128 files changed, 1306 insertions, 798 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-asus-laptop b/Documentation/ABI/testing/sysfs-platform-asus-laptop
index 1d775390e856..41ff8ae4dee0 100644
--- a/Documentation/ABI/testing/sysfs-platform-asus-laptop
+++ b/Documentation/ABI/testing/sysfs-platform-asus-laptop
@@ -47,6 +47,20 @@ Date:		January 2007
 KernelVersion:  2.6.20
 Contact:        "Corentin Chary" <corentincj@iksaif.net>
 Description:
-                Control the bluetooth device. 1 means on, 0 means off.
+                Control the wlan device. 1 means on, 0 means off.
                This may control the led, the device or both.
 Users:          Lapsus
+What:           /sys/devices/platform/asus_laptop/wimax
+Date:           October 2010
+KernelVersion:  2.6.37
+Contact:        "Corentin Chary" <corentincj@iksaif.net>
+Description:
+                Control the wimax device. 1 means on, 0 means off.
+What:           /sys/devices/platform/asus_laptop/wwan
+Date:           October 2010
+KernelVersion:  2.6.37
+Contact:        "Corentin Chary" <corentincj@iksaif.net>
+Description:
+                Control the wwan (3G) device. 1 means on, 0 means off.
diff --git a/Documentation/ABI/testing/sysfs-platform-eeepc-wmi b/Documentation/ABI/testing/sysfs-platform-eeepc-wmi
new file mode 100644
index 000000000000..e4b5fef5fadd
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-eeepc-wmi
@@ -0,0 +1,10 @@
+What:           /sys/devices/platform/eeepc-wmi/cpufv
+Date:           Oct 2010
+KernelVersion:  2.6.37
+Contact:        "Corentin Chary" <corentincj@iksaif.net>
+Description:
+                Change CPU clock configuration (write-only).
+                There are three available clock configuration:
+                    * 0 -> Super Performance Mode
+                    * 1 -> High Performance Mode
+                    * 2 -> Power Saving Mode
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index ed7e5efc06d8..55c28b79d8dc 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -660,11 +660,10 @@ struct address_space_operations {
  releasepage: releasepage is called on PagePrivate pages to indicate
        that the page should be freed if possible.  ->releasepage
        should remove any private data from the page and clear the
-        PagePrivate flag.  It may also remove the page from the
+        PagePrivate flag. If releasepage() fails for some reason, it must
-        address_space.  If this fails for some reason, it may indicate
+        indicate failure with a 0 return value.
-        failure with a 0 return value.
+        releasepage() is used in two distinct though related cases.  The
-        This is used in two distinct though related cases.  The first
+        first is when the VM finds a clean page with no active users and
-        is when the VM finds a clean page with no active users and
        wants to make it a free page.  If ->releasepage succeeds, the
        page will be removed from the address_space and become free.
diff --git a/Makefile b/Makefile
index 9e3c89030f5c..3d94974542ea 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 37
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc5
 NAME = Flesh-Eating Bats with Fangs
 # *DOCUMENTATION*
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index db524e75c4a2..f1d9297b1050 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -9,7 +9,7 @@ config ARM
        select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI)
        select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
        select HAVE_ARCH_KGDB
-        select HAVE_KPROBES if (!XIP_KERNEL)
+        select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL)
        select HAVE_KRETPROBES if (HAVE_KPROBES)
        select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
        select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 4a590f4113e2..4d26f2c52a75 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -70,12 +70,7 @@ else
 $(obj)/uImage: LOADADDR=$(ZRELADDR)
 endif
-ifeq ($(CONFIG_THUMB2_KERNEL),y)
-# Set bit 0 to 1 so that "mov pc, rx" switches to Thumb-2 mode
-$(obj)/uImage: STARTADDR=$(shell echo $(LOADADDR) | sed -e "s/.$$/1/")
-else
 $(obj)/uImage: STARTADDR=$(LOADADDR)
-endif
 $(obj)/uImage:  $(obj)/zImage FORCE
        $(call if_changed,uimage)
diff --git a/arch/arm/boot/bootp/init.S b/arch/arm/boot/bootp/init.S
index 8b0de41c3dcb..78b508075161 100644
--- a/arch/arm/boot/bootp/init.S
+++ b/arch/arm/boot/bootp/init.S
@@ -73,6 +73,8 @@ move:		ldmia	r4!, {r7 - r10}		@ move 32-bytes at a time
                .size   _start, . - _start
+                .align
                .type   data,#object
 data:           .word   initrd_start            @ source initrd address
                .word   initrd_phys             @ destination initrd address
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 9be21ba648cd..7193884ed8b0 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -125,9 +125,13 @@ wait:		mrc	p14, 0, pc, c0, c1, 0
 * sort out different calling conventions
 */
                .align
+                .arm                            @ Always enter in ARM state
 start:
                .type   start,#function
-                .rept   8
+ THUMB(         adr     r12, BSYM(1f)   )
+ THUMB(         bx      r12             )
+ THUMB(         .rept   6               )
+ ARM(           .rept   8               )
                mov     r0, r0
                .endr
@@ -135,6 +139,7 @@ start:
                .word   0x016f2818              @ Magic numbers to help the loader
                .word   start                   @ absolute load/run zImage address
                .word   _edata                  @ zImage end address
+ THUMB(         .thumb                  )
 1:              mov     r7, r1                  @ save architecture ID
                mov     r8, r2                  @ save atags pointer
@@ -174,7 +179,8 @@ not_angel:
                ldr     sp, [r0, #28]
 #ifdef CONFIG_AUTO_ZRELADDR
                @ determine final kernel image address
-                and     r4, pc, #0xf8000000
+                mov     r4, pc
+                and     r4, r4, #0xf8000000
                add     r4, r4, #TEXT_OFFSET
 #else
                ldr     r4, =zreladdr
@@ -445,7 +451,8 @@ __setup_mmu:	sub	r3, r4, #16384		@ Page directory size
 */
                mov     r1, #0x1e
                orr     r1, r1, #3 << 10
-                mov     r2, pc, lsr #20
+                mov     r2, pc
+                mov     r2, r2, lsr #20
                orr     r1, r1, r2, lsl #20
                add     r0, r3, r2, lsl #2
                str     r1, [r0], #4
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index 772f95f1aecd..e6388dcd8cfa 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -146,9 +146,15 @@ static int gic_set_cpu(unsigned int irq, const struct cpumask *mask_val)
        unsigned int shift = (irq % 4) * 8;
        unsigned int cpu = cpumask_first(mask_val);
        u32 val;
+        struct irq_desc *desc;
        spin_lock(&irq_controller_lock);
-        irq_desc[irq].node = cpu;
+        desc = irq_to_desc(irq);
+        if (desc == NULL) {
+                spin_unlock(&irq_controller_lock);
+                return -EINVAL;
+        }
+        desc->node = cpu;
        val = readl(reg) & ~(0xff << shift);
        val |= 1 << (cpu + shift);
        writel(val, reg);
@@ -210,7 +216,7 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
 void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
                          unsigned int irq_start)
 {
-        unsigned int max_irq, i;
+        unsigned int gic_irqs, irq_limit, i;
        u32 cpumask = 1 << smp_processor_id();
        if (gic_nr >= MAX_GIC_NR)
@@ -226,47 +232,49 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
        /*
         * Find out how many interrupts are supported.
-         */
-        max_irq = readl(base + GIC_DIST_CTR) & 0x1f;
-        max_irq = (max_irq + 1) * 32;
-        /*
         * The GIC only supports up to 1020 interrupt sources.
-         * Limit this to either the architected maximum, or the
-         * platform maximum.
         */
-        if (max_irq > max(1020, NR_IRQS))
+        gic_irqs = readl(base + GIC_DIST_CTR) & 0x1f;
-                max_irq = max(1020, NR_IRQS);
+        gic_irqs = (gic_irqs + 1) * 32;
+        if (gic_irqs > 1020)
+                gic_irqs = 1020;
        /*
         * Set all global interrupts to be level triggered, active low.
         */
-        for (i = 32; i < max_irq; i += 16)
+        for (i = 32; i < gic_irqs; i += 16)
                writel(0, base + GIC_DIST_CONFIG + i * 4 / 16);
        /*
         * Set all global interrupts to this CPU only.
         */
-        for (i = 32; i < max_irq; i += 4)
+        for (i = 32; i < gic_irqs; i += 4)
                writel(cpumask, base + GIC_DIST_TARGET + i * 4 / 4);
        /*
         * Set priority on all global interrupts.
         */
-        for (i = 32; i < max_irq; i += 4)
+        for (i = 32; i < gic_irqs; i += 4)
                writel(0xa0a0a0a0, base + GIC_DIST_PRI + i * 4 / 4);
        /*
         * Disable all interrupts.  Leave the PPI and SGIs alone
         * as these enables are banked registers.
         */
-        for (i = 32; i < max_irq; i += 32)
+        for (i = 32; i < gic_irqs; i += 32)
                writel(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32);
        /*
+         * Limit number of interrupts registered to the platform maximum
+         */
+        irq_limit = gic_data[gic_nr].irq_offset + gic_irqs;
+        if (WARN_ON(irq_limit > NR_IRQS))
+                irq_limit = NR_IRQS;
+        /*
         * Setup the Linux IRQ subsystem.
         */
-        for (i = irq_start; i < gic_data[gic_nr].irq_offset + max_irq; i++) {
+        for (i = irq_start; i < irq_limit; i++) {
                set_irq_chip(i, &gic_chip);
                set_irq_chip_data(i, &gic_data[gic_nr]);
                set_irq_handler(i, handle_level_irq);
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index c09e3573c5de..bb96a7d4bbf5 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -911,7 +911,7 @@ __kuser_cmpxchg:				@ 0xffff0fc0
         * A special ghost syscall is used for that (see traps.c).
         */
        stmfd   sp!, {r7, lr}
-        ldr     r7, =1f                 @ it's 20 bits
+        ldr     r7, 1f                  @ it's 20 bits
        swi     __ARM_NR_cmpxchg
        ldmfd   sp!, {r7, pc}
 1:      .word   __ARM_NR_cmpxchg
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index dd6b369ac69c..6bd82d25683c 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -85,9 +85,11 @@ ENTRY(stext)
        mrc     p15, 0, r9, c0, c0              @ get processor id
        bl      __lookup_processor_type         @ r5=procinfo r9=cpuid
        movs    r10, r5                         @ invalid processor (r5=0)?
+ THUMB( it      eq )            @ force fixup-able long branch encoding
        beq     __error_p                       @ yes, error 'p'
        bl      __lookup_machine_type           @ r5=machinfo
        movs    r8, r5                          @ invalid machine (r5=0)?
+ THUMB( it      eq )            @ force fixup-able long branch encoding
        beq     __error_a                       @ yes, error 'a'
        bl      __vet_atags
 #ifdef CONFIG_SMP_ON_UP
@@ -262,6 +264,7 @@ __create_page_tables:
        mov     pc, lr
 ENDPROC(__create_page_tables)
        .ltorg
+        .align
 __enable_mmu_loc:
        .long   .
        .long   __enable_mmu
@@ -282,6 +285,7 @@ ENTRY(secondary_startup)
        bl      __lookup_processor_type
        movs    r10, r5                         @ invalid processor?
        moveq   r0, #'p'                        @ yes, error 'p'
+ THUMB( it      eq )            @ force fixup-able long branch encoding
        beq     __error_p
        /*
@@ -308,6 +312,8 @@ ENTRY(__secondary_switched)
        b       secondary_start_kernel
 ENDPROC(__secondary_switched)
+        .align
        .type   __secondary_data, %object
 __secondary_data:
        .long   .
@@ -413,6 +419,7 @@ __fixup_smp_on_up:
        mov     pc, lr
 ENDPROC(__fixup_smp)
+        .align
 1:      .word   .
        .word   __smpalt_begin
        .word   __smpalt_end
diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S
index fd26f8d65151..9cf4cbf8f95b 100644
--- a/arch/arm/kernel/relocate_kernel.S
+++ b/arch/arm/kernel/relocate_kernel.S
@@ -59,6 +59,8 @@ relocate_new_kernel:
        ldr r2,kexec_boot_atags
        mov pc,lr
+        .align
        .globl kexec_start_address
 kexec_start_address:
        .long   0x0
diff --git a/arch/arm/mach-cns3xxx/pcie.c b/arch/arm/mach-cns3xxx/pcie.c
index 38088c36936c..78defd71a829 100644
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -369,7 +369,7 @@ static int __init cns3xxx_pcie_init(void)
 {
        int i;
-        hook_fault_code(16 + 6, cns3xxx_pcie_abort_handler, SIGBUS,
+        hook_fault_code(16 + 6, cns3xxx_pcie_abort_handler, SIGBUS, 0,
                        "imprecise external abort");
        for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
diff --git a/arch/arm/mach-realview/headsmp.S b/arch/arm/mach-realview/headsmp.S
index 4075473cf68a..b34be4554d40 100644
--- a/arch/arm/mach-realview/headsmp.S
+++ b/arch/arm/mach-realview/headsmp.S
@@ -35,5 +35,6 @@ pen:	ldr	r7, [r6]
         */
        b       secondary_startup
+        .align
 1:      .long   .
        .long   pen_release
diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S
index 8ea3bffb4e00..a0e7c12868bd 100644
--- a/arch/arm/mach-tegra/include/mach/debug-macro.S
+++ b/arch/arm/mach-tegra/include/mach/debug-macro.S
@@ -21,8 +21,8 @@
 #include <mach/io.h>
        .macro  addruart, rp, rv
-        ldreq   \rp, =IO_APB_PHYS       @ physical
+        ldr     \rp, =IO_APB_PHYS       @ physical
-        ldrne   \rv, =IO_APB_VIRT        @ virtual
+        ldr     \rv, =IO_APB_VIRT        @ virtual
 #if defined(CONFIG_TEGRA_DEBUG_UART_NONE)
 #error "A debug UART must be selected in the kernel config to use DEBUG_LL"
 #elif defined(CONFIG_TEGRA_DEBUG_UARTA)
diff --git a/arch/arm/mach-vexpress/headsmp.S b/arch/arm/mach-vexpress/headsmp.S
index 8a78ff68e1ee..7a3f0632947c 100644
--- a/arch/arm/mach-vexpress/headsmp.S
+++ b/arch/arm/mach-vexpress/headsmp.S
@@ -35,5 +35,6 @@ pen:	ldr	r7, [r6]
         */
        b       secondary_startup
+        .align
 1:      .long   .
        .long   pen_release
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 53cbe2225153..9b9ff5d949fd 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -381,7 +381,7 @@ __v7_ca9mp_proc_info:
                PMD_SECT_XN | \
                PMD_SECT_AP_WRITE | \
                PMD_SECT_AP_READ
-        b       __v7_ca9mp_setup
+        W(b)    __v7_ca9mp_setup
        .long   cpu_arch_name
        .long   cpu_elf_name
        .long   HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_TLS
@@ -413,7 +413,7 @@ __v7_proc_info:
                PMD_SECT_XN | \
                PMD_SECT_AP_WRITE | \
                PMD_SECT_AP_READ
-        b       __v7_setup
+        W(b)    __v7_setup
        .long   cpu_arch_name
        .long   cpu_elf_name
        .long   HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_TLS
diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c
index 85d3e55ca4a9..558cdfaf76b6 100644
--- a/arch/arm/plat-iop/time.c
+++ b/arch/arm/plat-iop/time.c
@@ -18,6 +18,7 @@
 #include <linux/time.h>
 #include <linux/init.h>
 #include <linux/timex.h>
+#include <linux/sched.h>
 #include <linux/io.h>
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
@@ -36,7 +37,7 @@
 /*
 * IOP clocksource (free-running timer 1).
 */
-static cycle_t iop_clocksource_read(struct clocksource *unused)
+static cycle_t notrace iop_clocksource_read(struct clocksource *unused)
 {
        return 0xffffffffu - read_tcr1();
 }
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index d66cead97d28..9897dcfc16d6 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -206,6 +206,7 @@ ENTRY(vfp_save_state)
        mov     pc, lr
 ENDPROC(vfp_save_state)
+        .align
 last_VFP_context_address:
        .word   last_VFP_context
diff --git a/arch/mn10300/include/asm/syscall.h b/arch/mn10300/include/asm/syscall.h
new file mode 100644
index 000000000000..b44b0bb75a01
--- /dev/null
+++ b/arch/mn10300/include/asm/syscall.h
@@ -0,0 +1,117 @@
+/* Access to user system call parameters and results
+ *
+ * See asm-generic/syscall.h for function descriptions.
+ *
+ * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#ifndef _ASM_SYSCALL_H
+#define _ASM_SYSCALL_H
+#include <linux/sched.h>
+#include <linux/err.h>
+extern const unsigned long sys_call_table[];
+static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
+{
+        return regs->orig_d0;
+}
+static inline void syscall_rollback(struct task_struct *task,
+                                    struct pt_regs *regs)
+{
+        regs->d0 = regs->orig_d0;
+}
+static inline long syscall_get_error(struct task_struct *task,
+                                     struct pt_regs *regs)
+{
+        unsigned long error = regs->d0;
+        return IS_ERR_VALUE(error) ? error : 0;
+}
+static inline long syscall_get_return_value(struct task_struct *task,
+                                            struct pt_regs *regs)
+{
+        return regs->d0;
+}
+static inline void syscall_set_return_value(struct task_struct *task,
+                                            struct pt_regs *regs,
+                                            int error, long val)
+{
+        regs->d0 = (long) error ?: val;
+}
+static inline void syscall_get_arguments(struct task_struct *task,
+                                         struct pt_regs *regs,
+                                         unsigned int i, unsigned int n,
+                                         unsigned long *args)
+{
+        switch (i) {
+        case 0:
+                if (!n--) break;
+                *args++ = regs->a0;
+        case 1:
+                if (!n--) break;
+                *args++ = regs->d1;
+        case 2:
+                if (!n--) break;
+                *args++ = regs->a3;
+        case 3:
+                if (!n--) break;
+                *args++ = regs->a2;
+        case 4:
+                if (!n--) break;
+                *args++ = regs->d3;
+        case 5:
+                if (!n--) break;
+                *args++ = regs->d2;
+        case 6:
+                if (!n--) break;
+        default:
+                BUG();
+                break;
+        }
+}
+static inline void syscall_set_arguments(struct task_struct *task,
+                                         struct pt_regs *regs,
+                                         unsigned int i, unsigned int n,
+                                         const unsigned long *args)
+{
+        switch (i) {
+        case 0:
+                if (!n--) break;
+                regs->a0 = *args++;
+        case 1:
+                if (!n--) break;
+                regs->d1 = *args++;
+        case 2:
+                if (!n--) break;
+                regs->a3 = *args++;
+        case 3:
+                if (!n--) break;
+                regs->a2 = *args++;
+        case 4:
+                if (!n--) break;
+                regs->d3 = *args++;
+        case 5:
+                if (!n--) break;
+                regs->d2 = *args++;
+        case 6:
+                if (!n--) break;
+        default:
+                BUG();
+                break;
+        }
+}
+#endif /* _ASM_SYSCALL_H */
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index 5024f643b3b1..d7d94b845dc2 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -75,9 +75,6 @@ static void cpu_unmask_irq(unsigned int irq)
        smp_send_all_nop();
 }
-void no_ack_irq(unsigned int irq) { }
-void no_end_irq(unsigned int irq) { }
 void cpu_ack_irq(unsigned int irq)
 {
        unsigned long mask = EIEM_MASK(irq);
@@ -241,7 +238,7 @@ int cpu_claim_irq(unsigned int irq, struct irq_chip *type, void *data)
        /* for iosapic interrupts */
        if (type) {
-                set_irq_chip_and_handler(irq, type, handle_level_irq);
+                set_irq_chip_and_handler(irq, type, handle_percpu_irq);
                set_irq_chip_data(irq, data);
                cpu_unmask_irq(irq);
        }
@@ -392,7 +389,7 @@ static void claim_cpu_irqs(void)
        int i;
        for (i = CPU_IRQ_BASE; i <= CPU_IRQ_MAX; i++) {
                set_irq_chip_and_handler(i, &cpu_interrupt_type,
-                        handle_level_irq);
+                                         handle_percpu_irq);
        }
        set_irq_handler(TIMER_IRQ, handle_percpu_irq);
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 35c827e94e31..609a331878e7 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -98,7 +98,6 @@ void
 sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
 {
        struct rt_sigframe __user *frame;
-        struct siginfo si;
        sigset_t set;
        unsigned long usp = (regs->gr[30] & ~(0x01UL));
        unsigned long sigframe_size = PARISC_RT_SIGFRAME_SIZE;
@@ -178,13 +177,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
 give_sigsegv:
        DBG(1,"sys_rt_sigreturn: Sending SIGSEGV\n");
-        si.si_signo = SIGSEGV;
+        force_sig(SIGSEGV, current);
-        si.si_errno = 0;
-        si.si_code = SI_KERNEL;
-        si.si_pid = task_pid_vnr(current);
-        si.si_uid = current_uid();
-        si.si_addr = &frame->uc;
-        force_sig_info(SIGSEGV, &si, current);
        return;
 }
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 56c8687b29b3..7eff9b7347c0 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -19,6 +19,7 @@
 #include <linux/kernel_stat.h>
 #include <linux/rcupdate.h>
 #include <linux/posix-timers.h>
+#include <linux/cpu.h>
 #include <asm/s390_ext.h>
 #include <asm/timer.h>
@@ -566,6 +567,23 @@ void init_cpu_vtimer(void)
        __ctl_set_bit(0,10);
 }
+static int __cpuinit s390_nohz_notify(struct notifier_block *self,
+                                      unsigned long action, void *hcpu)
+{
+        struct s390_idle_data *idle;
+        long cpu = (long) hcpu;
+        idle = &per_cpu(s390_idle, cpu);
+        switch (action) {
+        case CPU_DYING:
+        case CPU_DYING_FROZEN:
+                idle->nohz_delay = 0;
+        default:
+                break;
+        }
+        return NOTIFY_OK;
+}
 void __init vtime_init(void)
 {
        /* request the cpu timer external interrupt */
@@ -574,5 +592,6 @@ void __init vtime_init(void)
        /* Enable cpu timer interrupts on the boot cpu. */
        init_cpu_vtimer();
+        cpu_notifier(s390_nohz_notify, 0);
 }
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 2eaeb9e59585..f48c492a68d3 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -720,32 +720,6 @@ static struct platform_device camera_devices[] = {
 };
 /* FSI */
-/*
- * FSI-B use external clock which came from da7210.
- * So, we should change parent of fsi
- */
-#define FCLKBCR         0xa415000c
-static void fsimck_init(struct clk *clk)
-{
-        u32 status = __raw_readl(clk->enable_reg);
-        /* use external clock */
-        status &= ~0x000000ff;
-        status |= 0x00000080;
-        __raw_writel(status, clk->enable_reg);
-}
-static struct clk_ops fsimck_clk_ops = {
-        .init = fsimck_init,
-};
-static struct clk fsimckb_clk = {
-        .ops            = &fsimck_clk_ops,
-        .enable_reg     = (void __iomem *)FCLKBCR,
-        .rate           = 0, /* unknown */
-};
 static struct sh_fsi_platform_info fsi_info = {
        .portb_flags = SH_FSI_BRS_INV |
                       SH_FSI_OUT_SLAVE_MODE |
@@ -1264,10 +1238,10 @@ static int __init arch_setup(void)
        /* change parent of FSI B */
        clk = clk_get(NULL, "fsib_clk");
        if (!IS_ERR(clk)) {
-                clk_register(&fsimckb_clk);
+                /* 48kHz dummy clock was used to make sure 1/1 divide */
-                clk_set_parent(clk, &fsimckb_clk);
+                clk_set_rate(&sh7724_fsimckb_clk, 48000);
-                clk_set_rate(clk, 11000);
+                clk_set_parent(clk, &sh7724_fsimckb_clk);
-                clk_set_rate(&fsimckb_clk, 11000);
+                clk_set_rate(clk, 48000);
                clk_put(clk);
        }
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index c31d228fdfc6..527a0cd956b5 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -283,31 +283,6 @@ static struct platform_device ceu1_device = {
 };
 /* FSI */
-/*
- * FSI-A use external clock which came from ak464x.
