                        buf->len = spd->partial[page_nr].len;
                        buf->ops = spd->ops;
+                        if (spd->flags & SPLICE_F_GIFT)
+                                buf->flags |= PIPE_BUF_FLAG_GIFT;
                        pipe->nrbufs++;
                        page_nr++;
                        ret += buf->len;
@@ -326,6 +308,12 @@ __generic_file_splice_read(struct file *in, loff_t *ppos,
                page = find_get_page(mapping, index);
                if (!page) {
                        /*
+                         * Make sure the read-ahead engine is notified
+                         * about this failure.
+                         */
+                        handle_ra_miss(mapping, &in->f_ra, index);
+                        /*
                         * page didn't exist, allocate one.
                         */
                        page = page_cache_alloc_cold(mapping);
@@ -336,6 +324,8 @@ __generic_file_splice_read(struct file *in, loff_t *ppos,
                                              mapping_gfp_mask(mapping));
                        if (unlikely(error)) {
                                page_cache_release(page);
+                                if (error == -EEXIST)
+                                        continue;
                                break;
                        }
                        /*
@@ -512,31 +502,21 @@ EXPORT_SYMBOL(generic_file_splice_read);
 * Send 'sd->len' bytes to socket from 'sd->file' at position 'sd->pos'
 * using sendpage(). Return the number of bytes sent.
 */
-static int pipe_to_sendpage(struct pipe_inode_info *info,
+static int pipe_to_sendpage(struct pipe_inode_info *pipe,
                            struct pipe_buffer *buf, struct splice_desc *sd)
 {
        struct file *file = sd->file;
        loff_t pos = sd->pos;
-        ssize_t ret;
+        int ret, more;
-        void *ptr;
-        int more;
-        /*
-         * Sub-optimal, but we are limited by the pipe ->map. We don't
-         * need a kmap'ed buffer here, we just want to make sure we
-         * have the page pinned if the pipe page originates from the
-         * page cache.
-         */
-        ptr = buf->ops->map(file, info, buf);
-        if (IS_ERR(ptr))
-                return PTR_ERR(ptr);
-        more = (sd->flags & SPLICE_F_MORE) || sd->len < sd->total_len;
+        ret = buf->ops->pin(pipe, buf);
+        if (!ret) {
+                more = (sd->flags & SPLICE_F_MORE) || sd->len < sd->total_len;
-        ret = file->f_op->sendpage(file, buf->page, buf->offset, sd->len,
+                ret = file->f_op->sendpage(file, buf->page, buf->offset,
-                                   &pos, more);
+                                           sd->len, &pos, more);
+        }
-        buf->ops->unmap(info, buf);
        return ret;
 }
@@ -560,7 +540,7 @@ static int pipe_to_sendpage(struct pipe_inode_info *info,
 * SPLICE_F_MOVE isn't set, or we cannot move the page, we simply create
 * a new page in the output file page cache and fill/dirty that.
 */
-static int pipe_to_file(struct pipe_inode_info *info, struct pipe_buffer *buf,
+static int pipe_to_file(struct pipe_inode_info *pipe, struct pipe_buffer *buf,
                        struct splice_desc *sd)
 {
        struct file *file = sd->file;
@@ -569,15 +549,14 @@ static int pipe_to_file(struct pipe_inode_info *info, struct pipe_buffer *buf,
        unsigned int offset, this_len;
        struct page *page;
        pgoff_t index;
-        char *src;
        int ret;
        /*
         * make sure the data in this buffer is uptodate
         */
-        src = buf->ops->map(file, info, buf);
+        ret = buf->ops->pin(pipe, buf);
-        if (IS_ERR(src))
+        if (unlikely(ret))
-                return PTR_ERR(src);
+                return ret;
        index = sd->pos >> PAGE_CACHE_SHIFT;
        offset = sd->pos & ~PAGE_CACHE_MASK;
@@ -587,20 +566,25 @@ static int pipe_to_file(struct pipe_inode_info *info, struct pipe_buffer *buf,
                this_len = PAGE_CACHE_SIZE - offset;
        /*
-         * Reuse buf page, if SPLICE_F_MOVE is set.
+         * Reuse buf page, if SPLICE_F_MOVE is set and we are doing a full
+         * page.
         */
-        if (sd->flags & SPLICE_F_MOVE) {
+        if ((sd->flags & SPLICE_F_MOVE) && this_len == PAGE_CACHE_SIZE) {
                /*
-                 * If steal succeeds, buf->page is now pruned from the vm
+                 * If steal succeeds, buf->page is now pruned from the
-                 * side (LRU and page cache) and we can reuse it. The page
+                 * pagecache and we can reuse it. The page will also be
-                 * will also be looked on successful return.
+                 * locked on successful return.
                 */
-                if (buf->ops->steal(info, buf))
+                if (buf->ops->steal(pipe, buf))
                        goto find_page;
                page = buf->page;
-                if (add_to_page_cache(page, mapping, index, gfp_mask))
+                if (add_to_page_cache(page, mapping, index, gfp_mask)) {
+                        unlock_page(page);
                        goto find_page;
+                }
+                page_cache_get(page);
                if (!(buf->flags & PIPE_BUF_FLAG_LRU))
                        lru_cache_add(page);
@@ -654,40 +638,55 @@ find_page:
        }
        ret = mapping->a_ops->prepare_write(file, page, offset, offset+this_len);
-        if (ret == AOP_TRUNCATED_PAGE) {
+        if (unlikely(ret)) {
+                loff_t isize = i_size_read(mapping->host);
+                if (ret != AOP_TRUNCATED_PAGE)
+                        unlock_page(page);
                page_cache_release(page);
-                goto find_page;
+                if (ret == AOP_TRUNCATED_PAGE)
-        } else if (ret)
+                        goto find_page;
+                /*
+                 * prepare_write() may have instantiated a few blocks
+                 * outside i_size.  Trim these off again.
+                 */
+                if (sd->pos + this_len > isize)
+                        vmtruncate(mapping->host, isize);
                goto out;
+        }
-        if (!(buf->flags & PIPE_BUF_FLAG_STOLEN)) {
+        if (buf->page != page) {
-                char *dst = kmap_atomic(page, KM_USER0);
+                /*
+                 * Careful, ->map() uses KM_USER0!
+                 */
+                char *src = buf->ops->map(pipe, buf, 1);
+                char *dst = kmap_atomic(page, KM_USER1);
                memcpy(dst + offset, src + buf->offset, this_len);
                flush_dcache_page(page);
-                kunmap_atomic(dst, KM_USER0);
+                kunmap_atomic(dst, KM_USER1);
+                buf->ops->unmap(pipe, buf, src);
        }
        ret = mapping->a_ops->commit_write(file, page, offset, offset+this_len);
-        if (ret == AOP_TRUNCATED_PAGE) {
+        if (!ret) {
+                /*
+                 * Return the number of bytes written and mark page as
+                 * accessed, we are now done!
+                 */
+                ret = this_len;
+                mark_page_accessed(page);
+                balance_dirty_pages_ratelimited(mapping);
+        } else if (ret == AOP_TRUNCATED_PAGE) {
                page_cache_release(page);
                goto find_page;
-        } else if (ret)
+        }
-                goto out;
-        /*
-         * Return the number of bytes written.
-         */
-        ret = this_len;
-        mark_page_accessed(page);
-        balance_dirty_pages_ratelimited(mapping);
 out:
-        if (!(buf->flags & PIPE_BUF_FLAG_STOLEN))
+        page_cache_release(page);
-                page_cache_release(page);
        unlock_page(page);
 out_nomem:
-        buf->ops->unmap(info, buf);
        return ret;
 }
@@ -1095,7 +1094,7 @@ static long do_splice(struct file *in, loff_t __user *off_in,
 */
 static int get_iovec_page_array(const struct iovec __user *iov,
                                unsigned int nr_vecs, struct page **pages,
-                                struct partial_page *partial)
+                                struct partial_page *partial, int aligned)
 {
        int buffers = 0, error = 0;
@@ -1135,6 +1134,15 @@ static int get_iovec_page_array(const struct iovec __user *iov,
                 * in the user pages.
                 */
                off = (unsigned long) base & ~PAGE_MASK;
+                /*
+                 * If asked for alignment, the offset must be zero and the
+                 * length a multiple of the PAGE_SIZE.
+                 */
+                error = -EINVAL;
+                if (aligned && (off || len & ~PAGE_MASK))
+                        break;
                npages = (off + len + PAGE_SIZE - 1) >> PAGE_SHIFT;
                if (npages > PIPE_BUFFERS - buffers)
                        npages = PIPE_BUFFERS - buffers;
@@ -1150,7 +1158,7 @@ static int get_iovec_page_array(const struct iovec __user *iov,
                 * Fill this contiguous range into the partial page map.
                 */
                for (i = 0; i < error; i++) {
-                        const int plen = min_t(size_t, len, PAGE_SIZE) - off;
+                        const int plen = min_t(size_t, len, PAGE_SIZE - off);
                        partial[buffers].offset = off;
                        partial[buffers].len = plen;
@@ -1228,7 +1236,8 @@ static long do_vmsplice(struct file *file, const struct iovec __user *iov,
        else if (unlikely(!nr_segs))
                return 0;
-        spd.nr_pages = get_iovec_page_array(iov, nr_segs, pages, partial);
+        spd.nr_pages = get_iovec_page_array(iov, nr_segs, pages, partial,
+                                            flags & SPLICE_F_GIFT);
        if (spd.nr_pages <= 0)
                return spd.nr_pages;
@@ -1336,6 +1345,12 @@ static int link_pipe(struct pipe_inode_info *ipipe,
                                obuf = opipe->bufs + nbuf;
                                *obuf = *ibuf;
+                                /*
+                                 * Don't inherit the gift flag, we need to
+                                 * prevent multiple steals of this page.
+                                 */
+                                obuf->flags &= ~PIPE_BUF_FLAG_GIFT;
                                if (obuf->len > len)
                                        obuf->len = len;
diff --git a/include/asm-arm/arch-imx/imx-uart.h b/include/asm-arm/arch-imx/imx-uart.h
new file mode 100644
index 000000000000..3a685e1780ea
--- /dev/null
+++ b/include/asm-arm/arch-imx/imx-uart.h
@@ -0,0 +1,10 @@
+#ifndef ASMARM_ARCH_UART_H
+#define ASMARM_ARCH_UART_H
+#define IMXUART_HAVE_RTSCTS (1<<0)
+struct imxuart_platform_data {
+        unsigned int flags;
+};
+#endif
diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
index 942b622455bc..b59520e56fc7 100644
--- a/include/asm-arm/arch-ixp4xx/io.h
+++ b/include/asm-arm/arch-ixp4xx/io.h
@@ -260,6 +260,12 @@ out:
 #endif
+#ifndef CONFIG_PCI
+#define __io(v)         v
+#else
 /*
 * IXP4xx does not have a transparent cpu -> PCI I/O translation
 * window.  Instead, it has a set of registers that must be tweaked
@@ -578,6 +584,7 @@ __ixp4xx_iowrite32_rep(void __iomem *addr, const void *vaddr, u32 count)
 #define ioport_map(port, nr)            ((void __iomem*)(port + PIO_OFFSET))
 #define ioport_unmap(addr)
+#endif  // !CONFIG_PCI
 #endif  //  __ASM_ARM_ARCH_IO_H
diff --git a/include/asm-arm/arch-ixp4xx/memory.h b/include/asm-arm/arch-ixp4xx/memory.h
index ee211d28a3ef..af9667b57ab3 100644
--- a/include/asm-arm/arch-ixp4xx/memory.h
+++ b/include/asm-arm/arch-ixp4xx/memory.h
@@ -14,7 +14,7 @@
 */
 #define PHYS_OFFSET     UL(0x00000000)
-#ifndef __ASSEMBLY__
+#if !defined(__ASSEMBLY__) && defined(CONFIG_PCI)
 void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes);
diff --git a/include/asm-arm/arch-pxa/dma.h b/include/asm-arm/arch-pxa/dma.h
index 3e88a2a02a0f..a008150abc59 100644
--- a/include/asm-arm/arch-pxa/dma.h
+++ b/include/asm-arm/arch-pxa/dma.h
@@ -24,27 +24,29 @@ typedef struct pxa_dma_desc {
        volatile u32 dcmd;      /* DCMD value for the current transfer */
 } pxa_dma_desc;
+typedef enum {
+        DMA_PRIO_HIGH = 0,
+        DMA_PRIO_MEDIUM = 1,
+        DMA_PRIO_LOW = 2
+} pxa_dma_prio;
 #if defined(CONFIG_PXA27x)
 #define PXA_DMA_CHANNELS        32
-#define PXA_DMA_NBCH(prio)      ((prio == DMA_PRIO_LOW) ? 16 : 8)
-typedef enum {
+#define pxa_for_each_dma_prio(ch, prio)                                 \
-        DMA_PRIO_HIGH = 0,
+for (                                                                   \
-        DMA_PRIO_MEDIUM = 8,
+        ch = prio * 4;                                                  \
-        DMA_PRIO_LOW = 16
+        ch != (4 << prio) + 16;                                         \
-} pxa_dma_prio;
+        ch = (ch + 1 == (4 << prio)) ? (prio * 4 + 16) : (ch + 1)       \
+)
 #elif defined(CONFIG_PXA25x)
 #define PXA_DMA_CHANNELS        16
-#define PXA_DMA_NBCH(prio)      ((prio == DMA_PRIO_LOW) ? 8 : 4)
-typedef enum {
+#define pxa_for_each_dma_prio(ch, prio)                                 \
-        DMA_PRIO_HIGH = 0,
+        for (ch = prio * 4; ch != (4 << prio); ch++)
-        DMA_PRIO_MEDIUM = 4,
-        DMA_PRIO_LOW = 8
-} pxa_dma_prio;
 #endif
diff --git a/include/asm-arm/bug.h b/include/asm-arm/bug.h
index 0e36fd5d87df..7fb02138f585 100644
--- a/include/asm-arm/bug.h
+++ b/include/asm-arm/bug.h
@@ -1,6 +1,7 @@
 #ifndef _ASMARM_BUG_H
 #define _ASMARM_BUG_H
+#include <linux/config.h>
 #ifdef CONFIG_BUG
 #ifdef CONFIG_DEBUG_BUGVERBOSE
diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
index a5896d94e1ad..1e891f860ef3 100644
--- a/include/asm-arm/unistd.h
+++ b/include/asm-arm/unistd.h
@@ -361,7 +361,7 @@
 /*
 * The following syscalls are obsolete and no longer available for EABI.
 */
-#if defined(__ARM_EABI__)
+#if defined(__ARM_EABI__) && !defined(__KERNEL__)
 #undef __NR_time
 #undef __NR_umount
 #undef __NR_stime
@@ -411,7 +411,8 @@ type name(void) {							\
  __asm__ __volatile__ (                                                \
  __syscall(name)                                                       \
        : "=r" (__res_r0)                                               \
-        : __SYS_REG_LIST() );                                           \
+        : __SYS_REG_LIST()                                              \
+        : "memory" );                                                   \
  __res = __res_r0;                                                     \
  __syscall_return(type,__res);                                         \
 }
@@ -425,7 +426,8 @@ type name(type1 arg1) { 						\
  __asm__ __volatile__ (                                                \
  __syscall(name)                                                       \
        : "=r" (__res_r0)                                               \
-        : __SYS_REG_LIST( "0" (__r0) ) );                               \
+        : __SYS_REG_LIST( "0" (__r0) )                                  \
+        : "memory" );                                                   \
  __res = __res_r0;                                                     \
  __syscall_return(type,__res);                                         \
 }
@@ -440,7 +442,8 @@ type name(type1 arg1,type2 arg2) {					\
  __asm__ __volatile__ (                                                \
  __syscall(name)                                                       \
        : "=r" (__res_r0)                                               \
-        : __SYS_REG_LIST( "0" (__r0), "r" (__r1) ) );                   \
+        : __SYS_REG_LIST( "0" (__r0), "r" (__r1) )                      \
+        : "memory" );                                                   \
  __res = __res_r0;                                                     \
  __syscall_return(type,__res);                                         \
 }
@@ -457,7 +460,8 @@ type name(type1 arg1,type2 arg2,type3 arg3) {				\
  __asm__ __volatile__ (                                                \
  __syscall(name)                                                       \
        : "=r" (__res_r0)                                               \
-        : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2) ) );       \
+        : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2) )          \
+        : "memory" );                                                   \
  __res = __res_r0;                                                     \
  __syscall_return(type,__res);                                         \
 }
@@ -475,7 +479,8 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {		\
  __asm__ __volatile__ (                                                \
  __syscall(name)                                                       \
        : "=r" (__res_r0)                                               \
-        : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) ) ); \
+        : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) ) \
+        : "memory" );                                                   \
  __res = __res_r0;                                                     \
  __syscall_return(type,__res);                                         \
 }
@@ -495,7 +500,8 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {	\
  __syscall(name)                                                       \
        : "=r" (__res_r0)                                               \
        : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2),           \
-                          "r" (__r3), "r" (__r4) ) );                   \
+                          "r" (__r3), "r" (__r4) )                      \
+        : "memory" );                                                   \
  __res = __res_r0;                                                     \
  __syscall_return(type,__res);                                         \
 }
@@ -515,7 +521,8 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
  __syscall(name)                                                       \
        : "=r" (__res_r0)                                               \
        : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2),           \
-                          "r" (__r3), "r" (__r4), "r" (__r5) ) );       \
+                          "r" (__r3), "r" (__r4), "r" (__r5) )          \
+        : "memory" );                                                   \
  __res = __res_r0;                                                     \
  __syscall_return(type,__res);                                         \
 }
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index fb519a1e49bd..95713f397357 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -116,6 +116,7 @@ struct spu {
        struct list_head list;
        struct list_head sched_list;
        int number;
+        int nid;
        u32 isrc;
        u32 node;
        u64 flags;
diff --git a/include/asm-powerpc/topology.h b/include/asm-powerpc/topology.h
index 4cf340ccb4cd..19c575f39164 100644
--- a/include/asm-powerpc/topology.h
+++ b/include/asm-powerpc/topology.h
@@ -3,6 +3,9 @@
 #ifdef __KERNEL__
+struct sys_device;
+struct device_node;
 #ifdef CONFIG_NUMA
 #include <asm/mmzone.h>
@@ -26,6 +29,8 @@ static inline int node_to_first_cpu(int node)
        return first_cpu(tmp);
 }
+int of_node_to_nid(struct device_node *device);
 #define pcibus_to_node(node)    (-1)
 #define pcibus_to_cpumask(bus)  (cpu_online_map)
@@ -56,10 +61,29 @@ static inline int node_to_first_cpu(int node)
 extern void __init dump_numa_cpu_topology(void);
+extern int sysfs_add_device_to_node(struct sys_device *dev, int nid);
+extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid);
 #else
+static inline int of_node_to_nid(struct device_node *device)
+{
+        return 0;
+}
 static inline void dump_numa_cpu_topology(void) {}
+static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid)
+{
+        return 0;
+}
+static inline void sysfs_remove_device_from_node(struct sys_device *dev,
+                                                int nid)
+{
+}
 #include <asm-generic/topology.h>
 #endif /* CONFIG_NUMA */
diff --git a/include/asm-powerpc/uaccess.h b/include/asm-powerpc/uaccess.h
index 3872e924cdd6..d83fc29c2bbf 100644
--- a/include/asm-powerpc/uaccess.h
+++ b/include/asm-powerpc/uaccess.h
@@ -7,6 +7,7 @@
 #include <linux/sched.h>
 #include <linux/errno.h>
 #include <asm/processor.h>
+#include <asm/page.h>
 #define VERIFY_READ     0
 #define VERIFY_WRITE    1
@@ -179,9 +180,11 @@ do {								\
 #define __put_user_nocheck(x, ptr, size)                        \
 ({                                                              \
        long __pu_err;                                          \
-        might_sleep();                                          \
+        __typeof__(*(ptr)) __user *__pu_addr = (ptr);           \
+        if (!is_kernel_addr((unsigned long)__pu_addr))          \
+                might_sleep();                                  \
        __chk_user_ptr(ptr);                                    \
-        __put_user_size((x), (ptr), (size), __pu_err);          \
+        __put_user_size((x), __pu_addr, (size), __pu_err);      \
        __pu_err;                                               \
 })
@@ -258,9 +261,11 @@ do {								\
 ({                                                              \
        long __gu_err;                                          \
        unsigned long __gu_val;                                 \
+        const __typeof__(*(ptr)) __user *__gu_addr = (ptr);     \
        __chk_user_ptr(ptr);                                    \
-        might_sleep();                                          \
