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-rw-r--r--Documentation/kernel-parameters.txt2
-rw-r--r--MAINTAINERS17
-rw-r--r--arch/i386/kernel/hpet.c68
-rw-r--r--arch/ia64/kernel/msi_ia64.c2
-rw-r--r--arch/ia64/kernel/smpboot.c17
-rw-r--r--arch/ia64/mm/init.c2
-rw-r--r--arch/ia64/pci/pci.c1
-rw-r--r--arch/mips/Kconfig2
-rw-r--r--arch/mips/gt64120/momenco_ocelot/prom.c1
-rw-r--r--arch/mips/gt64120/momenco_ocelot/setup.c2
-rw-r--r--arch/mips/kernel/entry.S6
-rw-r--r--arch/mips/kernel/genex.S31
-rw-r--r--arch/mips/kernel/smtc.c65
-rw-r--r--arch/mips/mm/fault.c6
-rw-r--r--arch/mips/pci/pci-ev64120.c1
-rw-r--r--arch/mips/sibyte/bcm1480/irq.c4
-rw-r--r--arch/powerpc/sysdev/qe_lib/qe.c6
-rw-r--r--arch/um/drivers/chan_kern.c12
-rw-r--r--arch/um/drivers/mconsole_kern.c3
-rw-r--r--arch/um/drivers/ubd_kern.c13
-rw-r--r--arch/um/include/mconsole.h2
-rw-r--r--arch/um/kernel/mem.c3
-rw-r--r--arch/um/sys-i386/ldt.c3
-rw-r--r--arch/x86_64/kernel/i8259.c6
-rw-r--r--crypto/scatterwalk.c10
-rw-r--r--drivers/acpi/tables.c2
-rw-r--r--drivers/ata/libata-core.c2
-rw-r--r--drivers/base/driver.c9
-rw-r--r--drivers/char/Kconfig33
-rw-r--r--drivers/isdn/gigaset/bas-gigaset.c4
-rw-r--r--drivers/isdn/gigaset/common.c6
-rw-r--r--drivers/isdn/gigaset/ev-layer.c4
-rw-r--r--drivers/isdn/gigaset/isocdata.c4
-rw-r--r--drivers/isdn/gigaset/ser-gigaset.c2
-rw-r--r--drivers/isdn/gigaset/usb-gigaset.c4
-rw-r--r--drivers/net/atl1/atl1_main.c10
-rw-r--r--drivers/net/bnx2.c8
-rw-r--r--drivers/net/ifb.c35
-rw-r--r--drivers/net/netxen/netxen_nic_init.c3
-rw-r--r--drivers/net/sis190.c1
-rw-r--r--fs/hostfs/hostfs_kern.c25
-rw-r--r--fs/splice.c25
-rw-r--r--include/asm-mips/irqflags.h55
-rw-r--r--include/asm-mips/marvell.h1
-rw-r--r--include/asm-mips/smtc_ipi.h16
-rw-r--r--include/asm-powerpc/immap_qe.h3
-rw-r--r--include/asm-um/common.lds.S2
-rw-r--r--include/asm-um/pgtable-2level.h8
-rw-r--r--include/asm-x86_64/hw_irq.h2
-rw-r--r--include/linux/skbuff.h5
-rw-r--r--include/net/pkt_cls.h7
-rw-r--r--kernel/exit.c2
-rw-r--r--mm/filemap_xip.c48
-rw-r--r--mm/madvise.c19
-rw-r--r--mm/shmem.c132
-rw-r--r--net/bluetooth/hidp/core.c23
-rw-r--r--net/core/dev.c8
-rw-r--r--net/core/skbuff.c2
-rw-r--r--net/sched/act_mirred.c2
-rw-r--r--scripts/basic/fixdep.c10
60 files changed, 589 insertions, 218 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index ef2ffded1392..12533a958c51 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -142,7 +142,7 @@ and is between 256 and 4096 characters. It is defined in the file
142 Format: <int> 142 Format: <int>
143 2: use 2nd APIC table, if available 143 2: use 2nd APIC table, if available
144 1,0: use 1st APIC table 144 1,0: use 1st APIC table
145 default: 2 145 default: 0
146 146
147 acpi_sleep= [HW,ACPI] Sleep options 147 acpi_sleep= [HW,ACPI] Sleep options
148 Format: { s3_bios, s3_mode } 148 Format: { s3_bios, s3_mode }
diff --git a/MAINTAINERS b/MAINTAINERS
index 8c8090e02d8e..829407ff41f1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -198,10 +198,25 @@ L: linux-sound@vger.kernel.org
198W: http://www.stud.uni-karlsruhe.de/~uh1b/ 198W: http://www.stud.uni-karlsruhe.de/~uh1b/
199S: Maintained 199S: Maintained
200 200
201IPS SCSI RAID DRIVER
202P: Adaptec OEM Raid Solutions
203M: aacraid@adaptec.com
204L: linux-scsi@vger.kernel.org
205W: http://www.adaptec.com/
206S: Maintained
207
208DPT_I2O SCSI RAID DRIVER
209P: Adaptec OEM Raid Solutions
210M: aacraid@adaptec.com
211L: linux-scsi@vger.kernel.org
212W: http://www.adaptec.com/
213S: Maintained
214
201AACRAID SCSI RAID DRIVER 215AACRAID SCSI RAID DRIVER
202P: Adaptec OEM Raid Solutions 216P: Adaptec OEM Raid Solutions
217M: aacraid@adaptec.com
203L: linux-scsi@vger.kernel.org 218L: linux-scsi@vger.kernel.org
204W: http://linux.dell.com/storage.shtml 219W: http://www.adaptec.com/
205S: Supported 220S: Supported
206 221
207ACPI 222ACPI
diff --git a/arch/i386/kernel/hpet.c b/arch/i386/kernel/hpet.c
index 76afea67f691..17d73459fc5f 100644
--- a/arch/i386/kernel/hpet.c
+++ b/arch/i386/kernel/hpet.c
@@ -3,6 +3,8 @@
3#include <linux/errno.h> 3#include <linux/errno.h>
4#include <linux/hpet.h> 4#include <linux/hpet.h>
5#include <linux/init.h> 5#include <linux/init.h>
6#include <linux/sysdev.h>
7#include <linux/pm.h>
6 8
7#include <asm/hpet.h> 9#include <asm/hpet.h>
8#include <asm/io.h> 10#include <asm/io.h>
@@ -307,6 +309,7 @@ int __init hpet_enable(void)
307out_nohpet: 309out_nohpet:
308 iounmap(hpet_virt_address); 310 iounmap(hpet_virt_address);
309 hpet_virt_address = NULL; 311 hpet_virt_address = NULL;
312 boot_hpet_disable = 1;
310 return 0; 313 return 0;
311} 314}
312 315
@@ -521,3 +524,68 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id)
521 return IRQ_HANDLED; 524 return IRQ_HANDLED;
522} 525}
523#endif 526#endif
527
528
529/*
530 * Suspend/resume part
531 */
532
533#ifdef CONFIG_PM
534
535static int hpet_suspend(struct sys_device *sys_device, pm_message_t state)
536{
537 unsigned long cfg = hpet_readl(HPET_CFG);
538
539 cfg &= ~(HPET_CFG_ENABLE|HPET_CFG_LEGACY);
540 hpet_writel(cfg, HPET_CFG);
541
542 return 0;
543}
544
545static int hpet_resume(struct sys_device *sys_device)
546{
547 unsigned int id;
548
549 hpet_start_counter();
550
551 id = hpet_readl(HPET_ID);
552
553 if (id & HPET_ID_LEGSUP)
554 hpet_enable_int();
555
556 return 0;
557}
558
559static struct sysdev_class hpet_class = {
560 set_kset_name("hpet"),
561 .suspend = hpet_suspend,
562 .resume = hpet_resume,
563};
564
565static struct sys_device hpet_device = {
566 .id = 0,
567 .cls = &hpet_class,
568};
569
570
571static __init int hpet_register_sysfs(void)
572{
573 int err;
574
575 if (!is_hpet_capable())
576 return 0;
577
578 err = sysdev_class_register(&hpet_class);
579
580 if (!err) {
581 err = sysdev_register(&hpet_device);
582 if (err)
583 sysdev_class_unregister(&hpet_class);
584 }
585
586 return err;
587}
588
589device_initcall(hpet_register_sysfs);
590
591#endif
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index e7220900ea14..ebbeadfee42d 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -68,7 +68,7 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
68{ 68{
69 struct msi_msg msg; 69 struct msi_msg msg;
70 unsigned long dest_phys_id; 70 unsigned long dest_phys_id;
71 unsigned int irq, vector; 71 int irq, vector;
72 72
73 irq = create_irq(); 73 irq = create_irq();
74 if (irq < 0) 74 if (irq < 0)
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index b21ddecea943..ff7df439da6d 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -375,6 +375,7 @@ static void __devinit
375smp_callin (void) 375smp_callin (void)
376{ 376{
377 int cpuid, phys_id, itc_master; 377 int cpuid, phys_id, itc_master;
378 struct cpuinfo_ia64 *last_cpuinfo, *this_cpuinfo;
378 extern void ia64_init_itm(void); 379 extern void ia64_init_itm(void);
379 extern volatile int time_keeper_id; 380 extern volatile int time_keeper_id;
380 381
@@ -424,7 +425,21 @@ smp_callin (void)
424 * Get our bogomips. 425 * Get our bogomips.