- * So, we should change parent of fsi
- */
-#define FCLKACR         0xa4150008
-static void fsimck_init(struct clk *clk)
-{
-        u32 status = __raw_readl(clk->enable_reg);
-        /* use external clock */
-        status &= ~0x000000ff;
-        status |= 0x00000080;
-        __raw_writel(status, clk->enable_reg);
-}
-static struct clk_ops fsimck_clk_ops = {
-        .init = fsimck_init,
-};
-static struct clk fsimcka_clk = {
-        .ops            = &fsimck_clk_ops,
-        .enable_reg     = (void __iomem *)FCLKACR,
-        .rate           = 0, /* unknown */
-};
 /* change J20, J21, J22 pin to 1-2 connection to use slave mode */
 static struct sh_fsi_platform_info fsi_info = {
        .porta_flags = SH_FSI_BRS_INV |
@@ -852,37 +827,29 @@ static int __init devices_setup(void)
        gpio_request(GPIO_FN_KEYOUT0,     NULL);
        /* enable FSI */
-        gpio_request(GPIO_FN_FSIMCKB,    NULL);
        gpio_request(GPIO_FN_FSIMCKA,    NULL);
+        gpio_request(GPIO_FN_FSIIASD,    NULL);
        gpio_request(GPIO_FN_FSIOASD,    NULL);
        gpio_request(GPIO_FN_FSIIABCK,   NULL);
        gpio_request(GPIO_FN_FSIIALRCK,  NULL);
        gpio_request(GPIO_FN_FSIOABCK,   NULL);
        gpio_request(GPIO_FN_FSIOALRCK,  NULL);
        gpio_request(GPIO_FN_CLKAUDIOAO, NULL);
-        gpio_request(GPIO_FN_FSIIBSD,    NULL);
-        gpio_request(GPIO_FN_FSIOBSD,    NULL);
-        gpio_request(GPIO_FN_FSIIBBCK,   NULL);
-        gpio_request(GPIO_FN_FSIIBLRCK,  NULL);
-        gpio_request(GPIO_FN_FSIOBBCK,   NULL);
-        gpio_request(GPIO_FN_FSIOBLRCK,  NULL);
-        gpio_request(GPIO_FN_CLKAUDIOBO, NULL);
-        gpio_request(GPIO_FN_FSIIASD,    NULL);
        /* set SPU2 clock to 83.4 MHz */
        clk = clk_get(NULL, "spu_clk");
-        if (clk) {
+        if (!IS_ERR(clk)) {
                clk_set_rate(clk, clk_round_rate(clk, 83333333));
                clk_put(clk);
        }
        /* change parent of FSI A */
        clk = clk_get(NULL, "fsia_clk");
-        if (clk) {
+        if (!IS_ERR(clk)) {
-                clk_register(&fsimcka_clk);
+                /* 48kHz dummy clock was used to make sure 1/1 divide */
-                clk_set_parent(clk, &fsimcka_clk);
+                clk_set_rate(&sh7724_fsimcka_clk, 48000);
-                clk_set_rate(clk, 11000);
+                clk_set_parent(clk, &sh7724_fsimcka_clk);
-                clk_set_rate(&fsimcka_clk, 11000);
+                clk_set_rate(clk, 48000);
                clk_put(clk);
        }
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 1f4e562c5e8c..82e1eabeac98 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -96,7 +96,7 @@ void kmap_coherent_init(void);
 void *kmap_coherent(struct page *page, unsigned long addr);
 void kunmap_coherent(void *kvaddr);
-#define PG_dcache_dirty PG_arch_1
+#define PG_dcache_clean PG_arch_1
 void cpu_cache_init(void);
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7724.h b/arch/sh/include/cpu-sh4/cpu/sh7724.h
index 4c27b68789b3..7eb435999426 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7724.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7724.h
@@ -303,4 +303,7 @@ enum {
        SHDMA_SLAVE_SDHI1_RX,
 };
+extern struct clk sh7724_fsimcka_clk;
+extern struct clk sh7724_fsimckb_clk;
 #endif /* __ASM_SH7724_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index 0fe2e9329cb2..271c0b325a9a 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -111,12 +111,21 @@ static struct clk div3_clk = {
        .parent         = &pll_clk,
 };
+/* External input clock (pin name: FSIMCKA/FSIMCKB ) */
+struct clk sh7724_fsimcka_clk = {
+};
+struct clk sh7724_fsimckb_clk = {
+};
 static struct clk *main_clks[] = {
        &r_clk,
        &extal_clk,
        &fll_clk,
        &pll_clk,
        &div3_clk,
+        &sh7724_fsimcka_clk,
+        &sh7724_fsimckb_clk,
 };
 static void div4_kick(struct clk *clk)
@@ -154,16 +163,38 @@ struct clk div4_clks[DIV4_NR] = {
        [DIV4_M1] = DIV4(FRQCRB, 4, 0x2f7c, CLK_ENABLE_ON_INIT),
 };
-enum { DIV6_V, DIV6_FA, DIV6_FB, DIV6_I, DIV6_S, DIV6_NR };
+enum { DIV6_V, DIV6_I, DIV6_S, DIV6_NR };
 static struct clk div6_clks[DIV6_NR] = {
        [DIV6_V] = SH_CLK_DIV6(&div3_clk, VCLKCR, 0),
-        [DIV6_FA] = SH_CLK_DIV6(&div3_clk, FCLKACR, 0),
-        [DIV6_FB] = SH_CLK_DIV6(&div3_clk, FCLKBCR, 0),
        [DIV6_I] = SH_CLK_DIV6(&div3_clk, IRDACLKCR, 0),
        [DIV6_S] = SH_CLK_DIV6(&div3_clk, SPUCLKCR, CLK_ENABLE_ON_INIT),
 };
+enum { DIV6_FA, DIV6_FB, DIV6_REPARENT_NR };
+/* Indices are important - they are the actual src selecting values */
+static struct clk *fclkacr_parent[] = {
+        [0] = &div3_clk,
+        [1] = NULL,
+        [2] = &sh7724_fsimcka_clk,
+        [3] = NULL,
+};
+static struct clk *fclkbcr_parent[] = {
+        [0] = &div3_clk,
+        [1] = NULL,
+        [2] = &sh7724_fsimckb_clk,
+        [3] = NULL,
+};
+static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
+        [DIV6_FA] = SH_CLK_DIV6_EXT(&div3_clk, FCLKACR, 0,
+                                      fclkacr_parent, ARRAY_SIZE(fclkacr_parent), 6, 2),
+        [DIV6_FB] = SH_CLK_DIV6_EXT(&div3_clk, FCLKBCR, 0,
+                                      fclkbcr_parent, ARRAY_SIZE(fclkbcr_parent), 6, 2),
+};
 static struct clk mstp_clks[HWBLK_NR] = {
        SH_HWBLK_CLK(HWBLK_TLB, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
        SH_HWBLK_CLK(HWBLK_IC, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
@@ -240,8 +271,8 @@ static struct clk_lookup lookups[] = {
        /* DIV6 clocks */
        CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]),
-        CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FA]),
+        CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FA]),
-        CLKDEV_CON_ID("fsib_clk", &div6_clks[DIV6_FB]),
+        CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FB]),
        CLKDEV_CON_ID("irda_clk", &div6_clks[DIV6_I]),
        CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_S]),
@@ -376,6 +407,9 @@ int __init arch_clk_init(void)
                ret = sh_clk_div6_register(div6_clks, DIV6_NR);
        if (!ret)
+                ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR);
+        if (!ret)
                ret = sh_hwblk_clk_register(mstp_clks, HWBLK_NR);
        return ret;
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 2cfae81914aa..92eb98633ab0 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -114,7 +114,7 @@ static void sh4_flush_dcache_page(void *arg)
        struct address_space *mapping = page_mapping(page);
        if (mapping && !mapping_mapped(mapping))
-                set_bit(PG_dcache_dirty, &page->flags);
+                clear_bit(PG_dcache_clean, &page->flags);
        else
 #endif
                flush_cache_one(CACHE_OC_ADDRESS_ARRAY |
@@ -239,7 +239,7 @@ static void sh4_flush_cache_page(void *args)
                 * another ASID than the current one.
                 */
                map_coherent = (current_cpu_data.dcache.n_aliases &&
-                        !test_bit(PG_dcache_dirty, &page->flags) &&
+                        test_bit(PG_dcache_clean, &page->flags) &&
                        page_mapped(page));
                if (map_coherent)
                        vaddr = kmap_coherent(page, address);
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index f498da1cce7a..7729cca727eb 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -139,7 +139,7 @@ static void sh7705_flush_dcache_page(void *arg)
        struct address_space *mapping = page_mapping(page);
        if (mapping && !mapping_mapped(mapping))
-                set_bit(PG_dcache_dirty, &page->flags);
+                clear_bit(PG_dcache_clean, &page->flags);
        else
                __flush_dcache_page(__pa(page_address(page)));
 }
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index ba401d137bb9..88d3dc3d30d5 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -60,14 +60,14 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
                       unsigned long len)
 {
        if (boot_cpu_data.dcache.n_aliases && page_mapped(page) &&
-            !test_bit(PG_dcache_dirty, &page->flags)) {
+            test_bit(PG_dcache_clean, &page->flags)) {
                void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
                memcpy(vto, src, len);
                kunmap_coherent(vto);
        } else {
                memcpy(dst, src, len);
                if (boot_cpu_data.dcache.n_aliases)
-                        set_bit(PG_dcache_dirty, &page->flags);
+                        clear_bit(PG_dcache_clean, &page->flags);
        }
        if (vma->vm_flags & VM_EXEC)
@@ -79,14 +79,14 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
                         unsigned long len)
 {
        if (boot_cpu_data.dcache.n_aliases && page_mapped(page) &&
-            !test_bit(PG_dcache_dirty, &page->flags)) {
+            test_bit(PG_dcache_clean, &page->flags)) {
                void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
                memcpy(dst, vfrom, len);
                kunmap_coherent(vfrom);
        } else {
                memcpy(dst, src, len);
                if (boot_cpu_data.dcache.n_aliases)
-                        set_bit(PG_dcache_dirty, &page->flags);
+                        clear_bit(PG_dcache_clean, &page->flags);
        }
 }
@@ -98,7 +98,7 @@ void copy_user_highpage(struct page *to, struct page *from,
        vto = kmap_atomic(to, KM_USER1);
        if (boot_cpu_data.dcache.n_aliases && page_mapped(from) &&
-            !test_bit(PG_dcache_dirty, &from->flags)) {
+            test_bit(PG_dcache_clean, &from->flags)) {
                vfrom = kmap_coherent(from, vaddr);
                copy_page(vto, vfrom);
                kunmap_coherent(vfrom);
@@ -141,7 +141,7 @@ void __update_cache(struct vm_area_struct *vma,
        page = pfn_to_page(pfn);
        if (pfn_valid(pfn)) {
-                int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags);
+                int dirty = !test_and_set_bit(PG_dcache_clean, &page->flags);
                if (dirty)
                        __flush_purge_region(page_address(page), PAGE_SIZE);
        }
@@ -153,7 +153,7 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
        if (pages_do_alias(addr, vmaddr)) {
                if (boot_cpu_data.dcache.n_aliases && page_mapped(page) &&
-                    !test_bit(PG_dcache_dirty, &page->flags)) {
+                    test_bit(PG_dcache_clean, &page->flags)) {
                        void *kaddr;
                        kaddr = kmap_coherent(page, vmaddr);
diff --git a/arch/sh/mm/kmap.c b/arch/sh/mm/kmap.c
index 15d74ea42094..ec29e14ec5a8 100644
--- a/arch/sh/mm/kmap.c
+++ b/arch/sh/mm/kmap.c
@@ -34,7 +34,7 @@ void *kmap_coherent(struct page *page, unsigned long addr)
        enum fixed_addresses idx;
        unsigned long vaddr;
-        BUG_ON(test_bit(PG_dcache_dirty, &page->flags));
+        BUG_ON(!test_bit(PG_dcache_clean, &page->flags));
        pagefault_disable();
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index d7b5109f7a9c..25cd4a07d09f 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -70,6 +70,9 @@ static int acpi_register_gsi_xen_hvm(struct device *dev, u32 gsi,
 struct xen_pci_frontend_ops *xen_pci_frontend;
 EXPORT_SYMBOL_GPL(xen_pci_frontend);
+#define XEN_PIRQ_MSI_DATA  (MSI_DATA_TRIGGER_EDGE | \
+                MSI_DATA_LEVEL_ASSERT | (3 << 8) | MSI_DATA_VECTOR(0))
 static void xen_msi_compose_msg(struct pci_dev *pdev, unsigned int pirq,
                struct msi_msg *msg)
 {
@@ -83,12 +86,7 @@ static void xen_msi_compose_msg(struct pci_dev *pdev, unsigned int pirq,
                MSI_ADDR_REDIRECTION_CPU |
                MSI_ADDR_DEST_ID(pirq);
-        msg->data =
+        msg->data = XEN_PIRQ_MSI_DATA;
-                MSI_DATA_TRIGGER_EDGE |
-                MSI_DATA_LEVEL_ASSERT |
-                /* delivery mode reserved */
-                (3 << 8) |
-                MSI_DATA_VECTOR(0);
 }
 static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
@@ -98,8 +96,23 @@ static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
        struct msi_msg msg;
        list_for_each_entry(msidesc, &dev->msi_list, list) {
+                __read_msi_msg(msidesc, &msg);
+                pirq = MSI_ADDR_EXT_DEST_ID(msg.address_hi) |
+                        ((msg.address_lo >> MSI_ADDR_DEST_ID_SHIFT) & 0xff);
+                if (xen_irq_from_pirq(pirq) >= 0 && msg.data == XEN_PIRQ_MSI_DATA) {
+                        xen_allocate_pirq_msi((type == PCI_CAP_ID_MSIX) ?
+                                        "msi-x" : "msi", &irq, &pirq, XEN_ALLOC_IRQ);
+                        if (irq < 0)
+                                goto error;
+                        ret = set_irq_msi(irq, msidesc);
+                        if (ret < 0)
+                                goto error_while;
+                        printk(KERN_DEBUG "xen: msi already setup: msi --> irq=%d"
+                                        " pirq=%d\n", irq, pirq);
+                        return 0;
+                }
                xen_allocate_pirq_msi((type == PCI_CAP_ID_MSIX) ?
-                                "msi-x" : "msi", &irq, &pirq);
+                                "msi-x" : "msi", &irq, &pirq, (XEN_ALLOC_IRQ | XEN_ALLOC_PIRQ));
                if (irq < 0 || pirq < 0)
                        goto error;
                printk(KERN_DEBUG "xen: msi --> irq=%d, pirq=%d\n", irq, pirq);
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 02c710bebf7a..44dcad43989d 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1021,10 +1021,6 @@ static void xen_reboot(int reason)
 {
        struct sched_shutdown r = { .reason = reason };
-#ifdef CONFIG_SMP
-        stop_other_cpus();
-#endif
        if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r))
                BUG();
 }
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index a1feff9e59b6..44924e551fde 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -2415,8 +2415,6 @@ void __init xen_init_mmu_ops(void)
        x86_init.paging.pagetable_setup_done = xen_pagetable_setup_done;
        pv_mmu_ops = xen_mmu_ops;
-        vmap_lazy_unmap = false;
        memset(dummy_mapping, 0xff, PAGE_SIZE);
 }
diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c
index 0f456386cce5..25c52f94a27c 100644
--- a/arch/x86/xen/platform-pci-unplug.c
+++ b/arch/x86/xen/platform-pci-unplug.c
@@ -68,7 +68,7 @@ static int __init check_platform_magic(void)
        return 0;
 }
-void __init xen_unplug_emulated_devices(void)
+void xen_unplug_emulated_devices(void)
 {
        int r;
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 01afd8a94607..b5a7f928234b 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -181,24 +181,21 @@ char * __init xen_memory_setup(void)
        for (i = 0; i < memmap.nr_entries; i++) {
                unsigned long long end = map[i].addr + map[i].size;
-                if (map[i].type == E820_RAM) {
+                if (map[i].type == E820_RAM && end > mem_end) {
-                        if (map[i].addr < mem_end && end > mem_end) {
+                        /* RAM off the end - may be partially included */
-                                /* Truncate region to max_mem. */
+                        u64 delta = min(map[i].size, end - mem_end);
-                                u64 delta = end - mem_end;
-                                map[i].size -= delta;
+                        map[i].size -= delta;
-                                extra_pages += PFN_DOWN(delta);
+                        end -= delta;
-                                end = mem_end;
+                        extra_pages += PFN_DOWN(delta);
-                        }
                }
-                if (end > xen_extra_mem_start)
+                if (map[i].size > 0 && end > xen_extra_mem_start)
                        xen_extra_mem_start = end;
-                /* If region is non-RAM or below mem_end, add what remains */
+                /* Add region if any remains */
-                if ((map[i].type != E820_RAM || map[i].addr < mem_end) &&
+                if (map[i].size > 0)
-                    map[i].size > 0)
                        e820_add_region(map[i].addr, map[i].size, map[i].type);
        }
@@ -252,20 +249,6 @@ char * __init xen_memory_setup(void)
        return "Xen";
 }
-static void xen_idle(void)
-{
-        local_irq_disable();
-        if (need_resched())
-                local_irq_enable();
-        else {
-                current_thread_info()->status &= ~TS_POLLING;
-                smp_mb__after_clear_bit();
-                safe_halt();
-                current_thread_info()->status |= TS_POLLING;
-        }
-}
 /*
 * Set the bit indicating "nosegneg" library variants should be used.
 * We only need to bother in pure 32-bit mode; compat 32-bit processes
@@ -362,7 +345,11 @@ void __init xen_arch_setup(void)
               MAX_GUEST_CMDLINE > COMMAND_LINE_SIZE ?
               COMMAND_LINE_SIZE : MAX_GUEST_CMDLINE);
-        pm_idle = xen_idle;
+        /* Set up idle, making sure it calls safe_halt() pvop */
+#ifdef CONFIG_X86_32
+        boot_cpu_data.hlt_works_ok = 1;
+#endif
+        pm_idle = default_idle;
        fiddle_vdso();
 }
diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c
index 1d789d56877c..9bbd63a129b5 100644
--- a/arch/x86/xen/suspend.c
+++ b/arch/x86/xen/suspend.c
@@ -31,6 +31,7 @@ void xen_hvm_post_suspend(int suspend_cancelled)
        int cpu;
        xen_hvm_init_shared_info();
        xen_callback_vector();
+        xen_unplug_emulated_devices();
        if (xen_feature(XENFEAT_hvm_safe_pvclock)) {
                for_each_online_cpu(cpu) {
                        xen_setup_runstate_info(cpu);
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 64044747348e..9d41bf985757 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -43,7 +43,7 @@ void xen_vcpu_restore(void);
 void xen_callback_vector(void);
 void xen_hvm_init_shared_info(void);
-void __init xen_unplug_emulated_devices(void);
+void xen_unplug_emulated_devices(void);
 void __init xen_build_dynamic_phys_to_machine(void);
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index eb6b54dbb806..85ffd5e38c50 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -1213,3 +1213,4 @@ module_exit(sh_dmae_exit);
 MODULE_AUTHOR("Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>");
 MODULE_DESCRIPTION("Renesas SH DMA Engine driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:sh-dma-engine");
diff --git a/drivers/gpio/cs5535-gpio.c b/drivers/gpio/cs5535-gpio.c
index e23c06893d19..599f6c9e0fbf 100644
--- a/drivers/gpio/cs5535-gpio.c
+++ b/drivers/gpio/cs5535-gpio.c
@@ -56,6 +56,18 @@ static struct cs5535_gpio_chip {
 * registers, see include/linux/cs5535.h.
 */
+static void errata_outl(u32 val, unsigned long addr)
+{
+        /*
+         * According to the CS5536 errata (#36), after suspend
+         * a write to the high bank GPIO register will clear all
+         * non-selected bits; the recommended workaround is a
+         * read-modify-write operation.
+         */
+        val |= inl(addr);
+        outl(val, addr);
+}
 static void __cs5535_gpio_set(struct cs5535_gpio_chip *chip, unsigned offset,
                unsigned int reg)
 {
@@ -64,7 +76,7 @@ static void __cs5535_gpio_set(struct cs5535_gpio_chip *chip, unsigned offset,
                outl(1 << offset, chip->base + reg);
        else
                /* high bank register */
-                outl(1 << (offset - 16), chip->base + 0x80 + reg);
+                errata_outl(1 << (offset - 16), chip->base + 0x80 + reg);
 }
 void cs5535_gpio_set(unsigned offset, unsigned int reg)
@@ -86,7 +98,7 @@ static void __cs5535_gpio_clear(struct cs5535_gpio_chip *chip, unsigned offset,
                outl(1 << (offset + 16), chip->base + reg);
        else
                /* high bank register */
-                outl(1 << offset, chip->base + 0x80 + reg);
+                errata_outl(1 << offset, chip->base + 0x80 + reg);
 }
 void cs5535_gpio_clear(unsigned offset, unsigned int reg)
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 515345b11ac9..88cb04e7962b 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1386,6 +1386,7 @@ static const struct hid_device_id hid_blacklist[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
        { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
        { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
        { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
diff --git a/drivers/hid/hid-egalax.c b/drivers/hid/hid-egalax.c
index 54b017ad258d..5a1b52e0eb85 100644
--- a/drivers/hid/hid-egalax.c
+++ b/drivers/hid/hid-egalax.c
@@ -221,7 +221,7 @@ static int egalax_probe(struct hid_device *hdev, const struct hid_device_id *id)
        struct egalax_data *td;
        struct hid_report *report;
-        td = kmalloc(sizeof(struct egalax_data), GFP_KERNEL);
+        td = kzalloc(sizeof(struct egalax_data), GFP_KERNEL);
        if (!td) {
                dev_err(&hdev->dev, "cannot allocate eGalax data\n");
                return -ENOMEM;
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index bb0b3659437b..d8d372bae3cc 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -174,7 +174,7 @@ static int hidinput_setkeycode(struct input_dev *dev,
                clear_bit(*old_keycode, dev->keybit);
                set_bit(usage->code, dev->keybit);
-                dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n",
+                dbg_hid("Assigned keycode %d to HID usage code %x\n",
                        usage->code, usage->hid);
                /*
@@ -203,8 +203,8 @@ static int hidinput_setkeycode(struct input_dev *dev,
 *
 * as seen in the HID specification v1.11 6.2.2.7 Global Items.
 *
- * Only exponent 1 length units are processed. Centimeters are converted to
+ * Only exponent 1 length units are processed. Centimeters and inches are
- * inches. Degrees are converted to radians.
+ * converted to millimeters. Degrees are converted to radians.
 */
 static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
 {
@@ -225,13 +225,16 @@ static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
         */
        if (code == ABS_X || code == ABS_Y || code == ABS_Z) {
                if (field->unit == 0x11) {              /* If centimeters */
-                        /* Convert to inches */
+                        /* Convert to millimeters */
-                        prev = logical_extents;
+                        unit_exponent += 1;
-                        logical_extents *= 254;
+                } else if (field->unit == 0x13) {       /* If inches */
-                        if (logical_extents < prev)
+                        /* Convert to millimeters */
+                        prev = physical_extents;
+                        physical_extents *= 254;
+                        if (physical_extents < prev)
                                return 0;
-                        unit_exponent += 2;
+                        unit_exponent -= 1;
-                } else if (field->unit != 0x13) {       /* If not inches */
+                } else {
                        return 0;
                }
        } else if (code == ABS_RX || code == ABS_RY || code == ABS_RZ) {
diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c
index 15434c814793..25be4e1461bd 100644
--- a/drivers/hid/hid-tmff.c
+++ b/drivers/hid/hid-tmff.c
@@ -256,6 +256,8 @@ static const struct hid_device_id tm_devices[] = {
                .driver_data = (unsigned long)ff_joystick },
        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654),   /* FGT Force Feedback Wheel */
                .driver_data = (unsigned long)ff_joystick },
+        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a),   /* F430 Force Feedback Wheel */
+                .driver_data = (unsigned long)ff_joystick },
        { }
 };
 MODULE_DEVICE_TABLE(hid, tm_devices);
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index b923074b2cbe..30f06e956bfb 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -75,8 +75,7 @@ config I2C_HELPER_AUTO
          In doubt, say Y.
 config I2C_SMBUS
-        tristate
+        tristate "SMBus-specific protocols" if !I2C_HELPER_AUTO
-        prompt "SMBus-specific protocols" if !I2C_HELPER_AUTO
        help
          Say Y here if you want support for SMBus extensions to the I2C
          specification. At the moment, the only supported extension is
diff --git a/drivers/i2c/algos/Kconfig b/drivers/i2c/algos/Kconfig
index 3998dd620a03..f1cfe7e5508b 100644
--- a/drivers/i2c/algos/Kconfig
+++ b/drivers/i2c/algos/Kconfig
@@ -3,7 +3,7 @@
 #
 menu "I2C Algorithms"
-        depends on !I2C_HELPER_AUTO
+        visible if !I2C_HELPER_AUTO
 config I2C_ALGOBIT
        tristate "I2C bit-banging interfaces"
@@ -15,15 +15,3 @@ config I2C_ALGOPCA
        tristate "I2C PCA 9564 interfaces"
 endmenu
-# In automatic configuration mode, we still have to define the
-# symbols to avoid unmet dependencies.
-if I2C_HELPER_AUTO
-config I2C_ALGOBIT
-        tristate
-config I2C_ALGOPCF
-        tristate
-config I2C_ALGOPCA
-        tristate
-endif
diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
index 3c287dd879d3..4225f5d6b15f 100644
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -358,7 +358,7 @@ static int __devinit gscps2_probe(struct parisc_device *dev)
        gscps2_reset(ps2port);
        ps2port->id = readb(ps2port->addr + GSC_ID) & 0x0f;
-        snprintf(serio->name, sizeof(serio->name), "GSC PS/2 %s",
+        snprintf(serio->name, sizeof(serio->name), "gsc-ps2-%s",
                 (ps2port->id == GSC_ID_KEYBOARD) ? "keyboard" : "mouse");
        strlcpy(serio->phys, dev_name(&dev->dev), sizeof(serio->phys));
        serio->id.type          = SERIO_8042;
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 77b8fd20cd90..6f190f4cdbc0 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -7,20 +7,20 @@ menuconfig NEW_LEDS
          This is not related to standard keyboard LEDs which are controlled
          via the input system.