+        if (!is_kernel_addr((unsigned long)__gu_addr))          \
-        __get_user_size(__gu_val, (ptr), (size), __gu_err);     \
+                might_sleep();                                  \
+        __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
        (x) = (__typeof__(*(ptr)))__gu_val;                     \
        __gu_err;                                               \
 })
@@ -270,9 +275,11 @@ do {								\
 ({                                                              \
        long __gu_err;                                          \
        long long __gu_val;                                     \
+        const __typeof__(*(ptr)) __user *__gu_addr = (ptr);     \
        __chk_user_ptr(ptr);                                    \
-        might_sleep();                                          \
+        if (!is_kernel_addr((unsigned long)__gu_addr))          \
-        __get_user_size(__gu_val, (ptr), (size), __gu_err);     \
+                might_sleep();                                  \
+        __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
        (x) = (__typeof__(*(ptr)))__gu_val;                     \
        __gu_err;                                               \
 })
diff --git a/include/asm-ppc/commproc.h b/include/asm-ppc/commproc.h
index 64a2623def02..3247bea5fc2b 100644
--- a/include/asm-ppc/commproc.h
+++ b/include/asm-ppc/commproc.h
@@ -34,6 +34,7 @@
 #define CPM_CR_INIT_TX          ((ushort)0x0002)
 #define CPM_CR_HUNT_MODE        ((ushort)0x0003)
 #define CPM_CR_STOP_TX          ((ushort)0x0004)
+#define CPM_CR_GRA_STOP_TX      ((ushort)0x0005)
 #define CPM_CR_RESTART_TX       ((ushort)0x0006)
 #define CPM_CR_CLOSE_RX_BD      ((ushort)0x0007)
 #define CPM_CR_SET_GADDR        ((ushort)0x0008)
diff --git a/include/asm-ppc/cpm2.h b/include/asm-ppc/cpm2.h
index b638b87cebe3..c70344b91049 100644
--- a/include/asm-ppc/cpm2.h
+++ b/include/asm-ppc/cpm2.h
@@ -69,7 +69,7 @@
 #define CPM_CR_INIT_TX          ((ushort)0x0002)
 #define CPM_CR_HUNT_MODE        ((ushort)0x0003)
 #define CPM_CR_STOP_TX          ((ushort)0x0004)
-#define CPM_CR_GRA_STOP_TX      ((ushort)0x0005)
+#define CPM_CR_GRA_STOP_TX      ((ushort)0x0005)
 #define CPM_CR_RESTART_TX       ((ushort)0x0006)
 #define CPM_CR_SET_GADDR        ((ushort)0x0008)
 #define CPM_CR_START_IDMA       ((ushort)0x0009)
diff --git a/include/asm-sparc/unistd.h b/include/asm-sparc/unistd.h
index 7bd5a7dd6781..5489c5a3c777 100644
--- a/include/asm-sparc/unistd.h
+++ b/include/asm-sparc/unistd.h
@@ -41,7 +41,7 @@
 #define __NR_capset              22 /* Linux Specific                              */
 #define __NR_setuid              23 /* Implemented via setreuid in SunOS           */
 #define __NR_getuid              24 /* Common                                      */
-/* #define __NR_time alias       25    ENOSYS under SunOS                          */
+#define __NR_vmsplice            25 /* ENOSYS under SunOS                          */
 #define __NR_ptrace              26 /* Common                                      */
 #define __NR_alarm               27 /* Implemented via setitimer in SunOS          */
 #define __NR_sigaltstack         28 /* Common                                      */
diff --git a/include/asm-sparc64/tlbflush.h b/include/asm-sparc64/tlbflush.h
index 0386014ecf27..3487328570ed 100644
--- a/include/asm-sparc64/tlbflush.h
+++ b/include/asm-sparc64/tlbflush.h
@@ -21,8 +21,6 @@ extern void flush_tlb_pending(void);
 /* Local cpu only.  */
 extern void __flush_tlb_all(void);
-extern void __flush_tlb_page(unsigned long context, unsigned long page, unsigned long r);
 extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
 #ifndef CONFIG_SMP
diff --git a/include/asm-sparc64/unistd.h b/include/asm-sparc64/unistd.h
index 18f7b1a2517c..a73b7ce1a042 100644
--- a/include/asm-sparc64/unistd.h
+++ b/include/asm-sparc64/unistd.h
@@ -41,7 +41,7 @@
 #define __NR_capset              22 /* Linux Specific                              */
 #define __NR_setuid              23 /* Implemented via setreuid in SunOS           */
 #define __NR_getuid              24 /* Common                                      */
-/* #define __NR_time alias       25    ENOSYS under SunOS                          */
+#define __NR_vmsplice            25 /* ENOSYS under SunOS                          */
 #define __NR_ptrace              26 /* Common                                      */
 #define __NR_alarm               27 /* Implemented via setitimer in SunOS          */
 #define __NR_sigaltstack         28 /* Common                                      */
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 319975532943..14259f6db5bc 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -82,6 +82,7 @@
 #define AUDIT_CONFIG_CHANGE     1305    /* Audit system configuration change */
 #define AUDIT_SOCKADDR          1306    /* sockaddr copied as syscall arg */
 #define AUDIT_CWD               1307    /* Current working directory */
+#define AUDIT_IPC_SET_PERM      1311    /* IPC new permissions record type */
 #define AUDIT_AVC               1400    /* SE Linux avc denial or grant */
 #define AUDIT_SELINUX_ERR       1401    /* Internal SE Linux Errors */
@@ -144,6 +145,11 @@
 #define AUDIT_PERS      10
 #define AUDIT_ARCH      11
 #define AUDIT_MSGTYPE   12
+#define AUDIT_SE_USER   13      /* security label user */
+#define AUDIT_SE_ROLE   14      /* security label role */
+#define AUDIT_SE_TYPE   15      /* security label type */
+#define AUDIT_SE_SEN    16      /* security label sensitivity label */
+#define AUDIT_SE_CLR    17      /* security label clearance label */
                                /* These are ONLY useful when checking
                                 * at syscall exit time (AUDIT_AT_EXIT). */
@@ -287,10 +293,10 @@ struct netlink_skb_parms;
                                /* Public API */
 extern int  audit_alloc(struct task_struct *task);
 extern void audit_free(struct task_struct *task);
-extern void audit_syscall_entry(struct task_struct *task, int arch,
+extern void audit_syscall_entry(int arch,
                                int major, unsigned long a0, unsigned long a1,
                                unsigned long a2, unsigned long a3);
-extern void audit_syscall_exit(struct task_struct *task, int failed, long return_code);
+extern void audit_syscall_exit(int failed, long return_code);
 extern void audit_getname(const char *name);
 extern void audit_putname(const char *name);
 extern void __audit_inode(const char *name, const struct inode *inode, unsigned flags);
@@ -314,7 +320,8 @@ extern void auditsc_get_stamp(struct audit_context *ctx,
                              struct timespec *t, unsigned int *serial);
 extern int  audit_set_loginuid(struct task_struct *task, uid_t loginuid);
 extern uid_t audit_get_loginuid(struct audit_context *ctx);
-extern int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, struct kern_ipc_perm *ipcp);
+extern int audit_ipc_obj(struct kern_ipc_perm *ipcp);
+extern int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, struct kern_ipc_perm *ipcp);
 extern int audit_socketcall(int nargs, unsigned long *args);
 extern int audit_sockaddr(int len, void *addr);
 extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt);
@@ -323,8 +330,8 @@ extern int audit_set_macxattr(const char *name);
 #else
 #define audit_alloc(t) ({ 0; })
 #define audit_free(t) do { ; } while (0)
-#define audit_syscall_entry(t,ta,a,b,c,d,e) do { ; } while (0)
+#define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0)
-#define audit_syscall_exit(t,f,r) do { ; } while (0)
+#define audit_syscall_exit(f,r) do { ; } while (0)
 #define audit_getname(n) do { ; } while (0)
 #define audit_putname(n) do { ; } while (0)
 #define __audit_inode(n,i,f) do { ; } while (0)
@@ -333,7 +340,8 @@ extern int audit_set_macxattr(const char *name);
 #define audit_inode_child(d,i,p) do { ; } while (0)
 #define auditsc_get_stamp(c,t,s) do { BUG(); } while (0)
 #define audit_get_loginuid(c) ({ -1; })
-#define audit_ipc_perms(q,u,g,m,i) ({ 0; })
+#define audit_ipc_obj(i) ({ 0; })
+#define audit_ipc_set_perm(q,u,g,m,i) ({ 0; })
 #define audit_socketcall(n,a) ({ 0; })
 #define audit_sockaddr(len, addr) ({ 0; })
 #define audit_avc_path(dentry, mnt) ({ 0; })
@@ -366,7 +374,7 @@ extern void		    audit_log_d_path(struct audit_buffer *ab,
 extern int audit_filter_user(struct netlink_skb_parms *cb, int type);
 extern int audit_filter_type(int type);
 extern int  audit_receive_filter(int type, int pid, int uid, int seq,
-                                 void *data, size_t datasz, uid_t loginuid);
+                         void *data, size_t datasz, uid_t loginuid, u32 sid);
 #else
 #define audit_log(c,g,t,f,...) do { ; } while (0)
 #define audit_log_start(c,g,t) ({ NULL; })
diff --git a/include/linux/fs_uart_pd.h b/include/linux/fs_uart_pd.h
new file mode 100644
index 000000000000..f5975126b712
--- /dev/null
+++ b/include/linux/fs_uart_pd.h
@@ -0,0 +1,60 @@
+/*
+ * Platform information definitions for the CPM Uart driver.
+ *
+ * 2006 (c) MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+#ifndef FS_UART_PD_H
+#define FS_UART_PD_H
+#include <linux/version.h>
+#include <asm/types.h>
+enum fs_uart_id {
+        fsid_smc1_uart,
+        fsid_smc2_uart,
+        fsid_scc1_uart,
+        fsid_scc2_uart,
+        fsid_scc3_uart,
+        fsid_scc4_uart,
+        fs_uart_nr,
+};
+static inline int fs_uart_id_scc2fsid(int id)
+{
+    return fsid_scc1_uart + id - 1;
+}
+static inline int fs_uart_id_fsid2scc(int id)
+{
+    return id - fsid_scc1_uart + 1;
+}
+static inline int fs_uart_id_smc2fsid(int id)
+{
+    return fsid_smc1_uart + id - 1;
+}
+static inline int fs_uart_id_fsid2smc(int id)
+{
+    return id - fsid_smc1_uart + 1;
+}
+struct fs_uart_platform_info {
+        void(*init_ioports)(void);
+        /* device specific information */
+        int fs_no;              /* controller index */
+        u32 uart_clk;
+        u8 tx_num_fifo;
+        u8 tx_buf_size;
+        u8 rx_num_fifo;
+        u8 rx_buf_size;
+        u8 brg;
+};
+#endif
diff --git a/include/linux/list.h b/include/linux/list.h
index 67258b47e9ca..76f05718342c 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -619,7 +619,7 @@ static inline void hlist_del_rcu(struct hlist_node *n)
 static inline void hlist_del_init(struct hlist_node *n)
 {
-        if (n->pprev)  {
+        if (!hlist_unhashed(n)) {
                __hlist_del(n);
                INIT_HLIST_NODE(n);
        }
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 30dd978c1ec8..991a37382a22 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -28,6 +28,7 @@ struct mmc_csd {
        unsigned short          cmdclass;
        unsigned short          tacc_clks;
        unsigned int            tacc_ns;
+        unsigned int            r2w_factor;
        unsigned int            max_dtr;
        unsigned int            read_blkbits;
        unsigned int            write_blkbits;
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 38701454e197..48cc32d83f77 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -337,6 +337,10 @@ struct compat_xt_entry_match
                        char name[XT_FUNCTION_MAXNAMELEN - 1];
                        u_int8_t revision;
                } user;
+                struct {
+                        u_int16_t match_size;
+                        compat_uptr_t match;
+                } kernel;
                u_int16_t match_size;
        } u;
        unsigned char data[0];
@@ -350,6 +354,10 @@ struct compat_xt_entry_target
                        char name[XT_FUNCTION_MAXNAMELEN - 1];
                        u_int8_t revision;
                } user;
+                struct {
+                        u_int16_t target_size;
+                        compat_uptr_t target;
+                } kernel;
                u_int16_t target_size;
        } u;
        unsigned char data[0];
diff --git a/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h b/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h
index 0bd828081c0c..c6e9a0b6d30b 100644
--- a/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h
+++ b/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h
@@ -2,7 +2,7 @@
 * ip_conntrack_helper_h323_asn1.h - BER and PER decoding library for H.323
 *                                   conntrack/NAT module.
 *
- * Copyright (c) 2006 by Jing Min Zhao <zhaojingmin@hotmail.com>
+ * Copyright (c) 2006 by Jing Min Zhao <zhaojingmin@users.sourceforge.net>
 *
 * This source code is licensed under General Public License version 2.
 *
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index f8f3d1c927f8..87b8a5703ebc 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -143,6 +143,7 @@ struct netlink_skb_parms
        __u32                   dst_group;
        kernel_cap_t            eff_cap;
        __u32                   loginuid;       /* Login (audit) uid */
+        __u32                   sid;            /* SELinux security id */
 };
 #define NETLINK_CB(skb)         (*(struct netlink_skb_parms*)&((skb)->cb))
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 0008d4bd4059..ea4f7cd7bfd8 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -5,8 +5,9 @@
 #define PIPE_BUFFERS (16)
-#define PIPE_BUF_FLAG_STOLEN    0x01
+#define PIPE_BUF_FLAG_LRU       0x01    /* page is on the LRU */
-#define PIPE_BUF_FLAG_LRU       0x02
+#define PIPE_BUF_FLAG_ATOMIC    0x02    /* was atomically mapped */
+#define PIPE_BUF_FLAG_GIFT      0x04    /* page is a gift */
 struct pipe_buffer {
        struct page *page;
@@ -15,10 +16,23 @@ struct pipe_buffer {
        unsigned int flags;
 };
+/*
+ * Note on the nesting of these functions:
+ *
+ * ->pin()
+ *      ->steal()
+ *      ...
+ *      ->map()
+ *      ...
+ *      ->unmap()
+ *
+ * That is, ->map() must be called on a pinned buffer, same goes for ->steal().
+ */
 struct pipe_buf_operations {
        int can_merge;
-        void * (*map)(struct file *, struct pipe_inode_info *, struct pipe_buffer *);
+        void * (*map)(struct pipe_inode_info *, struct pipe_buffer *, int);
-        void (*unmap)(struct pipe_inode_info *, struct pipe_buffer *);
+        void (*unmap)(struct pipe_inode_info *, struct pipe_buffer *, void *);
+        int (*pin)(struct pipe_inode_info *, struct pipe_buffer *);
        void (*release)(struct pipe_inode_info *, struct pipe_buffer *);
        int (*steal)(struct pipe_inode_info *, struct pipe_buffer *);
        void (*get)(struct pipe_inode_info *, struct pipe_buffer *);
@@ -51,6 +65,13 @@ struct pipe_inode_info * alloc_pipe_info(struct inode * inode);
 void free_pipe_info(struct inode * inode);
 void __free_pipe_info(struct pipe_inode_info *);
+/* Generic pipe buffer ops functions */
+void *generic_pipe_buf_map(struct pipe_inode_info *, struct pipe_buffer *, int);
+void generic_pipe_buf_unmap(struct pipe_inode_info *, struct pipe_buffer *, void *);
+void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
+int generic_pipe_buf_pin(struct pipe_inode_info *, struct pipe_buffer *);
+int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
 /*
 * splice is tied to pipes as a transport (at least for now), so we'll just
 * add the splice flags here.
@@ -60,6 +81,7 @@ void __free_pipe_info(struct pipe_inode_info *);
                                 /* we may still block on the fd we splice */
                                 /* from/to, of course */
 #define SPLICE_F_MORE   (0x04)  /* expect more data */
+#define SPLICE_F_GIFT   (0x08)  /* pages passed in are a gift */
 /*
 * Passed to the actors
diff --git a/include/linux/security.h b/include/linux/security.h
index aaa0a5cdbf75..1bab48f6aeac 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -869,11 +869,6 @@ struct swap_info_struct;
 *      @ipcp contains the kernel IPC permission structure
 *      @flag contains the desired (requested) permission set
 *      Return 0 if permission is granted.
- * @ipc_getsecurity:
- *      Copy the security label associated with the ipc object into
- *      @buffer.  @buffer may be NULL to request the size of the buffer 
- *      required.  @size indicates the size of @buffer in bytes. Return 
- *      number of bytes used/required on success.
 *
 * Security hooks for individual messages held in System V IPC message queues
 * @msg_msg_alloc_security:
@@ -1223,7 +1218,6 @@ struct security_operations {
        void (*task_to_inode)(struct task_struct *p, struct inode *inode);
        int (*ipc_permission) (struct kern_ipc_perm * ipcp, short flag);
-        int (*ipc_getsecurity)(struct kern_ipc_perm *ipcp, void *buffer, size_t size);
        int (*msg_msg_alloc_security) (struct msg_msg * msg);
        void (*msg_msg_free_security) (struct msg_msg * msg);
@@ -1887,11 +1881,6 @@ static inline int security_ipc_permission (struct kern_ipc_perm *ipcp,
        return security_ops->ipc_permission (ipcp, flag);
 }
-static inline int security_ipc_getsecurity(struct kern_ipc_perm *ipcp, void *buffer, size_t size)
-{
-        return security_ops->ipc_getsecurity(ipcp, buffer, size);
-}
 static inline int security_msg_msg_alloc (struct msg_msg * msg)
 {
        return security_ops->msg_msg_alloc_security (msg);
@@ -2532,11 +2521,6 @@ static inline int security_ipc_permission (struct kern_ipc_perm *ipcp,
        return 0;
 }
-static inline int security_ipc_getsecurity(struct kern_ipc_perm *ipcp, void *buffer, size_t size)
-{
-        return -EOPNOTSUPP;
-}
 static inline int security_msg_msg_alloc (struct msg_msg * msg)
 {
        return 0;
diff --git a/include/linux/selinux.h b/include/linux/selinux.h
new file mode 100644
index 000000000000..4047bcde4484
--- /dev/null
+++ b/include/linux/selinux.h
@@ -0,0 +1,177 @@
+/*
+ * SELinux services exported to the rest of the kernel.
+ *
+ * Author: James Morris <jmorris@redhat.com>
+ *
+ * Copyright (C) 2005 Red Hat, Inc., James Morris <jmorris@redhat.com>
+ * Copyright (C) 2006 Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
+ * Copyright (C) 2006 IBM Corporation, Timothy R. Chavez <tinytim@us.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ */
+#ifndef _LINUX_SELINUX_H
+#define _LINUX_SELINUX_H
+struct selinux_audit_rule;
+struct audit_context;
+struct inode;
+struct kern_ipc_perm;
+#ifdef CONFIG_SECURITY_SELINUX
+/**
+ *      selinux_audit_rule_init - alloc/init an selinux audit rule structure.
+ *      @field: the field this rule refers to
+ *      @op: the operater the rule uses
+ *      @rulestr: the text "target" of the rule
+ *      @rule: pointer to the new rule structure returned via this
+ *
+ *      Returns 0 if successful, -errno if not.  On success, the rule structure
+ *      will be allocated internally.  The caller must free this structure with
+ *      selinux_audit_rule_free() after use.
+ */
+int selinux_audit_rule_init(u32 field, u32 op, char *rulestr,
+                            struct selinux_audit_rule **rule);
+/**
+ *      selinux_audit_rule_free - free an selinux audit rule structure.
+ *      @rule: pointer to the audit rule to be freed
+ *
+ *      This will free all memory associated with the given rule.
+ *      If @rule is NULL, no operation is performed.
+ */
+void selinux_audit_rule_free(struct selinux_audit_rule *rule);
+/**
+ *      selinux_audit_rule_match - determine if a context ID matches a rule.
+ *      @ctxid: the context ID to check
+ *      @field: the field this rule refers to
+ *      @op: the operater the rule uses
+ *      @rule: pointer to the audit rule to check against
+ *      @actx: the audit context (can be NULL) associated with the check
+ *
+ *      Returns 1 if the context id matches the rule, 0 if it does not, and
+ *      -errno on failure.
+ */
+int selinux_audit_rule_match(u32 ctxid, u32 field, u32 op,
+                             struct selinux_audit_rule *rule,
+                             struct audit_context *actx);
+/**
+ *      selinux_audit_set_callback - set the callback for policy reloads.
+ *      @callback: the function to call when the policy is reloaded
+ *
+ *      This sets the function callback function that will update the rules
+ *      upon policy reloads.  This callback should rebuild all existing rules
+ *      using selinux_audit_rule_init().
+ */
+void selinux_audit_set_callback(int (*callback)(void));
+/**
+ *      selinux_task_ctxid - determine a context ID for a process.
+ *      @tsk: the task object
+ *      @ctxid: ID value returned via this
+ *
+ *      On return, ctxid will contain an ID for the context.  This value
+ *      should only be used opaquely.
+ */
+void selinux_task_ctxid(struct task_struct *tsk, u32 *ctxid);
+/**
+ *     selinux_ctxid_to_string - map a security context ID to a string
+ *     @ctxid: security context ID to be converted.
+ *     @ctx: address of context string to be returned
+ *     @ctxlen: length of returned context string.
+ *
+ *     Returns 0 if successful, -errno if not.  On success, the context
+ *     string will be allocated internally, and the caller must call
+ *     kfree() on it after use.
+ */
+int selinux_ctxid_to_string(u32 ctxid, char **ctx, u32 *ctxlen);
+/**
+ *     selinux_get_inode_sid - get the inode's security context ID
+ *     @inode: inode structure to get the sid from.
+ *     @sid: pointer to security context ID to be filled in.
+ *
+ *     Returns nothing
+ */
+void selinux_get_inode_sid(const struct inode *inode, u32 *sid);
+/**
+ *     selinux_get_ipc_sid - get the ipc security context ID
+ *     @ipcp: ipc structure to get the sid from.
+ *     @sid: pointer to security context ID to be filled in.
+ *
+ *     Returns nothing
+ */
+void selinux_get_ipc_sid(const struct kern_ipc_perm *ipcp, u32 *sid);
+/**
+ *     selinux_get_task_sid - return the SID of task
+ *     @tsk: the task whose SID will be returned
+ *     @sid: pointer to security context ID to be filled in.