425 */ 426 */
426 ia64_init_itm(); 427 ia64_init_itm();
427 calibrate_delay(); 428
429 /*
430 * Delay calibration can be skipped if new processor is identical to the
431 * previous processor.
432 */
433 last_cpuinfo = cpu_data(cpuid - 1);
434 this_cpuinfo = local_cpu_data;
435 if (last_cpuinfo->itc_freq != this_cpuinfo->itc_freq ||
436 last_cpuinfo->proc_freq != this_cpuinfo->proc_freq ||
437 last_cpuinfo->features != this_cpuinfo->features ||
438 last_cpuinfo->revision != this_cpuinfo->revision ||
439 last_cpuinfo->family != this_cpuinfo->family ||
440 last_cpuinfo->archrev != this_cpuinfo->archrev ||
441 last_cpuinfo->model != this_cpuinfo->model)
442 calibrate_delay();
428 local_cpu_data->loops_per_jiffy = loops_per_jiffy; 443 local_cpu_data->loops_per_jiffy = loops_per_jiffy;
429 444
430#ifdef CONFIG_IA32_SUPPORT 445#ifdef CONFIG_IA32_SUPPORT
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index c8da621aab17..4f36987eea72 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -155,7 +155,7 @@ ia64_set_rbs_bot (void)
155 155
156 if (stack_size > MAX_USER_STACK_SIZE) 156 if (stack_size > MAX_USER_STACK_SIZE)
157 stack_size = MAX_USER_STACK_SIZE; 157 stack_size = MAX_USER_STACK_SIZE;
158 current->thread.rbs_bot = STACK_TOP - stack_size; 158 current->thread.rbs_bot = PAGE_ALIGN(current->mm->start_stack - stack_size);
159} 159}
160 160
161/* 161/*
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index f8bcccd6d417..0e83f3b419b5 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -568,7 +568,6 @@ pcibios_disable_device (struct pci_dev *dev)
568 BUG_ON(atomic_read(&dev->enable_cnt)); 568 BUG_ON(atomic_read(&dev->enable_cnt));
569 if (!dev->msi_enabled) 569 if (!dev->msi_enabled)
570 acpi_pci_irq_disable(dev); 570 acpi_pci_irq_disable(dev);
571 return 0;
572} 571}
573 572
574void 573void
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 656f0ca52782..c78b14380b3e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1606,7 +1606,7 @@ config MIPS_MT_FPAFF
1606 1606
1607config MIPS_MT_SMTC_INSTANT_REPLAY 1607config MIPS_MT_SMTC_INSTANT_REPLAY
1608 bool "Low-latency Dispatch of Deferred SMTC IPIs" 1608 bool "Low-latency Dispatch of Deferred SMTC IPIs"
1609 depends on MIPS_MT_SMTC 1609 depends on MIPS_MT_SMTC && !PREEMPT
1610 default y 1610 default y
1611 help 1611 help
1612 SMTC pseudo-interrupts between TCs are deferred and queued 1612 SMTC pseudo-interrupts between TCs are deferred and queued
diff --git a/arch/mips/gt64120/momenco_ocelot/prom.c b/arch/mips/gt64120/momenco_ocelot/prom.c
index 78f393b2afd9..c71c85276c74 100644
--- a/arch/mips/gt64120/momenco_ocelot/prom.c
+++ b/arch/mips/gt64120/momenco_ocelot/prom.c
@@ -32,7 +32,6 @@ void __init prom_init(void)
32 char **arg = (char **) fw_arg1; 32 char **arg = (char **) fw_arg1;
33 char **env = (char **) fw_arg2; 33 char **env = (char **) fw_arg2;
34 struct callvectors *cv = (struct callvectors *) fw_arg3; 34 struct callvectors *cv = (struct callvectors *) fw_arg3;
35 uint32_t tmp;
36 int i; 35 int i;
37 36
38 /* save the PROM vectors for debugging use */ 37 /* save the PROM vectors for debugging use */
diff --git a/arch/mips/gt64120/momenco_ocelot/setup.c b/arch/mips/gt64120/momenco_ocelot/setup.c
index 94f94ebbda6c..98b6fb38096d 100644
--- a/arch/mips/gt64120/momenco_ocelot/setup.c
+++ b/arch/mips/gt64120/momenco_ocelot/setup.c
@@ -79,7 +79,7 @@ static char reset_reason;
79static void __init setup_l3cache(unsigned long size); 79static void __init setup_l3cache(unsigned long size);
80 80
81/* setup code for a handoff from a version 1 PMON 2000 PROM */ 81/* setup code for a handoff from a version 1 PMON 2000 PROM */
82void PMON_v1_setup() 82static void PMON_v1_setup(void)
83{ 83{
84 /* A wired TLB entry for the GT64120A and the serial port. The 84 /* A wired TLB entry for the GT64120A and the serial port. The
85 GT64120A is going to be hit on every IRQ anyway - there's 85 GT64120A is going to be hit on every IRQ anyway - there's
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index 0b78fcbf044a..686249c5c328 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -121,7 +121,11 @@ FEXPORT(restore_partial) # restore partial frame
121 SAVE_AT 121 SAVE_AT
122 SAVE_TEMP 122 SAVE_TEMP
123 LONG_L v0, PT_STATUS(sp) 123 LONG_L v0, PT_STATUS(sp)
124 and v0, 1 124#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
125 and v0, ST0_IEP
126#else
127 and v0, ST0_IE
128#endif
125 beqz v0, 1f 129 beqz v0, 1f
126 jal trace_hardirqs_on 130 jal trace_hardirqs_on
127 b 2f 131 b 2f
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index 83843a229be7..297bd56c2347 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -128,6 +128,37 @@ handle_vcei:
128 128
129 .align 5 129 .align 5
130NESTED(handle_int, PT_SIZE, sp) 130NESTED(handle_int, PT_SIZE, sp)
131#ifdef CONFIG_TRACE_IRQFLAGS
132 /*
133 * Check to see if the interrupted code has just disabled
134 * interrupts and ignore this interrupt for now if so.