-if NEW_LEDS
 config LEDS_CLASS
        bool "LED Class Support"
+        depends on NEW_LEDS
        help
          This option enables the led sysfs class in /sys/class/leds.  You'll
          need this to do anything useful with LEDs.  If unsure, say N.
-if LEDS_CLASS
+if NEW_LEDS
 comment "LED drivers"
 config LEDS_88PM860X
        tristate "LED Support for Marvell 88PM860x PMIC"
+        depends on LEDS_CLASS
        depends on MFD_88PM860X
        help
          This option enables support for on-chip LED drivers found on Marvell
@@ -28,6 +28,7 @@ config LEDS_88PM860X
 config LEDS_ATMEL_PWM
        tristate "LED Support using Atmel PWM outputs"
+        depends on LEDS_CLASS
        depends on ATMEL_PWM
        help
          This option enables support for LEDs driven using outputs
@@ -35,6 +36,7 @@ config LEDS_ATMEL_PWM
 config LEDS_LOCOMO
        tristate "LED Support for Locomo device"
+        depends on LEDS_CLASS
        depends on SHARP_LOCOMO
        help
          This option enables support for the LEDs on Sharp Locomo.
@@ -42,6 +44,7 @@ config LEDS_LOCOMO
 config LEDS_MIKROTIK_RB532
        tristate "LED Support for Mikrotik Routerboard 532"
+        depends on LEDS_CLASS
        depends on MIKROTIK_RB532
        help
          This option enables support for the so called "User LED" of
@@ -49,6 +52,7 @@ config LEDS_MIKROTIK_RB532
 config LEDS_S3C24XX
        tristate "LED Support for Samsung S3C24XX GPIO LEDs"
+        depends on LEDS_CLASS
        depends on ARCH_S3C2410
        help
          This option enables support for LEDs connected to GPIO lines
@@ -56,12 +60,14 @@ config LEDS_S3C24XX
 config LEDS_AMS_DELTA
        tristate "LED Support for the Amstrad Delta (E3)"
+        depends on LEDS_CLASS
        depends on MACH_AMS_DELTA
        help
          This option enables support for the LEDs on Amstrad Delta (E3).
 config LEDS_NET48XX
        tristate "LED Support for Soekris net48xx series Error LED"
+        depends on LEDS_CLASS
        depends on SCx200_GPIO
        help
          This option enables support for the Soekris net4801 and net4826 error
@@ -79,18 +85,21 @@ config LEDS_NET5501
 config LEDS_FSG
        tristate "LED Support for the Freecom FSG-3"
+        depends on LEDS_CLASS
        depends on MACH_FSG
        help
          This option enables support for the LEDs on the Freecom FSG-3.
 config LEDS_WRAP
        tristate "LED Support for the WRAP series LEDs"
+        depends on LEDS_CLASS
        depends on SCx200_GPIO
        help
          This option enables support for the PCEngines WRAP programmable LEDs.
 config LEDS_ALIX2
        tristate "LED Support for ALIX.2 and ALIX.3 series"
+        depends on LEDS_CLASS
        depends on X86 && !GPIO_CS5535 && !CS5535_GPIO
        help
          This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
@@ -98,12 +107,14 @@ config LEDS_ALIX2
 config LEDS_H1940
        tristate "LED Support for iPAQ H1940 device"
+        depends on LEDS_CLASS
        depends on ARCH_H1940
        help
          This option enables support for the LEDs on the h1940.
 config LEDS_COBALT_QUBE
        tristate "LED Support for the Cobalt Qube series front LED"
+        depends on LEDS_CLASS
        depends on MIPS_COBALT
        help
          This option enables support for the front LED on Cobalt Qube series
@@ -117,6 +128,7 @@ config LEDS_COBALT_RAQ
 config LEDS_SUNFIRE
        tristate "LED support for SunFire servers."
+        depends on LEDS_CLASS
        depends on SPARC64
        select LEDS_TRIGGERS
        help
@@ -125,6 +137,7 @@ config LEDS_SUNFIRE
 config LEDS_HP6XX
        tristate "LED Support for the HP Jornada 6xx"
+        depends on LEDS_CLASS
        depends on SH_HP6XX
        help
          This option enables LED support for the handheld
@@ -132,6 +145,7 @@ config LEDS_HP6XX
 config LEDS_PCA9532
        tristate "LED driver for PCA9532 dimmer"
+        depends on LEDS_CLASS
        depends on I2C && INPUT && EXPERIMENTAL
        help
          This option enables support for NXP pca9532
@@ -140,6 +154,7 @@ config LEDS_PCA9532
 config LEDS_GPIO
        tristate "LED Support for GPIO connected LEDs"
+        depends on LEDS_CLASS
        depends on GENERIC_GPIO
        help
          This option enables support for the LEDs connected to GPIO
@@ -167,6 +182,7 @@ config LEDS_GPIO_OF
 config LEDS_LP3944
        tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
+        depends on LEDS_CLASS
        depends on I2C
        help
          This option enables support for LEDs connected to the National
@@ -196,6 +212,7 @@ config LEDS_LP5523
 config LEDS_CLEVO_MAIL
        tristate "Mail LED on Clevo notebook"
+        depends on LEDS_CLASS
        depends on X86 && SERIO_I8042 && DMI
        help
          This driver makes the mail LED accessible from userspace
@@ -226,6 +243,7 @@ config LEDS_CLEVO_MAIL
 config LEDS_PCA955X
        tristate "LED Support for PCA955x I2C chips"
+        depends on LEDS_CLASS
        depends on I2C
        help
          This option enables support for LEDs connected to PCA955x
@@ -234,6 +252,7 @@ config LEDS_PCA955X
 config LEDS_WM831X_STATUS
        tristate "LED support for status LEDs on WM831x PMICs"
+        depends on LEDS_CLASS
        depends on MFD_WM831X
        help
          This option enables support for the status LEDs of the WM831x
@@ -241,6 +260,7 @@ config LEDS_WM831X_STATUS
 config LEDS_WM8350
        tristate "LED Support for WM8350 AudioPlus PMIC"
+        depends on LEDS_CLASS
        depends on MFD_WM8350
        help
          This option enables support for LEDs driven by the Wolfson
@@ -248,6 +268,7 @@ config LEDS_WM8350
 config LEDS_DA903X
        tristate "LED Support for DA9030/DA9034 PMIC"
+        depends on LEDS_CLASS
        depends on PMIC_DA903X
        help
          This option enables support for on-chip LED drivers found
@@ -255,6 +276,7 @@ config LEDS_DA903X
 config LEDS_DAC124S085
        tristate "LED Support for DAC124S085 SPI DAC"
+        depends on LEDS_CLASS
        depends on SPI
        help
          This option enables support for DAC124S085 SPI DAC from NatSemi,
@@ -262,18 +284,21 @@ config LEDS_DAC124S085
 config LEDS_PWM
        tristate "PWM driven LED Support"
+        depends on LEDS_CLASS
        depends on HAVE_PWM
        help
          This option enables support for pwm driven LEDs
 config LEDS_REGULATOR
        tristate "REGULATOR driven LED support"
+        depends on LEDS_CLASS
        depends on REGULATOR
        help
          This option enables support for regulator driven LEDs.
 config LEDS_BD2802
        tristate "LED driver for BD2802 RGB LED"
+        depends on LEDS_CLASS
        depends on I2C
        help
          This option enables support for BD2802GU RGB LED driver chips
@@ -281,6 +306,7 @@ config LEDS_BD2802
 config LEDS_INTEL_SS4200
        tristate "LED driver for Intel NAS SS4200 series"
+        depends on LEDS_CLASS
        depends on PCI && DMI
        help
          This option enables support for the Intel SS4200 series of
@@ -290,6 +316,7 @@ config LEDS_INTEL_SS4200
 config LEDS_LT3593
        tristate "LED driver for LT3593 controllers"
+        depends on LEDS_CLASS
        depends on GENERIC_GPIO
        help
          This option enables support for LEDs driven by a Linear Technology
@@ -298,6 +325,7 @@ config LEDS_LT3593
 config LEDS_ADP5520
        tristate "LED Support for ADP5520/ADP5501 PMIC"
+        depends on LEDS_CLASS
        depends on PMIC_ADP5520
        help
          This option enables support for on-chip LED drivers found
@@ -308,6 +336,7 @@ config LEDS_ADP5520
 config LEDS_DELL_NETBOOKS
        tristate "External LED on Dell Business Netbooks"
+        depends on LEDS_CLASS
        depends on X86 && ACPI_WMI
        help
          This adds support for the Latitude 2100 and similar
@@ -315,6 +344,7 @@ config LEDS_DELL_NETBOOKS
 config LEDS_MC13783
        tristate "LED Support for MC13783 PMIC"
+        depends on LEDS_CLASS
        depends on MFD_MC13783
        help
          This option enable support for on-chip LED drivers found
@@ -322,6 +352,7 @@ config LEDS_MC13783
 config LEDS_NS2
        tristate "LED support for Network Space v2 GPIO LEDs"
+        depends on LEDS_CLASS
        depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || MACH_NETSPACE_MAX_V2 || D2NET_V2
        default y
        help
@@ -340,17 +371,17 @@ config LEDS_NETXBIG
 config LEDS_TRIGGERS
        bool "LED Trigger support"
+        depends on LEDS_CLASS
        help
          This option enables trigger support for the leds class.
          These triggers allow kernel events to drive the LEDs and can
          be configured via sysfs. If unsure, say Y.
-if LEDS_TRIGGERS
 comment "LED Triggers"
 config LEDS_TRIGGER_TIMER
        tristate "LED Timer Trigger"
+        depends on LEDS_TRIGGERS
        help
          This allows LEDs to be controlled by a programmable timer
          via sysfs. Some LED hardware can be programmed to start
@@ -362,12 +393,14 @@ config LEDS_TRIGGER_TIMER
 config LEDS_TRIGGER_IDE_DISK
        bool "LED IDE Disk Trigger"
        depends on IDE_GD_ATA
+        depends on LEDS_TRIGGERS
        help
          This allows LEDs to be controlled by IDE disk activity.
          If unsure, say Y.
 config LEDS_TRIGGER_HEARTBEAT
        tristate "LED Heartbeat Trigger"
+        depends on LEDS_TRIGGERS
        help
          This allows LEDs to be controlled by a CPU load average.
          The flash frequency is a hyperbolic function of the 1-minute
@@ -376,6 +409,7 @@ config LEDS_TRIGGER_HEARTBEAT
 config LEDS_TRIGGER_BACKLIGHT
        tristate "LED backlight Trigger"
+        depends on LEDS_TRIGGERS
        help
          This allows LEDs to be controlled as a backlight device: they
          turn off and on when the display is blanked and unblanked.
@@ -384,6 +418,7 @@ config LEDS_TRIGGER_BACKLIGHT
 config LEDS_TRIGGER_GPIO
        tristate "LED GPIO Trigger"
+        depends on LEDS_TRIGGERS
        depends on GPIOLIB
        help
          This allows LEDs to be controlled by gpio events. It's good
@@ -396,6 +431,7 @@ config LEDS_TRIGGER_GPIO
 config LEDS_TRIGGER_DEFAULT_ON
        tristate "LED Default ON Trigger"
+        depends on LEDS_TRIGGERS
        help
          This allows LEDs to be initialised in the ON state.
          If unsure, say Y.
@@ -403,8 +439,4 @@ config LEDS_TRIGGER_DEFAULT_ON
 comment "iptables trigger is under Netfilter config (LED target)"
        depends on LEDS_TRIGGERS
-endif # LEDS_TRIGGERS
-endif # LEDS_CLASS
 endif # NEW_LEDS
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 3d7355ff7308..fa51af11c6f1 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -102,6 +102,7 @@ config ADB_PMU_LED
 config ADB_PMU_LED_IDE
        bool "Use front LED as IDE LED by default"
        depends on ADB_PMU_LED
+        depends on LEDS_CLASS
        select LEDS_TRIGGERS
        select LEDS_TRIGGER_IDE_DISK
        help
diff --git a/drivers/media/common/tuners/Kconfig b/drivers/media/common/tuners/Kconfig
index 2385e6cca635..78b089526e02 100644
--- a/drivers/media/common/tuners/Kconfig
+++ b/drivers/media/common/tuners/Kconfig
@@ -31,7 +31,7 @@ config MEDIA_TUNER
        select MEDIA_TUNER_TDA9887 if !MEDIA_TUNER_CUSTOMISE
        select MEDIA_TUNER_MC44S803 if !MEDIA_TUNER_CUSTOMISE
-menuconfig MEDIA_TUNER_CUSTOMISE
+config MEDIA_TUNER_CUSTOMISE
        bool "Customize analog and hybrid tuner modules to build"
        depends on MEDIA_TUNER
        default y if EMBEDDED
@@ -44,7 +44,8 @@ menuconfig MEDIA_TUNER_CUSTOMISE
          If unsure say N.
-if MEDIA_TUNER_CUSTOMISE
+menu "Customize TV tuners"
+        visible if MEDIA_TUNER_CUSTOMISE
 config MEDIA_TUNER_SIMPLE
        tristate "Simple tuner support"
@@ -185,5 +186,4 @@ config MEDIA_TUNER_TDA18218
        default m if MEDIA_TUNER_CUSTOMISE
        help
          NXP TDA18218 silicon tuner driver.
+endmenu
-endif # MEDIA_TUNER_CUSTOMISE
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig
index e9062b08a485..96b27016670e 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -12,9 +12,8 @@ config DVB_FE_CUSTOMISE
          If unsure say N.
-if DVB_FE_CUSTOMISE
 menu "Customise DVB Frontends"
+        visible if DVB_FE_CUSTOMISE
 comment "Multistandard (satellite) frontends"
        depends on DVB_CORE
@@ -619,5 +618,3 @@ config DVB_DUMMY_FE
        tristate "Dummy frontend driver"
        default n
 endmenu
-endif
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index ac16e815e275..6830d2848bd7 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -112,7 +112,7 @@ config VIDEO_IR_I2C
 #
 menu "Encoders/decoders and other helper chips"
-        depends on !VIDEO_HELPER_CHIPS_AUTO
+        visible if !VIDEO_HELPER_CHIPS_AUTO
 comment "Audio decoders"
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index c2960ac9f39c..811775aa8ee8 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -482,10 +482,17 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum)
        uint32_t data = 0;
        struct ubi_vid_hdr vid_hdr;
-        addr = (loff_t)pnum * ubi->peb_size + ubi->vid_hdr_aloffset;
+        /*
+         * It is important to first invalidate the EC header, and then the VID
+         * header. Otherwise a power cut may lead to valid EC header and
+         * invalid VID header, in which case UBI will treat this PEB as
+         * corrupted and will try to preserve it, and print scary warnings (see
+         * the header comment in scan.c for more information).
+         */
+        addr = (loff_t)pnum * ubi->peb_size;
        err = ubi->mtd->write(ubi->mtd, addr, 4, &written, (void *)&data);
        if (!err) {
-                addr -= ubi->vid_hdr_aloffset;
+                addr += ubi->vid_hdr_aloffset;
                err = ubi->mtd->write(ubi->mtd, addr, 4, &written,
                                      (void *)&data);
                if (!err)
@@ -494,18 +501,24 @@ static int nor_erase_prepare(struct ubi_device *ubi, int pnum)
        /*
         * We failed to write to the media. This was observed with Spansion
-         * S29GL512N NOR flash. Most probably the eraseblock erasure was
+         * S29GL512N NOR flash. Most probably the previously eraseblock erasure
-         * interrupted at a very inappropriate moment, so it became unwritable.
+         * was interrupted at a very inappropriate moment, so it became
-         * In this case we probably anyway have garbage in this PEB.
+         * unwritable. In this case we probably anyway have garbage in this
+         * PEB.
         */
        err1 = ubi_io_read_vid_hdr(ubi, pnum, &vid_hdr, 0);
-        if (err1 == UBI_IO_BAD_HDR_EBADMSG || err1 == UBI_IO_BAD_HDR)
+        if (err1 == UBI_IO_BAD_HDR_EBADMSG || err1 == UBI_IO_BAD_HDR) {
-                /*
+                struct ubi_ec_hdr ec_hdr;
-                 * The VID header is corrupted, so we can safely erase this
-                 * PEB and not afraid that it will be treated as a valid PEB in
+                err1 = ubi_io_read_ec_hdr(ubi, pnum, &ec_hdr, 0);
-                 * case of an unclean reboot.
+                if (err1 == UBI_IO_BAD_HDR_EBADMSG || err1 == UBI_IO_BAD_HDR)
-                 */
+                        /*
-                return 0;
+                         * Both VID and EC headers are corrupted, so we can
+                         * safely erase this PEB and not afraid that it will be
+                         * treated as a valid PEB in case of an unclean reboot.
+                         */
+                        return 0;
+        }
        /*
         * The PEB contains a valid VID header, but we cannot invalidate it.
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 204345be8e62..79ca304fc4db 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -953,6 +953,10 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si,
                         * impossible to distinguish it from a PEB which just
                         * contains garbage because of a power cut during erase
                         * operation. So we just schedule this PEB for erasure.
+                         *
+                         * Besides, in case of NOR flash, we deliberatly
+                         * corrupt both headers because NOR flash erasure is
+                         * slow and can start from the end.
                         */
                        err = 0;
                else
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index d9f51485beee..9383063d2b16 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -349,7 +349,6 @@ static struct irq_chip dino_interrupt_type = {
        .name   = "GSC-PCI",
        .unmask = dino_unmask_irq,
        .mask   = dino_mask_irq,
-        .ack    = no_ack_irq,
 };
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index 1211974f55aa..e860038b0b84 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -186,7 +186,6 @@ static struct irq_chip eisa_interrupt_type = {
        .name   =       "EISA",
        .unmask =       eisa_unmask_irq,
        .mask   =       eisa_mask_irq,
-        .ack    =       no_ack_irq,
 };
 static irqreturn_t eisa_irq(int wax_irq, void *intr_dev)
@@ -340,7 +339,7 @@ static int __init eisa_probe(struct parisc_device *dev)
        setup_irq(2, &irq2_action);
        for (i = 0; i < 16; i++) {
                set_irq_chip_and_handler(i, &eisa_interrupt_type,
-                        handle_level_irq);
+                                         handle_simple_irq);
        }
        
        EISA_bus = 1;
diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c
index e605298e3aee..772b1939ac21 100644
--- a/drivers/parisc/gsc.c
+++ b/drivers/parisc/gsc.c
@@ -143,7 +143,6 @@ static struct irq_chip gsc_asic_interrupt_type = {
        .name   =       "GSC-ASIC",
        .unmask =       gsc_asic_unmask_irq,
        .mask   =       gsc_asic_mask_irq,
-        .ack    =       no_ack_irq,
 };
 int gsc_assign_irq(struct irq_chip *type, void *data)
@@ -153,7 +152,7 @@ int gsc_assign_irq(struct irq_chip *type, void *data)
        if (irq > GSC_IRQ_MAX)
                return NO_IRQ;
-        set_irq_chip_and_handler(irq, type, handle_level_irq);
+        set_irq_chip_and_handler(irq, type, handle_simple_irq);
        set_irq_chip_data(irq, data);
        return irq++;
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index a3120a09c43d..0327894bf235 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -669,6 +669,13 @@ printk("\n");
        DBG(KERN_DEBUG "enable_irq(%d): eoi(%p, 0x%x)\n", irq,
                        vi->eoi_addr, vi->eoi_data);
        iosapic_eoi(vi->eoi_addr, vi->eoi_data);
+}
+static void iosapic_eoi_irq(unsigned int irq)
+{
+        struct vector_info *vi = get_irq_chip_data(irq);
+        iosapic_eoi(vi->eoi_addr, vi->eoi_data);
        cpu_eoi_irq(irq);
 }
@@ -705,6 +712,7 @@ static struct irq_chip iosapic_interrupt_type = {
        .unmask =       iosapic_unmask_irq,
        .mask   =       iosapic_mask_irq,
        .ack    =       cpu_ack_irq,
+        .eoi    =       iosapic_eoi_irq,
 #ifdef CONFIG_SMP
        .set_affinity = iosapic_set_affinity_irq,
 #endif
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index 2350e8a86eef..f2f501e5b6a0 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -64,6 +64,7 @@ static unsigned int led_diskio    __read_mostly = 1;
 static unsigned int led_lanrxtx   __read_mostly = 1;
 static char lcd_text[32]          __read_mostly;
 static char lcd_text_default[32]  __read_mostly;
+static int  lcd_no_led_support    __read_mostly = 0; /* KittyHawk doesn't support LED on its LCD */
 static struct workqueue_struct *led_wq;
@@ -115,7 +116,7 @@ lcd_info __attribute__((aligned(8))) __read_mostly =
        .lcd_width =            16,
        .lcd_cmd_reg_addr =     KITTYHAWK_LCD_CMD,
        .lcd_data_reg_addr =    KITTYHAWK_LCD_DATA,
-        .min_cmd_delay =        40,
+        .min_cmd_delay =        80,
        .reset_cmd1 =           0x80,
        .reset_cmd2 =           0xc0,
 };
@@ -135,6 +136,9 @@ static int start_task(void)
        /* Display the default text now */
        if (led_type == LED_HASLCD) lcd_print( lcd_text_default );
+        /* KittyHawk has no LED support on its LCD */
+        if (lcd_no_led_support) return 0;
        /* Create the work queue and queue the LED task */
        led_wq = create_singlethread_workqueue("led_wq");       
        queue_delayed_work(led_wq, &led_task, 0);
@@ -248,9 +252,13 @@ static int __init led_create_procfs(void)
        proc_pdc_root = proc_mkdir("pdc", 0);
        if (!proc_pdc_root) return -1;
-        ent = proc_create_data("led", S_IRUGO|S_IWUSR, proc_pdc_root,
-                                &led_proc_fops, (void *)LED_NOLCD); /* LED */
+        if (!lcd_no_led_support)
-        if (!ent) return -1;
+        {
+                ent = proc_create_data("led", S_IRUGO|S_IWUSR, proc_pdc_root,
+                                        &led_proc_fops, (void *)LED_NOLCD); /* LED */
+                if (!ent) return -1;
+        }
        if (led_type == LED_HASLCD)
        {
@@ -692,6 +700,7 @@ int __init led_init(void)
        case 0x58B:             /* KittyHawk DC2 100 (K200) */
                printk(KERN_INFO "%s: KittyHawk-Machine (hversion 0x%x) found, "
                                "LED detection skipped.\n", __FILE__, CPU_HVERSION);
+                lcd_no_led_support = 1;
                goto found;     /* use the preinitialized values of lcd_info */
        }
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index 0846dafdfff1..28241532c0fd 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -323,7 +323,6 @@ static struct irq_chip superio_interrupt_type = {
        .name   =       SUPERIO,
        .unmask =       superio_unmask_irq,
        .mask   =       superio_mask_irq,
-        .ack =          no_ack_irq,
 };
 #ifdef DEBUG_SUPERIO_INIT
@@ -354,7 +353,7 @@ int superio_fixup_irq(struct pci_dev *pcidev)
 #endif
        for (i = 0; i < 16; i++) {
-                set_irq_chip_and_handler(i, &superio_interrupt_type, handle_level_irq);
+                set_irq_chip_and_handler(i, &superio_interrupt_type, handle_simple_irq);
        }
        /*
diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c
index 3753fd0722e7..2fe8cb8e95cd 100644
--- a/drivers/pcmcia/soc_common.c
+++ b/drivers/pcmcia/soc_common.c
@@ -70,6 +70,7 @@ void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func,
                va_end(args);
        }
 }
+EXPORT_SYMBOL(soc_pcmcia_debug);
 #endif
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 60a5a5c6b50a..d235f44fd7a3 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -81,6 +81,8 @@ MODULE_PARM_DESC(wapf, "WAPF value");
 static int wlan_status = 1;
 static int bluetooth_status = 1;
+static int wimax_status = -1;
+static int wwan_status = -1;
 module_param(wlan_status, int, 0444);
 MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot "
@@ -92,6 +94,16 @@ MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot "
                 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
                 "default is 1");
+module_param(wimax_status, int, 0444);
+MODULE_PARM_DESC(wimax_status, "Set the wireless status on boot "
+                 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
+                 "default is 1");
+module_param(wwan_status, int, 0444);
+MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
+                 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
+                 "default is 1");
 /*
 * Some events we use, same for all Asus
 */
@@ -114,6 +126,8 @@ MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot "
 */
 #define WL_RSTS         0x01    /* internal Wifi */
 #define BT_RSTS         0x02    /* internal Bluetooth */
+#define WM_RSTS         0x08    /* internal wimax */
+#define WW_RSTS         0x20    /* internal wwan */
 /* LED */
 #define METHOD_MLED             "MLED"
@@ -132,6 +146,11 @@ MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot "
 */
 #define METHOD_WLAN             "WLED"
 #define METHOD_BLUETOOTH        "BLED"
+/* WWAN and WIMAX */
+#define METHOD_WWAN             "GSMC"
+#define METHOD_WIMAX            "WMXC"
 #define METHOD_WL_STATUS        "RSTS"
 /* Brightness */
@@ -883,6 +902,64 @@ static ssize_t store_bluetooth(struct device *dev,
 }
 /*
+ * Wimax
+ */
+static int asus_wimax_set(struct asus_laptop *asus, int status)
+{
+        if (write_acpi_int(asus->handle, METHOD_WIMAX, !!status)) {
+                pr_warning("Error setting wimax status to %d", status);
+                return -EIO;
+        }
+        return 0;
+}
+static ssize_t show_wimax(struct device *dev,
+                              struct device_attribute *attr, char *buf)
+{
+        struct asus_laptop *asus = dev_get_drvdata(dev);
+        return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS));
+}
+static ssize_t store_wimax(struct device *dev,
+                               struct device_attribute *attr, const char *buf,
+                               size_t count)
+{
+        struct asus_laptop *asus = dev_get_drvdata(dev);
+        return sysfs_acpi_set(asus, buf, count, METHOD_WIMAX);
+}
+/*
+ * Wwan
+ */
+static int asus_wwan_set(struct asus_laptop *asus, int status)
+{
+        if (write_acpi_int(asus->handle, METHOD_WWAN, !!status)) {
+                pr_warning("Error setting wwan status to %d", status);
+                return -EIO;
+        }
+        return 0;
+}
+static ssize_t show_wwan(struct device *dev,
+                              struct device_attribute *attr, char *buf)
+{
+        struct asus_laptop *asus = dev_get_drvdata(dev);
+        return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS));
+}
+static ssize_t store_wwan(struct device *dev,
+                               struct device_attribute *attr, const char *buf,
+                               size_t count)
+{
+        struct asus_laptop *asus = dev_get_drvdata(dev);
+        return sysfs_acpi_set(asus, buf, count, METHOD_WWAN);
+}
+/*
 * Display
 */
 static void asus_set_display(struct asus_laptop *asus, int value)
@@ -1202,6 +1279,8 @@ static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL);
 static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan);
 static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR,
                   show_bluetooth, store_bluetooth);
+static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax);
+static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan);
 static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp);
 static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd);
 static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl);
@@ -1212,6 +1291,8 @@ static struct attribute *asus_attributes[] = {
        &dev_attr_infos.attr,
        &dev_attr_wlan.attr,
        &dev_attr_bluetooth.attr,
+        &dev_attr_wimax.attr,
+        &dev_attr_wwan.attr,
        &dev_attr_display.attr,
        &dev_attr_ledd.attr,
        &dev_attr_ls_level.attr,
@@ -1239,6 +1320,13 @@ static mode_t asus_sysfs_is_visible(struct kobject *kobj,
        } else if (attr == &dev_attr_display.attr) {
                supported = !acpi_check_handle(handle, METHOD_SWITCH_DISPLAY, NULL);
+        } else if (attr == &dev_attr_wimax.attr) {
+                supported =
+                        !acpi_check_handle(asus->handle, METHOD_WIMAX, NULL);
+        } else if (attr == &dev_attr_wwan.attr) {
+                supported = !acpi_check_handle(asus->handle, METHOD_WWAN, NULL);
        } else if (attr == &dev_attr_ledd.attr) {
                supported = !acpi_check_handle(handle, METHOD_LEDD, NULL);
@@ -1397,7 +1485,8 @@ static int asus_laptop_get_info(struct asus_laptop *asus)
        /*
         * The HWRS method return informations about the hardware.