+ *
+ *     Returns nothing
+ */
+void selinux_get_task_sid(struct task_struct *tsk, u32 *sid);
+#else
+static inline int selinux_audit_rule_init(u32 field, u32 op,
+                                          char *rulestr,
+                                          struct selinux_audit_rule **rule)
+{
+        return -ENOTSUPP;
+}
+static inline void selinux_audit_rule_free(struct selinux_audit_rule *rule)
+{
+        return;
+}
+static inline int selinux_audit_rule_match(u32 ctxid, u32 field, u32 op,
+                                           struct selinux_audit_rule *rule,
+                                           struct audit_context *actx)
+{
+        return 0;
+}
+static inline void selinux_audit_set_callback(int (*callback)(void))
+{
+        return;
+}
+static inline void selinux_task_ctxid(struct task_struct *tsk, u32 *ctxid)
+{
+        *ctxid = 0;
+}
+static inline int selinux_ctxid_to_string(u32 ctxid, char **ctx, u32 *ctxlen)
+{
+       *ctx = NULL;
+       *ctxlen = 0;
+       return 0;
+}
+static inline void selinux_get_inode_sid(const struct inode *inode, u32 *sid)
+{
+        *sid = 0;
+}
+static inline void selinux_get_ipc_sid(const struct kern_ipc_perm *ipcp, u32 *sid)
+{
+        *sid = 0;
+}
+static inline void selinux_get_task_sid(struct task_struct *tsk, u32 *sid)
+{
+        *sid = 0;
+}
+#endif  /* CONFIG_SECURITY_SELINUX */
+#endif /* _LINUX_SELINUX_H */
diff --git a/include/net/ax25.h b/include/net/ax25.h
index b74945288dfc..7cd528e9d668 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -144,14 +144,14 @@ enum {
 #define AX25_DEF_CONMODE        2                       /* Connected mode allowed */
 #define AX25_DEF_WINDOW         2                       /* Window=2 */
 #define AX25_DEF_EWINDOW        32                      /* Module-128 Window=32 */
-#define AX25_DEF_T1             (10 * HZ)               /* T1=10s */
+#define AX25_DEF_T1             10000                   /* T1=10s */
-#define AX25_DEF_T2             (3 * HZ)                /* T2=3s  */
+#define AX25_DEF_T2             3000                    /* T2=3s  */
-#define AX25_DEF_T3             (300 * HZ)              /* T3=300s */
+#define AX25_DEF_T3             300000                  /* T3=300s */
 #define AX25_DEF_N2             10                      /* N2=10 */
-#define AX25_DEF_IDLE           (0 * 60 * HZ)           /* Idle=None */
+#define AX25_DEF_IDLE           0                       /* Idle=None */
 #define AX25_DEF_PACLEN         256                     /* Paclen=256 */
 #define AX25_DEF_PROTOCOL       AX25_PROTO_STD_SIMPLEX  /* Standard AX.25 */
-#define AX25_DEF_DS_TIMEOUT     (3 * 60 * HZ)           /* DAMA timeout 3 minutes */
+#define AX25_DEF_DS_TIMEOUT     180000                  /* DAMA timeout 3 minutes */
 typedef struct ax25_uid_assoc {
        struct hlist_node       uid_node;
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 519d3a077c62..600cb543550d 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -149,7 +149,7 @@ static inline void inet_twsk_add_bind_node(struct inet_timewait_sock *tw,
 static inline int inet_twsk_dead_hashed(const struct inet_timewait_sock *tw)
 {
-        return tw->tw_death_node.pprev != NULL;
+        return !hlist_unhashed(&tw->tw_death_node);
 }
 static inline void inet_twsk_dead_node_init(struct inet_timewait_sock *tw)
diff --git a/include/net/netrom.h b/include/net/netrom.h
index a5ee53bce62f..e0ca112024a3 100644
--- a/include/net/netrom.h
+++ b/include/net/netrom.h
@@ -42,11 +42,11 @@ enum {
 #define NR_COND_PEER_RX_BUSY            0x04
 #define NR_COND_OWN_RX_BUSY             0x08
-#define NR_DEFAULT_T1                   (120 * HZ)      /* Outstanding frames - 120 seconds */
+#define NR_DEFAULT_T1                   120000          /* Outstanding frames - 120 seconds */
-#define NR_DEFAULT_T2                   (5   * HZ)      /* Response delay     - 5 seconds */
+#define NR_DEFAULT_T2                   5000            /* Response delay     - 5 seconds */
 #define NR_DEFAULT_N2                   3               /* Number of Retries - 3 */
-#define NR_DEFAULT_T4                   (180 * HZ)      /* Busy Delay - 180 seconds */
+#define NR_DEFAULT_T4                   180000          /* Busy Delay - 180 seconds */
-#define NR_DEFAULT_IDLE                 (0 * 60 * HZ)   /* No Activity Timeout - none */
+#define NR_DEFAULT_IDLE                 0               /* No Activity Timeout - none */
 #define NR_DEFAULT_WINDOW               4               /* Default Window Size - 4 */
 #define NR_DEFAULT_OBS                  6               /* Default Obsolescence Count - 6 */
 #define NR_DEFAULT_QUAL                 10              /* Default Neighbour Quality - 10 */
diff --git a/include/net/rose.h b/include/net/rose.h
index 3249b979605a..012b09ed2401 100644
--- a/include/net/rose.h
+++ b/include/net/rose.h
@@ -49,14 +49,14 @@ enum {
        ROSE_STATE_5                    /* Deferred Call Acceptance */
 };
-#define ROSE_DEFAULT_T0                 (180 * HZ)      /* Default T10 T20 value */
+#define ROSE_DEFAULT_T0                 180000          /* Default T10 T20 value */
-#define ROSE_DEFAULT_T1                 (200 * HZ)      /* Default T11 T21 value */
+#define ROSE_DEFAULT_T1                 200000          /* Default T11 T21 value */
-#define ROSE_DEFAULT_T2                 (180 * HZ)      /* Default T12 T22 value */
+#define ROSE_DEFAULT_T2                 180000          /* Default T12 T22 value */
-#define ROSE_DEFAULT_T3                 (180 * HZ)      /* Default T13 T23 value */
+#define ROSE_DEFAULT_T3                 180000          /* Default T13 T23 value */
-#define ROSE_DEFAULT_HB                 (5 * HZ)        /* Default Holdback value */
+#define ROSE_DEFAULT_HB                 5000            /* Default Holdback value */
-#define ROSE_DEFAULT_IDLE               (0 * 60 * HZ)   /* No Activity Timeout - none */
+#define ROSE_DEFAULT_IDLE               0               /* No Activity Timeout - none */
 #define ROSE_DEFAULT_ROUTING            1               /* Default routing flag */
-#define ROSE_DEFAULT_FAIL_TIMEOUT       (120 * HZ)      /* Time until link considered usable */
+#define ROSE_DEFAULT_FAIL_TIMEOUT       120000          /* Time until link considered usable */
 #define ROSE_DEFAULT_MAXVC              50              /* Maximum number of VCs per neighbour */
 #define ROSE_DEFAULT_WINDOW_SIZE        7               /* Default window size */
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index eba99f375517..7f4fea173fb1 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -712,6 +712,7 @@ struct sctp_chunk {
        __u8 tsn_gap_acked;     /* Is this chunk acked by a GAP ACK? */
        __s8 fast_retransmit;    /* Is this chunk fast retransmitted? */
        __u8 tsn_missing_report; /* Data chunk missing counter. */
+        __u8 data_accepted;     /* At least 1 chunk in this packet accepted */
 };
 void sctp_chunk_hold(struct sctp_chunk *);
diff --git a/include/net/sock.h b/include/net/sock.h
index d8a5d87ad145..d27e748a8259 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -278,7 +278,7 @@ static inline int sk_unhashed(const struct sock *sk)
 static inline int sk_hashed(const struct sock *sk)
 {
-        return sk->sk_node.pprev != NULL;
+        return !sk_unhashed(sk);
 }
 static __inline__ void sk_node_init(struct hlist_node *node)
diff --git a/init/main.c b/init/main.c
index 4a2f0898dda1..f715b9b89753 100644
--- a/init/main.c
+++ b/init/main.c
@@ -582,7 +582,7 @@ static void __init do_initcalls(void)
                result = (*call)();
-                if (result && (result != -ENODEV || initcall_debug)) {
+                if (result && result != -ENODEV && initcall_debug) {
                        sprintf(msgbuf, "error code %d", result);
                        msg = msgbuf;
                }
diff --git a/ipc/msg.c b/ipc/msg.c
index 48a7f17a7236..7d1340ccb16b 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -13,6 +13,9 @@
 * mostly rewritten, threaded and wake-one semantics added
 * MSGMAX limit removed, sysctl's added
 * (c) 1999 Manfred Spraul <manfred@colorfullife.com>
+ *
+ * support for audit of ipc object properties and permission changes
+ * Dustin Kirkland <dustin.kirkland@us.ibm.com>
 */
 #include <linux/capability.h>
@@ -447,6 +450,11 @@ asmlinkage long sys_msgctl (int msqid, int cmd, struct msqid_ds __user *buf)
        if (msg_checkid(msq,msqid))
                goto out_unlock_up;
        ipcp = &msq->q_perm;
+        err = audit_ipc_obj(ipcp);
+        if (err)
+                goto out_unlock_up;
        err = -EPERM;
        if (current->euid != ipcp->cuid && 
            current->euid != ipcp->uid && !capable(CAP_SYS_ADMIN))
@@ -460,7 +468,8 @@ asmlinkage long sys_msgctl (int msqid, int cmd, struct msqid_ds __user *buf)
        switch (cmd) {
        case IPC_SET:
        {
-                if ((err = audit_ipc_perms(setbuf.qbytes, setbuf.uid, setbuf.gid, setbuf.mode, ipcp)))
+                err = audit_ipc_set_perm(setbuf.qbytes, setbuf.uid, setbuf.gid, setbuf.mode, ipcp);
+                if (err)
                        goto out_unlock_up;
                err = -EPERM;
diff --git a/ipc/sem.c b/ipc/sem.c
index 642659cd596b..7919f8ece6ba 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -61,6 +61,9 @@
 * (c) 2001 Red Hat Inc <alan@redhat.com>
 * Lockless wakeup
 * (c) 2003 Manfred Spraul <manfred@colorfullife.com>
+ *
+ * support for audit of ipc object properties and permission changes
+ * Dustin Kirkland <dustin.kirkland@us.ibm.com>
 */
 #include <linux/config.h>
@@ -820,6 +823,11 @@ static int semctl_down(int semid, int semnum, int cmd, int version, union semun
                goto out_unlock;
        }       
        ipcp = &sma->sem_perm;
+        err = audit_ipc_obj(ipcp);
+        if (err)
+                goto out_unlock;
        if (current->euid != ipcp->cuid && 
            current->euid != ipcp->uid && !capable(CAP_SYS_ADMIN)) {
                err=-EPERM;
@@ -836,7 +844,8 @@ static int semctl_down(int semid, int semnum, int cmd, int version, union semun
                err = 0;
                break;
        case IPC_SET:
-                if ((err = audit_ipc_perms(0, setbuf.uid, setbuf.gid, setbuf.mode, ipcp)))
+                err = audit_ipc_set_perm(0, setbuf.uid, setbuf.gid, setbuf.mode, ipcp);
+                if (err)
                        goto out_unlock;
                ipcp->uid = setbuf.uid;
                ipcp->gid = setbuf.gid;
diff --git a/ipc/shm.c b/ipc/shm.c
index 1c2faf62bc73..809896851902 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -13,6 +13,8 @@
 * Shared /dev/zero support, Kanoj Sarcar <kanoj@sgi.com>
 * Move the mm functionality over to mm/shmem.c, Christoph Rohland <cr@sap.com>
 *
+ * support for audit of ipc object properties and permission changes
+ * Dustin Kirkland <dustin.kirkland@us.ibm.com>
 */
 #include <linux/config.h>
@@ -542,6 +544,10 @@ asmlinkage long sys_shmctl (int shmid, int cmd, struct shmid_ds __user *buf)
                if(err)
                        goto out_unlock;
+                err = audit_ipc_obj(&(shp->shm_perm));
+                if (err)
+                        goto out_unlock;
                if (!capable(CAP_IPC_LOCK)) {
                        err = -EPERM;
                        if (current->euid != shp->shm_perm.uid &&
@@ -594,6 +600,10 @@ asmlinkage long sys_shmctl (int shmid, int cmd, struct shmid_ds __user *buf)
                if(err)
                        goto out_unlock_up;
+                err = audit_ipc_obj(&(shp->shm_perm));
+                if (err)
+                        goto out_unlock_up;
                if (current->euid != shp->shm_perm.uid &&
                    current->euid != shp->shm_perm.cuid && 
                    !capable(CAP_SYS_ADMIN)) {
@@ -627,12 +637,15 @@ asmlinkage long sys_shmctl (int shmid, int cmd, struct shmid_ds __user *buf)
                err=-EINVAL;
                if(shp==NULL)
                        goto out_up;
-                if ((err = audit_ipc_perms(0, setbuf.uid, setbuf.gid,
-                                        setbuf.mode, &(shp->shm_perm))))
-                        goto out_unlock_up;
                err = shm_checkid(shp,shmid);
                if(err)
                        goto out_unlock_up;
+                err = audit_ipc_obj(&(shp->shm_perm));
+                if (err)
+                        goto out_unlock_up;
+                err = audit_ipc_set_perm(0, setbuf.uid, setbuf.gid, setbuf.mode, &(shp->shm_perm));
+                if (err)
+                        goto out_unlock_up;
                err=-EPERM;
                if (current->euid != shp->shm_perm.uid &&
                    current->euid != shp->shm_perm.cuid && 
diff --git a/ipc/util.c b/ipc/util.c
index b3dcfad3b4f7..8193299f45f6 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -10,6 +10,8 @@
 *            Manfred Spraul <manfred@colorfullife.com>
 * Oct 2002 - One lock per IPC id. RCU ipc_free for lock-free grow_ary().
 *            Mingming Cao <cmm@us.ibm.com>
+ * Mar 2006 - support for audit of ipc object properties
+ *            Dustin Kirkland <dustin.kirkland@us.ibm.com>
 */
 #include <linux/config.h>
@@ -27,6 +29,7 @@
 #include <linux/workqueue.h>
 #include <linux/seq_file.h>
 #include <linux/proc_fs.h>
+#include <linux/audit.h>
 #include <asm/unistd.h>
@@ -464,8 +467,10 @@ void ipc_rcu_putref(void *ptr)
 
 int ipcperms (struct kern_ipc_perm *ipcp, short flag)
 {       /* flag will most probably be 0 or S_...UGO from <linux/stat.h> */
-        int requested_mode, granted_mode;
+        int requested_mode, granted_mode, err;
+        if (unlikely((err = audit_ipc_obj(ipcp))))
+                return err;
        requested_mode = (flag >> 6) | (flag >> 3) | flag;
        granted_mode = ipcp->mode;
        if (current->euid == ipcp->cuid || current->euid == ipcp->uid)
diff --git a/kernel/audit.c b/kernel/audit.c
index c8ccbd09048f..df57b493e1cb 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -55,6 +55,9 @@
 #include <net/netlink.h>
 #include <linux/skbuff.h>
 #include <linux/netlink.h>
+#include <linux/selinux.h>
+#include "audit.h"
 /* No auditing will take place until audit_initialized != 0.
 * (Initialization happens after skb_init is called.) */
@@ -227,49 +230,103 @@ void audit_log_lost(const char *message)
        }
 }
-static int audit_set_rate_limit(int limit, uid_t loginuid)
+static int audit_set_rate_limit(int limit, uid_t loginuid, u32 sid)
 {
-        int old          = audit_rate_limit;
+        int old = audit_rate_limit;
-        audit_rate_limit = limit;
-        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE, 
+        if (sid) {
+                char *ctx = NULL;
+                u32 len;
+                int rc;
+                if ((rc = selinux_ctxid_to_string(sid, &ctx, &len)))
+                        return rc;
+                else
+                        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                                "audit_rate_limit=%d old=%d by auid=%u subj=%s",
+                                limit, old, loginuid, ctx);
+                kfree(ctx);
+        } else
+                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
                        "audit_rate_limit=%d old=%d by auid=%u",
-                        audit_rate_limit, old, loginuid);
+                        limit, old, loginuid);
+        audit_rate_limit = limit;
        return old;
 }
-static int audit_set_backlog_limit(int limit, uid_t loginuid)
+static int audit_set_backlog_limit(int limit, uid_t loginuid, u32 sid)
 {
-        int old          = audit_backlog_limit;
+        int old = audit_backlog_limit;
-        audit_backlog_limit = limit;
-        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+        if (sid) {
+                char *ctx = NULL;
+                u32 len;
+                int rc;
+                if ((rc = selinux_ctxid_to_string(sid, &ctx, &len)))
+                        return rc;
+                else
+                        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                            "audit_backlog_limit=%d old=%d by auid=%u subj=%s",
+                                limit, old, loginuid, ctx);
+                kfree(ctx);
+        } else
+                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
                        "audit_backlog_limit=%d old=%d by auid=%u",
-                        audit_backlog_limit, old, loginuid);
+                        limit, old, loginuid);
+        audit_backlog_limit = limit;
        return old;
 }
-static int audit_set_enabled(int state, uid_t loginuid)
+static int audit_set_enabled(int state, uid_t loginuid, u32 sid)
 {
-        int old          = audit_enabled;
+        int old = audit_enabled;
        if (state != 0 && state != 1)
                return -EINVAL;
-        audit_enabled = state;
-        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+        if (sid) {
+                char *ctx = NULL;
+                u32 len;
+                int rc;
+                if ((rc = selinux_ctxid_to_string(sid, &ctx, &len)))
+                        return rc;
+                else
+                        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                                "audit_enabled=%d old=%d by auid=%u subj=%s",
+                                state, old, loginuid, ctx);
+                kfree(ctx);
+        } else
+                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
                        "audit_enabled=%d old=%d by auid=%u",
-                        audit_enabled, old, loginuid);
+                        state, old, loginuid);
+        audit_enabled = state;
        return old;
 }
-static int audit_set_failure(int state, uid_t loginuid)
+static int audit_set_failure(int state, uid_t loginuid, u32 sid)
 {
-        int old          = audit_failure;
+        int old = audit_failure;
        if (state != AUDIT_FAIL_SILENT
            && state != AUDIT_FAIL_PRINTK
            && state != AUDIT_FAIL_PANIC)
                return -EINVAL;
-        audit_failure = state;
-        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+        if (sid) {
+                char *ctx = NULL;
+                u32 len;
+                int rc;
+                if ((rc = selinux_ctxid_to_string(sid, &ctx, &len)))
+                        return rc;
+                else
+                        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                                "audit_failure=%d old=%d by auid=%u subj=%s",
+                                state, old, loginuid, ctx);
+                kfree(ctx);
+        } else
+                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
                        "audit_failure=%d old=%d by auid=%u",
-                        audit_failure, old, loginuid);
+                        state, old, loginuid);
+        audit_failure = state;
        return old;
 }
@@ -387,7 +444,7 @@ static int audit_netlink_ok(kernel_cap_t eff_cap, u16 msg_type)
 static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 {
-        u32                     uid, pid, seq;
+        u32                     uid, pid, seq, sid;
        void                    *data;
        struct audit_status     *status_get, status_set;
        int                     err;
@@ -413,6 +470,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
        pid  = NETLINK_CREDS(skb)->pid;
        uid  = NETLINK_CREDS(skb)->uid;
        loginuid = NETLINK_CB(skb).loginuid;
+        sid  = NETLINK_CB(skb).sid;
        seq  = nlh->nlmsg_seq;
        data = NLMSG_DATA(nlh);
@@ -433,25 +491,43 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                        return -EINVAL;
                status_get   = (struct audit_status *)data;
                if (status_get->mask & AUDIT_STATUS_ENABLED) {
-                        err = audit_set_enabled(status_get->enabled, loginuid);
+                        err = audit_set_enabled(status_get->enabled,
+                                                        loginuid, sid);
                        if (err < 0) return err;
                }
                if (status_get->mask & AUDIT_STATUS_FAILURE) {
-                        err = audit_set_failure(status_get->failure, loginuid);
+                        err = audit_set_failure(status_get->failure,
+                                                         loginuid, sid);
                        if (err < 0) return err;
                }
                if (status_get->mask & AUDIT_STATUS_PID) {
                        int old   = audit_pid;
+                        if (sid) {
+                                char *ctx = NULL;
+                                u32 len;
+                                int rc;
+                                if ((rc = selinux_ctxid_to_string(
+                                                sid, &ctx, &len)))
+                                        return rc;
+                                else
+                                        audit_log(NULL, GFP_KERNEL,
+                                                AUDIT_CONFIG_CHANGE,
+                                                "audit_pid=%d old=%d by auid=%u subj=%s",
+                                                status_get->pid, old,
+                                                loginuid, ctx);
+                                kfree(ctx);
+                        } else
+                                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                                        "audit_pid=%d old=%d by auid=%u",
+                                          status_get->pid, old, loginuid);
                        audit_pid = status_get->pid;
-                        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
-                                "audit_pid=%d old=%d by auid=%u",
-                                  audit_pid, old, loginuid);
                }
                if (status_get->mask & AUDIT_STATUS_RATE_LIMIT)
-                        audit_set_rate_limit(status_get->rate_limit, loginuid);
+                        audit_set_rate_limit(status_get->rate_limit,
+                                                         loginuid, sid);
                if (status_get->mask & AUDIT_STATUS_BACKLOG_LIMIT)
                        audit_set_backlog_limit(status_get->backlog_limit,
-                                                        loginuid);
+                                                        loginuid, sid);
                break;
        case AUDIT_USER:
        case AUDIT_FIRST_USER_MSG...AUDIT_LAST_USER_MSG:
@@ -465,8 +541,23 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                        ab = audit_log_start(NULL, GFP_KERNEL, msg_type);
                        if (ab) {
                                audit_log_format(ab,
-                                                 "user pid=%d uid=%u auid=%u msg='%.1024s'",
+                                                 "user pid=%d uid=%u auid=%u",
-                                                 pid, uid, loginuid, (char *)data);
+                                                 pid, uid, loginuid);
+                                if (sid) {
+                                        char *ctx = NULL;
+                                        u32 len;
+                                        if (selinux_ctxid_to_string(
+                                                        sid, &ctx, &len)) {
+                                                audit_log_format(ab, 
+                                                        " ssid=%u", sid);
+                                                /* Maybe call audit_panic? */
+                                        } else
+                                                audit_log_format(ab, 
+                                                        " subj=%s", ctx);
+                                        kfree(ctx);
+                                }
+                                audit_log_format(ab, " msg='%.1024s'",
+                                         (char *)data);
                                audit_set_pid(ab, pid);
                                audit_log_end(ab);