135 *
136 * local_irq_disable() disables interrupts and then calls
137 * trace_hardirqs_off() to track the state. If an interrupt is taken
138 * after interrupts are disabled but before the state is updated
139 * it will appear to restore_all that it is incorrectly returning with
140 * interrupts disabled
141 */
142 .set push
143 .set noat
144 mfc0 k0, CP0_STATUS
145#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
146 and k0, ST0_IEP
147 bnez k0, 1f
148
149 mfc0 k0, EP0_EPC
150 .set noreorder
151 j k0
152 rfe
153#else
154 and k0, ST0_IE
155 bnez k0, 1f
156
157 eret
158#endif
1591:
160 .set pop
161#endif
131 SAVE_ALL 162 SAVE_ALL
132 CLI 163 CLI
133 TRACE_IRQS_OFF 164 TRACE_IRQS_OFF
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index f253eda27fa3..5dcfab6b288e 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -4,6 +4,7 @@
4#include <linux/sched.h> 4#include <linux/sched.h>
5#include <linux/cpumask.h> 5#include <linux/cpumask.h>
6#include <linux/interrupt.h> 6#include <linux/interrupt.h>
7#include <linux/kernel_stat.h>
7#include <linux/module.h> 8#include <linux/module.h>
8 9
9#include <asm/cpu.h> 10#include <asm/cpu.h>
@@ -14,6 +15,7 @@
14#include <asm/hazards.h> 15#include <asm/hazards.h>
15#include <asm/mmu_context.h> 16#include <asm/mmu_context.h>
16#include <asm/smp.h> 17#include <asm/smp.h>
18#include <asm/mips-boards/maltaint.h>
17#include <asm/mipsregs.h> 19#include <asm/mipsregs.h>
18#include <asm/cacheflush.h> 20#include <asm/cacheflush.h>
19#include <asm/time.h> 21#include <asm/time.h>
@@ -75,7 +77,7 @@ static struct smtc_ipi_q freeIPIq;
75 77
76void ipi_decode(struct smtc_ipi *); 78void ipi_decode(struct smtc_ipi *);
77static void post_direct_ipi(int cpu, struct smtc_ipi *pipi); 79static void post_direct_ipi(int cpu, struct smtc_ipi *pipi);
78static void setup_cross_vpe_interrupts(void); 80static void setup_cross_vpe_interrupts(unsigned int nvpe);
79void init_smtc_stats(void); 81void init_smtc_stats(void);
80 82
81/* Global SMTC Status */ 83/* Global SMTC Status */
@@ -168,7 +170,10 @@ __setup("tintq=", tintq);
168 170
169int imstuckcount[2][8]; 171int imstuckcount[2][8];
170/* vpemask represents IM/IE bits of per-VPE Status registers, low-to-high */ 172/* vpemask represents IM/IE bits of per-VPE Status registers, low-to-high */
171int vpemask[2][8] = {{0,1,1,0,0,0,0,1},{0,1,0,0,0,0,0,1}}; 173int vpemask[2][8] = {
174 {0, 0, 1, 0, 0, 0, 0, 1},
175 {0, 0, 0, 0, 0, 0, 0, 1}
176};
172int tcnoprog[NR_CPUS]; 177int tcnoprog[NR_CPUS];
173static atomic_t idle_hook_initialized = {0}; 178static atomic_t idle_hook_initialized = {0};
174static int clock_hang_reported[NR_CPUS]; 179static int clock_hang_reported[NR_CPUS];
@@ -501,8 +506,7 @@ void mipsmt_prepare_cpus(void)
501 506
502 /* If we have multiple VPEs running, set up the cross-VPE interrupt */ 507 /* If we have multiple VPEs running, set up the cross-VPE interrupt */
503 508
504 if (nvpe > 1) 509 setup_cross_vpe_interrupts(nvpe);
505 setup_cross_vpe_interrupts();
506 510
507 /* Set up queue of free IPI "messages". */ 511 /* Set up queue of free IPI "messages". */
508 nipi = NR_CPUS * IPIBUF_PER_CPU; 512 nipi = NR_CPUS * IPIBUF_PER_CPU;
@@ -607,7 +611,12 @@ void smtc_cpus_done(void)
607int setup_irq_smtc(unsigned int irq, struct irqaction * new, 611int setup_irq_smtc(unsigned int irq, struct irqaction * new,
608 unsigned long hwmask) 612 unsigned long hwmask)
609{ 613{
614 unsigned int vpe = current_cpu_data.vpe_id;
615
610 irq_hwmask[irq] = hwmask; 616 irq_hwmask[irq] = hwmask;
617#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG
618 vpemask[vpe][irq - MIPSCPU_INT_BASE] = 1;
619#endif
611 620
612 return setup_irq(irq, new); 621 return setup_irq(irq, new);
613} 622}
@@ -812,12 +821,15 @@ void ipi_decode(struct smtc_ipi *pipi)
812 smtc_ipi_nq(&freeIPIq, pipi); 821 smtc_ipi_nq(&freeIPIq, pipi);
813 switch (type_copy) { 822 switch (type_copy) {
814 case SMTC_CLOCK_TICK: 823 case SMTC_CLOCK_TICK:
824 irq_enter();
825 kstat_this_cpu.irqs[MIPSCPU_INT_BASE + MIPSCPU_INT_CPUCTR]++;
815 /* Invoke Clock "Interrupt" */ 826 /* Invoke Clock "Interrupt" */
816 ipi_timer_latch[dest_copy] = 0; 827 ipi_timer_latch[dest_copy] = 0;
817#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG 828#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG
818 clock_hang_reported[dest_copy] = 0; 829 clock_hang_reported[dest_copy] = 0;
819#endif /* CONFIG_SMTC_IDLE_HOOK_DEBUG */ 830#endif /* CONFIG_SMTC_IDLE_HOOK_DEBUG */
820 local_timer_interrupt(0, NULL); 831 local_timer_interrupt(0, NULL);
832 irq_exit();
821 break; 833 break;
822 case LINUX_SMP_IPI: 834 case LINUX_SMP_IPI:
823 switch ((int)arg_copy) { 835 switch ((int)arg_copy) {
@@ -965,8 +977,11 @@ static void ipi_irq_dispatch(void)
965 977
966static struct irqaction irq_ipi; 978static struct irqaction irq_ipi;
967 979
968static void setup_cross_vpe_interrupts(void) 980static void setup_cross_vpe_interrupts(unsigned int nvpe)
969{ 981{
982 if (nvpe < 1)
983 return;
984
970 if (!cpu_has_vint) 985 if (!cpu_has_vint)
971 panic("SMTC Kernel requires Vectored Interupt support"); 986 panic("SMTC Kernel requires Vectored Interupt support");
972 987
@@ -984,10 +999,17 @@ static void setup_cross_vpe_interrupts(void)
984 999
985/* 1000/*
986 * SMTC-specific hacks invoked from elsewhere in the kernel. 1001 * SMTC-specific hacks invoked from elsewhere in the kernel.
1002 *
1003 * smtc_ipi_replay is called from raw_local_irq_restore which is only ever
1004 * called with interrupts disabled. We do rely on interrupts being disabled
1005 * here because using spin_lock_irqsave()/spin_unlock_irqrestore() would
1006 * result in a recursive call to raw_local_irq_restore().
987 */ 1007 */
988 1008
989void smtc_ipi_replay(void) 1009static void __smtc_ipi_replay(void)
990{ 1010{
1011 unsigned int cpu = smp_processor_id();
1012
991 /* 1013 /*
992 * To the extent that we've ever turned interrupts off, 1014 * To the extent that we've ever turned interrupts off,
993 * we may have accumulated deferred IPIs. This is subtle. 1015 * we may have accumulated deferred IPIs. This is subtle.
@@ -1002,17 +1024,30 @@ void smtc_ipi_replay(void)
1002 * is clear, and we'll handle it as a real pseudo-interrupt 1024 * is clear, and we'll handle it as a real pseudo-interrupt
1003 * and not a pseudo-pseudo interrupt. 1025 * and not a pseudo-pseudo interrupt.
1004 */ 1026 */
1005 if (IPIQ[smp_processor_id()].depth > 0) { 1027 if (IPIQ[cpu].depth > 0) {
1006 struct smtc_ipi *pipi; 1028 while (1) {
1007 extern void self_ipi(struct smtc_ipi *); 1029 struct smtc_ipi_q *q = &IPIQ[cpu];
1030 struct smtc_ipi *pipi;
1031 extern void self_ipi(struct smtc_ipi *);
1032
1033 spin_lock(&q->lock);
1034 pipi = __smtc_ipi_dq(q);
1035 spin_unlock(&q->lock);
1036 if (!pipi)
1037 break;
1008 1038
1009 while ((pipi = smtc_ipi_dq(&IPIQ[smp_processor_id()]))) {
1010 self_ipi(pipi); 1039 self_ipi(pipi);
1011 smtc_cpu_stats[smp_processor_id()].selfipis++; 1040 smtc_cpu_stats[cpu].selfipis++;
1012 } 1041 }
1013 } 1042 }
1014} 1043}
1015 1044
1045void smtc_ipi_replay(void)
1046{
1047 raw_local_irq_disable();
1048 __smtc_ipi_replay();
1049}
1050
1016EXPORT_SYMBOL(smtc_ipi_replay); 1051EXPORT_SYMBOL(smtc_ipi_replay);
1017 1052
1018void smtc_idle_loop_hook(void) 1053void smtc_idle_loop_hook(void)
@@ -1117,7 +1152,13 @@ void smtc_idle_loop_hook(void)
1117 * is in use, there should never be any. 1152 * is in use, there should never be any.