-         * 0x80 bit is for WLAN, 0x100 for Bluetooth.
+         * 0x80 bit is for WLAN, 0x100 for Bluetooth,
+         * 0x40 for WWAN, 0x10 for WIMAX.
         * The significance of others is yet to be found.
         */
        status =
@@ -1440,6 +1529,12 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus)
        if (wlan_status >= 0)
                asus_wlan_set(asus, !!wlan_status);
+        if (wimax_status >= 0)
+                asus_wimax_set(asus, !!wimax_status);
+        if (wwan_status >= 0)
+                asus_wwan_set(asus, !!wwan_status);
        /* Keyboard Backlight is on by default */
        if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL))
                asus_kled_set(asus, 1);
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 462ceab93f87..0d50fbbe2478 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -298,8 +298,8 @@ static void eeepc_wmi_notify(u32 value, void *context)
        kfree(obj);
 }
-static int store_cpufv(struct device *dev, struct device_attribute *attr,
+static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr,
-                       const char *buf, size_t count)
+                           const char *buf, size_t count)
 {
        int value;
        struct acpi_buffer input = { (acpi_size)sizeof(value), &value };
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 1dac659b5e0c..9e05af9c41cb 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -172,6 +172,8 @@ static int hp_wmi_perform_query(int query, int write, u32 *buffer,
        bios_return = *((struct bios_return *)obj->buffer.pointer);
        memcpy(buffer, &bios_return.value, sizeof(bios_return.value));
+        kfree(obj);
        return 0;
 }
diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
index 3c2c6b91ecb3..94a114aa8e28 100644
--- a/drivers/platform/x86/ibm_rtl.c
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -28,6 +28,7 @@
 #include <linux/io.h>
 #include <linux/sysdev.h>
 #include <linux/dmi.h>
+#include <linux/efi.h>
 #include <linux/mutex.h>
 #include <asm/bios_ebda.h>
@@ -220,32 +221,13 @@ static void rtl_teardown_sysfs(void) {
        sysdev_class_unregister(&class_rtl);
 }
-static int dmi_check_cb(const struct dmi_system_id *id)
-{
-        RTL_DEBUG("found IBM server '%s'\n", id->ident);
-        return 0;
-}
-#define ibm_dmi_entry(NAME, TYPE)                  \
-{                                                  \
-        .ident = NAME,                             \
-        .matches = {                               \
-                DMI_MATCH(DMI_SYS_VENDOR, "IBM"),  \
-                DMI_MATCH(DMI_PRODUCT_NAME, TYPE), \
-        },                                         \
-        .callback = dmi_check_cb                   \
-}
 static struct dmi_system_id __initdata ibm_rtl_dmi_table[] = {
-        ibm_dmi_entry("BladeCenter LS21", "7971"),
+        {                                                  \
-        ibm_dmi_entry("BladeCenter LS22", "7901"),
+                .matches = {                               \
-        ibm_dmi_entry("BladeCenter HS21 XM", "7995"),
+                        DMI_MATCH(DMI_SYS_VENDOR, "IBM"),  \
-        ibm_dmi_entry("BladeCenter HS22", "7870"),
+                },                                         \
-        ibm_dmi_entry("BladeCenter HS22V", "7871"),
+        },
-        ibm_dmi_entry("System x3550 M2", "7946"),
-        ibm_dmi_entry("System x3650 M2", "7947"),
-        ibm_dmi_entry("System x3550 M3", "7944"),
-        ibm_dmi_entry("System x3650 M3", "7945"),
        { }
 };
@@ -257,7 +239,7 @@ static int __init ibm_rtl_init(void) {
        if (force)
                pr_warning("ibm-rtl: module loaded by force\n");
        /* first ensure that we are running on IBM HW */
-        else if (!dmi_check_system(ibm_rtl_dmi_table))
+        else if (efi_enabled || !dmi_check_system(ibm_rtl_dmi_table))
                return -ENODEV;
        /* Get the address for the Extended BIOS Data Area */
@@ -302,7 +284,7 @@ static int __init ibm_rtl_init(void) {
                        RTL_DEBUG("rtl_cmd_width = %u, rtl_cmd_type = %u\n",
                              rtl_cmd_width, rtl_cmd_type);
                        addr = ioread32(&rtl_table->cmd_port_address);
-                        RTL_DEBUG("addr = %#llx\n", addr);
+                        RTL_DEBUG("addr = %#llx\n", (unsigned long long)addr);
                        plen = rtl_cmd_width/sizeof(char);
                        rtl_cmd_addr = rtl_port_map(addr, plen);
                        RTL_DEBUG("rtl_cmd_addr = %#llx\n", (u64)rtl_cmd_addr);
diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
index 42a5469a2459..35278ad7e628 100644
--- a/drivers/platform/x86/msi-wmi.c
+++ b/drivers/platform/x86/msi-wmi.c
@@ -43,16 +43,18 @@ MODULE_ALIAS("wmi:B6F3EEF2-3D2F-49DC-9DE3-85BCE18C62F2");
 #define dprintk(msg...) pr_debug(DRV_PFX msg)
-#define KEYCODE_BASE 0xD0
+#define SCANCODE_BASE 0xD0
-#define MSI_WMI_BRIGHTNESSUP   KEYCODE_BASE
+#define MSI_WMI_BRIGHTNESSUP   SCANCODE_BASE
-#define MSI_WMI_BRIGHTNESSDOWN (KEYCODE_BASE + 1)
+#define MSI_WMI_BRIGHTNESSDOWN (SCANCODE_BASE + 1)
-#define MSI_WMI_VOLUMEUP       (KEYCODE_BASE + 2)
+#define MSI_WMI_VOLUMEUP       (SCANCODE_BASE + 2)
-#define MSI_WMI_VOLUMEDOWN     (KEYCODE_BASE + 3)
+#define MSI_WMI_VOLUMEDOWN     (SCANCODE_BASE + 3)
+#define MSI_WMI_MUTE           (SCANCODE_BASE + 4)
 static struct key_entry msi_wmi_keymap[] = {
        { KE_KEY, MSI_WMI_BRIGHTNESSUP,   {KEY_BRIGHTNESSUP} },
        { KE_KEY, MSI_WMI_BRIGHTNESSDOWN, {KEY_BRIGHTNESSDOWN} },
        { KE_KEY, MSI_WMI_VOLUMEUP,       {KEY_VOLUMEUP} },
        { KE_KEY, MSI_WMI_VOLUMEDOWN,     {KEY_VOLUMEDOWN} },
+        { KE_KEY, MSI_WMI_MUTE,           {KEY_MUTE} },
        { KE_END, 0}
 };
 static ktime_t last_pressed[ARRAY_SIZE(msi_wmi_keymap) - 1];
@@ -169,7 +171,7 @@ static void msi_wmi_notify(u32 value, void *context)
                        ktime_t diff;
                        cur = ktime_get_real();
                        diff = ktime_sub(cur, last_pressed[key->code -
-                                        KEYCODE_BASE]);
+                                        SCANCODE_BASE]);
                        /* Ignore event if the same event happened in a 50 ms
                           timeframe -> Key press may result in 10-20 GPEs */
                        if (ktime_to_us(diff) < 1000 * 50) {
@@ -178,7 +180,7 @@ static void msi_wmi_notify(u32 value, void *context)
                                         key->code, ktime_to_us(diff));
                                return;
                        }
-                        last_pressed[key->code - KEYCODE_BASE] = cur;
+                        last_pressed[key->code - SCANCODE_BASE] = cur;
                        if (key->type == KE_KEY &&
                        /* Brightness is served via acpi video driver */
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 2d61186ad5a2..e8c21994b36d 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -8497,7 +8497,6 @@ static void ibm_exit(struct ibm_struct *ibm)
                                           ibm->acpi->type,
                                           dispatch_acpi_notify);
                ibm->flags.acpi_notify_installed = 0;
-                ibm->flags.acpi_notify_installed = 0;
        }
        if (ibm->flags.proc_created) {
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 06f304f46e02..4276da7291b8 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -135,6 +135,7 @@ static const struct key_entry toshiba_acpi_keymap[] __initconst = {
        { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } },
        { KE_KEY, 0x142, { KEY_WLAN } },
        { KE_KEY, 0x143, { KEY_PROG1 } },
+        { KE_KEY, 0x17f, { KEY_FN } },
        { KE_KEY, 0xb05, { KEY_PROG2 } },
        { KE_KEY, 0xb06, { KEY_WWW } },
        { KE_KEY, 0xb07, { KEY_MAIL } },
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 104b77c87ef5..aecd9a9b549f 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -755,7 +755,7 @@ static bool guid_already_parsed(const char *guid_string)
        struct wmi_block *wblock;
        list_for_each_entry(wblock, &wmi_block_list, list)
-                if (strncmp(wblock->gblock.guid, guid_string, 16) == 0)
+                if (memcmp(wblock->gblock.guid, guid_string, 16) == 0)
                        return true;
        return false;
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index a5050e217150..825951b6b83f 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -635,7 +635,7 @@ static void css_process_crw(struct crw *crw0, struct crw *crw1, int overflow)
        init_subchannel_id(&mchk_schid);
        mchk_schid.sch_no = crw0->rsid;
        if (crw1)
-                mchk_schid.ssid = (crw1->rsid >> 8) & 3;
+                mchk_schid.ssid = (crw1->rsid >> 4) & 3;
        /*
         * Since we are always presented with IPI in the CRW, we have to
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index cad7d45c8bac..c265aed09e04 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -1029,10 +1029,6 @@ static int __init fb_probe(struct platform_device *device)
                goto err_release_pl_mem;
        }
-        ret = request_irq(par->irq, lcdc_irq_handler, 0, DRIVER_NAME, par);
-        if (ret)
-                goto err_release_pl_mem;
        /* Initialize par */
        da8xx_fb_info->var.bits_per_pixel = lcd_cfg->bpp;
@@ -1060,7 +1056,7 @@ static int __init fb_probe(struct platform_device *device)
        ret = fb_alloc_cmap(&da8xx_fb_info->cmap, PALETTE_SIZE, 0);
        if (ret)
-                goto err_free_irq;
+                goto err_release_pl_mem;
        da8xx_fb_info->cmap.len = par->palette_sz;
        /* initialize var_screeninfo */
@@ -1088,8 +1084,13 @@ static int __init fb_probe(struct platform_device *device)
                goto err_cpu_freq;
        }
 #endif
+        ret = request_irq(par->irq, lcdc_irq_handler, 0, DRIVER_NAME, par);
+        if (ret)
+                goto irq_freq;
        return 0;
+irq_freq:
 #ifdef CONFIG_CPU_FREQ
 err_cpu_freq:
        unregister_framebuffer(da8xx_fb_info);
@@ -1098,9 +1099,6 @@ err_cpu_freq:
 err_dealloc_cmap:
        fb_dealloc_cmap(&da8xx_fb_info->cmap);
-err_free_irq:
-        free_irq(par->irq, par);
 err_release_pl_mem:
        dma_free_coherent(NULL, PALETTE_SIZE, par->v_palette_base,
                          par->p_palette_base);
diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c
index affdf3e32cf3..5c3960da755a 100644
--- a/drivers/video/fbcmap.c
+++ b/drivers/video/fbcmap.c
@@ -80,6 +80,7 @@ static const struct fb_cmap default_16_colors = {
 *      @cmap: frame buffer colormap structure
 *      @len: length of @cmap
 *      @transp: boolean, 1 if there is transparency, 0 otherwise
+ *      @flags: flags for kmalloc memory allocation
 *
 *      Allocates memory for a colormap @cmap.  @len is the
 *      number of entries in the palette.
diff --git a/drivers/video/geode/lxfb.h b/drivers/video/geode/lxfb.h
index e4c4d89b7860..be8ccb47ebe0 100644
--- a/drivers/video/geode/lxfb.h
+++ b/drivers/video/geode/lxfb.h
@@ -22,6 +22,7 @@
 #define DC_HFILT_COUNT  0x100
 #define DC_VFILT_COUNT  0x100
 #define VP_COEFF_SIZE   0x1000
+#define VP_PAL_COUNT    0x100
 #define OUTPUT_CRT   0x01
 #define OUTPUT_PANEL 0x02
@@ -48,7 +49,8 @@ struct lxfb_par {
        uint64_t vp[VP_REG_COUNT];
        uint64_t fp[FP_REG_COUNT];
-        uint32_t pal[DC_PAL_COUNT];
+        uint32_t dc_pal[DC_PAL_COUNT];
+        uint32_t vp_pal[VP_PAL_COUNT];
        uint32_t hcoeff[DC_HFILT_COUNT * 2];
        uint32_t vcoeff[DC_VFILT_COUNT];
        uint32_t vp_coeff[VP_COEFF_SIZE / 4];
diff --git a/drivers/video/geode/lxfb_ops.c b/drivers/video/geode/lxfb_ops.c
index 85ec7f64c42a..79e9abc72b83 100644
--- a/drivers/video/geode/lxfb_ops.c
+++ b/drivers/video/geode/lxfb_ops.c
@@ -610,10 +610,15 @@ static void lx_save_regs(struct lxfb_par *par)
        memcpy(par->vp, par->vp_regs, sizeof(par->vp));
        memcpy(par->fp, par->vp_regs + VP_FP_START, sizeof(par->fp));
-        /* save the palette */
+        /* save the display controller palette */
        write_dc(par, DC_PAL_ADDRESS, 0);
-        for (i = 0; i < ARRAY_SIZE(par->pal); i++)
+        for (i = 0; i < ARRAY_SIZE(par->dc_pal); i++)
-                par->pal[i] = read_dc(par, DC_PAL_DATA);
+                par->dc_pal[i] = read_dc(par, DC_PAL_DATA);
+        /* save the video processor palette */
+        write_vp(par, VP_PAR, 0);
+        for (i = 0; i < ARRAY_SIZE(par->vp_pal); i++)
+                par->vp_pal[i] = read_vp(par, VP_PDR);
        /* save the horizontal filter coefficients */
        filt = par->dc[DC_IRQ_FILT_CTL] | DC_IRQ_FILT_CTL_H_FILT_SEL;
@@ -706,8 +711,8 @@ static void lx_restore_display_ctlr(struct lxfb_par *par)
        /* restore the palette */
        write_dc(par, DC_PAL_ADDRESS, 0);
-        for (i = 0; i < ARRAY_SIZE(par->pal); i++)
+        for (i = 0; i < ARRAY_SIZE(par->dc_pal); i++)
-                write_dc(par, DC_PAL_DATA, par->pal[i]);
+                write_dc(par, DC_PAL_DATA, par->dc_pal[i]);
        /* restore the horizontal filter coefficients */
        filt = par->dc[DC_IRQ_FILT_CTL] | DC_IRQ_FILT_CTL_H_FILT_SEL;
@@ -751,6 +756,11 @@ static void lx_restore_video_proc(struct lxfb_par *par)
                }
        }
+        /* restore video processor palette */
+        write_vp(par, VP_PAR, 0);
+        for (i = 0; i < ARRAY_SIZE(par->vp_pal); i++)
+                write_vp(par, VP_PDR, par->vp_pal[i]);
        /* restore video coeff ram */
        memcpy(par->vp_regs + VP_VCR, par->vp_coeff, sizeof(par->vp_coeff));
 }
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 2b17ad5b4b32..43f9f02c7db0 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -412,8 +412,16 @@ static int __init balloon_init(void)
        register_balloon(&balloon_sysdev);
-        /* Initialise the balloon with excess memory space. */
+        /*
-        extra_pfn_end = min(e820_end_of_ram_pfn(),
+         * Initialise the balloon with excess memory space.  We need
+         * to make sure we don't add memory which doesn't exist or
+         * logically exist.  The E820 map can be trimmed to be smaller
+         * than the amount of physical memory due to the mem= command
+         * line parameter.  And if this is a 32-bit non-HIGHMEM kernel
+         * on a system with memory which requires highmem to access,
+         * don't try to use it.