                        }
@@ -480,7 +571,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
        case AUDIT_LIST:
                err = audit_receive_filter(nlh->nlmsg_type, NETLINK_CB(skb).pid,
                                           uid, seq, data, nlmsg_len(nlh),
-                                           loginuid);
+                                           loginuid, sid);
                break;
        case AUDIT_ADD_RULE:
        case AUDIT_DEL_RULE:
@@ -490,7 +581,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
        case AUDIT_LIST_RULES:
                err = audit_receive_filter(nlh->nlmsg_type, NETLINK_CB(skb).pid,
                                           uid, seq, data, nlmsg_len(nlh),
-                                           loginuid);
+                                           loginuid, sid);
                break;
        case AUDIT_SIGNAL_INFO:
                sig_data.uid = audit_sig_uid;
@@ -564,6 +655,11 @@ static int __init audit_init(void)
        skb_queue_head_init(&audit_skb_queue);
        audit_initialized = 1;
        audit_enabled = audit_default;
+        /* Register the callback with selinux.  This callback will be invoked
+         * when a new policy is loaded. */
+        selinux_audit_set_callback(&selinux_audit_rule_update);
        audit_log(NULL, GFP_KERNEL, AUDIT_KERNEL, "initialized");
        return 0;
 }
diff --git a/kernel/audit.h b/kernel/audit.h
index bc5392076e2b..6f733920fd32 100644
--- a/kernel/audit.h
+++ b/kernel/audit.h
@@ -54,9 +54,11 @@ enum audit_state {
 /* Rule lists */
 struct audit_field {
-        u32                     type;
+        u32                             type;
-        u32                     val;
+        u32                             val;
-        u32                     op;
+        u32                             op;
+        char                            *se_str;
+        struct selinux_audit_rule       *se_rule;
 };
 struct audit_krule {
@@ -86,3 +88,5 @@ extern void		    audit_send_reply(int pid, int seq, int type,
 extern void                 audit_log_lost(const char *message);
 extern void                 audit_panic(const char *message);
 extern struct mutex audit_netlink_mutex;
+extern int selinux_audit_rule_update(void);
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index d3a8539f3a83..7c134906d689 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -23,6 +23,7 @@
 #include <linux/audit.h>
 #include <linux/kthread.h>
 #include <linux/netlink.h>
+#include <linux/selinux.h>
 #include "audit.h"
 /* There are three lists of rules -- one to search at task creation
@@ -42,6 +43,13 @@ struct list_head audit_filter_list[AUDIT_NR_FILTERS] = {
 static inline void audit_free_rule(struct audit_entry *e)
 {
+        int i;
+        if (e->rule.fields)
+                for (i = 0; i < e->rule.field_count; i++) {
+                        struct audit_field *f = &e->rule.fields[i];
+                        kfree(f->se_str);
+                        selinux_audit_rule_free(f->se_rule);
+                }
        kfree(e->rule.fields);
        kfree(e);
 }
@@ -52,9 +60,29 @@ static inline void audit_free_rule_rcu(struct rcu_head *head)
        audit_free_rule(e);
 }
+/* Initialize an audit filterlist entry. */
+static inline struct audit_entry *audit_init_entry(u32 field_count)
+{
+        struct audit_entry *entry;
+        struct audit_field *fields;
+        entry = kzalloc(sizeof(*entry), GFP_KERNEL);
+        if (unlikely(!entry))
+                return NULL;
+        fields = kzalloc(sizeof(*fields) * field_count, GFP_KERNEL);
+        if (unlikely(!fields)) {
+                kfree(entry);
+                return NULL;
+        }
+        entry->rule.fields = fields;
+        return entry;
+}
 /* Unpack a filter field's string representation from user-space
 * buffer. */
-static __attribute__((unused)) char *audit_unpack_string(void **bufp, size_t *remain, size_t len)
+static char *audit_unpack_string(void **bufp, size_t *remain, size_t len)
 {
        char *str;
@@ -84,7 +112,6 @@ static inline struct audit_entry *audit_to_entry_common(struct audit_rule *rule)
 {
        unsigned listnr;
        struct audit_entry *entry;
-        struct audit_field *fields;
        int i, err;
        err = -EINVAL;
@@ -108,23 +135,14 @@ static inline struct audit_entry *audit_to_entry_common(struct audit_rule *rule)
                goto exit_err;
        err = -ENOMEM;
-        entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+        entry = audit_init_entry(rule->field_count);
-        if (unlikely(!entry))
+        if (!entry)
-                goto exit_err;
-        fields = kmalloc(sizeof(*fields) * rule->field_count, GFP_KERNEL);
-        if (unlikely(!fields)) {
-                kfree(entry);
                goto exit_err;
-        }
-        memset(&entry->rule, 0, sizeof(struct audit_krule));
-        memset(fields, 0, sizeof(struct audit_field));
        entry->rule.flags = rule->flags & AUDIT_FILTER_PREPEND;
        entry->rule.listnr = listnr;
        entry->rule.action = rule->action;
        entry->rule.field_count = rule->field_count;
-        entry->rule.fields = fields;
        for (i = 0; i < AUDIT_BITMASK_SIZE; i++)
                entry->rule.mask[i] = rule->mask[i];
@@ -150,15 +168,20 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule)
        for (i = 0; i < rule->field_count; i++) {
                struct audit_field *f = &entry->rule.fields[i];
-                if (rule->fields[i] & AUDIT_UNUSED_BITS) {
-                        err = -EINVAL;
-                        goto exit_free;
-                }
                f->op = rule->fields[i] & (AUDIT_NEGATE|AUDIT_OPERATORS);
                f->type = rule->fields[i] & ~(AUDIT_NEGATE|AUDIT_OPERATORS);
                f->val = rule->values[i];
+                if (f->type & AUDIT_UNUSED_BITS ||
+                    f->type == AUDIT_SE_USER ||
+                    f->type == AUDIT_SE_ROLE ||
+                    f->type == AUDIT_SE_TYPE ||
+                    f->type == AUDIT_SE_SEN ||
+                    f->type == AUDIT_SE_CLR) {
+                        err = -EINVAL;
+                        goto exit_free;
+                }
                entry->rule.vers_ops = (f->op & AUDIT_OPERATORS) ? 2 : 1;
                /* Support for legacy operators where
@@ -188,8 +211,9 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
        int err = 0;
        struct audit_entry *entry;
        void *bufp;
-        /* size_t remain = datasz - sizeof(struct audit_rule_data); */
+        size_t remain = datasz - sizeof(struct audit_rule_data);
        int i;
+        char *str;
        entry = audit_to_entry_common((struct audit_rule *)data);
        if (IS_ERR(entry))
@@ -207,10 +231,35 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
                f->op = data->fieldflags[i] & AUDIT_OPERATORS;
                f->type = data->fields[i];
+                f->val = data->values[i];
+                f->se_str = NULL;
+                f->se_rule = NULL;
                switch(f->type) {
-                /* call type-specific conversion routines here */
+                case AUDIT_SE_USER:
-                default:
+                case AUDIT_SE_ROLE:
-                        f->val = data->values[i];
+                case AUDIT_SE_TYPE:
+                case AUDIT_SE_SEN:
+                case AUDIT_SE_CLR:
+                        str = audit_unpack_string(&bufp, &remain, f->val);
+                        if (IS_ERR(str))
+                                goto exit_free;
+                        entry->rule.buflen += f->val;
+                        err = selinux_audit_rule_init(f->type, f->op, str,
+                                                      &f->se_rule);
+                        /* Keep currently invalid fields around in case they
+                         * become valid after a policy reload. */
+                        if (err == -EINVAL) {
+                                printk(KERN_WARNING "audit rule for selinux "
+                                       "\'%s\' is invalid\n",  str);
+                                err = 0;
+                        }
+                        if (err) {
+                                kfree(str);
+                                goto exit_free;
+                        } else
+                                f->se_str = str;
+                        break;
                }
        }
@@ -286,7 +335,14 @@ static struct audit_rule_data *audit_krule_to_data(struct audit_krule *krule)
                data->fields[i] = f->type;
                data->fieldflags[i] = f->op;
                switch(f->type) {
-                /* call type-specific conversion routines here */
+                case AUDIT_SE_USER:
+                case AUDIT_SE_ROLE:
+                case AUDIT_SE_TYPE:
+                case AUDIT_SE_SEN:
+                case AUDIT_SE_CLR:
+                        data->buflen += data->values[i] =
+                                audit_pack_string(&bufp, f->se_str);
+                        break;
                default:
                        data->values[i] = f->val;
                }
@@ -314,7 +370,14 @@ static int audit_compare_rule(struct audit_krule *a, struct audit_krule *b)
                        return 1;
                switch(a->fields[i].type) {
-                /* call type-specific comparison routines here */
+                case AUDIT_SE_USER:
+                case AUDIT_SE_ROLE:
+                case AUDIT_SE_TYPE:
+                case AUDIT_SE_SEN:
+                case AUDIT_SE_CLR:
+                        if (strcmp(a->fields[i].se_str, b->fields[i].se_str))
+                                return 1;
+                        break;
                default:
                        if (a->fields[i].val != b->fields[i].val)
                                return 1;
@@ -328,6 +391,81 @@ static int audit_compare_rule(struct audit_krule *a, struct audit_krule *b)
        return 0;
 }
+/* Duplicate selinux field information.  The se_rule is opaque, so must be
+ * re-initialized. */
+static inline int audit_dupe_selinux_field(struct audit_field *df,
+                                           struct audit_field *sf)
+{
+        int ret = 0;
+        char *se_str;
+        /* our own copy of se_str */
+        se_str = kstrdup(sf->se_str, GFP_KERNEL);
+        if (unlikely(IS_ERR(se_str)))
+            return -ENOMEM;
+        df->se_str = se_str;
+        /* our own (refreshed) copy of se_rule */
+        ret = selinux_audit_rule_init(df->type, df->op, df->se_str,
+                                      &df->se_rule);
+        /* Keep currently invalid fields around in case they
+         * become valid after a policy reload. */
+        if (ret == -EINVAL) {
+                printk(KERN_WARNING "audit rule for selinux \'%s\' is "
+                       "invalid\n", df->se_str);
+                ret = 0;
+        }
+        return ret;
+}
+/* Duplicate an audit rule.  This will be a deep copy with the exception
+ * of the watch - that pointer is carried over.  The selinux specific fields
+ * will be updated in the copy.  The point is to be able to replace the old
+ * rule with the new rule in the filterlist, then free the old rule. */
+static struct audit_entry *audit_dupe_rule(struct audit_krule *old)
+{
+        u32 fcount = old->field_count;
+        struct audit_entry *entry;
+        struct audit_krule *new;
+        int i, err = 0;
+        entry = audit_init_entry(fcount);
+        if (unlikely(!entry))
+                return ERR_PTR(-ENOMEM);
+        new = &entry->rule;
+        new->vers_ops = old->vers_ops;
+        new->flags = old->flags;
+        new->listnr = old->listnr;
+        new->action = old->action;
+        for (i = 0; i < AUDIT_BITMASK_SIZE; i++)
+                new->mask[i] = old->mask[i];
+        new->buflen = old->buflen;
+        new->field_count = old->field_count;
+        memcpy(new->fields, old->fields, sizeof(struct audit_field) * fcount);
+        /* deep copy this information, updating the se_rule fields, because
+         * the originals will all be freed when the old rule is freed. */
+        for (i = 0; i < fcount; i++) {
+                switch (new->fields[i].type) {
+                case AUDIT_SE_USER:
+                case AUDIT_SE_ROLE:
+                case AUDIT_SE_TYPE:
+                case AUDIT_SE_SEN:
+                case AUDIT_SE_CLR:
+                        err = audit_dupe_selinux_field(&new->fields[i],
+                                                       &old->fields[i]);
+                }
+                if (err) {
+                        audit_free_rule(entry);
+                        return ERR_PTR(err);
+                }
+        }
+        return entry;
+}
 /* Add rule to given filterlist if not a duplicate.  Protected by
 * audit_netlink_mutex. */
 static inline int audit_add_rule(struct audit_entry *entry,
@@ -448,9 +586,10 @@ static int audit_list_rules(void *_dest)
 * @data: payload data
 * @datasz: size of payload data
 * @loginuid: loginuid of sender
+ * @sid: SE Linux Security ID of sender
 */
 int audit_receive_filter(int type, int pid, int uid, int seq, void *data,
-                         size_t datasz, uid_t loginuid)
+                         size_t datasz, uid_t loginuid, u32 sid)
 {
        struct task_struct *tsk;
        int *dest;
@@ -493,9 +632,23 @@ int audit_receive_filter(int type, int pid, int uid, int seq, void *data,
                err = audit_add_rule(entry,
                                     &audit_filter_list[entry->rule.listnr]);
-                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                if (sid) {
-                        "auid=%u add rule to list=%d res=%d\n",
+                        char *ctx = NULL;
-                        loginuid, entry->rule.listnr, !err);
+                        u32 len;
+                        if (selinux_ctxid_to_string(sid, &ctx, &len)) {
+                                /* Maybe call audit_panic? */
+                                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                                 "auid=%u ssid=%u add rule to list=%d res=%d",
+                                 loginuid, sid, entry->rule.listnr, !err);
+                        } else
+                                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                                 "auid=%u subj=%s add rule to list=%d res=%d",
+                                 loginuid, ctx, entry->rule.listnr, !err);
+                        kfree(ctx);
+                } else
+                        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                                "auid=%u add rule to list=%d res=%d",
+                                loginuid, entry->rule.listnr, !err);
                if (err)
                        audit_free_rule(entry);
@@ -511,9 +664,24 @@ int audit_receive_filter(int type, int pid, int uid, int seq, void *data,
                err = audit_del_rule(entry,
                                     &audit_filter_list[entry->rule.listnr]);
-                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
-                        "auid=%u remove rule from list=%d res=%d\n",
+                if (sid) {
-                        loginuid, entry->rule.listnr, !err);
+                        char *ctx = NULL;
+                        u32 len;
+                        if (selinux_ctxid_to_string(sid, &ctx, &len)) {
+                                /* Maybe call audit_panic? */
+                                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                                        "auid=%u ssid=%u remove rule from list=%d res=%d",
+                                         loginuid, sid, entry->rule.listnr, !err);
+                        } else
+                                audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                                        "auid=%u subj=%s remove rule from list=%d res=%d",
+                                         loginuid, ctx, entry->rule.listnr, !err);
+                        kfree(ctx);
+                } else
+                        audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
+                                "auid=%u remove rule from list=%d res=%d",
+                                loginuid, entry->rule.listnr, !err);
                audit_free_rule(entry);
                break;
@@ -628,3 +796,62 @@ unlock_and_return:
        rcu_read_unlock();
        return result;
 }
+/* Check to see if the rule contains any selinux fields.  Returns 1 if there
+   are selinux fields specified in the rule, 0 otherwise. */
+static inline int audit_rule_has_selinux(struct audit_krule *rule)
+{
+        int i;
+        for (i = 0; i < rule->field_count; i++) {
+                struct audit_field *f = &rule->fields[i];
+                switch (f->type) {
+                case AUDIT_SE_USER:
+                case AUDIT_SE_ROLE:
+                case AUDIT_SE_TYPE:
+                case AUDIT_SE_SEN:
+                case AUDIT_SE_CLR:
+                        return 1;
+                }
+        }
+        return 0;
+}
+/* This function will re-initialize the se_rule field of all applicable rules.
+ * It will traverse the filter lists serarching for rules that contain selinux
+ * specific filter fields.  When such a rule is found, it is copied, the
+ * selinux field is re-initialized, and the old rule is replaced with the
+ * updated rule. */
+int selinux_audit_rule_update(void)
+{
+        struct audit_entry *entry, *n, *nentry;
+        int i, err = 0;
+        /* audit_netlink_mutex synchronizes the writers */
+        mutex_lock(&audit_netlink_mutex);
+        for (i = 0; i < AUDIT_NR_FILTERS; i++) {
+                list_for_each_entry_safe(entry, n, &audit_filter_list[i], list) {
+                        if (!audit_rule_has_selinux(&entry->rule))
+                                continue;
+                        nentry = audit_dupe_rule(&entry->rule);
+                        if (unlikely(IS_ERR(nentry))) {
+                                /* save the first error encountered for the
+                                 * return value */
+                                if (!err)
+                                        err = PTR_ERR(nentry);
+                                audit_panic("error updating selinux filters");
+                                list_del_rcu(&entry->list);
+                        } else {
+                                list_replace_rcu(&entry->list, &nentry->list);
+                        }
+                        call_rcu(&entry->rcu, audit_free_rule_rcu);
+                }
+        }
+        mutex_unlock(&audit_netlink_mutex);
+        return err;
+}
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 7f160df21a23..1c03a4ed1b27 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -58,6 +58,7 @@
 #include <linux/security.h>
 #include <linux/list.h>
 #include <linux/tty.h>
+#include <linux/selinux.h>
 #include "audit.h"
@@ -89,7 +90,7 @@ struct audit_names {
        uid_t           uid;
        gid_t           gid;
        dev_t           rdev;
-        char            *ctx;
+        u32             osid;
 };
 struct audit_aux_data {
@@ -106,7 +107,7 @@ struct audit_aux_data_ipcctl {
        uid_t                   uid;
        gid_t                   gid;
        mode_t                  mode;
-        char                    *ctx;
+        u32                     osid;
 };
 struct audit_aux_data_socketcall {
@@ -167,7 +168,8 @@ static int audit_filter_rules(struct task_struct *tsk,
                              struct audit_context *ctx,
                              enum audit_state *state)
 {
-        int i, j;
+        int i, j, need_sid = 1;
+        u32 sid;
        for (i = 0; i < rule->field_count; i++) {
                struct audit_field *f = &rule->fields[i];
@@ -257,6 +259,27 @@ static int audit_filter_rules(struct task_struct *tsk,
                        if (ctx)
                                result = audit_comparator(ctx->loginuid, f->op, f->val);
                        break;
+                case AUDIT_SE_USER:
+                case AUDIT_SE_ROLE:
+                case AUDIT_SE_TYPE:
+                case AUDIT_SE_SEN:
+                case AUDIT_SE_CLR:
+                        /* NOTE: this may return negative values indicating
+                           a temporary error.  We simply treat this as a
+                           match for now to avoid losing information that
+                           may be wanted.   An error message will also be
+                           logged upon error */
+                        if (f->se_rule) {
+                                if (need_sid) {
+                                        selinux_task_ctxid(tsk, &sid);
+                                        need_sid = 0;
+                                }
+                                result = selinux_audit_rule_match(sid, f->type,
+                                                                  f->op,
+                                                                  f->se_rule,
+                                                                  ctx);
+                        }
+                        break;
                case AUDIT_ARG0:
                case AUDIT_ARG1:
                case AUDIT_ARG2:
@@ -329,7 +352,6 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
        return AUDIT_BUILD_CONTEXT;
 }
-/* This should be called with task_lock() held. */
 static inline struct audit_context *audit_get_context(struct task_struct *tsk,
                                                      int return_valid,
                                                      int return_code)
@@ -391,9 +413,6 @@ static inline void audit_free_names(struct audit_context *context)
 #endif
        for (i = 0; i < context->name_count; i++) {
-                char *p = context->names[i].ctx;
-                context->names[i].ctx = NULL;
-                kfree(p);
                if (context->names[i].name)
                        __putname(context->names[i].name);
        }
@@ -416,11 +435,6 @@ static inline void audit_free_aux(struct audit_context *context)
                        dput(axi->dentry);
                        mntput(axi->mnt);
                }
-                if ( aux->type == AUDIT_IPC ) {
-                        struct audit_aux_data_ipcctl *axi = (void *)aux;
-                        if (axi->ctx)
-                                kfree(axi->ctx);
-                }
                context->aux = aux->next;
                kfree(aux);
@@ -506,7 +520,7 @@ static inline void audit_free_context(struct audit_context *context)
                printk(KERN_ERR "audit: freed %d contexts\n", count);
 }
-static void audit_log_task_context(struct audit_buffer *ab, gfp_t gfp_mask)
+static void audit_log_task_context(struct audit_buffer *ab)
 {
        char *ctx = NULL;
        ssize_t len = 0;
@@ -518,7 +532,7 @@ static void audit_log_task_context(struct audit_buffer *ab, gfp_t gfp_mask)
                return;
        }
-        ctx = kmalloc(len, gfp_mask);
+        ctx = kmalloc(len, GFP_KERNEL);
        if (!ctx)
                goto error_path;
@@ -536,47 +550,46 @@ error_path:
        return;
 }
-static void audit_log_task_info(struct audit_buffer *ab, gfp_t gfp_mask)
+static void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)
 {
-        char name[sizeof(current->comm)];
+        char name[sizeof(tsk->comm)];
-        struct mm_struct *mm = current->mm;
+        struct mm_struct *mm = tsk->mm;
        struct vm_area_struct *vma;
-        get_task_comm(name, current);
+        /* tsk == current */
+        get_task_comm(name, tsk);
        audit_log_format(ab, " comm=");
        audit_log_untrustedstring(ab, name);
-        if (!mm)
+        if (mm) {
-                return;
+                down_read(&mm->mmap_sem);
+                vma = mm->mmap;
-        /*
+                while (vma) {
-         * this is brittle; all callers that pass GFP_ATOMIC will have
+                        if ((vma->vm_flags & VM_EXECUTABLE) &&
-         * NULL current->mm and we won't get here.