1118 */ 1153 */
1119#ifndef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY 1154#ifndef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY
1120 smtc_ipi_replay(); 1155 {
1156 unsigned long flags;
1157
1158 local_irq_save(flags);
1159 __smtc_ipi_replay();
1160 local_irq_restore(flags);
1161 }
1121#endif /* CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY */ 1162#endif /* CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY */
1122} 1163}
1123 1164
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 6f90e7ef66ac..f9c595dceba9 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -42,7 +42,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write,
42 siginfo_t info; 42 siginfo_t info;
43 43
44#if 0 44#if 0
45 printk("Cpu%d[%s:%d:%0*lx:%ld:%0*lx]\n", smp_processor_id(), 45 printk("Cpu%d[%s:%d:%0*lx:%ld:%0*lx]\n", raw_smp_processor_id(),
46 current->comm, current->pid, field, address, write, 46 current->comm, current->pid, field, address, write,
47 field, regs->cp0_epc); 47 field, regs->cp0_epc);
48#endif 48#endif
@@ -165,7 +165,7 @@ no_context:
165 165
166 printk(KERN_ALERT "CPU %d Unable to handle kernel paging request at " 166 printk(KERN_ALERT "CPU %d Unable to handle kernel paging request at "
167 "virtual address %0*lx, epc == %0*lx, ra == %0*lx\n", 167 "virtual address %0*lx, epc == %0*lx, ra == %0*lx\n",
168 smp_processor_id(), field, address, field, regs->cp0_epc, 168 raw_smp_processor_id(), field, address, field, regs->cp0_epc,
169 field, regs->regs[31]); 169 field, regs->regs[31]);
170 die("Oops", regs); 170 die("Oops", regs);
171 171
@@ -228,7 +228,7 @@ vmalloc_fault:
228 pmd_t *pmd, *pmd_k; 228 pmd_t *pmd, *pmd_k;
229 pte_t *pte_k; 229 pte_t *pte_k;
230 230
231 pgd = (pgd_t *) pgd_current[smp_processor_id()] + offset; 231 pgd = (pgd_t *) pgd_current[raw_smp_processor_id()] + offset;
232 pgd_k = init_mm.pgd + offset; 232 pgd_k = init_mm.pgd + offset;
233 233
234 if (!pgd_present(*pgd_k)) 234 if (!pgd_present(*pgd_k))
diff --git a/arch/mips/pci/pci-ev64120.c b/arch/mips/pci/pci-ev64120.c
index 9cd859ef1842..a84f594b5a18 100644
--- a/arch/mips/pci/pci-ev64120.c
+++ b/arch/mips/pci/pci-ev64120.c
@@ -1,4 +1,5 @@
1#include <linux/pci.h> 1#include <linux/pci.h>
2#include <asm/irq.h>
2 3
3int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) 4int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
4{ 5{
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c
index 20af0f1bb7bf..ba0c4b776c85 100644
--- a/arch/mips/sibyte/bcm1480/irq.c
+++ b/arch/mips/sibyte/bcm1480/irq.c
@@ -141,11 +141,11 @@ static void bcm1480_set_affinity(unsigned int irq, cpumask_t mask)
141 unsigned long flags; 141 unsigned long flags;
142 unsigned int irq_dirty; 142 unsigned int irq_dirty;
143 143
144 i = first_cpu(mask); 144 if (cpus_weight(mask) != 1) {
145 if (next_cpu(i, mask) <= NR_CPUS) {
146 printk("attempted to set irq affinity for irq %d to multiple CPUs\n", irq); 145 printk("attempted to set irq affinity for irq %d to multiple CPUs\n", irq);
147 return; 146 return;
148 } 147 }
148 i = first_cpu(mask);
149 149
150 /* Convert logical CPU to physical CPU */ 150 /* Convert logical CPU to physical CPU */
151 cpu = cpu_logical_map(i); 151 cpu = cpu_logical_map(i);
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index e3d71e083f35..43f6cc9d7ea0 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -251,13 +251,13 @@ static int qe_sdma_init(void)
251 251
252 /* allocate 2 internal temporary buffers (512 bytes size each) for 252 /* allocate 2 internal temporary buffers (512 bytes size each) for
253 * the SDMA */ 253 * the SDMA */
254 sdma_buf_offset = qe_muram_alloc(512 * 2, 64); 254 sdma_buf_offset = qe_muram_alloc(512 * 2, 4096);
255 if (IS_MURAM_ERR(sdma_buf_offset)) 255 if (IS_MURAM_ERR(sdma_buf_offset))
256 return -ENOMEM; 256 return -ENOMEM;
257 257
258 out_be32(&sdma->sdebcr, sdma_buf_offset & QE_SDEBCR_BA_MASK); 258 out_be32(&sdma->sdebcr, sdma_buf_offset & QE_SDEBCR_BA_MASK);
259 out_be32(&sdma->sdmr, (QE_SDMR_GLB_1_MSK | (0x1 >> 259 out_be32(&sdma->sdmr, (QE_SDMR_GLB_1_MSK |
260 QE_SDMR_CEN_SHIFT))); 260 (0x1 << QE_SDMR_CEN_SHIFT)));
261 261
262 return 0; 262 return 0;
263} 263}
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 7b8baf146acc..9fdfad649536 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -236,11 +236,11 @@ void free_irqs(void)
236 struct chan *chan; 236 struct chan *chan;
237 LIST_HEAD(list); 237 LIST_HEAD(list);
238 struct list_head *ele; 238 struct list_head *ele;
239 unsigned long flags;
239 240
240 spin_lock_irq(&irqs_to_free_lock); 241 spin_lock_irqsave(&irqs_to_free_lock, flags);
241 list_splice_init(&irqs_to_free, &list); 242 list_splice_init(&irqs_to_free, &list);
242 INIT_LIST_HEAD(&irqs_to_free); 243 spin_unlock_irqrestore(&irqs_to_free_lock, flags);
243 spin_unlock_irq(&irqs_to_free_lock);
244 244
245 list_for_each(ele, &list){ 245 list_for_each(ele, &list){
246 chan = list_entry(ele, struct chan, free_list); 246 chan = list_entry(ele, struct chan, free_list);
@@ -255,13 +255,15 @@ void free_irqs(void)
255 255
256static void close_one_chan(struct chan *chan, int delay_free_irq) 256static void close_one_chan(struct chan *chan, int delay_free_irq)
257{ 257{
258 unsigned long flags;
259
258 if(!chan->opened) 260 if(!chan->opened)
259 return; 261 return;
260 262
261 if(delay_free_irq){ 263 if(delay_free_irq){
262 spin_lock_irq(&irqs_to_free_lock); 264 spin_lock_irqsave(&irqs_to_free_lock, flags);
263 list_add(&chan->free_list, &irqs_to_free); 265 list_add(&chan->free_list, &irqs_to_free);
264 spin_unlock_irq(&irqs_to_free_lock); 266 spin_unlock_irqrestore(&irqs_to_free_lock, flags);
265 } 267 }
266 else { 268 else {
267 if(chan->input) 269 if(chan->input)
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 178b2eff4a8c..65ad2932672c 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -615,6 +615,9 @@ void mconsole_remove(struct mc_request *req)
615 err_msg = NULL; 615 err_msg = NULL;
616 err = (*dev->remove)(n, &err_msg); 616 err = (*dev->remove)(n, &err_msg);
617 switch(err){ 617 switch(err){
618 case 0:
619 err_msg = "";
620 break;
618 case -ENODEV: 621 case -ENODEV:
619 if(err_msg == NULL) 622 if(err_msg == NULL)
620 err_msg = "Device doesn't exist"; 623 err_msg = "Device doesn't exist";
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index f98d26e51381..8bd9204ac1ab 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -109,10 +109,6 @@ static inline void ubd_set_bit(__u64 bit, unsigned char *data)
109 109
110static DEFINE_MUTEX(ubd_lock); 110static DEFINE_MUTEX(ubd_lock);
111 111
112/* XXX - this made sense in 2.4 days, now it's only used as a boolean, and
113 * probably it doesn't make sense even for that. */
114static int do_ubd;
115
116static int ubd_open(struct inode * inode, struct file * filp); 112static int ubd_open(struct inode * inode, struct file * filp);
117static int ubd_release(struct inode * inode, struct file * file); 113static int ubd_release(struct inode * inode, struct file * file);
118static int ubd_ioctl(struct inode * inode, struct file * file, 114static int ubd_ioctl(struct inode * inode, struct file * file,
@@ -169,6 +165,7 @@ struct ubd {
169 struct platform_device pdev; 165 struct platform_device pdev;
170 struct request_queue *queue; 166 struct request_queue *queue;
171 spinlock_t lock; 167 spinlock_t lock;
168 int active;
172}; 169};
173 170
174#define DEFAULT_COW { \ 171#define DEFAULT_COW { \
@@ -190,6 +187,7 @@ struct ubd {
190 .shared = 0, \ 187 .shared = 0, \
191 .cow = DEFAULT_COW, \ 188 .cow = DEFAULT_COW, \
192 .lock = SPIN_LOCK_UNLOCKED, \ 189 .lock = SPIN_LOCK_UNLOCKED, \
190 .active = 0, \
193} 191}
194 192
195/* Protected by ubd_lock */ 193/* Protected by ubd_lock */
@@ -507,7 +505,6 @@ static void ubd_handler(void)
507 struct ubd *dev; 505 struct ubd *dev;
508 int n; 506 int n;
509 507
510 do_ubd = 0;
511 n = os_read_file(thread_fd, &req, sizeof(req)); 508 n = os_read_file(thread_fd, &req, sizeof(req));
512 if(n != sizeof(req)){ 509 if(n != sizeof(req)){
513 printk(KERN_ERR "Pid %d - spurious interrupt in ubd_handler, " 510 printk(KERN_ERR "Pid %d - spurious interrupt in ubd_handler, "