+         */
+        extra_pfn_end = min(min(max_pfn, e820_end_of_ram_pfn()),
                            (unsigned long)PFN_DOWN(xen_extra_mem_start + xen_extra_mem_size));
        for (pfn = PFN_UP(xen_extra_mem_start);
             pfn < extra_pfn_end;
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 2811bb988ea0..31af0ac31a98 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -105,7 +105,6 @@ struct irq_info
 static struct irq_info *irq_info;
 static int *pirq_to_irq;
-static int nr_pirqs;
 static int *evtchn_to_irq;
 struct cpu_evtchn_s {
@@ -385,12 +384,17 @@ static int get_nr_hw_irqs(void)
        return ret;
 }
-/* callers of this function should make sure that PHYSDEVOP_get_nr_pirqs
+static int find_unbound_pirq(int type)
- * succeeded otherwise nr_pirqs won't hold the right value */
-static int find_unbound_pirq(void)
 {
-        int i;
+        int rc, i;
-        for (i = nr_pirqs-1; i >= 0; i--) {
+        struct physdev_get_free_pirq op_get_free_pirq;
+        op_get_free_pirq.type = type;
+        rc = HYPERVISOR_physdev_op(PHYSDEVOP_get_free_pirq, &op_get_free_pirq);
+        if (!rc)
+                return op_get_free_pirq.pirq;
+        for (i = 0; i < nr_irqs; i++) {
                if (pirq_to_irq[i] < 0)
                        return i;
        }
@@ -423,7 +427,7 @@ static int find_unbound_irq(void)
        if (irq == start)
                goto no_irqs;
-        res = irq_alloc_desc_at(irq, 0);
+        res = irq_alloc_desc_at(irq, -1);
        if (WARN_ON(res != irq))
                return -1;
@@ -611,10 +615,10 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name)
        spin_lock(&irq_mapping_update_lock);
-        if ((pirq > nr_pirqs) || (gsi > nr_irqs)) {
+        if ((pirq > nr_irqs) || (gsi > nr_irqs)) {
                printk(KERN_WARNING "xen_map_pirq_gsi: %s %s is incorrect!\n",
-                        pirq > nr_pirqs ? "nr_pirqs" :"",
+                        pirq > nr_irqs ? "pirq" :"",
-                        gsi > nr_irqs ? "nr_irqs" : "");
+                        gsi > nr_irqs ? "gsi" : "");
                goto out;
        }
@@ -630,7 +634,7 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name)
        if (identity_mapped_irq(gsi) || (!xen_initial_domain() &&
                                xen_pv_domain())) {
                irq = gsi;
-                irq_alloc_desc_at(irq, 0);
+                irq_alloc_desc_at(irq, -1);
        } else
                irq = find_unbound_irq();
@@ -664,17 +668,21 @@ out:
 #include <linux/msi.h>
 #include "../pci/msi.h"
-void xen_allocate_pirq_msi(char *name, int *irq, int *pirq)
+void xen_allocate_pirq_msi(char *name, int *irq, int *pirq, int alloc)
 {
        spin_lock(&irq_mapping_update_lock);
-        *irq = find_unbound_irq();
+        if (alloc & XEN_ALLOC_IRQ) {
-        if (*irq == -1)
+                *irq = find_unbound_irq();
-                goto out;
+                if (*irq == -1)
+                        goto out;
+        }
-        *pirq = find_unbound_pirq();
+        if (alloc & XEN_ALLOC_PIRQ) {
-        if (*pirq == -1)
+                *pirq = find_unbound_pirq(MAP_PIRQ_TYPE_MSI);
-                goto out;
+                if (*pirq == -1)
+                        goto out;
+        }
        set_irq_chip_and_handler_name(*irq, &xen_pirq_chip,
                                      handle_level_irq, name);
@@ -762,6 +770,7 @@ int xen_destroy_irq(int irq)
                        printk(KERN_WARNING "unmap irq failed %d\n", rc);
                        goto out;
                }
+                pirq_to_irq[info->u.pirq.pirq] = -1;
        }
        irq_info[irq] = mk_unbound_info();
@@ -782,6 +791,11 @@ int xen_gsi_from_irq(unsigned irq)
        return gsi_from_irq(irq);
 }
+int xen_irq_from_pirq(unsigned pirq)
+{
+        return pirq_to_irq[pirq];
+}
 int bind_evtchn_to_irq(unsigned int evtchn)
 {
        int irq;
@@ -1279,6 +1293,42 @@ static int retrigger_dynirq(unsigned int irq)
        return ret;
 }
+static void restore_cpu_pirqs(void)
+{
+        int pirq, rc, irq, gsi;
+        struct physdev_map_pirq map_irq;
+        for (pirq = 0; pirq < nr_irqs; pirq++) {
+                irq = pirq_to_irq[pirq];
+                if (irq == -1)
+                        continue;
+                /* save/restore of PT devices doesn't work, so at this point the
+                 * only devices present are GSI based emulated devices */
+                gsi = gsi_from_irq(irq);
+                if (!gsi)
+                        continue;
+                map_irq.domid = DOMID_SELF;
+                map_irq.type = MAP_PIRQ_TYPE_GSI;
+                map_irq.index = gsi;
+                map_irq.pirq = pirq;
+                rc = HYPERVISOR_physdev_op(PHYSDEVOP_map_pirq, &map_irq);
+                if (rc) {
+                        printk(KERN_WARNING "xen map irq failed gsi=%d irq=%d pirq=%d rc=%d\n",
+                                        gsi, irq, pirq, rc);
+                        irq_info[irq] = mk_unbound_info();
+                        pirq_to_irq[pirq] = -1;
+                        continue;
+                }
+                printk(KERN_DEBUG "xen: --> irq=%d, pirq=%d\n", irq, map_irq.pirq);
+                startup_pirq(irq);
+        }
+}
 static void restore_cpu_virqs(unsigned int cpu)
 {
        struct evtchn_bind_virq bind_virq;
@@ -1422,6 +1472,8 @@ void xen_irq_resume(void)
                unmask_evtchn(evtchn);
        }
+        restore_cpu_pirqs();
 }
 static struct irq_chip xen_dynamic_chip __read_mostly = {
@@ -1506,26 +1558,17 @@ void xen_callback_vector(void) {}
 void __init xen_init_IRQ(void)
 {
-        int i, rc;
+        int i;
-        struct physdev_nr_pirqs op_nr_pirqs;
        cpu_evtchn_mask_p = kcalloc(nr_cpu_ids, sizeof(struct cpu_evtchn_s),
                                    GFP_KERNEL);
        irq_info = kcalloc(nr_irqs, sizeof(*irq_info), GFP_KERNEL);
-        rc = HYPERVISOR_physdev_op(PHYSDEVOP_get_nr_pirqs, &op_nr_pirqs);
+        /* We are using nr_irqs as the maximum number of pirq available but
-        if (rc < 0) {
+         * that number is actually chosen by Xen and we don't know exactly
-                nr_pirqs = nr_irqs;
+         * what it is. Be careful choosing high pirq numbers. */
-                if (rc != -ENOSYS)
+        pirq_to_irq = kcalloc(nr_irqs, sizeof(*pirq_to_irq), GFP_KERNEL);
-                        printk(KERN_WARNING "PHYSDEVOP_get_nr_pirqs returned rc=%d\n", rc);
+        for (i = 0; i < nr_irqs; i++)
-        } else {
-                if (xen_pv_domain() && !xen_initial_domain())
-                        nr_pirqs = max((int)op_nr_pirqs.nr_pirqs, nr_irqs);
-                else
-                        nr_pirqs = op_nr_pirqs.nr_pirqs;
-        }
-        pirq_to_irq = kcalloc(nr_pirqs, sizeof(*pirq_to_irq), GFP_KERNEL);
-        for (i = 0; i < nr_pirqs; i++)
                pirq_to_irq[i] = -1;
        evtchn_to_irq = kcalloc(NR_EVENT_CHANNELS, sizeof(*evtchn_to_irq),
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index ef9c7db52077..db8c4c4ac880 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -49,6 +49,7 @@ static int xen_hvm_suspend(void *data)
        if (!*cancelled) {
                xen_irq_resume();
+                xen_console_resume();
                xen_timer_resume();
        }
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index d5c1401f0031..d34896cfb19f 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -980,19 +980,11 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
        }
 }
-static DEFINE_MUTEX(autofs4_ioctl_mutex);
 static long autofs4_root_ioctl(struct file *filp,
                               unsigned int cmd, unsigned long arg)
 {
-        long ret;
        struct inode *inode = filp->f_dentry->d_inode;
+        return autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
-        mutex_lock(&autofs4_ioctl_mutex);
-        ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
-        mutex_unlock(&autofs4_ioctl_mutex);
-        return ret;
 }
 #ifdef CONFIG_COMPAT
@@ -1002,13 +994,11 @@ static long autofs4_root_compat_ioctl(struct file *filp,
        struct inode *inode = filp->f_path.dentry->d_inode;
        int ret;
-        mutex_lock(&autofs4_ioctl_mutex);
        if (cmd == AUTOFS_IOC_READY || cmd == AUTOFS_IOC_FAIL)
                ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
        else
                ret = autofs4_root_ioctl_unlocked(inode, filp, cmd,
                        (unsigned long)compat_ptr(arg));
-        mutex_unlock(&autofs4_ioctl_mutex);
        return ret;
 }
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 52c7557f3e25..9f26ac9be2a4 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1964,8 +1964,10 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
        if (reg == NULL)
                return ERR_PTR(-ENOMEM);
-        if (strlen(name) > O2HB_MAX_REGION_NAME_LEN)
+        if (strlen(name) > O2HB_MAX_REGION_NAME_LEN) {
-                return ERR_PTR(-ENAMETOOLONG);
+                ret = -ENAMETOOLONG;
+                goto free;
+        }
        spin_lock(&o2hb_live_lock);
        reg->hr_region_num = 0;
@@ -1974,7 +1976,8 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
                                                         O2NM_MAX_REGIONS);
                if (reg->hr_region_num >= O2NM_MAX_REGIONS) {
                        spin_unlock(&o2hb_live_lock);
-                        return ERR_PTR(-EFBIG);
+                        ret = -EFBIG;
+                        goto free;
                }
                set_bit(reg->hr_region_num, o2hb_region_bitmap);
        }
@@ -1986,10 +1989,13 @@ static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *g
        ret = o2hb_debug_region_init(reg, o2hb_debug_dir);
        if (ret) {
                config_item_put(&reg->hr_item);
-                return ERR_PTR(ret);
+                goto free;
        }
        return &reg->hr_item;
+free:
+        kfree(reg);
+        return ERR_PTR(ret);
 }
 static void o2hb_heartbeat_group_drop_item(struct config_group *group,
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index edaded48e7e9..895532ac4d98 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -476,7 +476,6 @@ static void ocfs2_dentry_iput(struct dentry *dentry, struct inode *inode)
 out:
        iput(inode);
-        ocfs2_dentry_attach_gen(dentry);
 }
 /*
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 58a93b953735..cc2aaa96cfe5 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -959,7 +959,7 @@ static int dlm_match_regions(struct dlm_ctxt *dlm,
                r += O2HB_MAX_REGION_NAME_LEN;
        }
-        local = kmalloc(sizeof(qr->qr_regions), GFP_KERNEL);
+        local = kmalloc(sizeof(qr->qr_regions), GFP_ATOMIC);
        if (!local) {
                status = -ENOMEM;
                goto bail;
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 1efea3615589..70dd3b1798f1 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -159,9 +159,9 @@ struct ocfs2_lock_res {
        char                     l_name[OCFS2_LOCK_ID_MAX_LEN];
        unsigned int             l_ro_holders;
        unsigned int             l_ex_holders;
-        char                     l_level;
+        signed char              l_level;
-        char                     l_requested;
+        signed char              l_requested;
-        char                     l_blocking;
+        signed char              l_blocking;
        /* Data packed - type enum ocfs2_lock_type */
        unsigned char            l_type;
diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c
index 252e7c82f929..a5ebe421195f 100644
--- a/fs/ocfs2/stack_user.c
+++ b/fs/ocfs2/stack_user.c
@@ -190,7 +190,7 @@ static struct ocfs2_live_connection *ocfs2_connection_find(const char *name)
                        return c;
        }
-        return c;
+        return NULL;
 }
 /*
diff --git a/fs/proc/base.c b/fs/proc/base.c
index f3d02ca461ec..182845147fe4 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1574,7 +1574,7 @@ static int do_proc_readlink(struct path *path, char __user *buffer, int buflen)
        if (!tmp)
                return -ENOMEM;
-        pathname = d_path_with_unreachable(path, tmp, PAGE_SIZE);
+        pathname = d_path(path, tmp, PAGE_SIZE);
        len = PTR_ERR(pathname);
        if (IS_ERR(pathname))
                goto out;
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index 536d697a8a28..90d2fcb67a31 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -472,7 +472,9 @@ int reiserfs_acl_chmod(struct inode *inode)
                struct reiserfs_transaction_handle th;
                size_t size = reiserfs_xattr_nblocks(inode,
                                             reiserfs_acl_size(clone->a_count));
-                reiserfs_write_lock(inode->i_sb);
+                int depth;
+                depth = reiserfs_write_lock_once(inode->i_sb);
                error = journal_begin(&th, inode->i_sb, size * 2);
                if (!error) {
                        int error2;
@@ -482,7 +484,7 @@ int reiserfs_acl_chmod(struct inode *inode)
                        if (error2)
                                error = error2;
                }
-                reiserfs_write_unlock(inode->i_sb);
+                reiserfs_write_unlock_once(inode->i_sb, depth);
        }
        posix_acl_release(clone);
        return error;
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index e8713d55360a..f54adfcbec9c 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -360,7 +360,7 @@ void drain_local_pages(void *dummy);
 extern gfp_t gfp_allowed_mask;
-extern void set_gfp_allowed_mask(gfp_t mask);
+extern void pm_restrict_gfp_mask(void);
-extern gfp_t clear_gfp_allowed_mask(gfp_t mask);
+extern void pm_restore_gfp_mask(void);
 #endif /* __LINUX_GFP_H */
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 4307231bd22f..31c237a00c48 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -161,6 +161,9 @@ extern void register_page_bootmem_info_node(struct pglist_data *pgdat);
 extern void put_page_bootmem(struct page *page);
 #endif
+void lock_memory_hotplug(void);
+void unlock_memory_hotplug(void);
 #else /* ! CONFIG_MEMORY_HOTPLUG */
 /*
 * Stub functions for when hotplug is off
@@ -192,6 +195,9 @@ static inline void register_page_bootmem_info_node(struct pglist_data *pgdat)
 {
 }
+static inline void lock_memory_hotplug(void) {}
+static inline void unlock_memory_hotplug(void) {}
 #endif /* ! CONFIG_MEMORY_HOTPLUG */
 #ifdef CONFIG_MEMORY_HOTREMOVE
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index a03dcf62ca9d..44b54f619ac6 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -7,8 +7,6 @@
 struct vm_area_struct;          /* vma defining user mapping in mm_types.h */
-extern bool vmap_lazy_unmap;
 /* bits in flags of vmalloc's vm_struct below */
 #define VM_IOREMAP      0x00000001      /* ioremap() and friends */
 #define VM_ALLOC        0x00000002      /* vmalloc() */
diff --git a/include/xen/events.h b/include/xen/events.h
index 646dd17d3aa4..00f53ddcc062 100644
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -76,7 +76,9 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name);
 #ifdef CONFIG_PCI_MSI
 /* Allocate an irq and a pirq to be used with MSIs. */
-void xen_allocate_pirq_msi(char *name, int *irq, int *pirq);
+#define XEN_ALLOC_PIRQ (1 << 0)
+#define XEN_ALLOC_IRQ  (1 << 1)
+void xen_allocate_pirq_msi(char *name, int *irq, int *pirq, int alloc_mask);
 int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type);
 #endif
@@ -89,4 +91,7 @@ int xen_vector_from_irq(unsigned pirq);
 /* Return gsi allocated to pirq */
 int xen_gsi_from_irq(unsigned pirq);
+/* Return irq from pirq */
+int xen_irq_from_pirq(unsigned pirq);
 #endif  /* _XEN_EVENTS_H */
diff --git a/include/xen/interface/physdev.h b/include/xen/interface/physdev.h
index 2b2c66c3df00..534cac89a77d 100644
--- a/include/xen/interface/physdev.h
+++ b/include/xen/interface/physdev.h
@@ -188,6 +188,16 @@ struct physdev_nr_pirqs {
    uint32_t nr_pirqs;
 };
+/* type is MAP_PIRQ_TYPE_GSI or MAP_PIRQ_TYPE_MSI
+ * the hypercall returns a free pirq */
+#define PHYSDEVOP_get_free_pirq    23
+struct physdev_get_free_pirq {
+    /* IN */ 
+    int type;
+    /* OUT */
+    uint32_t pirq;
+};
 /*
 * Notify that some PIRQ-bound event channels have been unmasked.
 * ** This command is obsolete since interface version 0x00030202 and is **
diff --git a/kernel/exit.c b/kernel/exit.c
index 21aa7b3001fb..676149a4ac5f 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -914,6 +914,15 @@ NORET_TYPE void do_exit(long code)
        if (unlikely(!tsk->pid))
                panic("Attempted to kill the idle task!");
+        /*
+         * If do_exit is called because this processes oopsed, it's possible
+         * that get_fs() was left as KERNEL_DS, so reset it to USER_DS before
+         * continuing. Amongst other possible reasons, this is to prevent
+         * mm_release()->clear_child_tid() from writing to a user-controlled
+         * kernel address.
+         */
+        set_fs(USER_DS);
        tracehook_report_exit(&code);
        validate_creds_for_do_exit(tsk);
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 01b1d3a88983..6c8a2a9f8a7b 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -214,7 +214,7 @@ static int irq_spurious_proc_show(struct seq_file *m, void *v)
 static int irq_spurious_proc_open(struct inode *inode, struct file *file)
 {
-        return single_open(file, irq_spurious_proc_show, NULL);
+        return single_open(file, irq_spurious_proc_show, PDE(inode)->data);
 }
 static const struct file_operations irq_spurious_proc_fops = {
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 657272e91d0a..048d0b514831 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -327,7 +327,6 @@ static int create_image(int platform_mode)
 int hibernation_snapshot(int platform_mode)
 {
        int error;
-        gfp_t saved_mask;
        error = platform_begin(platform_mode);
        if (error)
@@ -339,7 +338,7 @@ int hibernation_snapshot(int platform_mode)
                goto Close;
        suspend_console();
-        saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
+        pm_restrict_gfp_mask();
        error = dpm_suspend_start(PMSG_FREEZE);
        if (error)
                goto Recover_platform;
@@ -348,7 +347,10 @@ int hibernation_snapshot(int platform_mode)
                goto Recover_platform;
        error = create_image(platform_mode);
-        /* Control returns here after successful restore */
+        /*
+         * Control returns here (1) after the image has been created or the
+         * image creation has failed and (2) after a successful restore.
+         */
 Resume_devices:
        /* We may need to release the preallocated image pages here. */
@@ -357,7 +359,10 @@ int hibernation_snapshot(int platform_mode)
        dpm_resume_end(in_suspend ?
                (error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE);
-        set_gfp_allowed_mask(saved_mask);
+        if (error || !in_suspend)
+                pm_restore_gfp_mask();
        resume_console();
 Close:
        platform_end(platform_mode);
@@ -452,17 +457,16 @@ static int resume_target_kernel(bool platform_mode)
 int hibernation_restore(int platform_mode)
 {
        int error;
-        gfp_t saved_mask;
        pm_prepare_console();
        suspend_console();
-        saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
+        pm_restrict_gfp_mask();
        error = dpm_suspend_start(PMSG_QUIESCE);
        if (!error) {
                error = resume_target_kernel(platform_mode);
                dpm_resume_end(PMSG_RECOVER);
        }
-        set_gfp_allowed_mask(saved_mask);
+        pm_restore_gfp_mask();
        resume_console();
        pm_restore_console();
        return error;
@@ -476,7 +480,6 @@ int hibernation_restore(int platform_mode)
 int hibernation_platform_enter(void)
 {
        int error;
-        gfp_t saved_mask;
        if (!hibernation_ops)
                return -ENOSYS;
@@ -492,7 +495,6 @@ int hibernation_platform_enter(void)
        entering_platform_hibernation = true;
        suspend_console();
-        saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
        error = dpm_suspend_start(PMSG_HIBERNATE);
        if (error) {
                if (hibernation_ops->recover)
@@ -536,7 +538,6 @@ int hibernation_platform_enter(void)
 Resume_devices:
        entering_platform_hibernation = false;
        dpm_resume_end(PMSG_RESTORE);
-        set_gfp_allowed_mask(saved_mask);
        resume_console();
 Close:
@@ -646,6 +647,7 @@ int hibernate(void)
                swsusp_free();
                if (!error)
                        power_down();
+                pm_restore_gfp_mask();
        } else {
                pr_debug("PM: Image restored successfully.\n");
        }
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 7335952ee473..ecf770509d0d 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -197,7 +197,6 @@ static int suspend_enter(suspend_state_t state)
 int suspend_devices_and_enter(suspend_state_t state)
 {
        int error;
-        gfp_t saved_mask;
        if (!suspend_ops)
                return -ENOSYS;
@@ -208,7 +207,7 @@ int suspend_devices_and_enter(suspend_state_t state)
                        goto Close;
        }
        suspend_console();
-        saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
+        pm_restrict_gfp_mask();
        suspend_test_start();
        error = dpm_suspend_start(PMSG_SUSPEND);
        if (error) {
@@ -225,7 +224,7 @@ int suspend_devices_and_enter(suspend_state_t state)
        suspend_test_start();
        dpm_resume_end(PMSG_RESUME);
        suspend_test_finish("resume devices");
-        set_gfp_allowed_mask(saved_mask);
+        pm_restore_gfp_mask();
        resume_console();
 Close:
        if (suspend_ops->end)
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index a0e4a86ccf94..baf667bb2794 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -6,6 +6,7 @@
 *
 * Copyright (C) 1998,2001-2005 Pavel Machek <pavel@ucw.cz>
 * Copyright (C) 2006 Rafael J. Wysocki <rjw@sisk.pl>
+ * Copyright (C) 2010 Bojan Smojver <bojan@rexursive.com>
 *
 * This file is released under the GPLv2.
 *
@@ -753,30 +754,43 @@ static int load_image_lzo(struct swap_map_handle *handle,
 {
        unsigned int m;
        int error = 0;
+        struct bio *bio;
        struct timeval start;
        struct timeval stop;
        unsigned nr_pages;
-        size_t off, unc_len, cmp_len;
+        size_t i, off, unc_len, cmp_len;
-        unsigned char *unc, *cmp, *page;
+        unsigned char *unc, *cmp, *page[LZO_CMP_PAGES];
-        page = (void *)__get_free_page(__GFP_WAIT | __GFP_HIGH);
+        for (i = 0; i < LZO_CMP_PAGES; i++) {
-        if (!page) {
+                page[i] = (void *)__get_free_page(__GFP_WAIT | __GFP_HIGH);
-                printk(KERN_ERR "PM: Failed to allocate LZO page\n");
+                if (!page[i]) {
-                return -ENOMEM;
+                        printk(KERN_ERR "PM: Failed to allocate LZO page\n");
+                        while (i)
+                                free_page((unsigned long)page[--i]);
+                        return -ENOMEM;
+                }
        }
        unc = vmalloc(LZO_UNC_SIZE);
        if (!unc) {
                printk(KERN_ERR "PM: Failed to allocate LZO uncompressed\n");
-                free_page((unsigned long)page);
+                for (i = 0; i < LZO_CMP_PAGES; i++)
+                        free_page((unsigned long)page[i]);
                return -ENOMEM;
        }
        cmp = vmalloc(LZO_CMP_SIZE);
        if (!cmp) {
                printk(KERN_ERR "PM: Failed to allocate LZO compressed\n");
                vfree(unc);
-                free_page((unsigned long)page);
+                for (i = 0; i < LZO_CMP_PAGES; i++)
+                        free_page((unsigned long)page[i]);
                return -ENOMEM;
        }
@@ -787,6 +801,7 @@ static int load_image_lzo(struct swap_map_handle *handle,
        if (!m)
                m = 1;
        nr_pages = 0;
+        bio = NULL;
        do_gettimeofday(&start);
        error = snapshot_write_next(snapshot);
@@ -794,11 +809,11 @@ static int load_image_lzo(struct swap_map_handle *handle,
                goto out_finish;
        for (;;) {
-                error = swap_read_page(handle, page, NULL); /* sync */
+                error = swap_read_page(handle, page[0], NULL); /* sync */
                if (error)
                        break;
-                cmp_len = *(size_t *)page;
+                cmp_len = *(size_t *)page[0];
                if (unlikely(!cmp_len ||
                             cmp_len > lzo1x_worst_compress(LZO_UNC_SIZE))) {
                        printk(KERN_ERR "PM: Invalid LZO compressed length\n");
@@ -806,13 +821,20 @@ static int load_image_lzo(struct swap_map_handle *handle,
                        break;
                }
-                memcpy(cmp, page, PAGE_SIZE);
+                for (off = PAGE_SIZE, i = 1;
-                for (off = PAGE_SIZE; off < LZO_HEADER + cmp_len; off += PAGE_SIZE) {
+                     off < LZO_HEADER + cmp_len; off += PAGE_SIZE, i++) {
-                        error = swap_read_page(handle, page, NULL); /* sync */
+                        error = swap_read_page(handle, page[i], &bio);
                        if (error)
                                goto out_finish;
+                }
-                        memcpy(cmp + off, page, PAGE_SIZE);
+                error = hib_wait_on_bio_chain(&bio); /* need all data now */
+                if (error)
+                        goto out_finish;
+                for (off = 0, i = 0;
+                     off < LZO_HEADER + cmp_len; off += PAGE_SIZE, i++) {
+                        memcpy(cmp + off, page[i], PAGE_SIZE);
                }
                unc_len = LZO_UNC_SIZE;
@@ -857,7 +879,8 @@ out_finish:
        vfree(cmp);
        vfree(unc);
-        free_page((unsigned long)page);
+        for (i = 0; i < LZO_CMP_PAGES; i++)
+                free_page((unsigned long)page[i]);
        return error;
 }
diff --git a/kernel/power/user.c b/kernel/power/user.c
index e819e17877ca..1b2ea31e6bd8 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -263,6 +263,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
        case SNAPSHOT_UNFREEZE:
                if (!data->frozen || data->ready)
                        break;
+                pm_restore_gfp_mask();
                thaw_processes();
                usermodehelper_enable();
                data->frozen = 0;
@@ -275,6 +276,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
                        error = -EPERM;
                        break;
                }
+                pm_restore_gfp_mask();
                error = hibernation_snapshot(data->platform_support);
                if (!error)
                        error = put_user(in_suspend, (int __user *)arg);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index c4a3558589ab..85855240933d 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2738,7 +2738,8 @@ out_page_table_lock:
                unlock_page(pagecache_page);
                put_page(pagecache_page);
        }
-        unlock_page(page);
+        if (page != pagecache_page)
+                unlock_page(page);
 out_mutex:
        mutex_unlock(&hugetlb_instantiation_mutex);
diff --git a/mm/ksm.c b/mm/ksm.c
index 65ab5c7067d9..43bc893470b4 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1724,8 +1724,13 @@ static int ksm_memory_callback(struct notifier_block *self,
                /*
                 * Keep it very simple for now: just lock out ksmd and
                 * MADV_UNMERGEABLE while any memory is going offline.
+                 * mutex_lock_nested() is necessary because lockdep was alarmed
+                 * that here we take ksm_thread_mutex inside notifier chain
+                 * mutex, and later take notifier chain mutex inside
+                 * ksm_thread_mutex to unlock it.   But that's safe because both
+                 * are inside mem_hotplug_mutex.
                 */
-                mutex_lock(&ksm_thread_mutex);
+                mutex_lock_nested(&ksm_thread_mutex, SINGLE_DEPTH_NESTING);
                break;
        case MEM_OFFLINE:
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 124324134ff6..46ab2c044b0e 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -51,6 +51,7 @@
 #include <linux/slab.h>
 #include <linux/swapops.h>
 #include <linux/hugetlb.h>
+#include <linux/memory_hotplug.h>
 #include "internal.h"
 int sysctl_memory_failure_early_kill __read_mostly = 0;
@@ -1230,11 +1231,10 @@ static int get_any_page(struct page *p, unsigned long pfn, int flags)
                return 1;
        /*
-         * The lock_system_sleep prevents a race with memory hotplug,
+         * The lock_memory_hotplug prevents a race with memory hotplug.
-         * because the isolation assumes there's only a single user.
         * This is a big hammer, a better would be nicer.
         */
-        lock_system_sleep();
+        lock_memory_hotplug();
        /*
         * Isolate the page, so that it doesn't get reallocated if it
@@ -1264,7 +1264,7 @@ static int get_any_page(struct page *p, unsigned long pfn, int flags)
                ret = 1;
        }
        unset_migratetype_isolate(p);
-        unlock_system_sleep();
+        unlock_memory_hotplug();
        return ret;
 }
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 9260314a221e..2c6523af5473 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -34,6 +34,23 @@
 #include "internal.h"
+DEFINE_MUTEX(mem_hotplug_mutex);
+void lock_memory_hotplug(void)
+{
+        mutex_lock(&mem_hotplug_mutex);
+        /* for exclusive hibernation if CONFIG_HIBERNATION=y */
+        lock_system_sleep();
+}
+void unlock_memory_hotplug(void)
+{
+        unlock_system_sleep();
+        mutex_unlock(&mem_hotplug_mutex);
+}
 /* add this memory to iomem resource */
 static struct resource *register_memory_resource(u64 start, u64 size)
 {
@@ -493,7 +510,7 @@ int mem_online_node(int nid)
        pg_data_t       *pgdat;
        int     ret;
-        lock_system_sleep();
+        lock_memory_hotplug();
        pgdat = hotadd_new_pgdat(nid, 0);
        if (pgdat) {
                ret = -ENOMEM;
@@ -504,7 +521,7 @@ int mem_online_node(int nid)
        BUG_ON(ret);
 out:
-        unlock_system_sleep();
+        unlock_memory_hotplug();
        return ret;
 }
@@ -516,7 +533,7 @@ int __ref add_memory(int nid, u64 start, u64 size)
        struct resource *res;
        int ret;
-        lock_system_sleep();
+        lock_memory_hotplug();
        res = register_memory_resource(start, size);
        ret = -EEXIST;
@@ -563,7 +580,7 @@ error:
                release_memory_resource(res);
 out:
-        unlock_system_sleep();
+        unlock_memory_hotplug();
        return ret;
 }
 EXPORT_SYMBOL_GPL(add_memory);
@@ -791,7 +808,7 @@ static int offline_pages(unsigned long start_pfn,
        if (!test_pages_in_a_zone(start_pfn, end_pfn))
                return -EINVAL;
-        lock_system_sleep();
+        lock_memory_hotplug();
        zone = page_zone(pfn_to_page(start_pfn));
        node = zone_to_nid(zone);
@@ -880,7 +897,7 @@ repeat:
        writeback_set_ratelimit();
        memory_notify(MEM_OFFLINE, &arg);
-        unlock_system_sleep();
+        unlock_memory_hotplug();
        return 0;
 failed_removal:
@@ -891,7 +908,7 @@ failed_removal:
        undo_isolate_page_range(start_pfn, end_pfn);
 out:
-        unlock_system_sleep();
+        unlock_memory_hotplug();
        return ret;
 }
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 4a57f135b76e..11ff260fb282 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1307,15 +1307,18 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode,
                goto out;
        /* Find the mm_struct */
+        rcu_read_lock();
        read_lock(&tasklist_lock);
        task = pid ? find_task_by_vpid(pid) : current;
        if (!task) {
                read_unlock(&tasklist_lock);
+                rcu_read_unlock();
                err = -ESRCH;
                goto out;
        }
        mm = get_task_mm(task);
        read_unlock(&tasklist_lock);
+        rcu_read_unlock();
        err = -EINVAL;
        if (!mm)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index e4092704c1a9..ff7e15872398 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -104,19 +104,24 @@ gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK;
 * only be modified with pm_mutex held, unless the suspend/hibernate code is
 * guaranteed not to run in parallel with that modification).