+                            vma->vm_file) {
-         */
+                                audit_log_d_path(ab, "exe=",
-        down_read(&mm->mmap_sem);
+                                                 vma->vm_file->f_dentry,
-        vma = mm->mmap;
+                                                 vma->vm_file->f_vfsmnt);
-        while (vma) {
+                                break;
-                if ((vma->vm_flags & VM_EXECUTABLE) &&
+                        }
-                    vma->vm_file) {
+                        vma = vma->vm_next;
-                        audit_log_d_path(ab, "exe=",
-                                         vma->vm_file->f_dentry,
-                                         vma->vm_file->f_vfsmnt);
-                        break;
                }
-                vma = vma->vm_next;
+                up_read(&mm->mmap_sem);
        }
-        up_read(&mm->mmap_sem);
+        audit_log_task_context(ab);
-        audit_log_task_context(ab, gfp_mask);
 }
-static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask)
+static void audit_log_exit(struct audit_context *context, struct task_struct *tsk)
 {
-        int i;
+        int i, call_panic = 0;
        struct audit_buffer *ab;
        struct audit_aux_data *aux;
        const char *tty;
-        ab = audit_log_start(context, gfp_mask, AUDIT_SYSCALL);
+        /* tsk == current */
+        ab = audit_log_start(context, GFP_KERNEL, AUDIT_SYSCALL);
        if (!ab)
                return;         /* audit_panic has been called */
        audit_log_format(ab, "arch=%x syscall=%d",
@@ -587,8 +600,8 @@ static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask)
                audit_log_format(ab, " success=%s exit=%ld", 
                                 (context->return_valid==AUDITSC_SUCCESS)?"yes":"no",
                                 context->return_code);
-        if (current->signal->tty && current->signal->tty->name)
+        if (tsk->signal && tsk->signal->tty && tsk->signal->tty->name)
-                tty = current->signal->tty->name;
+                tty = tsk->signal->tty->name;
        else
                tty = "(none)";
        audit_log_format(ab,
@@ -607,12 +620,12 @@ static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask)
                  context->gid,
                  context->euid, context->suid, context->fsuid,
                  context->egid, context->sgid, context->fsgid, tty);
-        audit_log_task_info(ab, gfp_mask);
+        audit_log_task_info(ab, tsk);
        audit_log_end(ab);
        for (aux = context->aux; aux; aux = aux->next) {
-                ab = audit_log_start(context, gfp_mask, aux->type);
+                ab = audit_log_start(context, GFP_KERNEL, aux->type);
                if (!ab)
                        continue; /* audit_panic has been called */
@@ -620,8 +633,39 @@ static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask)
                case AUDIT_IPC: {
                        struct audit_aux_data_ipcctl *axi = (void *)aux;
                        audit_log_format(ab, 
-                                         " qbytes=%lx iuid=%u igid=%u mode=%x obj=%s",
+                                 " qbytes=%lx iuid=%u igid=%u mode=%x",
-                                         axi->qbytes, axi->uid, axi->gid, axi->mode, axi->ctx);
+                                 axi->qbytes, axi->uid, axi->gid, axi->mode);
+                        if (axi->osid != 0) {
+                                char *ctx = NULL;
+                                u32 len;
+                                if (selinux_ctxid_to_string(
+                                                axi->osid, &ctx, &len)) {
+                                        audit_log_format(ab, " osid=%u",
+                                                        axi->osid);
+                                        call_panic = 1;
+                                } else
+                                        audit_log_format(ab, " obj=%s", ctx);
+                                kfree(ctx);
+                        }
+                        break; }
+                case AUDIT_IPC_SET_PERM: {
+                        struct audit_aux_data_ipcctl *axi = (void *)aux;
+                        audit_log_format(ab,
+                                " new qbytes=%lx new iuid=%u new igid=%u new mode=%x",
+                                axi->qbytes, axi->uid, axi->gid, axi->mode);
+                        if (axi->osid != 0) {
+                                char *ctx = NULL;
+                                u32 len;
+                                if (selinux_ctxid_to_string(
+                                                axi->osid, &ctx, &len)) {
+                                        audit_log_format(ab, " osid=%u",
+                                                        axi->osid);
+                                        call_panic = 1;
+                                } else
+                                        audit_log_format(ab, " obj=%s", ctx);
+                                kfree(ctx);
+                        }
                        break; }
                case AUDIT_SOCKETCALL: {
@@ -649,7 +693,7 @@ static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask)
        }
        if (context->pwd && context->pwdmnt) {
-                ab = audit_log_start(context, gfp_mask, AUDIT_CWD);
+                ab = audit_log_start(context, GFP_KERNEL, AUDIT_CWD);
                if (ab) {
                        audit_log_d_path(ab, "cwd=", context->pwd, context->pwdmnt);
                        audit_log_end(ab);
@@ -659,7 +703,7 @@ static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask)
                unsigned long ino  = context->names[i].ino;
                unsigned long pino = context->names[i].pino;
-                ab = audit_log_start(context, gfp_mask, AUDIT_PATH);
+                ab = audit_log_start(context, GFP_KERNEL, AUDIT_PATH);
                if (!ab)
                        continue; /* audit_panic has been called */
@@ -685,32 +729,35 @@ static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask)
                                         context->names[i].gid, 
                                         MAJOR(context->names[i].rdev), 
                                         MINOR(context->names[i].rdev));
-                if (context->names[i].ctx) {
+                if (context->names[i].osid != 0) {
-                        audit_log_format(ab, " obj=%s",
+                        char *ctx = NULL;
-                                        context->names[i].ctx);
+                        u32 len;
+                        if (selinux_ctxid_to_string(
+                                context->names[i].osid, &ctx, &len)) {
+                                audit_log_format(ab, " osid=%u",
+                                                context->names[i].osid);
+                                call_panic = 2;
+                        } else
+                                audit_log_format(ab, " obj=%s", ctx);
+                        kfree(ctx);
                }
                audit_log_end(ab);
        }
+        if (call_panic)
+                audit_panic("error converting sid to string");
 }
 /**
 * audit_free - free a per-task audit context
 * @tsk: task whose audit context block to free
 *
- * Called from copy_process and __put_task_struct.
+ * Called from copy_process and do_exit
 */
 void audit_free(struct task_struct *tsk)
 {
        struct audit_context *context;
-        /*
-         * No need to lock the task - when we execute audit_free()
-         * then the task has no external references anymore, and
-         * we are tearing it down. (The locking also confuses
-         * DEBUG_LOCKDEP - this freeing may occur in softirq
-         * contexts as well, via RCU.)
-         */
        context = audit_get_context(tsk, 0, 0);
        if (likely(!context))
                return;
@@ -719,8 +766,9 @@ void audit_free(struct task_struct *tsk)
         * function (e.g., exit_group), then free context block. 
         * We use GFP_ATOMIC here because we might be doing this 
         * in the context of the idle thread */
+        /* that can happen only if we are called from do_exit() */
        if (context->in_syscall && context->auditable)
-                audit_log_exit(context, GFP_ATOMIC);
+                audit_log_exit(context, tsk);
        audit_free_context(context);
 }
@@ -743,10 +791,11 @@ void audit_free(struct task_struct *tsk)
 * will only be written if another part of the kernel requests that it
 * be written).
 */
-void audit_syscall_entry(struct task_struct *tsk, int arch, int major,
+void audit_syscall_entry(int arch, int major,
                         unsigned long a1, unsigned long a2,
                         unsigned long a3, unsigned long a4)
 {
+        struct task_struct *tsk = current;
        struct audit_context *context = tsk->audit_context;
        enum audit_state     state;
@@ -824,22 +873,18 @@ void audit_syscall_entry(struct task_struct *tsk, int arch, int major,
 * message), then write out the syscall information.  In call cases,
 * free the names stored from getname().
 */
-void audit_syscall_exit(struct task_struct *tsk, int valid, long return_code)
+void audit_syscall_exit(int valid, long return_code)
 {
+        struct task_struct *tsk = current;
        struct audit_context *context;
-        get_task_struct(tsk);
-        task_lock(tsk);
        context = audit_get_context(tsk, valid, return_code);
-        task_unlock(tsk);
-        /* Not having a context here is ok, since the parent may have
-         * called __put_task_struct. */
        if (likely(!context))
-                goto out;
+                return;
        if (context->in_syscall && context->auditable)
-                audit_log_exit(context, GFP_KERNEL);
+                audit_log_exit(context, tsk);
        context->in_syscall = 0;
        context->auditable  = 0;
@@ -854,8 +899,6 @@ void audit_syscall_exit(struct task_struct *tsk, int valid, long return_code)
                audit_free_aux(context);
                tsk->audit_context = context;
        }
- out:
-        put_task_struct(tsk);
 }
 /**
@@ -936,40 +979,11 @@ void audit_putname(const char *name)
 #endif
 }
-void audit_inode_context(int idx, const struct inode *inode)
+static void audit_inode_context(int idx, const struct inode *inode)
 {
        struct audit_context *context = current->audit_context;
-        const char *suffix = security_inode_xattr_getsuffix();
-        char *ctx = NULL;
-        int len = 0;
-        if (!suffix)
-                goto ret;
-        len = security_inode_getsecurity(inode, suffix, NULL, 0, 0);
-        if (len == -EOPNOTSUPP)
-                goto ret;
-        if (len < 0) 
-                goto error_path;
-        ctx = kmalloc(len, GFP_KERNEL);
-        if (!ctx) 
-                goto error_path;
-        len = security_inode_getsecurity(inode, suffix, ctx, len, 0);
+        selinux_get_inode_sid(inode, &context->names[idx].osid);
-        if (len < 0)
-                goto error_path;
-        kfree(context->names[idx].ctx);
-        context->names[idx].ctx = ctx;
-        goto ret;
-error_path:
-        if (ctx)
-                kfree(ctx);
-        audit_panic("error in audit_inode_context");
-ret:
-        return;
 }
@@ -1155,40 +1169,37 @@ uid_t audit_get_loginuid(struct audit_context *ctx)
        return ctx ? ctx->loginuid : -1;
 }
-static char *audit_ipc_context(struct kern_ipc_perm *ipcp)
+/**
+ * audit_ipc_obj - record audit data for ipc object
+ * @ipcp: ipc permissions
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+int audit_ipc_obj(struct kern_ipc_perm *ipcp)
 {
+        struct audit_aux_data_ipcctl *ax;
        struct audit_context *context = current->audit_context;
-        char *ctx = NULL;
-        int len = 0;
        if (likely(!context))
-                return NULL;
+                return 0;
-        len = security_ipc_getsecurity(ipcp, NULL, 0);
-        if (len == -EOPNOTSUPP)
-                goto ret;
-        if (len < 0)
-                goto error_path;
-        ctx = kmalloc(len, GFP_ATOMIC);
-        if (!ctx)
-                goto error_path;
-        len = security_ipc_getsecurity(ipcp, ctx, len);
+        ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
-        if (len < 0)
+        if (!ax)
-                goto error_path;
+                return -ENOMEM;
-        return ctx;
+        ax->uid = ipcp->uid;
+        ax->gid = ipcp->gid;
+        ax->mode = ipcp->mode;
+        selinux_get_ipc_sid(ipcp, &ax->osid);
-error_path:
+        ax->d.type = AUDIT_IPC;
-        kfree(ctx);
+        ax->d.next = context->aux;
-        audit_panic("error in audit_ipc_context");
+        context->aux = (void *)ax;
-ret:
+        return 0;
-        return NULL;
 }
 /**
- * audit_ipc_perms - record audit data for ipc
+ * audit_ipc_set_perm - record audit data for new ipc permissions
 * @qbytes: msgq bytes
 * @uid: msgq user id
 * @gid: msgq group id
@@ -1196,7 +1207,7 @@ ret:
 *
 * Returns 0 for success or NULL context or < 0 on error.
 */
-int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, struct kern_ipc_perm *ipcp)
+int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, struct kern_ipc_perm *ipcp)
 {
        struct audit_aux_data_ipcctl *ax;
        struct audit_context *context = current->audit_context;
@@ -1212,9 +1223,9 @@ int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, str
        ax->uid = uid;
        ax->gid = gid;
        ax->mode = mode;
-        ax->ctx = audit_ipc_context(ipcp);
+        selinux_get_ipc_sid(ipcp, &ax->osid);
-        ax->d.type = AUDIT_IPC;
+        ax->d.type = AUDIT_IPC_SET_PERM;
        ax->d.next = context->aux;
        context->aux = (void *)ax;
        return 0;
diff --git a/kernel/exit.c b/kernel/exit.c
index f86434d7b3d1..e95b93282210 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -35,6 +35,7 @@
 #include <linux/futex.h>
 #include <linux/compat.h>
 #include <linux/pipe_fs_i.h>
+#include <linux/audit.h> /* for audit_free() */
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
@@ -910,6 +911,8 @@ fastcall NORET_TYPE void do_exit(long code)
        if (unlikely(tsk->compat_robust_list))
                compat_exit_robust_list(tsk);
 #endif
+        if (unlikely(tsk->audit_context))
+                audit_free(tsk);
        exit_mm(tsk);
        exit_sem(tsk);
diff --git a/kernel/fork.c b/kernel/fork.c
index d2fa57d480d4..ac8100e3088a 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -114,8 +114,6 @@ void __put_task_struct(struct task_struct *tsk)
        WARN_ON(atomic_read(&tsk->usage));
        WARN_ON(tsk == current);
-        if (unlikely(tsk->audit_context))
-                audit_free(tsk);
        security_task_free(tsk);
        free_uid(tsk->user);
        put_group_info(tsk->group_info);
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 1fe76d963ac2..1ae2b2cc3a54 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -69,12 +69,16 @@ int __add_pages(struct zone *zone, unsigned long phys_start_pfn,
        for (i = 0; i < nr_pages; i += PAGES_PER_SECTION) {
                err = __add_section(zone, phys_start_pfn + i);
-                if (err)
+                /* We want to keep adding the rest of the
+                 * sections if the first ones already exist
+                 */
+                if (err && (err != -EEXIST))
                        break;
        }
        return err;
 }
+EXPORT_SYMBOL_GPL(__add_pages);
 static void grow_zone_span(struct zone *zone,
                unsigned long start_pfn, unsigned long end_pfn)
diff --git a/mm/migrate.c b/mm/migrate.c
index d444229f2599..1c25040693d2 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -439,6 +439,17 @@ redo:
                        goto unlock_both;
                }
+                /* Make sure the dirty bit is up to date */
+                if (try_to_unmap(page, 1) == SWAP_FAIL) {
+                        rc = -EPERM;
+                        goto unlock_both;
+                }
+                if (page_mapcount(page)) {
+                        rc = -EAGAIN;
+                        goto unlock_both;
+                }
                /*
                 * Default handling if a filesystem does not provide
                 * a migration function. We can only migrate clean
diff --git a/mm/sparse.c b/mm/sparse.c
index 0a51f36ba3a1..d7c32de99ee8 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -32,7 +32,10 @@ static struct mem_section *sparse_index_alloc(int nid)
        unsigned long array_size = SECTIONS_PER_ROOT *
                                   sizeof(struct mem_section);
-        section = alloc_bootmem_node(NODE_DATA(nid), array_size);
+        if (system_state == SYSTEM_RUNNING)
+                section = kmalloc_node(array_size, GFP_KERNEL, nid);
+        else
+                section = alloc_bootmem_node(NODE_DATA(nid), array_size);
        if (section)
                memset(section, 0, array_size);
@@ -281,9 +284,9 @@ int sparse_add_one_section(struct zone *zone, unsigned long start_pfn,
        ret = sparse_init_one_section(ms, section_nr, memmap);
-        if (ret <= 0)
-                __kfree_section_memmap(memmap, nr_pages);
 out:
        pgdat_resize_unlock(pgdat, &flags);
+        if (ret <= 0)
+                __kfree_section_memmap(memmap, nr_pages);
        return ret;
 }
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index dbf9b47681f7..a2e0dd047e9f 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -228,6 +228,8 @@ ax25_cb *ax25_find_cb(ax25_address *src_addr, ax25_address *dest_addr,
        return NULL;
 }
+EXPORT_SYMBOL(ax25_find_cb);
 void ax25_send_to_raw(ax25_address *addr, struct sk_buff *skb, int proto)
 {
        ax25_cb *s;
@@ -424,6 +426,26 @@ static int ax25_ctl_ioctl(const unsigned int cmd, void __user *arg)
        return 0;
 }
+static void ax25_fillin_cb_from_dev(ax25_cb *ax25, ax25_dev *ax25_dev)
+{
+        ax25->rtt     = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T1]) / 2;
+        ax25->t1      = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T1]);
+        ax25->t2      = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T2]);
+        ax25->t3      = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_T3]);
+        ax25->n2      = ax25_dev->values[AX25_VALUES_N2];
+        ax25->paclen  = ax25_dev->values[AX25_VALUES_PACLEN];
+        ax25->idle    = msecs_to_jiffies(ax25_dev->values[AX25_VALUES_IDLE]);
+        ax25->backoff = ax25_dev->values[AX25_VALUES_BACKOFF];
+        if (ax25_dev->values[AX25_VALUES_AXDEFMODE]) {
+                ax25->modulus = AX25_EMODULUS;
+                ax25->window  = ax25_dev->values[AX25_VALUES_EWINDOW];
+        } else {
+                ax25->modulus = AX25_MODULUS;
+                ax25->window  = ax25_dev->values[AX25_VALUES_WINDOW];
+        }
+}
 /*
 *      Fill in a created AX.25 created control block with the default
 *      values for a particular device.
@@ -433,39 +455,28 @@ void ax25_fillin_cb(ax25_cb *ax25, ax25_dev *ax25_dev)
        ax25->ax25_dev = ax25_dev;
        if (ax25->ax25_dev != NULL) {
-                ax25->rtt     = ax25_dev->values[AX25_VALUES_T1] / 2;
+                ax25_fillin_cb_from_dev(ax25, ax25_dev);
-                ax25->t1      = ax25_dev->values[AX25_VALUES_T1];
+                return;
-                ax25->t2      = ax25_dev->values[AX25_VALUES_T2];
+        }
-                ax25->t3      = ax25_dev->values[AX25_VALUES_T3];
-                ax25->n2      = ax25_dev->values[AX25_VALUES_N2];
+        /*
-                ax25->paclen  = ax25_dev->values[AX25_VALUES_PACLEN];
+         * No device, use kernel / AX.25 spec default values
-                ax25->idle    = ax25_dev->values[AX25_VALUES_IDLE];
+         */
-                ax25->backoff = ax25_dev->values[AX25_VALUES_BACKOFF];
+        ax25->rtt     = msecs_to_jiffies(AX25_DEF_T1) / 2;
+        ax25->t1      = msecs_to_jiffies(AX25_DEF_T1);
-                if (ax25_dev->values[AX25_VALUES_AXDEFMODE]) {
+        ax25->t2      = msecs_to_jiffies(AX25_DEF_T2);
-                        ax25->modulus = AX25_EMODULUS;
+        ax25->t3      = msecs_to_jiffies(AX25_DEF_T3);
-                        ax25->window  = ax25_dev->values[AX25_VALUES_EWINDOW];
+        ax25->n2      = AX25_DEF_N2;
-                } else {
+        ax25->paclen  = AX25_DEF_PACLEN;
-                        ax25->modulus = AX25_MODULUS;
+        ax25->idle    = msecs_to_jiffies(AX25_DEF_IDLE);
-                        ax25->window  = ax25_dev->values[AX25_VALUES_WINDOW];
+        ax25->backoff = AX25_DEF_BACKOFF;
-                }
+        if (AX25_DEF_AXDEFMODE) {
+                ax25->modulus = AX25_EMODULUS;
+                ax25->window  = AX25_DEF_EWINDOW;
        } else {
-                ax25->rtt     = AX25_DEF_T1 / 2;
+                ax25->modulus = AX25_MODULUS;
-                ax25->t1      = AX25_DEF_T1;
+                ax25->window  = AX25_DEF_WINDOW;
-                ax25->t2      = AX25_DEF_T2;
-                ax25->t3      = AX25_DEF_T3;
-                ax25->n2      = AX25_DEF_N2;
-                ax25->paclen  = AX25_DEF_PACLEN;
-                ax25->idle    = AX25_DEF_IDLE;
-                ax25->backoff = AX25_DEF_BACKOFF;
-                if (AX25_DEF_AXDEFMODE) {
-                        ax25->modulus = AX25_EMODULUS;
-                        ax25->window  = AX25_DEF_EWINDOW;
-                } else {
-                        ax25->modulus = AX25_MODULUS;
-                        ax25->window  = AX25_DEF_WINDOW;
-                }
        }
 }
@@ -1979,24 +1990,6 @@ static struct notifier_block ax25_dev_notifier = {
        .notifier_call =ax25_device_event,
 };
-EXPORT_SYMBOL(ax25_hard_header);
-EXPORT_SYMBOL(ax25_rebuild_header);
-EXPORT_SYMBOL(ax25_findbyuid);
-EXPORT_SYMBOL(ax25_find_cb);
-EXPORT_SYMBOL(ax25_linkfail_register);
-EXPORT_SYMBOL(ax25_linkfail_release);
-EXPORT_SYMBOL(ax25_listen_register);
-EXPORT_SYMBOL(ax25_listen_release);
-EXPORT_SYMBOL(ax25_protocol_register);
-EXPORT_SYMBOL(ax25_protocol_release);
-EXPORT_SYMBOL(ax25_send_frame);
-EXPORT_SYMBOL(ax25_uid_policy);
-EXPORT_SYMBOL(ax25cmp);
-EXPORT_SYMBOL(ax2asc);
-EXPORT_SYMBOL(asc2ax);
-EXPORT_SYMBOL(null_ax25_address);
-EXPORT_SYMBOL(ax25_display_timer);
 static int __init ax25_init(void)
 {
        int rc = proto_register(&ax25_proto, 0);
diff --git a/net/ax25/ax25_addr.c b/net/ax25/ax25_addr.c
index 0164a155b8c4..5f0896ad0042 100644
--- a/net/ax25/ax25_addr.c
+++ b/net/ax25/ax25_addr.c
@@ -11,6 +11,7 @@
 #include <linux/socket.h>
 #include <linux/in.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/timer.h>
 #include <linux/string.h>
@@ -33,6 +34,8 @@
 */
 ax25_address null_ax25_address = {{0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x00}};
+EXPORT_SYMBOL(null_ax25_address);
 /*
 *      ax25 -> ascii conversion
 */
@@ -64,6 +67,8 @@ char *ax2asc(char *buf, ax25_address *a)
 }
+EXPORT_SYMBOL(ax2asc);
 /*
 *      ascii -> ax25 conversion
 */
@@ -97,6 +102,8 @@ void asc2ax(ax25_address *addr, char *callsign)
        addr->ax25_call[6] &= 0x1E;
 }
+EXPORT_SYMBOL(asc2ax);
 /*
 *      Compare two ax.25 addresses
 */
@@ -116,6 +123,8 @@ int ax25cmp(ax25_address *a, ax25_address *b)
        return 2;                       /* Partial match */
 }
+EXPORT_SYMBOL(ax25cmp);
 /*
 *      Compare two AX.25 digipeater paths.