@@ -517,6 +514,7 @@ static void ubd_handler(void)
517 514
518 rq = req.req; 515 rq = req.req;
519 dev = rq->rq_disk->private_data; 516 dev = rq->rq_disk->private_data;
517 dev->active = 0;
520 518
521 ubd_finish(rq, req.error); 519 ubd_finish(rq, req.error);
522 reactivate_fd(thread_fd, UBD_IRQ); 520 reactivate_fd(thread_fd, UBD_IRQ);
@@ -1081,11 +1079,12 @@ static void do_ubd_request(request_queue_t *q)
1081 } 1079 }
1082 } 1080 }
1083 else { 1081 else {
1084 if(do_ubd || (req = elv_next_request(q)) == NULL) 1082 struct ubd *dev = q->queuedata;
1083 if(dev->active || (req = elv_next_request(q)) == NULL)
1085 return; 1084 return;
1086 err = prepare_request(req, &io_req); 1085 err = prepare_request(req, &io_req);
1087 if(!err){ 1086 if(!err){
1088 do_ubd = 1; 1087 dev->active = 1;
1089 n = os_write_file(thread_fd, (char *) &io_req, 1088 n = os_write_file(thread_fd, (char *) &io_req,
1090 sizeof(io_req)); 1089 sizeof(io_req));
1091 if(n != sizeof(io_req)) 1090 if(n != sizeof(io_req))
diff --git a/arch/um/include/mconsole.h b/arch/um/include/mconsole.h
index 2666815b6af5..b282839c1625 100644
--- a/arch/um/include/mconsole.h
+++ b/arch/um/include/mconsole.h
@@ -12,6 +12,8 @@
12#define u32 uint32_t 12#define u32 uint32_t
13#endif 13#endif
14 14
15#include "sysdep/ptrace.h"
16
15#define MCONSOLE_MAGIC (0xcafebabe) 17#define MCONSOLE_MAGIC (0xcafebabe)
16#define MCONSOLE_MAX_DATA (512) 18#define MCONSOLE_MAX_DATA (512)
17#define MCONSOLE_VERSION 2 19#define MCONSOLE_VERSION 2
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index e85d65deea0d..df7d662b98ce 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -64,8 +64,6 @@ static void setup_highmem(unsigned long highmem_start,
64 64
65void mem_init(void) 65void mem_init(void)
66{ 66{
67 max_low_pfn = (high_physmem - uml_physmem) >> PAGE_SHIFT;
68
69 /* clear the zero-page */ 67 /* clear the zero-page */
70 memset((void *) empty_zero_page, 0, PAGE_SIZE); 68 memset((void *) empty_zero_page, 0, PAGE_SIZE);
71 69
@@ -80,6 +78,7 @@ void mem_init(void)
80 78
81 /* this will put all low memory onto the freelists */ 79 /* this will put all low memory onto the freelists */
82 totalram_pages = free_all_bootmem(); 80 totalram_pages = free_all_bootmem();
81 max_low_pfn = totalram_pages;
83#ifdef CONFIG_HIGHMEM 82#ifdef CONFIG_HIGHMEM
84 totalhigh_pages = highmem >> PAGE_SHIFT; 83 totalhigh_pages = highmem >> PAGE_SHIFT;
85 totalram_pages += totalhigh_pages; 84 totalram_pages += totalhigh_pages;
diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c
index 4a8b4202ef9e..a939a7ef0227 100644
--- a/arch/um/sys-i386/ldt.c
+++ b/arch/um/sys-i386/ldt.c
@@ -394,7 +394,8 @@ static short * host_ldt_entries = NULL;
394static void ldt_get_host_info(void) 394static void ldt_get_host_info(void)
395{ 395{
396 long ret; 396 long ret;
397 struct ldt_entry * ldt, *tmp; 397 struct ldt_entry * ldt;
398 short *tmp;
398 int i, size, k, order; 399 int i, size, k, order;
399 400
400 spin_lock(&host_ldt_lock); 401 spin_lock(&host_ldt_lock);
diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c
index 21d95b747437..489426682772 100644
--- a/arch/x86_64/kernel/i8259.c
+++ b/arch/x86_64/kernel/i8259.c
@@ -45,7 +45,7 @@
45 45
46/* 46/*
47 * ISA PIC or low IO-APIC triggered (INTA-cycle or APIC) interrupts: 47 * ISA PIC or low IO-APIC triggered (INTA-cycle or APIC) interrupts:
48 * (these are usually mapped to vectors 0x20-0x2f) 48 * (these are usually mapped to vectors 0x30-0x3f)
49 */ 49 */
50 50
51/* 51/*
@@ -299,7 +299,7 @@ void init_8259A(int auto_eoi)
299 * outb_p - this has to work on a wide range of PC hardware. 299 * outb_p - this has to work on a wide range of PC hardware.
300 */ 300 */
301 outb_p(0x11, 0x20); /* ICW1: select 8259A-1 init */ 301 outb_p(0x11, 0x20); /* ICW1: select 8259A-1 init */
302 outb_p(IRQ0_VECTOR, 0x21); /* ICW2: 8259A-1 IR0-7 mapped to 0x20-0x27 */ 302 outb_p(IRQ0_VECTOR, 0x21); /* ICW2: 8259A-1 IR0-7 mapped to 0x30-0x37 */
303 outb_p(0x04, 0x21); /* 8259A-1 (the master) has a slave on IR2 */ 303 outb_p(0x04, 0x21); /* 8259A-1 (the master) has a slave on IR2 */
304 if (auto_eoi) 304 if (auto_eoi)
305 outb_p(0x03, 0x21); /* master does Auto EOI */ 305 outb_p(0x03, 0x21); /* master does Auto EOI */
@@ -307,7 +307,7 @@ void init_8259A(int auto_eoi)
307 outb_p(0x01, 0x21); /* master expects normal EOI */ 307 outb_p(0x01, 0x21); /* master expects normal EOI */
308 308
309 outb_p(0x11, 0xA0); /* ICW1: select 8259A-2 init */ 309 outb_p(0x11, 0xA0); /* ICW1: select 8259A-2 init */
310 outb_p(IRQ8_VECTOR, 0xA1); /* ICW2: 8259A-2 IR0-7 mapped to 0x28-0x2f */ 310 outb_p(IRQ8_VECTOR, 0xA1); /* ICW2: 8259A-2 IR0-7 mapped to 0x38-0x3f */
311 outb_p(0x02, 0xA1); /* 8259A-2 is a slave on master's IR2 */ 311 outb_p(0x02, 0xA1); /* 8259A-2 is a slave on master's IR2 */
312 outb_p(0x01, 0xA1); /* (slave's support for AEOI in flat mode 312 outb_p(0x01, 0xA1); /* (slave's support for AEOI in flat mode
313 is to be investigated) */ 313 is to be investigated) */
diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index a66423121773..81afd1790a1d 100644
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -59,8 +59,12 @@ EXPORT_SYMBOL_GPL(scatterwalk_map);
59static void scatterwalk_pagedone(struct scatter_walk *walk, int out, 59static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
60 unsigned int more) 60 unsigned int more)
61{ 61{
62 if (out) 62 if (out) {
63 flush_dcache_page(scatterwalk_page(walk)); 63 struct page *page;
64
65 page = walk->sg->page + ((walk->offset - 1) >> PAGE_SHIFT);
66 flush_dcache_page(page);
67 }
64 68
65 if (more) { 69 if (more) {
66 walk->offset += PAGE_SIZE - 1; 70 walk->offset += PAGE_SIZE - 1;
@@ -91,7 +95,7 @@ void scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
91 memcpy_dir(buf, vaddr, len_this_page, out); 95 memcpy_dir(buf, vaddr, len_this_page, out);
92 scatterwalk_unmap(vaddr, out); 96 scatterwalk_unmap(vaddr, out);
93 97
94 scatterwalk_advance(walk, nbytes); 98 scatterwalk_advance(walk, len_this_page);
95 99
96 if (nbytes == len_this_page) 100 if (nbytes == len_this_page)
97 break; 101 break;
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 96792a6cc164..c3419182c9a7 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -42,7 +42,7 @@ static char *mps_inti_flags_trigger[] = { "dfl", "edge", "res", "level" };
42 42
43static struct acpi_table_desc initial_tables[ACPI_MAX_TABLES] __initdata; 43static struct acpi_table_desc initial_tables[ACPI_MAX_TABLES] __initdata;
44 44
45static int acpi_apic_instance __initdata = 2; 45static int acpi_apic_instance __initdata;
46 46
47void acpi_table_print_madt_entry(struct acpi_subtable_header *header) 47void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
48{ 48{
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index f1f595f53d95..ddb3909d7288 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3361,6 +3361,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
3361 { "FUJITSU MHT2060BH", NULL, ATA_HORKAGE_NONCQ }, 3361 { "FUJITSU MHT2060BH", NULL, ATA_HORKAGE_NONCQ },
3362 /* NCQ is broken */ 3362 /* NCQ is broken */
3363 { "Maxtor 6L250S0", "BANC1G10", ATA_HORKAGE_NONCQ }, 3363 { "Maxtor 6L250S0", "BANC1G10", ATA_HORKAGE_NONCQ },
3364 /* NCQ hard hangs device under heavier load, needs hard power cycle */
3365 { "Maxtor 6B250S0", "BANC1B70", ATA_HORKAGE_NONCQ },
3364 3366
3365 /* Devices with NCQ limits */ 3367 /* Devices with NCQ limits */
3366 3368
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 1214cbd17d86..082bfded3854 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -183,7 +183,14 @@ int driver_register(struct device_driver * drv)
183void driver_unregister(struct device_driver * drv) 183void driver_unregister(struct device_driver * drv)
184{ 184{
185 bus_remove_driver(drv); 185 bus_remove_driver(drv);
186 wait_for_completion(&drv->unloaded); 186 /*
187 * If the driver is a module, we are probably in
188 * the module unload path, and we want to wait
189 * for everything to unload before we can actually
190 * finish the unload.