 */
-void set_gfp_allowed_mask(gfp_t mask)
+static gfp_t saved_gfp_mask;
+void pm_restore_gfp_mask(void)
 {
        WARN_ON(!mutex_is_locked(&pm_mutex));
-        gfp_allowed_mask = mask;
+        if (saved_gfp_mask) {
+                gfp_allowed_mask = saved_gfp_mask;
+                saved_gfp_mask = 0;
+        }
 }
-gfp_t clear_gfp_allowed_mask(gfp_t mask)
+void pm_restrict_gfp_mask(void)
 {
-        gfp_t ret = gfp_allowed_mask;
        WARN_ON(!mutex_is_locked(&pm_mutex));
-        gfp_allowed_mask &= ~mask;
+        WARN_ON(saved_gfp_mask);
-        return ret;
+        saved_gfp_mask = gfp_allowed_mask;
+        gfp_allowed_mask &= ~GFP_IOFS;
 }
 #endif /* CONFIG_PM_SLEEP */
diff --git a/mm/slub.c b/mm/slub.c
index 981fb730aa04..bec0e355fbad 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3401,13 +3401,13 @@ static int validate_slab(struct kmem_cache *s, struct page *page,
        for_each_free_object(p, s, page->freelist) {
                set_bit(slab_index(p, s, addr), map);
-                if (!check_object(s, page, p, 0))
+                if (!check_object(s, page, p, SLUB_RED_INACTIVE))
                        return 0;
        }
        for_each_object(p, s, addr, page->objects)
                if (!test_bit(slab_index(p, s, addr), map))
-                        if (!check_object(s, page, p, 1))
+                        if (!check_object(s, page, p, SLUB_RED_ACTIVE))
                                return 0;
        return 1;
 }
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index a3d66b3dc5cb..eb5cc7d00c5a 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -31,8 +31,6 @@
 #include <asm/tlbflush.h>
 #include <asm/shmparam.h>
-bool vmap_lazy_unmap __read_mostly = true;
 /*** Page table manipulation functions ***/
 static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end)
@@ -503,9 +501,6 @@ static unsigned long lazy_max_pages(void)
 {
        unsigned int log;
-        if (!vmap_lazy_unmap)
-                return 0;
        log = fls(num_online_cpus());
        return log * (32UL * 1024 * 1024 / PAGE_SIZE);
@@ -566,7 +561,6 @@ static void __purge_vmap_area_lazy(unsigned long *start, unsigned long *end,
                        if (va->va_end > *end)
                                *end = va->va_end;
                        nr += (va->va_end - va->va_start) >> PAGE_SHIFT;
-                        unmap_vmap_area(va);
                        list_add_tail(&va->purge_list, &valist);
                        va->flags |= VM_LAZY_FREEING;
                        va->flags &= ~VM_LAZY_FREE;
@@ -611,10 +605,11 @@ static void purge_vmap_area_lazy(void)
 }
 /*
- * Free and unmap a vmap area, caller ensuring flush_cache_vunmap had been
+ * Free a vmap area, caller ensuring that the area has been unmapped
- * called for the correct range previously.
+ * and flush_cache_vunmap had been called for the correct range
+ * previously.
 */
-static void free_unmap_vmap_area_noflush(struct vmap_area *va)
+static void free_vmap_area_noflush(struct vmap_area *va)
 {
        va->flags |= VM_LAZY_FREE;
        atomic_add((va->va_end - va->va_start) >> PAGE_SHIFT, &vmap_lazy_nr);
@@ -623,6 +618,16 @@ static void free_unmap_vmap_area_noflush(struct vmap_area *va)
 }
 /*
+ * Free and unmap a vmap area, caller ensuring flush_cache_vunmap had been
+ * called for the correct range previously.
+ */
+static void free_unmap_vmap_area_noflush(struct vmap_area *va)
+{
+        unmap_vmap_area(va);
+        free_vmap_area_noflush(va);
+}
+/*
 * Free and unmap a vmap area
 */
 static void free_unmap_vmap_area(struct vmap_area *va)
@@ -798,7 +803,7 @@ static void free_vmap_block(struct vmap_block *vb)
        spin_unlock(&vmap_block_tree_lock);
        BUG_ON(tmp != vb);
-        free_unmap_vmap_area_noflush(vb->va);
+        free_vmap_area_noflush(vb->va);
        call_rcu(&vb->rcu_head, rcu_free_vb);
 }
@@ -936,6 +941,8 @@ static void vb_free(const void *addr, unsigned long size)
        rcu_read_unlock();
        BUG_ON(!vb);
+        vunmap_page_range((unsigned long)addr, (unsigned long)addr + size);
        spin_lock(&vb->lock);
        BUG_ON(bitmap_allocate_region(vb->dirty_map, offset >> PAGE_SHIFT, order));
@@ -988,7 +995,6 @@ void vm_unmap_aliases(void)
                                s = vb->va->va_start + (i << PAGE_SHIFT);
                                e = vb->va->va_start + (j << PAGE_SHIFT);
-                                vunmap_page_range(s, e);
                                flush = 1;
                                if (s < start)
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 42eac4d33216..8f62f17ee1c7 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -750,8 +750,6 @@ static const char * const vmstat_text[] = {
        "nr_shmem",
        "nr_dirtied",
        "nr_written",
-        "nr_dirty_threshold",
-        "nr_dirty_background_threshold",
 #ifdef CONFIG_NUMA
        "numa_hit",
@@ -761,6 +759,8 @@ static const char * const vmstat_text[] = {
        "numa_local",
        "numa_other",
 #endif
+        "nr_dirty_threshold",
+        "nr_dirty_background_threshold",
 #ifdef CONFIG_VM_EVENT_COUNTERS
        "pgpgin",
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 4d6f8653ec88..8e8ea9cb7093 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -92,7 +92,7 @@ config MAC80211_MESH
 config MAC80211_LEDS
        bool "Enable LED triggers"
        depends on MAC80211
-        select NEW_LEDS
+        depends on LEDS_CLASS
        select LEDS_TRIGGERS
        ---help---
          This option enables a few LED triggers for different
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 184eb6a0b505..e57826ced380 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -164,6 +164,7 @@ struct menu {
        struct menu *list;
        struct symbol *sym;
        struct property *prompt;
+        struct expr *visibility;
        struct expr *dep;
        unsigned int flags;
        char *help;
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 753cdbd7b805..3f7240df0f3b 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -107,6 +107,7 @@ void menu_end_menu(void);
 void menu_add_entry(struct symbol *sym);
 void menu_end_entry(void);
 void menu_add_dep(struct expr *dep);
+void menu_add_visibility(struct expr *dep);
 struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep);
 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 7e83aef42c6d..b9d9aa18e6d6 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -152,6 +152,12 @@ struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr
        return menu_add_prop(type, prompt, NULL, dep);
 }
+void menu_add_visibility(struct expr *expr)
+{
+        current_entry->visibility = expr_alloc_and(current_entry->visibility,
+            expr);
+}
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
 {
        menu_add_prop(type, NULL, expr, dep);
@@ -410,6 +416,11 @@ bool menu_is_visible(struct menu *menu)
        if (!menu->prompt)
                return false;
+        if (menu->visibility) {
+                if (expr_calc_value(menu->visibility) == no)
+                        return no;
+        }
        sym = menu->sym;
        if (sym) {
                sym_calc_value(sym);
diff --git a/scripts/kconfig/zconf.gperf b/scripts/kconfig/zconf.gperf
index d8bc74249622..c9e690eb7545 100644
--- a/scripts/kconfig/zconf.gperf
+++ b/scripts/kconfig/zconf.gperf
@@ -38,6 +38,7 @@ hex,		T_TYPE,		TF_COMMAND, S_HEX
 string,         T_TYPE,         TF_COMMAND, S_STRING
 select,         T_SELECT,       TF_COMMAND
 range,          T_RANGE,        TF_COMMAND
+visible,        T_VISIBLE,      TF_COMMAND
 option,         T_OPTION,       TF_COMMAND
 on,             T_ON,           TF_PARAM
 modules,        T_OPT_MODULES,  TF_OPTION
diff --git a/scripts/kconfig/zconf.hash.c_shipped b/scripts/kconfig/zconf.hash.c_shipped
index c1748faf4634..4055d5de1750 100644
--- a/scripts/kconfig/zconf.hash.c_shipped
+++ b/scripts/kconfig/zconf.hash.c_shipped
@@ -32,7 +32,7 @@
 struct kconf_id;
 static struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len);
-/* maximum key range = 47, duplicates = 0 */
+/* maximum key range = 50, duplicates = 0 */
 #ifdef __GNUC__
 __inline
@@ -46,32 +46,32 @@ kconf_id_hash (register const char *str, register unsigned int len)
 {
  static unsigned char asso_values[] =
    {
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 11,  5,
+      52, 52, 52, 52, 52, 52, 52, 52, 40,  5,
-       0,  0,  5, 49,  5, 20, 49, 49,  5, 20,
+       0,  0,  5, 52,  0, 20, 52, 52, 10, 20,
-       5,  0, 30, 49,  0, 15,  0, 10,  0, 49,
+       5,  0, 35, 52,  0, 30,  0, 15,  0, 52,
-      25, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      15, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
-      49, 49, 49, 49, 49, 49
+      52, 52, 52, 52, 52, 52
    };
  register int hval = len;
@@ -102,25 +102,26 @@ struct kconf_id_strings_t
    char kconf_id_strings_str12[sizeof("default")];
    char kconf_id_strings_str13[sizeof("def_bool")];
    char kconf_id_strings_str14[sizeof("help")];
-    char kconf_id_strings_str15[sizeof("bool")];
    char kconf_id_strings_str16[sizeof("config")];
    char kconf_id_strings_str17[sizeof("def_tristate")];
-    char kconf_id_strings_str18[sizeof("boolean")];
+    char kconf_id_strings_str18[sizeof("hex")];
    char kconf_id_strings_str19[sizeof("defconfig_list")];
-    char kconf_id_strings_str21[sizeof("string")];
    char kconf_id_strings_str22[sizeof("if")];
    char kconf_id_strings_str23[sizeof("int")];
-    char kconf_id_strings_str26[sizeof("select")];
    char kconf_id_strings_str27[sizeof("modules")];
    char kconf_id_strings_str28[sizeof("tristate")];
    char kconf_id_strings_str29[sizeof("menu")];
-    char kconf_id_strings_str31[sizeof("source")];
    char kconf_id_strings_str32[sizeof("comment")];
-    char kconf_id_strings_str33[sizeof("hex")];
    char kconf_id_strings_str35[sizeof("menuconfig")];
-    char kconf_id_strings_str36[sizeof("prompt")];
+    char kconf_id_strings_str36[sizeof("string")];
-    char kconf_id_strings_str37[sizeof("depends")];
+    char kconf_id_strings_str37[sizeof("visible")];
+    char kconf_id_strings_str41[sizeof("prompt")];
+    char kconf_id_strings_str42[sizeof("depends")];
+    char kconf_id_strings_str44[sizeof("bool")];
+    char kconf_id_strings_str46[sizeof("select")];
+    char kconf_id_strings_str47[sizeof("boolean")];
    char kconf_id_strings_str48[sizeof("mainmenu")];
+    char kconf_id_strings_str51[sizeof("source")];
  };
 static struct kconf_id_strings_t kconf_id_strings_contents =
  {
@@ -136,25 +137,26 @@ static struct kconf_id_strings_t kconf_id_strings_contents =
    "default",
    "def_bool",
    "help",
-    "bool",
    "config",
    "def_tristate",
-    "boolean",
+    "hex",
    "defconfig_list",
-    "string",
    "if",
    "int",
-    "select",
    "modules",
    "tristate",
    "menu",
-    "source",
    "comment",
-    "hex",
    "menuconfig",
+    "string",
+    "visible",
    "prompt",
    "depends",
-    "mainmenu"
+    "bool",
+    "select",
+    "boolean",
+    "mainmenu",
+    "source"
  };
 #define kconf_id_strings ((const char *) &kconf_id_strings_contents)
 #ifdef __GNUC__
@@ -168,11 +170,11 @@ kconf_id_lookup (register const char *str, register unsigned int len)
 {
  enum
    {
-      TOTAL_KEYWORDS = 31,
+      TOTAL_KEYWORDS = 32,
      MIN_WORD_LENGTH = 2,
      MAX_WORD_LENGTH = 14,
      MIN_HASH_VALUE = 2,
-      MAX_HASH_VALUE = 48
+      MAX_HASH_VALUE = 51
    };
  static struct kconf_id wordlist[] =
@@ -191,31 +193,35 @@ kconf_id_lookup (register const char *str, register unsigned int len)
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str12,    T_DEFAULT,      TF_COMMAND, S_UNKNOWN},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str13,    T_DEFAULT,      TF_COMMAND, S_BOOLEAN},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str14,            T_HELP,         TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str15,            T_TYPE,         TF_COMMAND, S_BOOLEAN},
+      {-1},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str16,            T_CONFIG,       TF_COMMAND},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str17,    T_DEFAULT,      TF_COMMAND, S_TRISTATE},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18,    T_TYPE,         TF_COMMAND, S_BOOLEAN},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18,            T_TYPE,         TF_COMMAND, S_HEX},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str19,    T_OPT_DEFCONFIG_LIST,TF_OPTION},
-      {-1},
+      {-1}, {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str21,            T_TYPE,         TF_COMMAND, S_STRING},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str22,            T_IF,           TF_COMMAND|TF_PARAM},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str23,            T_TYPE,         TF_COMMAND, S_INT},
-      {-1}, {-1},
+      {-1}, {-1}, {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str26,            T_SELECT,       TF_COMMAND},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str27,    T_OPT_MODULES,  TF_OPTION},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str28,    T_TYPE,         TF_COMMAND, S_TRISTATE},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str29,            T_MENU,         TF_COMMAND},
-      {-1},
+      {-1}, {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str31,            T_SOURCE,       TF_COMMAND},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str32,    T_COMMENT,      TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str33,            T_TYPE,         TF_COMMAND, S_HEX},
+      {-1}, {-1},
-      {-1},
      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str35,    T_MENUCONFIG,   TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36,            T_PROMPT,       TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36,            T_TYPE,         TF_COMMAND, S_STRING},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37,    T_DEPENDS,      TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37,    T_VISIBLE,      TF_COMMAND},
-      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str41,            T_PROMPT,       TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str42,    T_DEPENDS,      TF_COMMAND},
      {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str48,    T_MAINMENU,     TF_COMMAND}
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str44,            T_TYPE,         TF_COMMAND, S_BOOLEAN},
+      {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str46,            T_SELECT,       TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str47,    T_TYPE,         TF_COMMAND, S_BOOLEAN},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str48,    T_MAINMENU,     TF_COMMAND},
+      {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str51,            T_SOURCE,       TF_COMMAND}
    };
  if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
diff --git a/scripts/kconfig/zconf.tab.c_shipped b/scripts/kconfig/zconf.tab.c_shipped
index 699d4b265186..4c5495ea205e 100644
--- a/scripts/kconfig/zconf.tab.c_shipped
+++ b/scripts/kconfig/zconf.tab.c_shipped
@@ -160,18 +160,19 @@ static struct menu *current_menu, *current_entry;
     T_DEFAULT = 275,
     T_SELECT = 276,
     T_RANGE = 277,
-     T_OPTION = 278,
+     T_VISIBLE = 278,
-     T_ON = 279,
+     T_OPTION = 279,
-     T_WORD = 280,
+     T_ON = 280,
-     T_WORD_QUOTE = 281,
+     T_WORD = 281,
-     T_UNEQUAL = 282,
+     T_WORD_QUOTE = 282,
-     T_CLOSE_PAREN = 283,
+     T_UNEQUAL = 283,
-     T_OPEN_PAREN = 284,
+     T_CLOSE_PAREN = 284,
-     T_EOL = 285,
+     T_OPEN_PAREN = 285,
-     T_OR = 286,
+     T_EOL = 286,
-     T_AND = 287,
+     T_OR = 287,
-     T_EQUAL = 288,
+     T_AND = 288,
-     T_NOT = 289
+     T_EQUAL = 289,
+     T_NOT = 290
   };
 #endif
@@ -419,20 +420,20 @@ union yyalloc
 /* YYFINAL -- State number of the termination state.  */
 #define YYFINAL  11
 /* YYLAST -- Last index in YYTABLE.  */
-#define YYLAST   277
+#define YYLAST   290
 /* YYNTOKENS -- Number of terminals.  */
-#define YYNTOKENS  35
+#define YYNTOKENS  36
 /* YYNNTS -- Number of nonterminals.  */
-#define YYNNTS  48
+#define YYNNTS  50
 /* YYNRULES -- Number of rules.  */
-#define YYNRULES  113
+#define YYNRULES  118
 /* YYNRULES -- Number of states.  */
-#define YYNSTATES  185
+#define YYNSTATES  191
 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
 #define YYUNDEFTOK  2
-#define YYMAXUTOK   289
+#define YYMAXUTOK   290
 #define YYTRANSLATE(YYX)                                                \
  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
@@ -468,7 +469,8 @@ static const yytype_uint8 yytranslate[] =
       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
       5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
      15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
-      25,    26,    27,    28,    29,    30,    31,    32,    33,    34
+      25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
+      35
 };
 #if YYDEBUG
@@ -478,72 +480,73 @@ static const yytype_uint16 yyprhs[] =
 {
       0,     0,     3,     6,     8,    11,    13,    14,    17,    20,
      23,    26,    31,    36,    40,    42,    44,    46,    48,    50,
-      52,    54,    56,    58,    60,    62,    64,    66,    70,    73,
+      52,    54,    56,    58,    60,    62,    64,    66,    68,    72,
-      77,    80,    84,    87,    88,    91,    94,    97,   100,   103,
+      75,    79,    82,    86,    89,    90,    93,    96,    99,   102,
-     106,   110,   115,   120,   125,   131,   135,   136,   140,   141,
+     105,   108,   112,   117,   122,   127,   133,   137,   138,   142,
-     144,   148,   151,   153,   157,   158,   161,   164,   167,   170,
+     143,   146,   150,   153,   155,   159,   160,   163,   166,   169,
-     173,   178,   182,   185,   190,   191,   194,   198,   200,   204,
+     172,   175,   180,   184,   187,   192,   193,   196,   200,   202,
-     205,   208,   211,   214,   218,   222,   225,   227,   231,   232,
+     206,   207,   210,   213,   216,   220,   224,   228,   230,   234,
-     235,   238,   241,   245,   249,   252,   255,   258,   259,   262,
+     235,   238,   241,   244,   248,   252,   255,   258,   261,   262,
-     265,   268,   273,   274,   277,   279,   281,   284,   287,   290,
+     265,   268,   271,   276,   277,   280,   283,   286,   287,   290,
-     292,   295,   296,   299,   301,   305,   309,   313,   316,   320,
+     292,   294,   297,   300,   303,   305,   308,   309,   312,   314,
-     324,   326,   328,   329
+     318,   322,   326,   329,   333,   337,   339,   341,   342
 };
 /* YYRHS -- A `-1'-separated list of the rules' RHS.  */
 static const yytype_int8 yyrhs[] =
 {
-      36,     0,    -1,    78,    37,    -1,    37,    -1,    62,    38,
+      37,     0,    -1,    81,    38,    -1,    38,    -1,    63,    39,
-      -1,    38,    -1,    -1,    38,    40,    -1,    38,    54,    -1,
+      -1,    39,    -1,    -1,    39,    41,    -1,    39,    55,    -1,
-      38,    66,    -1,    38,    77,    -1,    38,    25,     1,    30,
+      39,    67,    -1,    39,    80,    -1,    39,    26,     1,    31,
-      -1,    38,    39,     1,    30,    -1,    38,     1,    30,    -1,
+      -1,    39,    40,     1,    31,    -1,    39,     1,    31,    -1,
      16,    -1,    18,    -1,    19,    -1,    21,    -1,    17,    -1,
-      22,    -1,    20,    -1,    30,    -1,    60,    -1,    70,    -1,
+      22,    -1,    20,    -1,    23,    -1,    31,    -1,    61,    -1,
-      43,    -1,    45,    -1,    68,    -1,    25,     1,    30,    -1,
+      71,    -1,    44,    -1,    46,    -1,    69,    -1,    26,     1,
-       1,    30,    -1,    10,    25,    30,    -1,    42,    46,    -1,
+      31,    -1,     1,    31,    -1,    10,    26,    31,    -1,    43,
-      11,    25,    30,    -1,    44,    46,    -1,    -1,    46,    47,
+      47,    -1,    11,    26,    31,    -1,    45,    47,    -1,    -1,
-      -1,    46,    48,    -1,    46,    74,    -1,    46,    72,    -1,
+      47,    48,    -1,    47,    49,    -1,    47,    75,    -1,    47,
-      46,    41,    -1,    46,    30,    -1,    19,    75,    30,    -1,
+      73,    -1,    47,    42,    -1,    47,    31,    -1,    19,    78,
-      18,    76,    79,    30,    -1,    20,    80,    79,    30,    -1,
+      31,    -1,    18,    79,    82,    31,    -1,    20,    83,    82,
-      21,    25,    79,    30,    -1,    22,    81,    81,    79,    30,
+      31,    -1,    21,    26,    82,    31,    -1,    22,    84,    84,
-      -1,    23,    49,    30,    -1,    -1,    49,    25,    50,    -1,
+      82,    31,    -1,    24,    50,    31,    -1,    -1,    50,    26,
-      -1,    33,    76,    -1,     7,    82,    30,    -1,    51,    55,
+      51,    -1,    -1,    34,    79,    -1,     7,    85,    31,    -1,
-      -1,    77,    -1,    52,    57,    53,    -1,    -1,    55,    56,
+      52,    56,    -1,    80,    -1,    53,    58,    54,    -1,    -1,
-      -1,    55,    74,    -1,    55,    72,    -1,    55,    30,    -1,
+      56,    57,    -1,    56,    75,    -1,    56,    73,    -1,    56,
-      55,    41,    -1,    18,    76,    79,    30,    -1,    19,    75,
+      31,    -1,    56,    42,    -1,    18,    79,    82,    31,    -1,
-      30,    -1,    17,    30,    -1,    20,    25,    79,    30,    -1,
+      19,    78,    31,    -1,    17,    31,    -1,    20,    26,    82,
-      -1,    57,    40,    -1,    14,    80,    78,    -1,    77,    -1,
+      31,    -1,    -1,    58,    41,    -1,    14,    83,    81,    -1,
-      58,    61,    59,    -1,    -1,    61,    40,    -1,    61,    66,
+      80,    -1,    59,    62,    60,    -1,    -1,    62,    41,    -1,
-      -1,    61,    54,    -1,     3,    76,    78,    -1,     4,    76,
+      62,    67,    -1,    62,    55,    -1,     3,    79,    81,    -1,
-      30,    -1,    63,    73,    -1,    77,    -1,    64,    67,    65,
+       4,    79,    31,    -1,    64,    76,    74,    -1,    80,    -1,
-      -1,    -1,    67,    40,    -1,    67,    66,    -1,    67,    54,
+      65,    68,    66,    -1,    -1,    68,    41,    -1,    68,    67,
-      -1,     6,    76,    30,    -1,     9,    76,    30,    -1,    69,
+      -1,    68,    55,    -1,     6,    79,    31,    -1,     9,    79,
-      73,    -1,    12,    30,    -1,    71,    13,    -1,    -1,    73,
+      31,    -1,    70,    74,    -1,    12,    31,    -1,    72,    13,
-      74,    -1,    73,    30,    -1,    73,    41,    -1,    16,    24,
+      -1,    -1,    74,    75,    -1,    74,    31,    -1,    74,    42,
-      80,    30,    -1,    -1,    76,    79,    -1,    25,    -1,    26,
+      -1,    16,    25,    83,    31,    -1,    -1,    76,    77,    -1,
-      -1,     5,    30,    -1,     8,    30,    -1,    15,    30,    -1,
+      76,    31,    -1,    23,    82,    -1,    -1,    79,    82,    -1,