 */
diff --git a/net/ax25/ax25_ds_timer.c b/net/ax25/ax25_ds_timer.c
index 061083efc1dc..5961459935eb 100644
--- a/net/ax25/ax25_ds_timer.c
+++ b/net/ax25/ax25_ds_timer.c
@@ -61,7 +61,8 @@ void ax25_ds_set_timer(ax25_dev *ax25_dev)
                return;
        del_timer(&ax25_dev->dama.slave_timer);
-        ax25_dev->dama.slave_timeout = ax25_dev->values[AX25_VALUES_DS_TIMEOUT] / 10;
+        ax25_dev->dama.slave_timeout =
+                msecs_to_jiffies(ax25_dev->values[AX25_VALUES_DS_TIMEOUT]) / 10;
        ax25_ds_add_timer(ax25_dev);
 }
diff --git a/net/ax25/ax25_iface.c b/net/ax25/ax25_iface.c
index d68aff100729..3bb152710b77 100644
--- a/net/ax25/ax25_iface.c
+++ b/net/ax25/ax25_iface.c
@@ -12,6 +12,7 @@
 #include <linux/socket.h>
 #include <linux/in.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/timer.h>
@@ -74,6 +75,8 @@ int ax25_protocol_register(unsigned int pid,
        return 1;
 }
+EXPORT_SYMBOL(ax25_protocol_register);
 void ax25_protocol_release(unsigned int pid)
 {
        struct protocol_struct *s, *protocol;
@@ -106,6 +109,8 @@ void ax25_protocol_release(unsigned int pid)
        write_unlock(&protocol_list_lock);
 }
+EXPORT_SYMBOL(ax25_protocol_release);
 int ax25_linkfail_register(void (*func)(ax25_cb *, int))
 {
        struct linkfail_struct *linkfail;
@@ -123,6 +128,8 @@ int ax25_linkfail_register(void (*func)(ax25_cb *, int))
        return 1;
 }
+EXPORT_SYMBOL(ax25_linkfail_register);
 void ax25_linkfail_release(void (*func)(ax25_cb *, int))
 {
        struct linkfail_struct *s, *linkfail;
@@ -155,6 +162,8 @@ void ax25_linkfail_release(void (*func)(ax25_cb *, int))
        spin_unlock_bh(&linkfail_lock);
 }
+EXPORT_SYMBOL(ax25_linkfail_release);
 int ax25_listen_register(ax25_address *callsign, struct net_device *dev)
 {
        struct listen_struct *listen;
@@ -176,6 +185,8 @@ int ax25_listen_register(ax25_address *callsign, struct net_device *dev)
        return 1;
 }
+EXPORT_SYMBOL(ax25_listen_register);
 void ax25_listen_release(ax25_address *callsign, struct net_device *dev)
 {
        struct listen_struct *s, *listen;
@@ -208,6 +219,8 @@ void ax25_listen_release(ax25_address *callsign, struct net_device *dev)
        spin_unlock_bh(&listen_lock);
 }
+EXPORT_SYMBOL(ax25_listen_release);
 int (*ax25_protocol_function(unsigned int pid))(struct sk_buff *, ax25_cb *)
 {
        int (*res)(struct sk_buff *, ax25_cb *) = NULL;
diff --git a/net/ax25/ax25_ip.c b/net/ax25/ax25_ip.c
index d643dac3eccc..a0b534f80f17 100644
--- a/net/ax25/ax25_ip.c
+++ b/net/ax25/ax25_ip.c
@@ -12,6 +12,7 @@
 #include <linux/socket.h>
 #include <linux/in.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/timer.h>
 #include <linux/string.h>
@@ -221,3 +222,5 @@ int ax25_rebuild_header(struct sk_buff *skb)
 #endif
+EXPORT_SYMBOL(ax25_hard_header);
+EXPORT_SYMBOL(ax25_rebuild_header);
diff --git a/net/ax25/ax25_out.c b/net/ax25/ax25_out.c
index 5fc048dcd39a..5d99852b239c 100644
--- a/net/ax25/ax25_out.c
+++ b/net/ax25/ax25_out.c
@@ -14,6 +14,7 @@
 #include <linux/socket.h>
 #include <linux/in.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/timer.h>
 #include <linux/string.h>
@@ -104,6 +105,8 @@ ax25_cb *ax25_send_frame(struct sk_buff *skb, int paclen, ax25_address *src, ax2
        return ax25;                    /* We had to create it */
 }
+EXPORT_SYMBOL(ax25_send_frame);
 /*
 *      All outgoing AX.25 I frames pass via this routine. Therefore this is
 *      where the fragmentation of frames takes place. If fragment is set to
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index f04f8630fd28..5ac98250797b 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -360,7 +360,7 @@ struct file_operations ax25_route_fops = {
 /*
 *      Find AX.25 route
 *
- *      Only routes with a refernce rout of zero can be destroyed.
+ *      Only routes with a reference count of zero can be destroyed.
 */
 static ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev)
 {
diff --git a/net/ax25/ax25_timer.c b/net/ax25/ax25_timer.c
index 7a6b50a14554..ec254057f212 100644
--- a/net/ax25/ax25_timer.c
+++ b/net/ax25/ax25_timer.c
@@ -18,6 +18,7 @@
 #include <linux/socket.h>
 #include <linux/in.h>
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/jiffies.h>
 #include <linux/timer.h>
 #include <linux/string.h>
@@ -137,6 +138,8 @@ unsigned long ax25_display_timer(struct timer_list *timer)
        return timer->expires - jiffies;
 }
+EXPORT_SYMBOL(ax25_display_timer);
 static void ax25_heartbeat_expiry(unsigned long param)
 {
        int proto = AX25_PROTO_STD_SIMPLEX;
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index b8b5854bce9a..5e9a81e8b214 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -49,6 +49,8 @@ static DEFINE_RWLOCK(ax25_uid_lock);
 int ax25_uid_policy = 0;
+EXPORT_SYMBOL(ax25_uid_policy);
 ax25_uid_assoc *ax25_findbyuid(uid_t uid)
 {
        ax25_uid_assoc *ax25_uid, *res = NULL;
@@ -67,6 +69,8 @@ ax25_uid_assoc *ax25_findbyuid(uid_t uid)
        return res;
 }
+EXPORT_SYMBOL(ax25_findbyuid);
 int ax25_uid_ioctl(int cmd, struct sockaddr_ax25 *sax)
 {
        ax25_uid_assoc *ax25_uid;
diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c
index 894a22558d9d..bdb64c36df12 100644
--- a/net/ax25/sysctl_net_ax25.c
+++ b/net/ax25/sysctl_net_ax25.c
@@ -18,14 +18,14 @@ static int min_backoff[1],		max_backoff[] = {2};
 static int min_conmode[1],              max_conmode[] = {2};
 static int min_window[] = {1},          max_window[] = {7};
 static int min_ewindow[] = {1},         max_ewindow[] = {63};
-static int min_t1[] = {1},              max_t1[] = {30 * HZ};
+static int min_t1[] = {1},              max_t1[] = {30000};
-static int min_t2[] = {1},              max_t2[] = {20 * HZ};
+static int min_t2[] = {1},              max_t2[] = {20000};
-static int min_t3[1],                   max_t3[] = {3600 * HZ};
+static int min_t3[1],                   max_t3[] = {3600000};
-static int min_idle[1],                 max_idle[] = {65535 * HZ};
+static int min_idle[1],                 max_idle[] = {65535000};
 static int min_n2[] = {1},              max_n2[] = {31};
 static int min_paclen[] = {1},          max_paclen[] = {512};
 static int min_proto[1],                max_proto[] = { AX25_PROTO_MAX };
-static int min_ds_timeout[1],           max_ds_timeout[] = {65535 * HZ};
+static int min_ds_timeout[1],           max_ds_timeout[] = {65535000};
 static struct ctl_table_header *ax25_table_header;
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index b0b7f55c1edd..bfa4d8c333f7 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -66,6 +66,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
        }
        if (is_multicast_ether_addr(dest)) {
+                br->statistics.multicast++;
                br_flood_forward(br, skb, !passedup);
                if (!passedup)
                        br_pass_frame_up(br, skb);
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 1ff7328b0e17..2e0ee8355c41 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -848,6 +848,7 @@ static int dccp_close_state(struct sock *sk)
 void dccp_close(struct sock *sk, long timeout)
 {
        struct sk_buff *skb;
+        int state;
        lock_sock(sk);
@@ -882,6 +883,11 @@ void dccp_close(struct sock *sk, long timeout)
        sk_stream_wait_close(sk, timeout);
 adjudge_to_death:
+        state = sk->sk_state;
+        sock_hold(sk);
+        sock_orphan(sk);
+        atomic_inc(sk->sk_prot->orphan_count);
        /*
         * It is the last release_sock in its life. It will remove backlog.
         */
@@ -894,8 +900,9 @@ adjudge_to_death:
        bh_lock_sock(sk);
        BUG_TRAP(!sock_owned_by_user(sk));
-        sock_hold(sk);
+        /* Have we already been destroyed by a softirq or backlog? */
-        sock_orphan(sk);
+        if (state != DCCP_CLOSED && sk->sk_state == DCCP_CLOSED)
+                goto out;
        /*
         * The last release_sock may have processed the CLOSE or RESET
@@ -915,12 +922,12 @@ adjudge_to_death:
 #endif
        }
-        atomic_inc(sk->sk_prot->orphan_count);
        if (sk->sk_state == DCCP_CLOSED)
                inet_csk_destroy_sock(sk);
        /* Otherwise, socket is reprieved until protocol close. */
+out:
        bh_unlock_sock(sk);
        local_bh_enable();
        sock_put(sk);
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 7c8692c26bfe..66e230c3b328 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -493,7 +493,6 @@ struct elist_cb_state {
 static void neigh_elist_cb(struct neighbour *neigh, void *_info)
 {
        struct elist_cb_state *s = _info;
-        struct dn_dev *dn_db;
        struct dn_neigh *dn;
        if (neigh->dev != s->dev)
@@ -503,10 +502,6 @@ static void neigh_elist_cb(struct neighbour *neigh, void *_info)
        if (!(dn->flags & (DN_NDFLAG_R1|DN_NDFLAG_R2)))
                return;
-        dn_db = (struct dn_dev *) s->dev->dn_ptr;
-        if (dn_db->parms.forwarding == 1 && (dn->flags & DN_NDFLAG_R2))
-                return;
        if (s->t == s->n)
                s->rs = dn_find_slot(s->ptr, s->n, dn->priority);
        else
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index dc206f1f914f..0a277453526b 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1257,7 +1257,7 @@ out_unregister_udp_proto:
        goto out;
 }
-module_init(inet_init);
+fs_initcall(inet_init);
 /* ------------------------------------------------------------------------ */
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323.c b/net/ipv4/netfilter/ip_conntrack_helper_h323.c
index 2c2fb700d835..518f581d39ec 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_h323.c
+++ b/net/ipv4/netfilter/ip_conntrack_helper_h323.c
@@ -162,6 +162,8 @@ static int get_tpkt_data(struct sk_buff **pskb, struct ip_conntrack *ct,
        /* Validate TPKT length */
        tpktlen = tpkt[2] * 256 + tpkt[3];
+        if (tpktlen < 4)
+                goto clear_out;
        if (tpktlen > tcpdatalen) {
                if (tcpdatalen == 4) {  /* Separate TPKT header */
                        /* Netmeeting sends TPKT header and data separately */
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c
index 48078002e450..355a53a5b6cd 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c
+++ b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c
@@ -2,7 +2,7 @@
 * ip_conntrack_helper_h323_asn1.c - BER and PER decoding library for H.323
 *                                   conntrack/NAT module.
 *
- * Copyright (c) 2006 by Jing Min Zhao <zhaojingmin@hotmail.com>
+ * Copyright (c) 2006 by Jing Min Zhao <zhaojingmin@users.sourceforge.net>
 *
 * This source code is licensed under General Public License version 2.
 *
@@ -703,6 +703,10 @@ int decode_choice(bitstr_t * bs, field_t * f, char *base, int level)
                type = get_bits(bs, f->sz);
        }
+        /* Write Type */
+        if (base)
+                *(unsigned *) base = type;
        /* Check Range */
        if (type >= f->ub) {    /* Newer version? */
                BYTE_ALIGN(bs);
@@ -712,10 +716,6 @@ int decode_choice(bitstr_t * bs, field_t * f, char *base, int level)
                return H323_ERROR_NONE;
        }
-        /* Write Type */
-        if (base)
-                *(unsigned *) base = type;
        /* Transfer to son level */
        son = &f->fields[type];
        if (son->attr & STOP) {
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_sctp.c b/net/ipv4/netfilter/ip_conntrack_proto_sctp.c
index 5259abd0fb42..0416073c5600 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_sctp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_sctp.c
@@ -235,12 +235,15 @@ static int do_basic_checks(struct ip_conntrack *conntrack,
                        flag = 1;
                }
-                /* Cookie Ack/Echo chunks not the first OR 
+                /*
-                   Init / Init Ack / Shutdown compl chunks not the only chunks */
+                 * Cookie Ack/Echo chunks not the first OR
-                if ((sch->type == SCTP_CID_COOKIE_ACK 
+                 * Init / Init Ack / Shutdown compl chunks not the only chunks
+                 * OR zero-length.
+                 */
+                if (((sch->type == SCTP_CID_COOKIE_ACK
                        || sch->type == SCTP_CID_COOKIE_ECHO
                        || flag)
-                     && count !=0 ) {
+                      && count !=0) || !sch->length) {
                        DEBUGP("Basic checks failed\n");
                        return 1;
                }
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index 8f760b28617e..67e676783da9 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -219,8 +219,10 @@ ip_nat_out(unsigned int hooknum,
           const struct net_device *out,
           int (*okfn)(struct sk_buff *))
 {
+#ifdef CONFIG_XFRM
        struct ip_conntrack *ct;
        enum ip_conntrack_info ctinfo;
+#endif
        unsigned int ret;
        /* root is playing with raw sockets. */
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index d25ac8ba6eba..cee3397ec277 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -956,15 +956,16 @@ struct compat_ipt_standard_target
        compat_int_t verdict;
 };
-#define IPT_ST_OFFSET   (sizeof(struct ipt_standard_target) - \
-                                sizeof(struct compat_ipt_standard_target))
 struct compat_ipt_standard
 {
        struct compat_ipt_entry entry;
        struct compat_ipt_standard_target target;
 };
+#define IPT_ST_LEN              XT_ALIGN(sizeof(struct ipt_standard_target))
+#define IPT_ST_COMPAT_LEN       COMPAT_XT_ALIGN(sizeof(struct compat_ipt_standard_target))
+#define IPT_ST_OFFSET           (IPT_ST_LEN - IPT_ST_COMPAT_LEN)
 static int compat_ipt_standard_fn(void *target,
                void **dstptr, int *size, int convert)
 {
@@ -975,35 +976,29 @@ static int compat_ipt_standard_fn(void *target,
        ret = 0;
        switch (convert) {
                case COMPAT_TO_USER:
-                        pst = (struct ipt_standard_target *)target;
+                        pst = target;
                        memcpy(&compat_st.target, &pst->target,
-                                        sizeof(struct ipt_entry_target));
+                                sizeof(compat_st.target));
                        compat_st.verdict = pst->verdict;
                        if (compat_st.verdict > 0)
                                compat_st.verdict -=
                                        compat_calc_jump(compat_st.verdict);
-                        compat_st.target.u.user.target_size =
+                        compat_st.target.u.user.target_size = IPT_ST_COMPAT_LEN;
-                        sizeof(struct compat_ipt_standard_target);
+                        if (copy_to_user(*dstptr, &compat_st, IPT_ST_COMPAT_LEN))
-                        if (__copy_to_user(*dstptr, &compat_st,
-                                sizeof(struct compat_ipt_standard_target)))
                                ret = -EFAULT;
                        *size -= IPT_ST_OFFSET;
-                        *dstptr += sizeof(struct compat_ipt_standard_target);
+                        *dstptr += IPT_ST_COMPAT_LEN;
                        break;
                case COMPAT_FROM_USER:
-                        pcompat_st =
+                        pcompat_st = target;
-                                (struct compat_ipt_standard_target *)target;
+                        memcpy(&st.target, &pcompat_st->target, IPT_ST_COMPAT_LEN);
-                        memcpy(&st.target, &pcompat_st->target,
-                                        sizeof(struct ipt_entry_target));
                        st.verdict = pcompat_st->verdict;
                        if (st.verdict > 0)
                                st.verdict += compat_calc_jump(st.verdict);
-                        st.target.u.user.target_size =
+                        st.target.u.user.target_size = IPT_ST_LEN;
-                        sizeof(struct ipt_standard_target);
+                        memcpy(*dstptr, &st, IPT_ST_LEN);
-                        memcpy(*dstptr, &st,
-                                        sizeof(struct ipt_standard_target));
                        *size += IPT_ST_OFFSET;
-                        *dstptr += sizeof(struct ipt_standard_target);
+                        *dstptr += IPT_ST_LEN;
                        break;
                case COMPAT_CALC_SIZE:
                        *size += IPT_ST_OFFSET;
@@ -1446,7 +1441,7 @@ static int compat_copy_entry_to_user(struct ipt_entry *e,
        ret = -EFAULT;
        origsize = *size;
        ce = (struct compat_ipt_entry __user *)*dstptr;
-        if (__copy_to_user(ce, e, sizeof(struct ipt_entry)))
+        if (copy_to_user(ce, e, sizeof(struct ipt_entry)))
                goto out;
        *dstptr += sizeof(struct compat_ipt_entry);
@@ -1464,9 +1459,9 @@ static int compat_copy_entry_to_user(struct ipt_entry *e,
                goto out;
        ret = -EFAULT;
        next_offset = e->next_offset - (origsize - *size);
-        if (__put_user(target_offset, &ce->target_offset))
+        if (put_user(target_offset, &ce->target_offset))
                goto out;
-        if (__put_user(next_offset, &ce->next_offset))
+        if (put_user(next_offset, &ce->next_offset))
                goto out;
        return 0;
 out:
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 87f68e787d0c..e2b7b8055037 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1468,6 +1468,7 @@ void tcp_close(struct sock *sk, long timeout)
 {
        struct sk_buff *skb;
        int data_was_unread = 0;
+        int state;
        lock_sock(sk);
        sk->sk_shutdown = SHUTDOWN_MASK;
@@ -1544,6 +1545,11 @@ void tcp_close(struct sock *sk, long timeout)
        sk_stream_wait_close(sk, timeout);
 adjudge_to_death:
+        state = sk->sk_state;
+        sock_hold(sk);
+        sock_orphan(sk);
+        atomic_inc(sk->sk_prot->orphan_count);
        /* It is the last release_sock in its life. It will remove backlog. */
        release_sock(sk);
@@ -1555,8 +1561,9 @@ adjudge_to_death:
        bh_lock_sock(sk);
        BUG_TRAP(!sock_owned_by_user(sk));
-        sock_hold(sk);
+        /* Have we already been destroyed by a softirq or backlog? */
-        sock_orphan(sk);
+        if (state != TCP_CLOSE && sk->sk_state == TCP_CLOSE)
+                goto out;
        /*      This is a (useful) BSD violating of the RFC. There is a
         *      problem with TCP as specified in that the other end could
@@ -1584,7 +1591,6 @@ adjudge_to_death:
                        if (tmo > TCP_TIMEWAIT_LEN) {
                                inet_csk_reset_keepalive_timer(sk, tcp_fin_time(sk));
                        } else {
-                                atomic_inc(sk->sk_prot->orphan_count);
                                tcp_time_wait(sk, TCP_FIN_WAIT2, tmo);
                                goto out;
                        }
@@ -1603,7 +1609,6 @@ adjudge_to_death:
                        NET_INC_STATS_BH(LINUX_MIB_TCPABORTONMEMORY);
                }
        }
-        atomic_inc(sk->sk_prot->orphan_count);
        if (sk->sk_state == TCP_CLOSE)
                inet_csk_destroy_sock(sk);
diff --git a/net/ipv4/tcp_highspeed.c b/net/ipv4/tcp_highspeed.c
index e0e9d1383c7c..b72fa55dfb84 100644
--- a/net/ipv4/tcp_highspeed.c
+++ b/net/ipv4/tcp_highspeed.c
@@ -137,8 +137,8 @@ static void hstcp_cong_avoid(struct sock *sk, u32 adk, u32 rtt,
                if (tp->snd_cwnd < tp->snd_cwnd_clamp) {
                        tp->snd_cwnd_cnt += ca->ai;
                        if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
-                                tp->snd_cwnd++;
                                tp->snd_cwnd_cnt -= tp->snd_cwnd;
+                                tp->snd_cwnd++;
                        }
                }
        }
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index a28ae593b976..743016baa048 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -465,7 +465,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
        TCP_INC_STATS(TCP_MIB_OUTSEGS);
        err = icsk->icsk_af_ops->queue_xmit(skb, 0);
-        if (unlikely(err <= 0))
+        if (likely(err <= 0))
                return err;
        tcp_enter_cwr(sk);
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 32ad229b4fed..4ef8efaf6a67 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -62,7 +62,7 @@ static void xfrm4_encap(struct sk_buff *skb)
        top_iph->frag_off = (flags & XFRM_STATE_NOPMTUDISC) ?