191 */
192 if (drv->owner)
193 wait_for_completion(&drv->unloaded);
187} 194}
188 195
189/** 196/**
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 3429ece4ef92..d0c978fbc204 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -386,6 +386,39 @@ config AU1000_SERIAL_CONSOLE
386 If you have an Alchemy AU1000 processor (MIPS based) and you want 386 If you have an Alchemy AU1000 processor (MIPS based) and you want
387 to use a console on a serial port, say Y. Otherwise, say N. 387 to use a console on a serial port, say Y. Otherwise, say N.
388 388
389config SERIAL_DEC
390 bool "DECstation serial support"
391 depends on MACH_DECSTATION
392 default y
393 help
394 This selects whether you want to be asked about drivers for
395 DECstation serial ports.
396
397 Note that the answer to this question won't directly affect the
398 kernel: saying N will just cause the configurator to skip all
399 the questions about DECstation serial ports.
400
401config SERIAL_DEC_CONSOLE
402 bool "Support for console on a DECstation serial port"
403 depends on SERIAL_DEC
404 default y
405 help
406 If you say Y here, it will be possible to use a serial port as the
407 system console (the system console is the device which receives all
408 kernel messages and warnings and which allows logins in single user
409 mode). Note that the firmware uses ttyS0 as the serial console on
410 the Maxine and ttyS2 on the others.
411
412 If unsure, say Y.
413
414config ZS
415 bool "Z85C30 Serial Support"
416 depends on SERIAL_DEC
417 default y
418 help
419 Documentation on the Zilog 85C350 serial communications controller
420 is downloadable at <http://www.zilog.com/pdfs/serial/z85c30.pdf>
421
389config A2232 422config A2232
390 tristate "Commodore A2232 serial support (EXPERIMENTAL)" 423 tristate "Commodore A2232 serial support (EXPERIMENTAL)"
391 depends on EXPERIMENTAL && ZORRO && BROKEN_ON_SMP 424 depends on EXPERIMENTAL && ZORRO && BROKEN_ON_SMP
diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 63e51dd6debe..00e31609a238 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -54,7 +54,7 @@ MODULE_PARM_DESC(cidmode, "Call-ID mode");
54#define USB_SX353_PRODUCT_ID 0x0022 54#define USB_SX353_PRODUCT_ID 0x0022
55 55
56/* table of devices that work with this driver */ 56/* table of devices that work with this driver */
57static struct usb_device_id gigaset_table [] = { 57static const struct usb_device_id gigaset_table [] = {
58 { USB_DEVICE(USB_GIGA_VENDOR_ID, USB_3070_PRODUCT_ID) }, 58 { USB_DEVICE(USB_GIGA_VENDOR_ID, USB_3070_PRODUCT_ID) },
59 { USB_DEVICE(USB_GIGA_VENDOR_ID, USB_3075_PRODUCT_ID) }, 59 { USB_DEVICE(USB_GIGA_VENDOR_ID, USB_3075_PRODUCT_ID) },
60 { USB_DEVICE(USB_GIGA_VENDOR_ID, USB_SX303_PRODUCT_ID) }, 60 { USB_DEVICE(USB_GIGA_VENDOR_ID, USB_SX303_PRODUCT_ID) },
@@ -2305,7 +2305,7 @@ static void gigaset_disconnect(struct usb_interface *interface)
2305 gigaset_unassign(cs); 2305 gigaset_unassign(cs);
2306} 2306}
2307 2307
2308static struct gigaset_ops gigops = { 2308static const struct gigaset_ops gigops = {
2309 gigaset_write_cmd, 2309 gigaset_write_cmd,
2310 gigaset_write_room, 2310 gigaset_write_room,
2311 gigaset_chars_in_buffer, 2311 gigaset_chars_in_buffer,
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index b460a73a7c85..6df336bdd571 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -944,8 +944,8 @@ static DEFINE_SPINLOCK(driver_lock);
944struct cardstate *gigaset_get_cs_by_id(int id) 944struct cardstate *gigaset_get_cs_by_id(int id)
945{ 945{
946 unsigned long flags; 946 unsigned long flags;
947 static struct cardstate *ret = NULL; 947 struct cardstate *ret = NULL;
948 static struct cardstate *cs; 948 struct cardstate *cs;
949 struct gigaset_driver *drv; 949 struct gigaset_driver *drv;
950 unsigned i; 950 unsigned i;
951 951
@@ -999,7 +999,7 @@ void gigaset_debugdrivers(void)
999static struct cardstate *gigaset_get_cs_by_minor(unsigned minor) 999static struct cardstate *gigaset_get_cs_by_minor(unsigned minor)
1000{ 1000{
1001 unsigned long flags; 1001 unsigned long flags;
1002 static struct cardstate *ret = NULL; 1002 struct cardstate *ret = NULL;
1003 struct gigaset_driver *drv; 1003 struct gigaset_driver *drv;
1004 unsigned index; 1004 unsigned index;
1005 1005
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index 4661e2c722bc..cec1ef342fcc 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -409,7 +409,7 @@ static struct reply_t tab_cid[] = /* no dle mode */ //FIXME
409}; 409};
410#endif 410#endif
411 411
412static struct resp_type_t resp_type[]= 412static const struct resp_type_t resp_type[] =
413{ 413{
414 /*{"", RSP_EMPTY, RT_NOTHING},*/ 414 /*{"", RSP_EMPTY, RT_NOTHING},*/
415 {"OK", RSP_OK, RT_NOTHING}, 415 {"OK", RSP_OK, RT_NOTHING},
@@ -511,7 +511,7 @@ void gigaset_handle_modem_response(struct cardstate *cs)
511 unsigned char *argv[MAX_REC_PARAMS + 1]; 511 unsigned char *argv[MAX_REC_PARAMS + 1];
512 int params; 512 int params;
513 int i, j; 513 int i, j;
514 struct resp_type_t *rt; 514 const struct resp_type_t *rt;
515 int curarg; 515 int curarg;
516 unsigned long flags; 516 unsigned long flags;
517 unsigned next, tail, head; 517 unsigned next, tail, head;
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index 8c0eb522dab1..e0505f238807 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -274,7 +274,7 @@ static inline void dump_bytes(enum debuglevel level, const char *tag,
274 * bit 12..10 = number of trailing '1' bits in result 274 * bit 12..10 = number of trailing '1' bits in result
275 * bit 14..13 = number of bits added by stuffing 275 * bit 14..13 = number of bits added by stuffing
276 */ 276 */
277static u16 stufftab[5 * 256] = { 277static const u16 stufftab[5 * 256] = {
278// previous 1s = 0: 278// previous 1s = 0:
279 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 279 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
280 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x201f, 280 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017, 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x201f,
@@ -629,7 +629,7 @@ static inline void hdlc_frag(struct bc_state *bcs, unsigned inbits)
629 * (replacing 8 by 7 to make it fit; the algorithm won't care) 629 * (replacing 8 by 7 to make it fit; the algorithm won't care)
630 * bit 7 set if there are 5 or more "interior" consecutive '1' bits 630 * bit 7 set if there are 5 or more "interior" consecutive '1' bits
631 */ 631 */
632static unsigned char bitcounts[256] = { 632static const unsigned char bitcounts[256] = {
633 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x04, 633 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x04,
634 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x05, 634 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x05,
635 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x04, 635 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x04,
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index c8b7db65e48f..ea44302e6e7e 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -459,7 +459,7 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