-      30,    -1,    78,    30,    -1,    -1,    14,    80,    -1,    81,
+      26,    -1,    27,    -1,     5,    31,    -1,     8,    31,    -1,
-      -1,    81,    33,    81,    -1,    81,    27,    81,    -1,    29,
+      15,    31,    -1,    31,    -1,    81,    31,    -1,    -1,    14,
-      80,    28,    -1,    34,    80,    -1,    80,    31,    80,    -1,
+      83,    -1,    84,    -1,    84,    34,    84,    -1,    84,    28,
-      80,    32,    80,    -1,    25,    -1,    26,    -1,    -1,    25,
+      84,    -1,    30,    83,    29,    -1,    35,    83,    -1,    83,
-      -1
+      32,    83,    -1,    83,    33,    83,    -1,    26,    -1,    27,
+      -1,    -1,    26,    -1
 };
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,   107,   107,   107,   109,   109,   111,   113,   114,   115,
+       0,   108,   108,   108,   110,   110,   112,   114,   115,   116,
-     116,   117,   118,   122,   126,   126,   126,   126,   126,   126,
+     117,   118,   119,   123,   127,   127,   127,   127,   127,   127,
-     126,   130,   131,   132,   133,   134,   135,   139,   140,   146,
+     127,   127,   131,   132,   133,   134,   135,   136,   140,   141,
-     154,   160,   168,   178,   180,   181,   182,   183,   184,   185,
+     147,   155,   161,   169,   179,   181,   182,   183,   184,   185,
-     188,   196,   202,   212,   218,   224,   227,   229,   240,   241,
+     186,   189,   197,   203,   213,   219,   225,   228,   230,   241,
-     246,   255,   260,   268,   271,   273,   274,   275,   276,   277,
+     242,   247,   256,   261,   269,   272,   274,   275,   276,   277,
-     280,   286,   297,   303,   313,   315,   320,   328,   336,   339,
+     278,   281,   287,   298,   304,   314,   316,   321,   329,   337,
-     341,   342,   343,   348,   355,   362,   367,   375,   378,   380,
+     340,   342,   343,   344,   349,   356,   363,   368,   376,   379,
-     381,   382,   385,   393,   400,   407,   413,   420,   422,   423,
+     381,   382,   383,   386,   394,   401,   408,   414,   421,   423,
-     424,   427,   435,   437,   442,   443,   446,   447,   448,   452,
+     424,   425,   428,   436,   438,   439,   442,   449,   451,   456,
-     453,   456,   457,   460,   461,   462,   463,   464,   465,   466,
+     457,   460,   461,   462,   466,   467,   470,   471,   474,   475,
-     469,   470,   473,   474
+     476,   477,   478,   479,   480,   483,   484,   487,   488
 };
 #endif
@@ -556,7 +559,7 @@ static const char *const yytname[] =
  "T_SOURCE", "T_CHOICE", "T_ENDCHOICE", "T_COMMENT", "T_CONFIG",
  "T_MENUCONFIG", "T_HELP", "T_HELPTEXT", "T_IF", "T_ENDIF", "T_DEPENDS",
  "T_OPTIONAL", "T_PROMPT", "T_TYPE", "T_DEFAULT", "T_SELECT", "T_RANGE",
-  "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
+  "T_VISIBLE", "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
  "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_EOL", "T_OR", "T_AND", "T_EQUAL",
  "T_NOT", "$accept", "input", "start", "stmt_list", "option_name",
  "common_stmt", "option_error", "config_entry_start", "config_stmt",
@@ -567,8 +570,8 @@ static const char *const yytname[] =
  "if_entry", "if_end", "if_stmt", "if_block", "mainmenu_stmt", "menu",
  "menu_entry", "menu_end", "menu_stmt", "menu_block", "source_stmt",
  "comment", "comment_stmt", "help_start", "help", "depends_list",
-  "depends", "prompt_stmt_opt", "prompt", "end", "nl", "if_expr", "expr",
+  "depends", "visibility_list", "visible", "prompt_stmt_opt", "prompt",
-  "symbol", "word_opt", 0
+  "end", "nl", "if_expr", "expr", "symbol", "word_opt", 0
 };
 #endif
@@ -580,25 +583,25 @@ static const yytype_uint16 yytoknum[] =
       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
     275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
-     285,   286,   287,   288,   289
+     285,   286,   287,   288,   289,   290
 };
 # endif
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const yytype_uint8 yyr1[] =
 {
-       0,    35,    36,    36,    37,    37,    38,    38,    38,    38,
+       0,    36,    37,    37,    38,    38,    39,    39,    39,    39,
-      38,    38,    38,    38,    39,    39,    39,    39,    39,    39,
+      39,    39,    39,    39,    40,    40,    40,    40,    40,    40,
-      39,    40,    40,    40,    40,    40,    40,    41,    41,    42,
+      40,    40,    41,    41,    41,    41,    41,    41,    42,    42,
-      43,    44,    45,    46,    46,    46,    46,    46,    46,    46,
+      43,    44,    45,    46,    47,    47,    47,    47,    47,    47,
-      47,    47,    47,    47,    47,    48,    49,    49,    50,    50,
+      47,    48,    48,    48,    48,    48,    49,    50,    50,    51,
-      51,    52,    53,    54,    55,    55,    55,    55,    55,    55,
+      51,    52,    53,    54,    55,    56,    56,    56,    56,    56,
-      56,    56,    56,    56,    57,    57,    58,    59,    60,    61,
+      56,    57,    57,    57,    57,    58,    58,    59,    60,    61,
-      61,    61,    61,    62,    63,    64,    65,    66,    67,    67,
+      62,    62,    62,    62,    63,    64,    65,    66,    67,    68,
-      67,    67,    68,    69,    70,    71,    72,    73,    73,    73,
+      68,    68,    68,    69,    70,    71,    72,    73,    74,    74,
-      73,    74,    75,    75,    76,    76,    77,    77,    77,    78,
+      74,    74,    75,    76,    76,    76,    77,    78,    78,    79,
-      78,    79,    79,    80,    80,    80,    80,    80,    80,    80,
+      79,    80,    80,    80,    81,    81,    82,    82,    83,    83,
-      81,    81,    82,    82
+      83,    83,    83,    83,    83,    84,    84,    85,    85
 };
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
@@ -606,16 +609,16 @@ static const yytype_uint8 yyr2[] =
 {
       0,     2,     2,     1,     2,     1,     0,     2,     2,     2,
       2,     4,     4,     3,     1,     1,     1,     1,     1,     1,
-       1,     1,     1,     1,     1,     1,     1,     3,     2,     3,
+       1,     1,     1,     1,     1,     1,     1,     1,     3,     2,
-       2,     3,     2,     0,     2,     2,     2,     2,     2,     2,
+       3,     2,     3,     2,     0,     2,     2,     2,     2,     2,
-       3,     4,     4,     4,     5,     3,     0,     3,     0,     2,
+       2,     3,     4,     4,     4,     5,     3,     0,     3,     0,
-       3,     2,     1,     3,     0,     2,     2,     2,     2,     2,
+       2,     3,     2,     1,     3,     0,     2,     2,     2,     2,
-       4,     3,     2,     4,     0,     2,     3,     1,     3,     0,
+       2,     4,     3,     2,     4,     0,     2,     3,     1,     3,
-       2,     2,     2,     3,     3,     2,     1,     3,     0,     2,
+       0,     2,     2,     2,     3,     3,     3,     1,     3,     0,
-       2,     2,     3,     3,     2,     2,     2,     0,     2,     2,
+       2,     2,     2,     3,     3,     2,     2,     2,     0,     2,
-       2,     4,     0,     2,     1,     1,     2,     2,     2,     1,
+       2,     2,     4,     0,     2,     2,     2,     0,     2,     1,
-       2,     0,     2,     1,     3,     3,     3,     2,     3,     3,
+       1,     2,     2,     2,     1,     2,     0,     2,     1,     3,
-       1,     1,     0,     1
+       3,     3,     2,     3,     3,     1,     1,     0,     1
 };
 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
@@ -623,165 +626,172 @@ static const yytype_uint8 yyr2[] =
   means the default is an error.  */
 static const yytype_uint8 yydefact[] =
 {
-       6,     0,    99,     0,     3,     0,     6,     6,    94,    95,
+       6,     0,   104,     0,     3,     0,     6,     6,    99,   100,
-       0,     1,     0,     0,     0,     0,   112,     0,     0,     0,
+       0,     1,     0,     0,     0,     0,   117,     0,     0,     0,
       0,     0,     0,    14,    18,    15,    16,    20,    17,    19,
-       0,    21,     0,     7,    33,    24,    33,    25,    54,    64,
+      21,     0,    22,     0,     7,    34,    25,    34,    26,    55,
-       8,    69,    22,    87,    78,     9,    26,    87,    23,    10,
+      65,     8,    70,    23,    93,    79,     9,    27,    88,    24,
-       0,   100,     2,    73,    13,     0,    96,     0,   113,     0,
+      10,     0,   105,     2,    74,    13,     0,   101,     0,   118,
-      97,     0,     0,     0,   110,   111,     0,     0,     0,   103,
+       0,   102,     0,     0,     0,   115,   116,     0,     0,     0,
-      98,     0,     0,     0,     0,     0,     0,     0,     0,     0,
+     108,   103,     0,     0,     0,     0,     0,     0,     0,    88,
-       0,    74,    82,    50,    83,    29,    31,     0,   107,     0,
+       0,     0,    75,    83,    51,    84,    30,    32,     0,   112,
-       0,    66,     0,     0,    11,    12,     0,     0,     0,     0,
+       0,     0,    67,     0,     0,    11,    12,     0,     0,     0,
-      92,     0,     0,     0,    46,     0,    39,    38,    34,    35,
+       0,    97,     0,     0,     0,    47,     0,    40,    39,    35,
-       0,    37,    36,     0,     0,    92,     0,    58,    59,    55,
+      36,     0,    38,    37,     0,     0,    97,     0,    59,    60,
-      57,    56,    65,    53,    52,    70,    72,    68,    71,    67,
+      56,    58,    57,    66,    54,    53,    71,    73,    69,    72,
-      89,    90,    88,    79,    81,    77,    80,    76,   106,   108,
+      68,   106,    95,     0,    94,    80,    82,    78,    81,    77,
-     109,   105,   104,    28,    85,     0,   101,     0,   101,   101,
+      90,    91,    89,   111,   113,   114,   110,   109,    29,    86,
-     101,     0,     0,     0,    86,    62,   101,     0,   101,     0,
+       0,   106,     0,   106,   106,   106,     0,     0,     0,    87,
-       0,     0,    40,    93,     0,     0,   101,    48,    45,    27,
+      63,   106,     0,   106,     0,    96,     0,     0,    41,    98,
-       0,    61,     0,    91,   102,    41,    42,    43,     0,     0,
+       0,     0,   106,    49,    46,    28,     0,    62,     0,   107,
-      47,    60,    63,    44,    49
+      92,    42,    43,    44,     0,     0,    48,    61,    64,    45,
+      50
 };
 /* YYDEFGOTO[NTERM-NUM].  */
 static const yytype_int16 yydefgoto[] =
 {
-      -1,     3,     4,     5,    32,    33,   107,    34,    35,    36,
+      -1,     3,     4,     5,    33,    34,   108,    35,    36,    37,
-      37,    73,   108,   109,   152,   180,    38,    39,   123,    40,
+      38,    74,   109,   110,   157,   186,    39,    40,   124,    41,
-      75,   119,    76,    41,   127,    42,    77,     6,    43,    44,
+      76,   120,    77,    42,   128,    43,    78,     6,    44,    45,
-     135,    45,    79,    46,    47,    48,   110,   111,    78,   112,
+     137,    46,    80,    47,    48,    49,   111,   112,    81,   113,
-     147,   148,    49,     7,   161,    68,    69,    59
+      79,   134,   152,   153,    50,     7,   165,    69,    70,    60
 };
 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
   STATE-NUM.  */
-#define YYPACT_NINF -89
+#define YYPACT_NINF -90
 static const yytype_int16 yypact[] =
 {
-       3,     4,   -89,    20,   -89,   100,   -89,     7,   -89,   -89,
+       4,    42,   -90,    96,   -90,   111,   -90,    15,   -90,   -90,
-      -8,   -89,    17,     4,    28,     4,    37,    36,     4,    68,
+      75,   -90,    82,    42,   104,    42,   110,   107,    42,   115,
-      87,   -18,    69,   -89,   -89,   -89,   -89,   -89,   -89,   -89,
+     125,    -4,   121,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
-     128,   -89,   138,   -89,   -89,   -89,   -89,   -89,   -89,   -89,
+     -90,   162,   -90,   163,   -90,   -90,   -90,   -90,   -90,   -90,
-     -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
-     127,   -89,   -89,   110,   -89,   126,   -89,   136,   -89,   137,
+     -90,   139,   -90,   -90,   138,   -90,   142,   -90,   143,   -90,
-     -89,   147,   150,   152,   -89,   -89,   -18,   -18,   171,   -14,
+     152,   -90,   164,   167,   168,   -90,   -90,    -4,    -4,    77,
-     -89,   153,   157,    34,    67,   180,   233,   220,   207,   220,
+     -18,   -90,   177,   185,    33,    71,   195,   247,   236,    -2,
-     154,   -89,   -89,   -89,   -89,   -89,   -89,     0,   -89,   -18,
+     236,   171,   -90,   -90,   -90,   -90,   -90,   -90,    41,   -90,
-     -18,   110,    44,    44,   -89,   -89,   163,   174,   182,     4,
+      -4,    -4,   138,    97,    97,   -90,   -90,   186,   187,   194,
-       4,   -18,   194,    44,   -89,   219,   -89,   -89,   -89,   -89,
+      42,    42,    -4,   196,    97,   -90,   219,   -90,   -90,   -90,
-     223,   -89,   -89,   203,     4,     4,   215,   -89,   -89,   -89,
+     -90,   210,   -90,   -90,   204,    42,    42,   199,   -90,   -90,
-     -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
-     -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,   213,
+     -90,   222,   -90,   223,   -90,   -90,   -90,   -90,   -90,   -90,
-     -89,   -89,   -89,   -89,   -89,   -18,   232,   227,   232,    -5,
+     -90,   -90,   -90,   -90,   215,   -90,   -90,   -90,   -90,   -90,
-     232,    44,    35,   234,   -89,   -89,   232,   235,   232,   224,
+      -4,   222,   228,   222,    -5,   222,    97,    35,   229,   -90,
-     -18,   236,   -89,   -89,   237,   238,   232,   216,   -89,   -89,
+     -90,   222,   232,   222,    -4,   -90,   135,   233,   -90,   -90,
-     240,   -89,   241,   -89,    71,   -89,   -89,   -89,   242,     4,
+     234,   235,   222,   240,   -90,   -90,   237,   -90,   239,   -13,
-     -89,   -89,   -89,   -89,   -89
+     -90,   -90,   -90,   -90,   244,    42,   -90,   -90,   -90,   -90,
+     -90
 };
 /* YYPGOTO[NTERM-NUM].  */
 static const yytype_int16 yypgoto[] =
 {
-     -89,   -89,   255,   267,   -89,    47,   -57,   -89,   -89,   -89,
+     -90,   -90,   269,   271,   -90,    23,   -70,   -90,   -90,   -90,
-     -89,   239,   -89,   -89,   -89,   -89,   -89,   -89,   -89,   130,
+     -90,   243,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -48,
-     -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,   -89,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
-     -89,   181,   -89,   -89,   -89,   -89,   -89,   199,   229,    16,
+     -90,   -20,   -90,   -90,   -90,   -90,   -90,   206,   205,   -68,
-     162,    -1,    74,    -7,   103,   -65,   -88,   -89
+     -90,   -90,   169,    -1,    27,    -7,   118,   -66,   -89,   -90
 };
 /* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
   positive, shift that token.  If negative, reduce the rule which
   number is the opposite.  If zero, do what YYDEFACT says.
   If YYTABLE_NINF, syntax error.  */
-#define YYTABLE_NINF -85
+#define YYTABLE_NINF -86
 static const yytype_int16 yytable[] =
 {
-      10,    87,    88,    53,   141,   142,     1,    64,    65,   160,
+      10,    88,    89,    54,   146,   147,   119,     1,   122,   164,
-       1,    66,    55,    92,    57,   151,    67,    61,   118,    93,
+      93,   141,    56,   142,    58,   156,    94,    62,     1,    90,
-      11,   131,     2,   131,   139,   140,    89,    90,   138,     8,
+      91,   131,    65,    66,   144,   145,    67,    90,    91,   132,
-       9,    89,    90,     2,   -30,    96,   149,    51,   -30,   -30,
+     127,    68,   136,   -31,    97,     2,   154,   -31,   -31,   -31,
-     -30,   -30,   -30,   -30,   -30,   -30,    97,    54,   -30,   -30,
+     -31,   -31,   -31,   -31,   -31,    98,    52,   -31,   -31,    99,
-      98,   -30,    99,   100,   101,   102,   103,   104,    56,   105,
+     -31,   100,   101,   102,   103,   104,   -31,   105,   129,   106,
-     167,    91,    58,   166,   106,   168,    60,   -32,    96,    64,
+     138,   173,    92,   141,   107,   142,   174,   172,     8,     9,
-      65,   -32,   -32,   -32,   -32,   -32,   -32,   -32,   -32,    97,
+     143,   -33,    97,    90,    91,   -33,   -33,   -33,   -33,   -33,
-     159,   -32,   -32,    98,   -32,    99,   100,   101,   102,   103,
+     -33,   -33,   -33,    98,   166,   -33,   -33,    99,   -33,   100,
-     104,   121,   105,    62,   132,   174,   132,   106,   146,    70,
+     101,   102,   103,   104,   -33,   105,    11,   106,   179,   151,
-      -5,    12,    89,    90,    13,    14,    15,    16,    17,    18,
+     123,   126,   107,   135,   125,   130,     2,   139,     2,    90,
-      19,    20,    63,   156,    21,    22,    23,    24,    25,    26,
+      91,    -5,    12,    55,   161,    13,    14,    15,    16,    17,
-      27,    28,    29,   122,   125,    30,   133,    -4,    12,    71,
+      18,    19,    20,    65,    66,    21,    22,    23,    24,    25,
-      31,    13,    14,    15,    16,    17,    18,    19,    20,    72,
+      26,    27,    28,    29,    30,    57,    59,    31,    61,    -4,
-      51,    21,    22,    23,    24,    25,    26,    27,    28,    29,
+      12,    63,    32,    13,    14,    15,    16,    17,    18,    19,
-     124,   129,    30,   137,   -84,    96,    81,    31,   -84,   -84,
+      20,    64,    71,    21,    22,    23,    24,    25,    26,    27,
-     -84,   -84,   -84,   -84,   -84,   -84,    82,    83,   -84,   -84,
+      28,    29,    30,    72,    73,    31,   180,    90,    91,    52,
-      98,   -84,   -84,   -84,   -84,   -84,   -84,    84,   184,   105,
+      32,   -85,    97,    82,    83,   -85,   -85,   -85,   -85,   -85,
-      85,    96,    86,    94,   130,   -51,   -51,    95,   -51,   -51,
+     -85,   -85,   -85,    84,   190,   -85,   -85,    99,   -85,   -85,
-     -51,   -51,    97,   143,   -51,   -51,    98,   113,   114,   115,
+     -85,   -85,   -85,   -85,   -85,    85,    97,   106,    86,    87,
-     116,     2,    89,    90,   144,   105,   145,   126,    96,   134,
+     -52,   -52,   140,   -52,   -52,   -52,   -52,    98,    95,   -52,
-     117,   -75,   -75,   -75,   -75,   -75,   -75,   -75,   -75,   150,
+     -52,    99,   114,   115,   116,   117,    96,   148,   149,   150,
-     153,   -75,   -75,    98,    13,    14,    15,    16,    17,    18,
+     158,   106,   155,   159,    97,   163,   118,   -76,   -76,   -76,
-      19,    20,   105,   155,    21,    22,   154,   130,    14,    15,
+     -76,   -76,   -76,   -76,   -76,   160,   164,   -76,   -76,    99,
-     158,    17,    18,    19,    20,    90,   160,    21,    22,   179,
+      13,    14,    15,    16,    17,    18,    19,    20,    91,   106,
-      31,   163,   164,   165,   173,    89,    90,   162,   128,   170,
+      21,    22,    14,    15,   140,    17,    18,    19,    20,   168,
-     136,   172,    52,    31,   169,   171,   175,   176,   177,   178,
+     175,    21,    22,   177,   181,   182,   183,    32,   187,   167,
-     181,   182,   183,    50,   120,    74,    80,   157
+     188,   169,   170,   171,   185,   189,    53,    51,    32,   176,
+      75,   178,   121,     0,   133,   162,     0,     0,     0,     0,
+     184
 };
-static const yytype_uint8 yycheck[] =
+static const yytype_int16 yycheck[] =
 {
-       1,    66,    67,    10,    92,    93,     3,    25,    26,    14,
+       1,    67,    68,    10,    93,    94,    76,     3,    76,    14,
-       3,    29,    13,    27,    15,   103,    34,    18,    75,    33,
+      28,    81,    13,    81,    15,   104,    34,    18,     3,    32,
-       0,    78,    30,    80,    89,    90,    31,    32,    28,    25,
+      33,    23,    26,    27,    90,    91,    30,    32,    33,    31,
-      26,    31,    32,    30,     0,     1,   101,    30,     4,     5,
+      78,    35,    80,     0,     1,    31,   102,     4,     5,     6,
-       6,     7,     8,     9,    10,    11,    12,    30,    14,    15,
+       7,     8,     9,    10,    11,    12,    31,    14,    15,    16,
-      16,    17,    18,    19,    20,    21,    22,    23,    30,    25,
+      17,    18,    19,    20,    21,    22,    23,    24,    78,    26,
-      25,    68,    25,   151,    30,    30,    30,     0,     1,    25,
+      80,    26,    69,   133,    31,   133,    31,   156,    26,    27,
-      26,     4,     5,     6,     7,     8,     9,    10,    11,    12,
+      29,     0,     1,    32,    33,     4,     5,     6,     7,     8,
-     145,    14,    15,    16,    17,    18,    19,    20,    21,    22,
+       9,    10,    11,    12,   150,    14,    15,    16,    17,    18,
-      23,    75,    25,    25,    78,   160,    80,    30,    99,    30,
+      19,    20,    21,    22,    23,    24,     0,    26,   164,   100,
-       0,     1,    31,    32,     4,     5,     6,     7,     8,     9,
+      77,    78,    31,    80,    77,    78,    31,    80,    31,    32,
-      10,    11,    25,   114,    14,    15,    16,    17,    18,    19,
+      33,     0,     1,    31,   115,     4,     5,     6,     7,     8,
-      20,    21,    22,    76,    77,    25,    79,     0,     1,     1,
+       9,    10,    11,    26,    27,    14,    15,    16,    17,    18,
-      30,     4,     5,     6,     7,     8,     9,    10,    11,     1,
+      19,    20,    21,    22,    23,    31,    26,    26,    31,     0,
-      30,    14,    15,    16,    17,    18,    19,    20,    21,    22,
+       1,    26,    31,     4,     5,     6,     7,     8,     9,    10,
-      76,    77,    25,    79,     0,     1,    30,    30,     4,     5,
+      11,    26,    31,    14,    15,    16,    17,    18,    19,    20,
-       6,     7,     8,     9,    10,    11,    30,    30,    14,    15,
+      21,    22,    23,     1,     1,    26,    31,    32,    33,    31,
-      16,    17,    18,    19,    20,    21,    22,    30,   179,    25,
+      31,     0,     1,    31,    31,     4,     5,     6,     7,     8,
-      30,     1,    30,    30,    30,     5,     6,    30,     8,     9,
+       9,    10,    11,    31,   185,    14,    15,    16,    17,    18,
-      10,    11,    12,    30,    14,    15,    16,    17,    18,    19,
+      19,    20,    21,    22,    23,    31,     1,    26,    31,    31,
-      20,    30,    31,    32,    30,    25,    24,    77,     1,    79,
+       5,     6,    31,     8,     9,    10,    11,    12,    31,    14,
-      30,     4,     5,     6,     7,     8,     9,    10,    11,    25,
+      15,    16,    17,    18,    19,    20,    31,    31,    31,    25,
-       1,    14,    15,    16,     4,     5,     6,     7,     8,     9,
+       1,    26,    26,    13,     1,    26,    31,     4,     5,     6,
-      10,    11,    25,    30,    14,    15,    13,    30,     5,     6,
+       7,     8,     9,    10,    11,    31,    14,    14,    15,    16,
-      25,     8,     9,    10,    11,    32,    14,    14,    15,    33,
+       4,     5,     6,     7,     8,     9,    10,    11,    33,    26,
-      30,   148,   149,   150,    30,    31,    32,    30,    77,   156,