                0 : (iph->frag_off & htons(IP_DF));
        if (!top_iph->frag_off)
-                __ip_select_ident(top_iph, dst, 0);
+                __ip_select_ident(top_iph, dst->child, 0);
        top_iph->ttl = dst_metric(dst->child, RTAX_HOPLIMIT);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 79078747a646..0190e39096b9 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -317,7 +317,7 @@ static struct rt6_info *rt6_select(struct rt6_info **head, int oif,
                  __FUNCTION__, head, head ? *head : NULL, oif);
        for (rt = rt0, metric = rt0->rt6i_metric;
-             rt && rt->rt6i_metric == metric;
+             rt && rt->rt6i_metric == metric && (!last || rt != rt0);
             rt = rt->u.next) {
                int m;
@@ -343,9 +343,12 @@ static struct rt6_info *rt6_select(struct rt6_info **head, int oif,
            (strict & RT6_SELECT_F_REACHABLE) &&
            last && last != rt0) {
                /* no entries matched; do round-robin */
+                static spinlock_t lock = SPIN_LOCK_UNLOCKED;
+                spin_lock(&lock);
                *head = rt0->u.next;
                rt0->u.next = last->u.next;
                last->u.next = rt0;
+                spin_unlock(&lock);
        }
        RT6_TRACE("%s() => %p, score=%d\n",
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 9cccc325b687..0c6da496cfa9 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -240,12 +240,15 @@ static int do_basic_checks(struct nf_conn *conntrack,
                        flag = 1;
                }
-                /* Cookie Ack/Echo chunks not the first OR 
+                /*
-                   Init / Init Ack / Shutdown compl chunks not the only chunks */
+                 * Cookie Ack/Echo chunks not the first OR
-                if ((sch->type == SCTP_CID_COOKIE_ACK 
+                 * Init / Init Ack / Shutdown compl chunks not the only chunks
+                 * OR zero-length.
+                 */
+                if (((sch->type == SCTP_CID_COOKIE_ACK
                        || sch->type == SCTP_CID_COOKIE_ECHO
                        || flag)
-                     && count !=0 ) {
+                      && count !=0) || !sch->length) {
                        DEBUGP("Basic checks failed\n");
                        return 1;
                }
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 17abf60f9570..99293c63ff73 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -289,7 +289,7 @@ int xt_compat_match(void *match, void **dstptr, int *size, int convert)
                case COMPAT_TO_USER:
                        pm = (struct xt_entry_match *)match;
                        msize = pm->u.user.match_size;
-                        if (__copy_to_user(*dstptr, pm, msize)) {
+                        if (copy_to_user(*dstptr, pm, msize)) {
                                ret = -EFAULT;
                                break;
                        }
@@ -366,7 +366,7 @@ int xt_compat_target(void *target, void **dstptr, int *size, int convert)
                case COMPAT_TO_USER:
                        pt = (struct xt_entry_target *)target;
                        tsize = pt->u.user.target_size;
-                        if (__copy_to_user(*dstptr, pt, tsize)) {
+                        if (copy_to_user(*dstptr, pt, tsize)) {
                                ret = -EFAULT;
                                break;
                        }
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 2a233ffcf618..3862e73d14d7 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -56,12 +56,12 @@
 #include <linux/mm.h>
 #include <linux/types.h>
 #include <linux/audit.h>
+#include <linux/selinux.h>
 #include <net/sock.h>
 #include <net/scm.h>
 #include <net/netlink.h>
-#define Nprintk(a...)
 #define NLGRPSZ(x)      (ALIGN(x, sizeof(unsigned long) * 8) / 8)
 struct netlink_sock {
@@ -1157,6 +1157,7 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock,
        NETLINK_CB(skb).dst_pid = dst_pid;
        NETLINK_CB(skb).dst_group = dst_group;
        NETLINK_CB(skb).loginuid = audit_get_loginuid(current->audit_context);
+        selinux_get_task_sid(current, &(NETLINK_CB(skb).sid));
        memcpy(NETLINK_CREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
        /* What can I do? Netlink is asynchronous, so that
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index d44981f5a619..3669cb953e6e 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -425,11 +425,16 @@ static int nr_create(struct socket *sock, int protocol)
        nr_init_timers(sk);
-        nr->t1     = sysctl_netrom_transport_timeout;
+        nr->t1     =
-        nr->t2     = sysctl_netrom_transport_acknowledge_delay;
+                msecs_to_jiffies(sysctl_netrom_transport_timeout);
-        nr->n2     = sysctl_netrom_transport_maximum_tries;
+        nr->t2     =
-        nr->t4     = sysctl_netrom_transport_busy_delay;
+                msecs_to_jiffies(sysctl_netrom_transport_acknowledge_delay);
-        nr->idle   = sysctl_netrom_transport_no_activity_timeout;
+        nr->n2     =
+                msecs_to_jiffies(sysctl_netrom_transport_maximum_tries);
+        nr->t4     =
+                msecs_to_jiffies(sysctl_netrom_transport_busy_delay);
+        nr->idle   =
+                msecs_to_jiffies(sysctl_netrom_transport_no_activity_timeout);
        nr->window = sysctl_netrom_transport_requested_window_size;
        nr->bpqext = 1;
@@ -1365,8 +1370,6 @@ static struct notifier_block nr_dev_notifier = {
 static struct net_device **dev_nr;
-static char banner[] __initdata = KERN_INFO "G4KLX NET/ROM for Linux. Version 0.7 for AX25.037 Linux 2.4\n";
 static int __init nr_proto_init(void)
 {
        int i;
@@ -1414,7 +1417,6 @@ static int __init nr_proto_init(void)
        }
                
        register_netdevice_notifier(&nr_dev_notifier);
-        printk(banner);
        ax25_protocol_register(AX25_P_NETROM, nr_route_frame);
        ax25_linkfail_register(nr_link_failed);
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index 509afddae569..621e5586ab03 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -185,7 +185,6 @@ static struct net_device_stats *nr_get_stats(struct net_device *dev)
 void nr_setup(struct net_device *dev)
 {
-        SET_MODULE_OWNER(dev);
        dev->mtu                = NR_MAX_PACKET_SIZE;
        dev->hard_start_xmit    = nr_xmit;
        dev->open               = nr_open;
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index ea65396d1619..55564efccf11 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -518,11 +518,11 @@ static int rose_create(struct socket *sock, int protocol)
        init_timer(&rose->timer);
        init_timer(&rose->idletimer);
-        rose->t1   = sysctl_rose_call_request_timeout;
+        rose->t1   = msecs_to_jiffies(sysctl_rose_call_request_timeout);
-        rose->t2   = sysctl_rose_reset_request_timeout;
+        rose->t2   = msecs_to_jiffies(sysctl_rose_reset_request_timeout);
-        rose->t3   = sysctl_rose_clear_request_timeout;
+        rose->t3   = msecs_to_jiffies(sysctl_rose_clear_request_timeout);
-        rose->hb   = sysctl_rose_ack_hold_back_timeout;
+        rose->hb   = msecs_to_jiffies(sysctl_rose_ack_hold_back_timeout);
-        rose->idle = sysctl_rose_no_activity_timeout;
+        rose->idle = msecs_to_jiffies(sysctl_rose_no_activity_timeout);
        rose->state = ROSE_STATE_0;
@@ -1469,8 +1469,6 @@ static struct notifier_block rose_dev_notifier = {
 static struct net_device **dev_rose;
-static const char banner[] = KERN_INFO "F6FBB/G4KLX ROSE for Linux. Version 0.62 for AX25.037 Linux 2.4\n";
 static int __init rose_proto_init(void)
 {
        int i;
@@ -1519,7 +1517,6 @@ static int __init rose_proto_init(void)
        sock_register(&rose_family_ops);
        register_netdevice_notifier(&rose_dev_notifier);
-        printk(banner);
        ax25_protocol_register(AX25_P_ROSE, rose_route_frame);
        ax25_linkfail_register(rose_link_failed);
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index d297af737d10..2a1bf8e119e5 100644
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -135,7 +135,6 @@ static struct net_device_stats *rose_get_stats(struct net_device *dev)
 void rose_setup(struct net_device *dev)
 {
-        SET_MODULE_OWNER(dev);
        dev->mtu                = ROSE_MAX_PACKET_SIZE - 2;
        dev->hard_start_xmit    = rose_xmit;
        dev->open               = rose_open;
diff --git a/net/rose/rose_link.c b/net/rose/rose_link.c
index 09e9e9d04d92..bd86a63960ce 100644
--- a/net/rose/rose_link.c
+++ b/net/rose/rose_link.c
@@ -40,7 +40,8 @@ void rose_start_ftimer(struct rose_neigh *neigh)
        neigh->ftimer.data     = (unsigned long)neigh;
        neigh->ftimer.function = &rose_ftimer_expiry;
-        neigh->ftimer.expires  = jiffies + sysctl_rose_link_fail_timeout;
+        neigh->ftimer.expires  =
+                jiffies + msecs_to_jiffies(sysctl_rose_link_fail_timeout);
        add_timer(&neigh->ftimer);
 }
@@ -51,7 +52,8 @@ static void rose_start_t0timer(struct rose_neigh *neigh)
        neigh->t0timer.data     = (unsigned long)neigh;
        neigh->t0timer.function = &rose_t0timer_expiry;
-        neigh->t0timer.expires  = jiffies + sysctl_rose_restart_request_timeout;
+        neigh->t0timer.expires  =
+                jiffies + msecs_to_jiffies(sysctl_rose_restart_request_timeout);
        add_timer(&neigh->t0timer);
 }
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 8631b65a7312..a22542fa1bc8 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -48,8 +48,6 @@ static DEFINE_SPINLOCK(rose_route_list_lock);
 struct rose_neigh *rose_loopback_neigh;
-static void rose_remove_neigh(struct rose_neigh *);
 /*
 *      Add a new route to a node, and in the process add the node and the
 *      neighbour if it is new.
@@ -235,11 +233,8 @@ static void rose_remove_neigh(struct rose_neigh *rose_neigh)
        skb_queue_purge(&rose_neigh->queue);
-        spin_lock_bh(&rose_neigh_list_lock);
        if ((s = rose_neigh_list) == rose_neigh) {
                rose_neigh_list = rose_neigh->next;
-                spin_unlock_bh(&rose_neigh_list_lock);
                kfree(rose_neigh->digipeat);
                kfree(rose_neigh);
                return;
@@ -248,7 +243,6 @@ static void rose_remove_neigh(struct rose_neigh *rose_neigh)
        while (s != NULL && s->next != NULL) {
                if (s->next == rose_neigh) {
                        s->next = rose_neigh->next;
-                        spin_unlock_bh(&rose_neigh_list_lock);
                        kfree(rose_neigh->digipeat);
                        kfree(rose_neigh);
                        return;
@@ -256,7 +250,6 @@ static void rose_remove_neigh(struct rose_neigh *rose_neigh)
                s = s->next;
        }
-        spin_unlock_bh(&rose_neigh_list_lock);
 }
 /*
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 7228d30512c7..5a4a4d0ae502 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -167,7 +167,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
        if (count == 0) {
                sch->qstats.drops++;
                kfree_skb(skb);
-                return NET_XMIT_DROP;
+                return NET_XMIT_BYPASS;
        }
        /*
diff --git a/net/sctp/inqueue.c b/net/sctp/inqueue.c
index 297b8951463e..cf0c767d43ae 100644
--- a/net/sctp/inqueue.c
+++ b/net/sctp/inqueue.c
@@ -149,6 +149,7 @@ struct sctp_chunk *sctp_inq_pop(struct sctp_inq *queue)
                /* This is the first chunk in the packet.  */
                chunk->singleton = 1;
                ch = (sctp_chunkhdr_t *) chunk->skb->data;
+                chunk->data_accepted = 0;
        }
        chunk->chunk_hdr = ch;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 2b9a832b29a7..8cdba51ec076 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -636,8 +636,9 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
         */
        chunk->subh.cookie_hdr =
                (struct sctp_signed_cookie *)chunk->skb->data;
-        skb_pull(chunk->skb,
+        if (!pskb_pull(chunk->skb, ntohs(chunk->chunk_hdr->length) -
-                 ntohs(chunk->chunk_hdr->length) - sizeof(sctp_chunkhdr_t));
+                                         sizeof(sctp_chunkhdr_t)))
+                goto nomem;
        /* 5.1 D) Upon reception of the COOKIE ECHO chunk, Endpoint
         * "Z" will reply with a COOKIE ACK chunk after building a TCB
@@ -965,7 +966,8 @@ sctp_disposition_t sctp_sf_beat_8_3(const struct sctp_endpoint *ep,
         */
        chunk->subh.hb_hdr = (sctp_heartbeathdr_t *) chunk->skb->data;
        paylen = ntohs(chunk->chunk_hdr->length) - sizeof(sctp_chunkhdr_t);
-        skb_pull(chunk->skb, paylen);
+        if (!pskb_pull(chunk->skb, paylen))
+                goto nomem;
        reply = sctp_make_heartbeat_ack(asoc, chunk,
                                        chunk->subh.hb_hdr, paylen);
@@ -1860,8 +1862,9 @@ sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep,
         * are in good shape.
         */
        chunk->subh.cookie_hdr = (struct sctp_signed_cookie *)chunk->skb->data;
-        skb_pull(chunk->skb, ntohs(chunk->chunk_hdr->length) -
+        if (!pskb_pull(chunk->skb, ntohs(chunk->chunk_hdr->length) -
-                 sizeof(sctp_chunkhdr_t));
+                                        sizeof(sctp_chunkhdr_t)))
+                goto nomem;
        /* In RFC 2960 5.2.4 3, if both Verification Tags in the State Cookie
         * of a duplicate COOKIE ECHO match the Verification Tags of the
@@ -5151,7 +5154,9 @@ static int sctp_eat_data(const struct sctp_association *asoc,
        int tmp;
        __u32 tsn;
        int account_value;
+        struct sctp_tsnmap *map = (struct sctp_tsnmap *)&asoc->peer.tsn_map;
        struct sock *sk = asoc->base.sk;
+        int rcvbuf_over = 0;
        data_hdr = chunk->subh.data_hdr = (sctp_datahdr_t *)chunk->skb->data;
        skb_pull(chunk->skb, sizeof(sctp_datahdr_t));
@@ -5162,10 +5167,16 @@ static int sctp_eat_data(const struct sctp_association *asoc,
        /* ASSERT:  Now skb->data is really the user data.  */
        /*
-         * if we are established, and we have used up our receive
+         * If we are established, and we have used up our receive buffer
-         * buffer memory, drop the frame
+         * memory, think about droping the frame.
-         */
+         * Note that we have an opportunity to improve performance here.
-        if (asoc->state == SCTP_STATE_ESTABLISHED) {
+         * If we accept one chunk from an skbuff, we have to keep all the
+         * memory of that skbuff around until the chunk is read into user
+         * space. Therefore, once we accept 1 chunk we may as well accept all
+         * remaining chunks in the skbuff. The data_accepted flag helps us do
+         * that.
+         */
+        if ((asoc->state == SCTP_STATE_ESTABLISHED) && (!chunk->data_accepted)) {
                /*
                 * If the receive buffer policy is 1, then each
                 * association can allocate up to sk_rcvbuf bytes
@@ -5176,9 +5187,25 @@ static int sctp_eat_data(const struct sctp_association *asoc,
                        account_value = atomic_read(&asoc->rmem_alloc);
                else
                        account_value = atomic_read(&sk->sk_rmem_alloc);
+                if (account_value > sk->sk_rcvbuf) {
-                if (account_value > sk->sk_rcvbuf)
+                        /*
-                        return SCTP_IERROR_IGNORE_TSN;
+                         * We need to make forward progress, even when we are
+                         * under memory pressure, so we always allow the
+                         * next tsn after the ctsn ack point to be accepted.
+                         * This lets us avoid deadlocks in which we have to
+                         * drop frames that would otherwise let us drain the
+                         * receive queue.
+                         */
+                        if ((sctp_tsnmap_get_ctsn(map) + 1) != tsn)
+                                return SCTP_IERROR_IGNORE_TSN;
+                        /*
+                         * We're going to accept the frame but we should renege
+                         * to make space for it. This will send us down that
+                         * path later in this function.
+                         */
+                        rcvbuf_over = 1;
+                }
        }
        /* Process ECN based congestion.
@@ -5226,6 +5253,7 @@ static int sctp_eat_data(const struct sctp_association *asoc,
        datalen -= sizeof(sctp_data_chunk_t);
        deliver = SCTP_CMD_CHUNK_ULP;
+        chunk->data_accepted = 1;
        /* Think about partial delivery. */
        if ((datalen >= asoc->rwnd) && (!asoc->ulpq.pd_mode)) {
@@ -5242,7 +5270,8 @@ static int sctp_eat_data(const struct sctp_association *asoc,
         * large spill over.
         */
        if (!asoc->rwnd || asoc->rwnd_over ||
-            (datalen > asoc->rwnd + asoc->frag_point)) {
+            (datalen > asoc->rwnd + asoc->frag_point) ||
+            rcvbuf_over) {
                /* If this is the next TSN, consider reneging to make
                 * room.   Note: Playing nice with a confused sender.  A
@@ -5250,8 +5279,8 @@ static int sctp_eat_data(const struct sctp_association *asoc,
                 * space and in the future we may want to detect and
                 * do more drastic reneging.
                 */
-                if (sctp_tsnmap_has_gap(&asoc->peer.tsn_map) &&
+                if (sctp_tsnmap_has_gap(map) &&
-                    (sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map) + 1) == tsn) {
+                    (sctp_tsnmap_get_ctsn(map) + 1) == tsn) {
                        SCTP_DEBUG_PRINTK("Reneging for tsn:%u\n", tsn);
                        deliver = SCTP_CMD_RENEGE;
                } else {
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index 75ef10408764..8bcca5676151 100644
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -366,9 +366,9 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
        /* SCTP_STATE_EMPTY */ \
        {.fn = sctp_sf_ootb, .name = "sctp_sf_ootb"}, \
        /* SCTP_STATE_CLOSED */ \
-        {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
+        {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
        /* SCTP_STATE_COOKIE_WAIT */ \
-        {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
+        {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
        /* SCTP_STATE_COOKIE_ECHOED */ \
        {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \
        /* SCTP_STATE_ESTABLISHED */ \
@@ -380,7 +380,7 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
        {.fn = sctp_sf_do_ecne, .name = "sctp_sf_do_ecne"}, \
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
-        {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
+        {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 } /* TYPE_SCTP_ECN_ECNE */
 #define TYPE_SCTP_ECN_CWR { \
@@ -401,7 +401,7 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
        /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
        {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
        /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
-        {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
+        {.fn = sctp_sf_discard_chunk, .name = "sctp_sf_discard_chunk"}, \
 } /* TYPE_SCTP_ECN_CWR */
 #define TYPE_SCTP_SHUTDOWN_COMPLETE { \
@@ -647,7 +647,7 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
        /* SCTP_STATE_EMPTY */ \
        {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
        /* SCTP_STATE_CLOSED */ \
-        {.fn = sctp_sf_bug, .name = "sctp_sf_bug"}, \
+        {.fn = sctp_sf_error_closed, .name = "sctp_sf_error_closed"}, \
        /* SCTP_STATE_COOKIE_WAIT */ \
        {.fn = sctp_sf_do_prm_requestheartbeat,               \
         .name = "sctp_sf_do_prm_requestheartbeat"},          \
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index 2080b2d28c98..575e556aeb3e 100644
--- a/net/sctp/ulpqueue.c
+++ b/net/sctp/ulpqueue.c
@@ -279,6 +279,7 @@ static inline void sctp_ulpq_store_reasm(struct sctp_ulpq *ulpq,
 static struct sctp_ulpevent *sctp_make_reassembled_event(struct sk_buff_head *queue, struct sk_buff *f_frag, struct sk_buff *l_frag)
 {
        struct sk_buff *pos;
+        struct sk_buff *new = NULL;
        struct sctp_ulpevent *event;
        struct sk_buff *pnext, *last;
        struct sk_buff *list = skb_shinfo(f_frag)->frag_list;
@@ -297,11 +298,33 @@ static struct sctp_ulpevent *sctp_make_reassembled_event(struct sk_buff_head *qu
         */
        if (last)
                last->next = pos;
-        else
+        else {
-                skb_shinfo(f_frag)->frag_list = pos;
+                if (skb_cloned(f_frag)) {
+                        /* This is a cloned skb, we can't just modify
+                         * the frag_list.  We need a new skb to do that.
+                         * Instead of calling skb_unshare(), we'll do it
+                         * ourselves since we need to delay the free.