459 return -EINVAL; 459 return -EINVAL;
460} 460}
461 461
462static struct gigaset_ops ops = { 462static const struct gigaset_ops ops = {
463 gigaset_write_cmd, 463 gigaset_write_cmd,
464 gigaset_write_room, 464 gigaset_write_room,
465 gigaset_chars_in_buffer, 465 gigaset_chars_in_buffer,
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index 04f2ad7ba8b0..2baef349c12d 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -50,7 +50,7 @@ MODULE_PARM_DESC(cidmode, "Call-ID mode");
50#define USB_M105_PRODUCT_ID 0x0009 50#define USB_M105_PRODUCT_ID 0x0009
51 51
52/* table of devices that work with this driver */ 52/* table of devices that work with this driver */
53static struct usb_device_id gigaset_table [] = { 53static const struct usb_device_id gigaset_table [] = {
54 { USB_DEVICE(USB_M105_VENDOR_ID, USB_M105_PRODUCT_ID) }, 54 { USB_DEVICE(USB_M105_VENDOR_ID, USB_M105_PRODUCT_ID) },
55 { } /* Terminating entry */ 55 { } /* Terminating entry */
56}; 56};
@@ -860,7 +860,7 @@ static void gigaset_disconnect(struct usb_interface *interface)
860 gigaset_unassign(cs); 860 gigaset_unassign(cs);
861} 861}
862 862
863static struct gigaset_ops ops = { 863static const struct gigaset_ops ops = {
864 gigaset_write_cmd, 864 gigaset_write_cmd,
865 gigaset_write_room, 865 gigaset_write_room,
866 gigaset_chars_in_buffer, 866 gigaset_chars_in_buffer,
diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c
index dee3638ad744..8606eac5bec8 100644
--- a/drivers/net/atl1/atl1_main.c
+++ b/drivers/net/atl1/atl1_main.c
@@ -2320,6 +2320,16 @@ static void __devexit atl1_remove(struct pci_dev *pdev)
2320 return; 2320 return;
2321 2321
2322 adapter = netdev_priv(netdev); 2322 adapter = netdev_priv(netdev);
2323
2324 /* Some atl1 boards lack persistent storage for their MAC, and get it
2325 * from the BIOS during POST. If we've been messing with the MAC
2326 * address, we need to save the permanent one.
2327 */
2328 if (memcmp(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, ETH_ALEN)) {
2329 memcpy(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, ETH_ALEN);
2330 atl1_set_mac_addr(&adapter->hw);
2331 }
2332
2323 iowrite16(0, adapter->hw.hw_addr + REG_GPHY_ENABLE); 2333 iowrite16(0, adapter->hw.hw_addr + REG_GPHY_ENABLE);
2324 unregister_netdev(netdev); 2334 unregister_netdev(netdev);
2325 pci_iounmap(pdev, adapter->hw.hw_addr); 2335 pci_iounmap(pdev, adapter->hw.hw_addr);
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index c12e5ea61819..d43fe2863095 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -54,8 +54,8 @@
54 54
55#define DRV_MODULE_NAME "bnx2" 55#define DRV_MODULE_NAME "bnx2"
56#define PFX DRV_MODULE_NAME ": " 56#define PFX DRV_MODULE_NAME ": "
57#define DRV_MODULE_VERSION "1.5.5" 57#define DRV_MODULE_VERSION "1.5.6"
58#define DRV_MODULE_RELDATE "February 1, 2007" 58#define DRV_MODULE_RELDATE "March 28, 2007"
59 59
60#define RUN_AT(x) (jiffies + (x)) 60#define RUN_AT(x) (jiffies + (x))
61 61
@@ -2033,8 +2033,8 @@ bnx2_has_work(struct bnx2 *bp)
2033 (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)) 2033 (sblk->status_tx_quick_consumer_index0 != bp->hw_tx_cons))
2034 return 1; 2034 return 1;
2035 2035
2036 if (((sblk->status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) != 0) != 2036 if ((sblk->status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) !=
2037 bp->link_up) 2037 (sblk->status_attn_bits_ack & STATUS_ATTN_BITS_LINK_STATE))
2038 return 1; 2038 return 1;
2039 2039
2040 return 0; 2040 return 0;
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index ca2b21f9d444..07b4c0d7a75c 100644
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -96,17 +96,24 @@ static void ri_tasklet(unsigned long dev)
96 skb->tc_verd = SET_TC_NCLS(skb->tc_verd); 96 skb->tc_verd = SET_TC_NCLS(skb->tc_verd);
97 stats->tx_packets++; 97 stats->tx_packets++;
98 stats->tx_bytes +=skb->len; 98 stats->tx_bytes +=skb->len;
99
100 skb->dev = __dev_get_by_index(skb->iif);
101 if (!skb->dev) {
102 dev_kfree_skb(skb);
103 stats->tx_dropped++;
104 break;
105 }
106 skb->iif = _dev->ifindex;
107
99 if (from & AT_EGRESS) { 108 if (from & AT_EGRESS) {
100 dp->st_rx_frm_egr++; 109 dp->st_rx_frm_egr++;
101 dev_queue_xmit(skb); 110 dev_queue_xmit(skb);
102 } else if (from & AT_INGRESS) { 111 } else if (from & AT_INGRESS) {
103
104 dp->st_rx_frm_ing++; 112 dp->st_rx_frm_ing++;
113 skb_pull(skb, skb->dev->hard_header_len);
105 netif_rx(skb); 114 netif_rx(skb);
106 } else { 115 } else
107 dev_kfree_skb(skb); 116 BUG();
108 stats->tx_dropped++;
109 }
110 } 117 }
111 118
112 if (netif_tx_trylock(_dev)) { 119 if (netif_tx_trylock(_dev)) {
@@ -157,26 +164,10 @@ static int ifb_xmit(struct sk_buff *skb, struct net_device *dev)
157 stats->rx_packets++; 164 stats->rx_packets++;
158 stats->rx_bytes+=skb->len; 165 stats->rx_bytes+=skb->len;
159 166
160 if (!from || !skb->input_dev) { 167 if (!(from & (AT_INGRESS|AT_EGRESS)) || !skb->iif) {
161dropped:
162 dev_kfree_skb(skb); 168 dev_kfree_skb(skb);
163 stats->rx_dropped++; 169 stats->rx_dropped++;
164 return ret; 170 return ret;
165 } else {
166 /*
167 * note we could be going
168 * ingress -> egress or
169 * egress -> ingress
170 */
171 skb->dev = skb->input_dev;
172 skb->input_dev = dev;
173 if (from & AT_INGRESS) {
174 skb_pull(skb, skb->dev->hard_header_len);
175 } else {
176 if (!(from & AT_EGRESS)) {
177 goto dropped;
178 }
179 }
180 } 171 }
181 172
182 if (skb_queue_len(&dp->rq) >= dev->tx_queue_len) { 173 if (skb_queue_len(&dp->rq) >= dev->tx_queue_len) {
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 229aa1c4fb79..eff965dc5fff 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -438,6 +438,7 @@ do_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
438 438
439 for (addridx = addr; addridx < (addr + size); addridx += 4) { 439 for (addridx = addr; addridx < (addr + size); addridx += 4) {
440 ret = do_rom_fast_read(adapter, addridx, (int *)bytes); 440 ret = do_rom_fast_read(adapter, addridx, (int *)bytes);
441 *(int *)bytes = cpu_to_le32(*(int *)bytes);
441 if (ret != 0) 442 if (ret != 0)
442 break; 443 break;
443 bytes += 4; 444 bytes += 4;
@@ -497,7 +498,7 @@ static inline int do_rom_fast_write_words(struct netxen_adapter *adapter,
497 int timeout = 0; 498 int timeout = 0;
498 int data; 499 int data;
499 500
500 data = *(u32*)bytes; 501 data = le32_to_cpu((*(u32*)bytes));
501 502
502 ret = do_rom_fast_write(adapter, addridx, data); 503 ret = do_rom_fast_write(adapter, addridx, data);
503 if (ret < 0) 504 if (ret < 0)
diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c
index b08508b35833..34463ce6f132 100644
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c
@@ -324,6 +324,7 @@ static struct mii_chip_info {
324 u32 feature; 324 u32 feature;
325} mii_chip_table[] = { 325} mii_chip_table[] = {
326 { "Broadcom PHY BCM5461", { 0x0020, 0x60c0 }, LAN, F_PHY_BCM5461 }, 326 { "Broadcom PHY BCM5461", { 0x0020, 0x60c0 }, LAN, F_PHY_BCM5461 },