+      14,    15,     5,     6,    31,     8,     9,    10,    11,    31,
-      79,   158,     7,    30,    30,    30,    30,    30,    30,   166,
+      31,    14,    15,    31,    31,    31,    31,    31,    31,   151,
-      30,    30,    30,     6,    75,    36,    47,   115
+      31,   153,   154,   155,    34,    31,     7,     6,    31,   161,
+      37,   163,    76,    -1,    79,   116,    -1,    -1,    -1,    -1,
+     172
 };
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
   symbol of state STATE-NUM.  */
 static const yytype_uint8 yystos[] =
 {
-       0,     3,    30,    36,    37,    38,    62,    78,    25,    26,
+       0,     3,    31,    37,    38,    39,    63,    81,    26,    27,
-      76,     0,     1,     4,     5,     6,     7,     8,     9,    10,
+      79,     0,     1,     4,     5,     6,     7,     8,     9,    10,
      11,    14,    15,    16,    17,    18,    19,    20,    21,    22,
-      25,    30,    39,    40,    42,    43,    44,    45,    51,    52,
+      23,    26,    31,    40,    41,    43,    44,    45,    46,    52,
-      54,    58,    60,    63,    64,    66,    68,    69,    70,    77,
+      53,    55,    59,    61,    64,    65,    67,    69,    70,    71,
-      38,    30,    37,    78,    30,    76,    30,    76,    25,    82,
+      80,    39,    31,    38,    81,    31,    79,    31,    79,    26,
-      30,    76,    25,    25,    25,    26,    29,    34,    80,    81,
+      85,    31,    79,    26,    26,    26,    27,    30,    35,    83,
-      30,     1,     1,    46,    46,    55,    57,    61,    73,    67,
+      84,    31,     1,     1,    47,    47,    56,    58,    62,    76,
-      73,    30,    30,    30,    30,    30,    30,    80,    80,    31,
+      68,    74,    31,    31,    31,    31,    31,    31,    83,    83,
-      32,    78,    27,    33,    30,    30,     1,    12,    16,    18,
+      32,    33,    81,    28,    34,    31,    31,     1,    12,    16,
-      19,    20,    21,    22,    23,    25,    30,    41,    47,    48,
+      18,    19,    20,    21,    22,    24,    26,    31,    42,    48,
-      71,    72,    74,    17,    18,    19,    20,    30,    41,    56,
+      49,    72,    73,    75,    17,    18,    19,    20,    31,    42,
-      72,    74,    40,    53,    77,    40,    54,    59,    66,    77,
+      57,    73,    75,    41,    54,    80,    41,    55,    60,    67,
-      30,    41,    74,    40,    54,    65,    66,    77,    28,    80,
+      80,    23,    31,    74,    77,    41,    55,    66,    67,    80,
-      80,    81,    81,    30,    30,    24,    76,    75,    76,    80,
+      31,    42,    75,    29,    83,    83,    84,    84,    31,    31,
-      25,    81,    49,     1,    13,    30,    76,    75,    25,    80,
+      25,    79,    78,    79,    83,    26,    84,    50,     1,    13,
-      14,    79,    30,    79,    79,    79,    81,    25,    30,    30,
+      31,    79,    78,    26,    14,    82,    83,    82,    31,    82,
-      79,    30,    79,    30,    80,    30,    30,    30,    79,    33,
+      82,    82,    84,    26,    31,    31,    82,    31,    82,    83,
-      50,    30,    30,    30,    76
+      31,    31,    31,    31,    82,    34,    51,    31,    31,    31,
+      79
 };
 #define yyerrok         (yyerrstatus = 0)
@@ -1292,7 +1302,7 @@ yydestruct (yymsg, yytype, yyvaluep)
  switch (yytype)
    {
-      case 52: /* "choice_entry" */
+      case 53: /* "choice_entry" */
        {
        fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1302,7 +1312,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 };
        break;
-      case 58: /* "if_entry" */
+      case 59: /* "if_entry" */
        {
        fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1312,7 +1322,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 };
        break;
-      case 64: /* "menu_entry" */
+      case 65: /* "menu_entry" */
        {
        fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1644,17 +1654,17 @@ yyreduce:
    { zconf_error("invalid statement"); ;}
    break;
-  case 27:
+  case 28:
    { zconf_error("unknown option \"%s\"", (yyvsp[(1) - (3)].string)); ;}
    break;
-  case 28:
+  case 29:
    { zconf_error("invalid option"); ;}
    break;
-  case 29:
+  case 30:
    {
        struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0);
@@ -1664,7 +1674,7 @@ yyreduce:
 ;}
    break;
-  case 30:
+  case 31:
    {
        menu_end_entry();
@@ -1672,7 +1682,7 @@ yyreduce:
 ;}
    break;
-  case 31:
+  case 32:
    {
        struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0);
@@ -1682,7 +1692,7 @@ yyreduce:
 ;}
    break;
-  case 32:
+  case 33:
    {
        if (current_entry->prompt)
@@ -1694,7 +1704,7 @@ yyreduce:
 ;}
    break;
-  case 40:
+  case 41:
    {
        menu_set_type((yyvsp[(1) - (3)].id)->stype);
@@ -1704,7 +1714,7 @@ yyreduce:
 ;}
    break;
-  case 41:
+  case 42:
    {
        menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr));
@@ -1712,7 +1722,7 @@ yyreduce:
 ;}
    break;
-  case 42:
+  case 43:
    {
        menu_add_expr(P_DEFAULT, (yyvsp[(2) - (4)].expr), (yyvsp[(3) - (4)].expr));
@@ -1724,7 +1734,7 @@ yyreduce:
 ;}
    break;
-  case 43:
+  case 44:
    {
        menu_add_symbol(P_SELECT, sym_lookup((yyvsp[(2) - (4)].string), 0), (yyvsp[(3) - (4)].expr));
@@ -1732,7 +1742,7 @@ yyreduce:
 ;}
    break;
-  case 44:
+  case 45:
    {
        menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,(yyvsp[(2) - (5)].symbol), (yyvsp[(3) - (5)].symbol)), (yyvsp[(4) - (5)].expr));
@@ -1740,7 +1750,7 @@ yyreduce:
 ;}
    break;
-  case 47:
+  case 48:
    {
        struct kconf_id *id = kconf_id_lookup((yyvsp[(2) - (3)].string), strlen((yyvsp[(2) - (3)].string)));
@@ -1752,17 +1762,17 @@ yyreduce:
 ;}
    break;
-  case 48:
+  case 49:
    { (yyval.string) = NULL; ;}
    break;
-  case 49:
+  case 50:
    { (yyval.string) = (yyvsp[(2) - (2)].string); ;}
    break;
-  case 50:
+  case 51:
    {
        struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), SYMBOL_CHOICE);
@@ -1773,14 +1783,14 @@ yyreduce:
 ;}
    break;
-  case 51:
+  case 52:
    {
        (yyval.menu) = menu_add_menu();
 ;}
    break;
-  case 52:
+  case 53:
    {
        if (zconf_endtoken((yyvsp[(1) - (1)].id), T_CHOICE, T_ENDCHOICE)) {
@@ -1790,7 +1800,7 @@ yyreduce:
 ;}
    break;
-  case 60:
+  case 61:
    {
        menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr));
@@ -1798,7 +1808,7 @@ yyreduce:
 ;}
    break;
-  case 61:
+  case 62:
    {
        if ((yyvsp[(1) - (3)].id)->stype == S_BOOLEAN || (yyvsp[(1) - (3)].id)->stype == S_TRISTATE) {
@@ -1811,7 +1821,7 @@ yyreduce:
 ;}
    break;
-  case 62:
+  case 63:
    {
        current_entry->sym->flags |= SYMBOL_OPTIONAL;
@@ -1819,7 +1829,7 @@ yyreduce:
 ;}
    break;
-  case 63:
+  case 64:
    {
        if ((yyvsp[(1) - (4)].id)->stype == S_UNKNOWN) {
@@ -1831,7 +1841,7 @@ yyreduce:
 ;}
    break;
-  case 66:
+  case 67:
    {
        printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
@@ -1841,7 +1851,7 @@ yyreduce:
 ;}
    break;
-  case 67:
+  case 68:
    {
        if (zconf_endtoken((yyvsp[(1) - (1)].id), T_IF, T_ENDIF)) {
@@ -1851,14 +1861,14 @@ yyreduce:
 ;}
    break;
-  case 73:
+  case 74:
    {
        menu_add_prompt(P_MENU, (yyvsp[(2) - (3)].string), NULL);
 ;}
    break;
-  case 74:
+  case 75:
    {
        menu_add_entry(NULL);
@@ -1867,14 +1877,14 @@ yyreduce:
 ;}
    break;
-  case 75:
+  case 76:
    {
        (yyval.menu) = menu_add_menu();
 ;}
    break;
-  case 76:
+  case 77:
    {
        if (zconf_endtoken((yyvsp[(1) - (1)].id), T_MENU, T_ENDMENU)) {
@@ -1884,7 +1894,7 @@ yyreduce:
 ;}
    break;
-  case 82:
+  case 83:
    {
        printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), (yyvsp[(2) - (3)].string));
@@ -1892,7 +1902,7 @@ yyreduce:
 ;}
    break;
-  case 83:
+  case 84:
    {
        menu_add_entry(NULL);
@@ -1901,14 +1911,14 @@ yyreduce:
 ;}
    break;
-  case 84:
+  case 85:
    {
        menu_end_entry();
 ;}
    break;
-  case 85:
+  case 86:
    {
        printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
@@ -1916,14 +1926,14 @@ yyreduce:
 ;}
    break;
-  case 86:
+  case 87:
    {
        current_entry->help = (yyvsp[(2) - (2)].string);
 ;}
    break;
-  case 91:
+  case 92:
    {
        menu_add_dep((yyvsp[(3) - (4)].expr));
@@ -1931,84 +1941,91 @@ yyreduce:
 ;}
    break;
-  case 93:
+  case 96:
+    {
+        menu_add_visibility((yyvsp[(2) - (2)].expr));
+;}
+    break;
+  case 98:
    {
        menu_add_prompt(P_PROMPT, (yyvsp[(1) - (2)].string), (yyvsp[(2) - (2)].expr));
 ;}
    break;
-  case 96:
+  case 101:
    { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
    break;
-  case 97:
+  case 102:
    { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
    break;
-  case 98:
+  case 103:
    { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
    break;
-  case 101:
+  case 106:
    { (yyval.expr) = NULL; ;}
    break;
-  case 102:
+  case 107:
    { (yyval.expr) = (yyvsp[(2) - (2)].expr); ;}
    break;
-  case 103:
+  case 108:
    { (yyval.expr) = expr_alloc_symbol((yyvsp[(1) - (1)].symbol)); ;}
    break;
-  case 104:
+  case 109:
    { (yyval.expr) = expr_alloc_comp(E_EQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;}
    break;
-  case 105:
+  case 110:
    { (yyval.expr) = expr_alloc_comp(E_UNEQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;}
    break;
-  case 106:
+  case 111:
    { (yyval.expr) = (yyvsp[(2) - (3)].expr); ;}
    break;
-  case 107:
+  case 112:
    { (yyval.expr) = expr_alloc_one(E_NOT, (yyvsp[(2) - (2)].expr)); ;}
    break;
-  case 108:
+  case 113:
    { (yyval.expr) = expr_alloc_two(E_OR, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;}
    break;
-  case 109:
+  case 114:
    { (yyval.expr) = expr_alloc_two(E_AND, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;}
    break;
-  case 110:
+  case 115:
    { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), 0); free((yyvsp[(1) - (1)].string)); ;}
    break;
-  case 111:
+  case 116:
    { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), SYMBOL_CONST); free((yyvsp[(1) - (1)].string)); ;}
    break;
-  case 112:
+  case 117:
    { (yyval.string) = NULL; ;}
    break;
@@ -2278,6 +2295,7 @@ static const char *zconf_tokenname(int token)
        case T_IF:              return "if";
        case T_ENDIF:           return "endif";
        case T_DEPENDS:         return "depends";
+        case T_VISIBLE:         return "visible";
        }
        return "<token>";
 }
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 2abd3c7ff15d..49fb4ab664c3 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -36,7 +36,7 @@ static struct menu *current_menu, *current_entry;
 #define YYERROR_VERBOSE
 #endif
 %}
-%expect 28
+%expect 30
 %union
 {
@@ -68,6 +68,7 @@ static struct menu *current_menu, *current_entry;
 %token <id>T_DEFAULT
 %token <id>T_SELECT
 %token <id>T_RANGE
+%token <id>T_VISIBLE
 %token <id>T_OPTION
 %token <id>T_ON
 %token <string> T_WORD
@@ -123,7 +124,7 @@ stmt_list:
 ;
 option_name:
-        T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT
+        T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
 ;
 common_stmt:
@@ -359,7 +360,7 @@ menu: T_MENU prompt T_EOL
        printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
 };
-menu_entry: menu depends_list
+menu_entry: menu visibility_list depends_list
 {
        $$ = menu_add_menu();
 };
@@ -430,6 +431,19 @@ depends: T_DEPENDS T_ON expr T_EOL
        printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
 };
+/* visibility option */
+visibility_list:
+          /* empty */
+        | visibility_list visible
+        | visibility_list T_EOL
+;
+visible: T_VISIBLE if_expr
+{
+        menu_add_visibility($2);
+};
 /* prompt statement */
 prompt_stmt_opt:
@@ -526,6 +540,7 @@ static const char *zconf_tokenname(int token)
        case T_IF:              return "if";
        case T_ENDIF:           return "endif";
        case T_DEPENDS:         return "depends";
+        case T_VISIBLE:         return "visible";
        }
        return "<token>";
 }
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 5c8c7dff8ede..b753ec661fcf 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1510,16 +1510,19 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
 static int snd_pcm_oss_reset(struct snd_pcm_oss_file *pcm_oss_file)
 {
        struct snd_pcm_substream *substream;
+        struct snd_pcm_runtime *runtime;
+        int i;
-        substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
+        for (i = 0; i < 2; i++) { 
-        if (substream != NULL) {
+                substream = pcm_oss_file->streams[i];
-                snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
+                if (!substream)
-                substream->runtime->oss.prepare = 1;
+                        continue;
-        }
+                runtime = substream->runtime;
-        substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
-        if (substream != NULL) {
                snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
-                substream->runtime->oss.prepare = 1;
+                runtime->oss.prepare = 1;
+                runtime->oss.buffer_used = 0;
+                runtime->oss.prev_hw_ptr_period = 0;
+                runtime->oss.period_ptr = 0;
        }
        return 0;
 }
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 886d7c72936e..8fddc9d08726 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -9865,7 +9865,6 @@ static struct snd_pci_quirk alc882_cfg_tbl[] = {
        SND_PCI_QUIRK(0x17aa, 0x3bfc, "Lenovo NB0763", ALC883_LENOVO_NB0763),
        SND_PCI_QUIRK(0x17aa, 0x3bfd, "Lenovo NB0763", ALC883_LENOVO_NB0763),
        SND_PCI_QUIRK(0x17aa, 0x101d, "Lenovo Sky", ALC888_LENOVO_SKY),
-        SND_PCI_QUIRK(0x17c0, 0x4071, "MEDION MD2", ALC883_MEDION_MD2),
        SND_PCI_QUIRK(0x17c0, 0x4085, "MEDION MD96630", ALC888_LENOVO_MS7195_DIG),
        SND_PCI_QUIRK(0x17f2, 0x5000, "Albatron KI690-AM2", ALC883_6ST_DIG),
        SND_PCI_QUIRK(0x1991, 0x5625, "Haier W66", ALC883_HAIER_W66),
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 5c710807dfe5..efa4225f5fd6 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1627,6 +1627,8 @@ static struct snd_pci_quirk stac92hd73xx_cfg_tbl[] = {
 static struct snd_pci_quirk stac92hd73xx_codec_id_cfg_tbl[] = {
        SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x02a1,
                      "Alienware M17x", STAC_ALIENWARE_M17X),
+        SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x043a,
+                      "Alienware M17x", STAC_ALIENWARE_M17X),
        {} /* terminator */
 };
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 631385802eb4..e725c09a3e79 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -526,7 +526,7 @@ static int wm8731_probe(struct snd_soc_codec *codec)
        snd_soc_update_bits(codec, WM8731_RINVOL, 0x100, 0);
        /* Disable bypass path by default */
-        snd_soc_update_bits(codec, WM8731_APANA, 0x4, 0);
+        snd_soc_update_bits(codec, WM8731_APANA, 0x8, 0);
        snd_soc_add_controls(codec, wm8731_snd_controls,
                             ARRAY_SIZE(wm8731_snd_controls));
diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c
index 0d7dcf1e4863..7d7847a1e66b 100644
--- a/sound/soc/fsl/mpc8610_hpcd.c
+++ b/sound/soc/fsl/mpc8610_hpcd.c
@@ -498,6 +498,7 @@ static int mpc8610_hpcd_probe(struct platform_device *pdev)
                dev_err(&pdev->dev, "platform device add failed\n");
                goto error;
        }
+        dev_set_drvdata(&pdev->dev, sound_device);
        of_node_put(codec_np);
diff --git a/sound/soc/fsl/p1022_ds.c b/sound/soc/fsl/p1022_ds.c
index 63b9eaa1ebc2..026b756961e0 100644
--- a/sound/soc/fsl/p1022_ds.c
+++ b/sound/soc/fsl/p1022_ds.c
@@ -498,6 +498,7 @@ static int p1022_ds_probe(struct platform_device *pdev)
                dev_err(&pdev->dev, "platform device add failed\n");
                goto error;
        }
+        dev_set_drvdata(&pdev->dev, sound_device);
        of_node_put(codec_np);
diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c
index e00e39dd6576..dac6732da969 100644
--- a/sound/soc/nuc900/nuc900-ac97.c
+++ b/sound/soc/nuc900/nuc900-ac97.c
@@ -49,7 +49,7 @@ static unsigned short nuc900_ac97_read(struct snd_ac97 *ac97,
        mutex_lock(&ac97_mutex);
        val = nuc900_checkready();
-        if (!!val) {
+        if (val) {
                dev_err(nuc900_audio->dev, "AC97 codec is not ready\n");
                goto out;
        }
@@ -102,7 +102,7 @@ static void nuc900_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
        mutex_lock(&ac97_mutex);
        tmp = nuc900_checkready();
-        if (!!tmp)
+        if (tmp)
                dev_err(nuc900_audio->dev, "AC97 codec is not ready\n");
        /* clear the R_WB bit and write register index */
@@ -149,7 +149,7 @@ static void nuc900_ac97_warm_reset(struct snd_ac97 *ac97)
        udelay(100);
        val = nuc900_checkready();
-        if (!!val)
+        if (val)
                dev_err(nuc900_audio->dev, "AC97 codec is not ready\n");
        mutex_unlock(&ac97_mutex);
@@ -263,8 +263,7 @@ static int nuc900_ac97_trigger(struct snd_pcm_substream *substream,
        return ret;
 }
-static int nuc900_ac97_probe(struct platform_device *pdev,
+static int nuc900_ac97_probe(struct snd_soc_dai *dai)
-                                        struct snd_soc_dai *dai)
 {
        struct nuc900_audio *nuc900_audio = nuc900_ac97_data;
        unsigned long val;
@@ -284,12 +283,12 @@ static int nuc900_ac97_probe(struct platform_device *pdev,
        return 0;
 }
-static void nuc900_ac97_remove(struct platform_device *pdev,
+static int nuc900_ac97_remove(struct snd_soc_dai *dai)
-                                                struct snd_soc_dai *dai)
 {
        struct nuc900_audio *nuc900_audio = nuc900_ac97_data;
        clk_disable(nuc900_audio->clk);
+        return 0;
 }
 static struct snd_soc_dai_ops nuc900_ac97_dai_ops = {
@@ -313,7 +312,7 @@ static struct snd_soc_dai_driver nuc900_ac97_dai = {
                .channels_max   = 2,
        },
        .ops = &nuc900_ac97_dai_ops,
-}
+};
 static int __devinit nuc900_ac97_drvprobe(struct platform_device *pdev)
 {
diff --git a/sound/soc/nuc900/nuc900-audio.h b/sound/soc/nuc900/nuc900-audio.h
index aeed8ead2b2b..59f7e8ed1a68 100644
--- a/sound/soc/nuc900/nuc900-audio.h
+++ b/sound/soc/nuc900/nuc900-audio.h
@@ -110,4 +110,6 @@ struct nuc900_audio {
 };
+extern struct nuc900_audio *nuc900_ac97_data;
 #endif /*end _NUC900_AUDIO_H */
diff --git a/sound/soc/nuc900/nuc900-pcm.c b/sound/soc/nuc900/nuc900-pcm.c
index 195d1ac94771..8263f56dc665 100644
--- a/sound/soc/nuc900/nuc900-pcm.c
+++ b/sound/soc/nuc900/nuc900-pcm.c
@@ -50,12 +50,12 @@ static int nuc900_dma_hw_params(struct snd_pcm_substream *substream,
        unsigned long flags;
        int ret = 0;
-        spin_lock_irqsave(&nuc900_audio->lock, flags);
        ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
        if (ret < 0)
                return ret;
+        spin_lock_irqsave(&nuc900_audio->lock, flags);
        nuc900_audio->substream = substream;
        nuc900_audio->dma_addr[substream->stream] = runtime->dma_addr;
        nuc900_audio->buffersize[substream->stream] =
@@ -169,6 +169,7 @@ static int nuc900_dma_prepare(struct snd_pcm_substream *substream)
        struct snd_pcm_runtime *runtime = substream->runtime;
        struct nuc900_audio *nuc900_audio = runtime->private_data;
        unsigned long flags, val;
+        int ret = 0;
        spin_lock_irqsave(&nuc900_audio->lock, flags);
@@ -197,10 +198,10 @@ static int nuc900_dma_prepare(struct snd_pcm_substream *substream)
                AUDIO_WRITE(nuc900_audio->mmio + ACTL_RESET, val);
                break;
        default:
-                return -EINVAL;
+                ret = -EINVAL;
        }
        spin_unlock_irqrestore(&nuc900_audio->lock, flags);
-        return 0;
+        return ret;
 }
 static int nuc900_dma_trigger(struct snd_pcm_substream *substream, int cmd)
@@ -332,7 +333,7 @@ static struct snd_soc_platform_driver nuc900_soc_platform = {
        .ops            = &nuc900_dma_ops,
        .pcm_new        = nuc900_dma_new,
        .pcm_free       = nuc900_dma_free_dma_buffers,
-}
+};
 static int __devinit nuc900_soc_platform_probe(struct platform_device *pdev)
 {
diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig
index d542ea2ff6be..a088db6d5091 100644
--- a/sound/soc/omap/Kconfig
+++ b/sound/soc/omap/Kconfig
@@ -12,8 +12,8 @@ config SND_OMAP_SOC_MCPDM
 config SND_OMAP_SOC_N810
        tristate "SoC Audio support for Nokia N810"
        depends on SND_OMAP_SOC && MACH_NOKIA_N810 && I2C
+        depends on OMAP_MUX
        select SND_OMAP_SOC_MCBSP
-        select OMAP_MUX
        select SND_SOC_TLV320AIC3X
        help
          Say Y if you want to add support for SoC audio on Nokia N810.
diff --git a/sound/soc/s6000/s6000-i2s.c b/sound/soc/s6000/s6000-i2s.c
index 8778faa174a6..3052f64b2403 100644
--- a/sound/soc/s6000/s6000-i2s.c
+++ b/sound/soc/s6000/s6000-i2s.c
@@ -434,7 +434,7 @@ static struct snd_soc_dai_driver s6000_i2s_dai = {
                .rate_max = 1562500,
        },
        .ops = &s6000_i2s_dai_ops,
-}
+};
 static int __devinit s6000_i2s_probe(struct platform_device *pdev)
 {
diff --git a/sound/soc/s6000/s6000-pcm.c b/sound/soc/s6000/s6000-pcm.c
index 271fd222bf19..ab3ccaec72d2 100644
--- a/sound/soc/s6000/s6000-pcm.c
+++ b/sound/soc/s6000/s6000-pcm.c
@@ -473,7 +473,7 @@ static int s6000_pcm_new(struct snd_card *card,
        }
        res = request_irq(params->irq, s6000_pcm_irq, IRQF_SHARED,
-                          s6000_soc_platform.name, pcm);
+                          "s6000-audio", pcm);
        if (res) {
                printk(KERN_ERR "s6000-pcm couldn't get IRQ\n");
                return res;
diff --git a/sound/soc/s6000/s6105-ipcam.c b/sound/soc/s6000/s6105-ipcam.c
index 96c05e137538..c1244c5bc730 100644
--- a/sound/soc/s6000/s6105-ipcam.c
+++ b/sound/soc/s6000/s6105-ipcam.c
@@ -167,7 +167,7 @@ static int s6105_aic3x_init(struct snd_soc_pcm_runtime *rtd)
        snd_soc_dapm_sync(codec);
-        snd_ctl_add(codec->snd_card, snd_ctl_new1(&audio_out_mux, codec));
+        snd_ctl_add(codec->card->snd_card, snd_ctl_new1(&audio_out_mux, codec));
        return 0;
 }
diff --git a/usr/initramfs_data.S b/usr/initramfs_data.S
index 792a750d9441..c14322d1c0cf 100644
--- a/usr/initramfs_data.S
+++ b/usr/initramfs_data.S
@@ -22,14 +22,15 @@
 */
 #include <linux/stringify.h>
+#include <asm-generic/vmlinux.lds.h>
 .section .init.ramfs,"a"
 __irf_start:
 .incbin __stringify(INITRAMFS_IMAGE)
 __irf_end:
 .section .init.ramfs.info,"a"
-.globl __initramfs_size
+.globl VMLINUX_SYMBOL(__initramfs_size)
-__initramfs_size:
+VMLINUX_SYMBOL(__initramfs_size):
 #ifdef CONFIG_64BIT
        .quad __irf_end - __irf_start
 #else