+                         */
+                        new = skb_copy(f_frag, GFP_ATOMIC);
+                        if (!new)
+                                return NULL;    /* try again later */
+                        new->sk = f_frag->sk;
+                        skb_shinfo(new)->frag_list = pos;
+                } else
+                        skb_shinfo(f_frag)->frag_list = pos;
+        }
        /* Remove the first fragment from the reassembly queue.  */
        __skb_unlink(f_frag, queue);
+        /* if we did unshare, then free the old skb and re-assign */
+        if (new) {
+                kfree_skb(f_frag);
+                f_frag = new;
+        }
        while (pos) {
                pnext = pos->next;
diff --git a/net/socket.c b/net/socket.c
index 0ce12dfc7a71..02948b622bd2 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -267,6 +267,8 @@ int move_addr_to_user(void *kaddr, int klen, void __user *uaddr, int __user *ule
                return -EINVAL;
        if(len)
        {
+                if (audit_sockaddr(klen, kaddr))
+                        return -ENOMEM;
                if(copy_to_user(uaddr,kaddr,len))
                        return -EFAULT;
        }
diff --git a/net/x25/x25_timer.c b/net/x25/x25_timer.c
index 0a92e1da3922..71ff3088f6fe 100644
--- a/net/x25/x25_timer.c
+++ b/net/x25/x25_timer.c
@@ -114,8 +114,9 @@ static void x25_heartbeat_expiry(unsigned long param)
                        if (sock_flag(sk, SOCK_DESTROY) ||
                            (sk->sk_state == TCP_LISTEN &&
                             sock_flag(sk, SOCK_DEAD))) {
+                                bh_unlock_sock(sk);
                                x25_destroy_socket(sk);
-                                goto unlock;
+                                return;
                        }
                        break;
@@ -128,7 +129,6 @@ static void x25_heartbeat_expiry(unsigned long param)
        }
 restart_heartbeat:
        x25_start_heartbeat(sk);
-unlock:
        bh_unlock_sock(sk);
 }
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index c3725fe2a8fb..b469c8b54613 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -57,12 +57,12 @@ int xfrm_register_type(struct xfrm_type *type, unsigned short family)
                return -EAFNOSUPPORT;
        typemap = afinfo->type_map;
-        write_lock(&typemap->lock);
+        write_lock_bh(&typemap->lock);
        if (likely(typemap->map[type->proto] == NULL))
                typemap->map[type->proto] = type;
        else
                err = -EEXIST;
-        write_unlock(&typemap->lock);
+        write_unlock_bh(&typemap->lock);
        xfrm_policy_put_afinfo(afinfo);
        return err;
 }
@@ -78,12 +78,12 @@ int xfrm_unregister_type(struct xfrm_type *type, unsigned short family)
                return -EAFNOSUPPORT;
        typemap = afinfo->type_map;
-        write_lock(&typemap->lock);
+        write_lock_bh(&typemap->lock);
        if (unlikely(typemap->map[type->proto] != type))
                err = -ENOENT;
        else
                typemap->map[type->proto] = NULL;
-        write_unlock(&typemap->lock);
+        write_unlock_bh(&typemap->lock);
        xfrm_policy_put_afinfo(afinfo);
        return err;
 }
@@ -1251,7 +1251,7 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
                return -EINVAL;
        if (unlikely(afinfo->family >= NPROTO))
                return -EAFNOSUPPORT;
-        write_lock(&xfrm_policy_afinfo_lock);
+        write_lock_bh(&xfrm_policy_afinfo_lock);
        if (unlikely(xfrm_policy_afinfo[afinfo->family] != NULL))
                err = -ENOBUFS;
        else {
@@ -1268,7 +1268,7 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
                        afinfo->garbage_collect = __xfrm_garbage_collect;
                xfrm_policy_afinfo[afinfo->family] = afinfo;
        }
-        write_unlock(&xfrm_policy_afinfo_lock);
+        write_unlock_bh(&xfrm_policy_afinfo_lock);
        return err;
 }
 EXPORT_SYMBOL(xfrm_policy_register_afinfo);
@@ -1280,7 +1280,7 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo)
                return -EINVAL;
        if (unlikely(afinfo->family >= NPROTO))
                return -EAFNOSUPPORT;
-        write_lock(&xfrm_policy_afinfo_lock);
+        write_lock_bh(&xfrm_policy_afinfo_lock);
        if (likely(xfrm_policy_afinfo[afinfo->family] != NULL)) {
                if (unlikely(xfrm_policy_afinfo[afinfo->family] != afinfo))
                        err = -EINVAL;
@@ -1294,7 +1294,7 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo)
                        afinfo->garbage_collect = NULL;
                }
        }
-        write_unlock(&xfrm_policy_afinfo_lock);
+        write_unlock_bh(&xfrm_policy_afinfo_lock);
        return err;
 }
 EXPORT_SYMBOL(xfrm_policy_unregister_afinfo);
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 3dc3e1f3b7aa..93a2f36ad3db 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1061,7 +1061,7 @@ int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo)
                return -EINVAL;
        if (unlikely(afinfo->family >= NPROTO))
                return -EAFNOSUPPORT;
-        write_lock(&xfrm_state_afinfo_lock);
+        write_lock_bh(&xfrm_state_afinfo_lock);
        if (unlikely(xfrm_state_afinfo[afinfo->family] != NULL))
                err = -ENOBUFS;
        else {
@@ -1069,7 +1069,7 @@ int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo)
                afinfo->state_byspi = xfrm_state_byspi;
                xfrm_state_afinfo[afinfo->family] = afinfo;
        }
-        write_unlock(&xfrm_state_afinfo_lock);
+        write_unlock_bh(&xfrm_state_afinfo_lock);
        return err;
 }
 EXPORT_SYMBOL(xfrm_state_register_afinfo);
@@ -1081,7 +1081,7 @@ int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo)
                return -EINVAL;
        if (unlikely(afinfo->family >= NPROTO))
                return -EAFNOSUPPORT;
-        write_lock(&xfrm_state_afinfo_lock);
+        write_lock_bh(&xfrm_state_afinfo_lock);
        if (likely(xfrm_state_afinfo[afinfo->family] != NULL)) {
                if (unlikely(xfrm_state_afinfo[afinfo->family] != afinfo))
                        err = -EINVAL;
@@ -1091,7 +1091,7 @@ int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo)
                        afinfo->state_bydst = NULL;
                }
        }
-        write_unlock(&xfrm_state_afinfo_lock);
+        write_unlock_bh(&xfrm_state_afinfo_lock);
        return err;
 }
 EXPORT_SYMBOL(xfrm_state_unregister_afinfo);
diff --git a/security/dummy.c b/security/dummy.c
index fd99429278e9..8ccccccc12ac 100644
--- a/security/dummy.c
+++ b/security/dummy.c
@@ -563,11 +563,6 @@ static int dummy_ipc_permission (struct kern_ipc_perm *ipcp, short flag)
        return 0;
 }
-static int dummy_ipc_getsecurity(struct kern_ipc_perm *ipcp, void *buffer, size_t size)
-{
-        return -EOPNOTSUPP;
-}
 static int dummy_msg_msg_alloc_security (struct msg_msg *msg)
 {
        return 0;
@@ -976,7 +971,6 @@ void security_fixup_ops (struct security_operations *ops)
        set_to_dummy_if_null(ops, task_reparent_to_init);
        set_to_dummy_if_null(ops, task_to_inode);
        set_to_dummy_if_null(ops, ipc_permission);
-        set_to_dummy_if_null(ops, ipc_getsecurity);
        set_to_dummy_if_null(ops, msg_msg_alloc_security);
        set_to_dummy_if_null(ops, msg_msg_free_security);
        set_to_dummy_if_null(ops, msg_queue_alloc_security);
diff --git a/security/selinux/Makefile b/security/selinux/Makefile
index 688c0a267b62..faf2e02e4410 100644
--- a/security/selinux/Makefile
+++ b/security/selinux/Makefile
@@ -4,7 +4,7 @@
 obj-$(CONFIG_SECURITY_SELINUX) := selinux.o ss/
-selinux-y := avc.o hooks.o selinuxfs.o netlink.o nlmsgtab.o netif.o
+selinux-y := avc.o hooks.o selinuxfs.o netlink.o nlmsgtab.o netif.o exports.o
 selinux-$(CONFIG_SECURITY_NETWORK_XFRM) += xfrm.o
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index ac5d69bb3377..a300702da527 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -800,7 +800,7 @@ out:
 int avc_ss_reset(u32 seqno)
 {
        struct avc_callback_node *c;
-        int i, rc = 0;
+        int i, rc = 0, tmprc;
        unsigned long flag;
        struct avc_node *node;
@@ -813,15 +813,16 @@ int avc_ss_reset(u32 seqno)
        for (c = avc_callbacks; c; c = c->next) {
                if (c->events & AVC_CALLBACK_RESET) {
-                        rc = c->callback(AVC_CALLBACK_RESET,
+                        tmprc = c->callback(AVC_CALLBACK_RESET,
-                                         0, 0, 0, 0, NULL);
+                                            0, 0, 0, 0, NULL);
-                        if (rc)
+                        /* save the first error encountered for the return
-                                goto out;
+                           value and continue processing the callbacks */
+                        if (!rc)
+                                rc = tmprc;
                }
        }
        avc_latest_notif_update(seqno, 0);
-out:
        return rc;
 }
diff --git a/security/selinux/exports.c b/security/selinux/exports.c
new file mode 100644
index 000000000000..ae4c73eb3085
--- /dev/null
+++ b/security/selinux/exports.c
@@ -0,0 +1,74 @@
+/*
+ * SELinux services exported to the rest of the kernel.
+ *
+ * Author: James Morris <jmorris@redhat.com>
+ *
+ * Copyright (C) 2005 Red Hat, Inc., James Morris <jmorris@redhat.com>
+ * Copyright (C) 2006 Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
+ * Copyright (C) 2006 IBM Corporation, Timothy R. Chavez <tinytim@us.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ */
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/selinux.h>
+#include <linux/fs.h>
+#include <linux/ipc.h>
+#include "security.h"
+#include "objsec.h"
+void selinux_task_ctxid(struct task_struct *tsk, u32 *ctxid)
+{
+        struct task_security_struct *tsec = tsk->security;
+        if (selinux_enabled)
+                *ctxid = tsec->sid;
+        else
+                *ctxid = 0;
+}
+int selinux_ctxid_to_string(u32 ctxid, char **ctx, u32 *ctxlen)
+{
+        if (selinux_enabled)
+                return security_sid_to_context(ctxid, ctx, ctxlen);
+        else {
+                *ctx = NULL;
+                *ctxlen = 0;
+        }
+        return 0;
+}
+void selinux_get_inode_sid(const struct inode *inode, u32 *sid)
+{
+        if (selinux_enabled) {
+                struct inode_security_struct *isec = inode->i_security;
+                *sid = isec->sid;
+                return;
+        }
+        *sid = 0;
+}
+void selinux_get_ipc_sid(const struct kern_ipc_perm *ipcp, u32 *sid)
+{
+        if (selinux_enabled) {
+                struct ipc_security_struct *isec = ipcp->security;
+                *sid = isec->sid;
+                return;
+        }
+        *sid = 0;
+}
+void selinux_get_task_sid(struct task_struct *tsk, u32 *sid)
+{
+        if (selinux_enabled) {
+                struct task_security_struct *tsec = tsk->security;
+                *sid = tsec->sid;
+                return;
+        }
+        *sid = 0;
+}
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index b61b9554bc27..d987048d3f33 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -101,6 +101,8 @@ static int __init selinux_enabled_setup(char *str)
        return 1;
 }
 __setup("selinux=", selinux_enabled_setup);
+#else
+int selinux_enabled = 1;
 #endif
 /* Original (dummy) security module. */
@@ -4052,13 +4054,6 @@ static int selinux_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
        return ipc_has_perm(ipcp, av);
 }
-static int selinux_ipc_getsecurity(struct kern_ipc_perm *ipcp, void *buffer, size_t size)
-{
-        struct ipc_security_struct *isec = ipcp->security;
-        return selinux_getsecurity(isec->sid, buffer, size);
-}
 /* module stacking operations */
 static int selinux_register_security (const char *name, struct security_operations *ops)
 {
@@ -4321,7 +4316,6 @@ static struct security_operations selinux_ops = {
        .task_to_inode =                selinux_task_to_inode,
        .ipc_permission =               selinux_ipc_permission,
-        .ipc_getsecurity =              selinux_ipc_getsecurity,
        .msg_msg_alloc_security =       selinux_msg_msg_alloc_security,
        .msg_msg_free_security =        selinux_msg_msg_free_security,
@@ -4543,6 +4537,7 @@ int selinux_disable(void)
        printk(KERN_INFO "SELinux:  Disabled at runtime.\n");
        selinux_disabled = 1;
+        selinux_enabled = 0;
        /* Reset security_ops to the secondary module, dummy or capability. */
        security_ops = secondary_ops;
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 5f016c98056f..063af47bb231 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -29,12 +29,7 @@
 #define POLICYDB_VERSION_MIN   POLICYDB_VERSION_BASE
 #define POLICYDB_VERSION_MAX   POLICYDB_VERSION_AVTAB
-#ifdef CONFIG_SECURITY_SELINUX_BOOTPARAM
 extern int selinux_enabled;
-#else
-#define selinux_enabled 1
-#endif
 extern int selinux_mls_enabled;
 int security_load_policy(void * data, size_t len);
diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index 84047f69f9c1..7bc5b6440f70 100644
--- a/security/selinux/ss/mls.c
+++ b/security/selinux/ss/mls.c
@@ -8,7 +8,7 @@
 *
 *      Support for enhanced MLS infrastructure.
 *
- * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc.
+ * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
 */
 #include <linux/kernel.h>
@@ -385,6 +385,34 @@ out:
 }
 /*
+ * Set the MLS fields in the security context structure
+ * `context' based on the string representation in
+ * the string `str'.  This function will allocate temporary memory with the
+ * given constraints of gfp_mask.
+ */
+int mls_from_string(char *str, struct context *context, gfp_t gfp_mask)
+{
+        char *tmpstr, *freestr;
+        int rc;
+        if (!selinux_mls_enabled)
+                return -EINVAL;
+        /* we need freestr because mls_context_to_sid will change
+           the value of tmpstr */
+        tmpstr = freestr = kstrdup(str, gfp_mask);
+        if (!tmpstr) {
+                rc = -ENOMEM;
+        } else {
+                rc = mls_context_to_sid(':', &tmpstr, context,
+                                        NULL, SECSID_NULL);
+                kfree(freestr);
+        }
+        return rc;
+}
+/*
 * Copies the effective MLS range from `src' into `dst'.
 */
 static inline int mls_scopy_context(struct context *dst,
diff --git a/security/selinux/ss/mls.h b/security/selinux/ss/mls.h
index 03de697c8058..fbb42f07dd7c 100644
--- a/security/selinux/ss/mls.h
+++ b/security/selinux/ss/mls.h
@@ -8,7 +8,7 @@
 *
 *      Support for enhanced MLS infrastructure.
 *
- * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc.
+ * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
 */
 #ifndef _SS_MLS_H_
@@ -27,6 +27,8 @@ int mls_context_to_sid(char oldc,
                       struct sidtab *s,
                       u32 def_sid);
+int mls_from_string(char *str, struct context *context, gfp_t gfp_mask);
 int mls_convert_context(struct policydb *oldp,
                        struct policydb *newp,
                        struct context *context);
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 61492485de84..7177e98df7f3 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -7,12 +7,13 @@
 * Updated: Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com>
 *
 *      Support for enhanced MLS infrastructure.
+ *      Support for context based audit filters.
 *
 * Updated: Frank Mayer <mayerf@tresys.com> and Karl MacMillan <kmacmillan@tresys.com>
 *
 *      Added conditional policy language extensions
 *
- * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc.
+ * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
 * Copyright (C) 2003 - 2004 Tresys Technology, LLC
 * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com>
 *      This program is free software; you can redistribute it and/or modify
@@ -1811,3 +1812,235 @@ out:
        POLICY_RDUNLOCK;
        return rc;
 }
+struct selinux_audit_rule {
+        u32 au_seqno;
+        struct context au_ctxt;
+};
+void selinux_audit_rule_free(struct selinux_audit_rule *rule)
+{
+        if (rule) {
+                context_destroy(&rule->au_ctxt);
+                kfree(rule);
+        }
+}
+int selinux_audit_rule_init(u32 field, u32 op, char *rulestr,
+                            struct selinux_audit_rule **rule)
+{
+        struct selinux_audit_rule *tmprule;
+        struct role_datum *roledatum;
+        struct type_datum *typedatum;
+        struct user_datum *userdatum;
+        int rc = 0;
+        *rule = NULL;
+        if (!ss_initialized)
+                return -ENOTSUPP;
+        switch (field) {
+        case AUDIT_SE_USER:
+        case AUDIT_SE_ROLE:
+        case AUDIT_SE_TYPE:
+                /* only 'equals' and 'not equals' fit user, role, and type */
+                if (op != AUDIT_EQUAL && op != AUDIT_NOT_EQUAL)
+                        return -EINVAL;
+                break;
+        case AUDIT_SE_SEN:
+        case AUDIT_SE_CLR:
+                /* we do not allow a range, indicated by the presense of '-' */
+                if (strchr(rulestr, '-'))
+                        return -EINVAL;
+                break;
+        default:
+                /* only the above fields are valid */
+                return -EINVAL;
+        }
+        tmprule = kzalloc(sizeof(struct selinux_audit_rule), GFP_KERNEL);
+        if (!tmprule)
+                return -ENOMEM;
+        context_init(&tmprule->au_ctxt);
+        POLICY_RDLOCK;
+        tmprule->au_seqno = latest_granting;
+        switch (field) {
+        case AUDIT_SE_USER:
+                userdatum = hashtab_search(policydb.p_users.table, rulestr);
+                if (!userdatum)
+                        rc = -EINVAL;
+                else
+                        tmprule->au_ctxt.user = userdatum->value;
+                break;
+        case AUDIT_SE_ROLE:
+                roledatum = hashtab_search(policydb.p_roles.table, rulestr);
+                if (!roledatum)
+                        rc = -EINVAL;
+                else
+                        tmprule->au_ctxt.role = roledatum->value;
+                break;
+        case AUDIT_SE_TYPE:
+                typedatum = hashtab_search(policydb.p_types.table, rulestr);
+                if (!typedatum)
+                        rc = -EINVAL;
+                else
+                        tmprule->au_ctxt.type = typedatum->value;
+                break;
+        case AUDIT_SE_SEN:
+        case AUDIT_SE_CLR:
+                rc = mls_from_string(rulestr, &tmprule->au_ctxt, GFP_ATOMIC);
+                break;
+        }
+        POLICY_RDUNLOCK;
+        if (rc) {
+                selinux_audit_rule_free(tmprule);
+                tmprule = NULL;
+        }
+        *rule = tmprule;
+        return rc;
+}
+int selinux_audit_rule_match(u32 ctxid, u32 field, u32 op,
+                             struct selinux_audit_rule *rule,
+                             struct audit_context *actx)
+{
+        struct context *ctxt;
+        struct mls_level *level;
+        int match = 0;
+        if (!rule) {
+                audit_log(actx, GFP_ATOMIC, AUDIT_SELINUX_ERR,
+                          "selinux_audit_rule_match: missing rule\n");
+                return -ENOENT;
+        }
+        POLICY_RDLOCK;
+        if (rule->au_seqno < latest_granting) {
+                audit_log(actx, GFP_ATOMIC, AUDIT_SELINUX_ERR,
+                          "selinux_audit_rule_match: stale rule\n");
+                match = -ESTALE;
+                goto out;
+        }
+        ctxt = sidtab_search(&sidtab, ctxid);
+        if (!ctxt) {
+                audit_log(actx, GFP_ATOMIC, AUDIT_SELINUX_ERR,
+                          "selinux_audit_rule_match: unrecognized SID %d\n",
+                          ctxid);
+                match = -ENOENT;
+                goto out;
+        }
+        /* a field/op pair that is not caught here will simply fall through
+           without a match */
+        switch (field) {
+        case AUDIT_SE_USER:
+                switch (op) {
+                case AUDIT_EQUAL:
+                        match = (ctxt->user == rule->au_ctxt.user);
+                        break;
+                case AUDIT_NOT_EQUAL:
+                        match = (ctxt->user != rule->au_ctxt.user);
+                        break;
+                }
+                break;
+        case AUDIT_SE_ROLE:
+                switch (op) {
+                case AUDIT_EQUAL:
+                        match = (ctxt->role == rule->au_ctxt.role);
+                        break;
+                case AUDIT_NOT_EQUAL:
+                        match = (ctxt->role != rule->au_ctxt.role);
+                        break;
+                }
+                break;
+        case AUDIT_SE_TYPE:
+                switch (op) {
+                case AUDIT_EQUAL:
+                        match = (ctxt->type == rule->au_ctxt.type);
+                        break;
+                case AUDIT_NOT_EQUAL:
+                        match = (ctxt->type != rule->au_ctxt.type);
+                        break;
+                }
+                break;
+        case AUDIT_SE_SEN:
+        case AUDIT_SE_CLR:
+                level = (op == AUDIT_SE_SEN ?
+                         &ctxt->range.level[0] : &ctxt->range.level[1]);
+                switch (op) {
+                case AUDIT_EQUAL:
+                        match = mls_level_eq(&rule->au_ctxt.range.level[0],
+                                             level);
+                        break;
+                case AUDIT_NOT_EQUAL:
+                        match = !mls_level_eq(&rule->au_ctxt.range.level[0],
+                                              level);
+                        break;
+                case AUDIT_LESS_THAN:
+                        match = (mls_level_dom(&rule->au_ctxt.range.level[0],
+                                               level) &&
+                                 !mls_level_eq(&rule->au_ctxt.range.level[0],
+                                               level));
+                        break;
+                case AUDIT_LESS_THAN_OR_EQUAL:
+                        match = mls_level_dom(&rule->au_ctxt.range.level[0],
+                                              level);
+                        break;
+                case AUDIT_GREATER_THAN:
+                        match = (mls_level_dom(level,
+                                              &rule->au_ctxt.range.level[0]) &&
+                                 !mls_level_eq(level,
+                                               &rule->au_ctxt.range.level[0]));
+                        break;
+                case AUDIT_GREATER_THAN_OR_EQUAL:
+                        match = mls_level_dom(level,
+                                              &rule->au_ctxt.range.level[0]);
+                        break;
+                }
+        }
+out:
+        POLICY_RDUNLOCK;
+        return match;
+}
+static int (*aurule_callback)(void) = NULL;
+static int aurule_avc_callback(u32 event, u32 ssid, u32 tsid,
+                               u16 class, u32 perms, u32 *retained)
+{
+        int err = 0;
+        if (event == AVC_CALLBACK_RESET && aurule_callback)
+                err = aurule_callback();
+        return err;
+}
+static int __init aurule_init(void)
+{
+        int err;
+        err = avc_add_callback(aurule_avc_callback, AVC_CALLBACK_RESET,
+                               SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0);
+        if (err)
+                panic("avc_add_callback() failed, error %d\n", err);
+        return err;
+}
+__initcall(aurule_init);
+void selinux_audit_set_callback(int (*callback)(void))
+{
+        aurule_callback = callback;
+}
author	David Woodhouse <dwmw2@infradead.org>	2006-05-06 14:59:18 -0400
committer	David Woodhouse <dwmw2@infradead.org>	2006-05-06 14:59:18 -0400
commit	5047f09b56d0bc3c21aec9cb16de60283da645c6 (patch)
tree	09a07554b933c3bb912ce3bfc0ea7c7e1f16041c
parent	c0f1fe00c3923135b2c2f443448585482da8a53e (diff)
parent	5528e568a760442e0ec8fd2dea1f0791875a066b (diff)