327 { "Broadcom PHY AC131", { 0x0143, 0xbc70 }, LAN, 0 },
327 { "Agere PHY ET1101B", { 0x0282, 0xf010 }, LAN, 0 }, 328 { "Agere PHY ET1101B", { 0x0282, 0xf010 }, LAN, 0 },
328 { "Marvell PHY 88E1111", { 0x0141, 0x0cc0 }, LAN, F_PHY_88E1111 }, 329 { "Marvell PHY 88E1111", { 0x0141, 0x0cc0 }, LAN, F_PHY_88E1111 },
329 { "Realtek PHY RTL8201", { 0x0000, 0x8200 }, LAN, 0 }, 330 { "Realtek PHY RTL8201", { 0x0000, 0x8200 }, LAN, 0 },
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 9baf69773ed1..fd301a910122 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -20,7 +20,6 @@
20#include "hostfs.h" 20#include "hostfs.h"
21#include "kern_util.h" 21#include "kern_util.h"
22#include "kern.h" 22#include "kern.h"
23#include "user_util.h"
24#include "init.h" 23#include "init.h"
25 24
26struct hostfs_inode_info { 25struct hostfs_inode_info {
@@ -939,7 +938,7 @@ static const struct address_space_operations hostfs_link_aops = {
939static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent) 938static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)
940{ 939{
941 struct inode *root_inode; 940 struct inode *root_inode;
942 char *name, *data = d; 941 char *host_root_path, *req_root = d;
943 int err; 942 int err;
944 943
945 sb->s_blocksize = 1024; 944 sb->s_blocksize = 1024;
@@ -948,16 +947,16 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)
948 sb->s_op = &hostfs_sbops; 947 sb->s_op = &hostfs_sbops;
949 948
950 /* NULL is printed as <NULL> by sprintf: avoid that. */ 949 /* NULL is printed as <NULL> by sprintf: avoid that. */
951 if (data == NULL) 950 if (req_root == NULL)
952 data = ""; 951 req_root = "";
953 952
954 err = -ENOMEM; 953 err = -ENOMEM;
955 name = kmalloc(strlen(root_ino) + 1 954 host_root_path = kmalloc(strlen(root_ino) + 1
956 + strlen(data) + 1, GFP_KERNEL); 955 + strlen(req_root) + 1, GFP_KERNEL);
957 if(name == NULL) 956 if(host_root_path == NULL)
958 goto out; 957 goto out;
959 958
960 sprintf(name, "%s/%s", root_ino, data); 959 sprintf(host_root_path, "%s/%s", root_ino, req_root);
961 960
962 root_inode = iget(sb, 0); 961 root_inode = iget(sb, 0);
963 if(root_inode == NULL) 962 if(root_inode == NULL)
@@ -967,10 +966,10 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)
967 if(err) 966 if(err)
968 goto out_put; 967 goto out_put;
969 968
970 HOSTFS_I(root_inode)->host_filename = name; 969 HOSTFS_I(root_inode)->host_filename = host_root_path;
971 /* Avoid that in the error path, iput(root_inode) frees again name through 970 /* Avoid that in the error path, iput(root_inode) frees again
972 * hostfs_destroy_inode! */ 971 * host_root_path through hostfs_destroy_inode! */
973 name = NULL; 972 host_root_path = NULL;
974 973
975 err = -ENOMEM; 974 err = -ENOMEM;
976 sb->s_root = d_alloc_root(root_inode); 975 sb->s_root = d_alloc_root(root_inode);
@@ -990,7 +989,7 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent)
990 out_put: 989 out_put:
991 iput(root_inode); 990 iput(root_inode);
992 out_free: 991 out_free:
993 kfree(name); 992 kfree(host_root_path);
994 out: 993 out:
995 return(err); 994 return(err);
996} 995}
diff --git a/fs/splice.c b/fs/splice.c
index 07f6556add0a..5428b0ff3b6f 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -627,18 +627,25 @@ find_page:
627 } 627 }
628 628
629 ret = mapping->a_ops->commit_write(file, page, offset, offset+this_len); 629 ret = mapping->a_ops->commit_write(file, page, offset, offset+this_len);
630 if (!ret) { 630 if (ret) {
631 if (ret == AOP_TRUNCATED_PAGE) {
632 page_cache_release(page);
633 goto find_page;
634 }
635 if (ret < 0)
636 goto out;
631 /* 637 /*
632 * Return the number of bytes written and mark page as 638 * Partial write has happened, so 'ret' already initialized by
633 * accessed, we are now done! 639 * number of bytes written, Where is nothing we have to do here.
634 */ 640 */
641 } else
635 ret = this_len; 642 ret = this_len;
636 mark_page_accessed(page); 643 /*
637 balance_dirty_pages_ratelimited(mapping); 644 * Return the number of bytes written and mark page as
638 } else if (ret == AOP_TRUNCATED_PAGE) { 645 * accessed, we are now done!
639 page_cache_release(page); 646 */
640 goto find_page; 647 mark_page_accessed(page);
641 } 648 balance_dirty_pages_ratelimited(mapping);
642out: 649out:
643 page_cache_release(page); 650 page_cache_release(page);
644 unlock_page(page); 651 unlock_page(page);
diff --git a/include/asm-mips/irqflags.h b/include/asm-mips/irqflags.h
index af3b07dfad4b..e459fa05db83 100644
--- a/include/asm-mips/irqflags.h
+++ b/include/asm-mips/irqflags.h
@@ -13,29 +13,9 @@
13 13
14#ifndef __ASSEMBLY__ 14#ifndef __ASSEMBLY__
15 15
16#include <linux/compiler.h>
16#include <asm/hazards.h> 17#include <asm/hazards.h>
17 18
18/*
19 * CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY does prompt replay of deferred IPIs,
20 * at the cost of branch and call overhead on each local_irq_restore()
21 */
22
23#ifdef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY
24
25extern void smtc_ipi_replay(void);
26
27#define irq_restore_epilog(flags) \
28do { \
29 if (!(flags & 0x0400)) \
30 smtc_ipi_replay(); \
31} while (0)
32
33#else
34
35#define irq_restore_epilog(ignore) do { } while (0)
36
37#endif /* CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY */
38
39__asm__ ( 19__asm__ (
40 " .macro raw_local_irq_enable \n" 20 " .macro raw_local_irq_enable \n"
41 " .set push \n" 21 " .set push \n"
@@ -205,17 +185,28 @@ __asm__ (
205 " .set pop \n" 185 " .set pop \n"
206 " .endm \n"); 186 " .endm \n");
207 187
208#define raw_local_irq_restore(flags) \ 188extern void smtc_ipi_replay(void);
209do { \ 189
210 unsigned long __tmp1; \ 190static inline void raw_local_irq_restore(unsigned long flags)
211 \ 191{
212 __asm__ __volatile__( \ 192 unsigned long __tmp1;
213 "raw_local_irq_restore\t%0" \ 193
214 : "=r" (__tmp1) \ 194#ifdef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY
215 : "0" (flags) \ 195 /*
216 : "memory"); \ 196 * CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY does prompt replay of deferred
217 irq_restore_epilog(flags); \ 197 * IPIs, at the cost of branch and call overhead on each
218} while(0) 198 * local_irq_restore()
199 */
200 if (unlikely(!(flags & 0x0400)))
201 smtc_ipi_replay();
202#endif
203
204 __asm__ __volatile__(
205 "raw_local_irq_restore\t%0"
206 : "=r" (__tmp1)
207 : "0" (flags)
208 : "memory");
209}
219 210
220static inline int raw_irqs_disabled_flags(unsigned long flags) 211static inline int raw_irqs_disabled_flags(unsigned long flags)
221{ 212{
diff --git a/include/asm-mips/marvell.h b/include/asm-mips/marvell.h
index df94955b098a..b6144bafc565 100644
--- a/include/asm-mips/marvell.h
+++ b/include/asm-mips/marvell.h
@@ -54,5 +54,6 @@ struct mv_pci_controller {
54}; 54};
55 55
56extern void ll_mv64340_irq(void); 56extern void ll_mv64340_irq(void);
57extern void mv64340_irq_init(unsigned int base);
57 58
58#endif /* __ASM_MIPS_MARVELL_H */ 59#endif /* __ASM_MIPS_MARVELL_H */
diff --git a/include/asm-mips/smtc_ipi.h b/include/asm-mips/smtc_ipi.h
index 360ea6d250c7..a52a4a7a36e0 100644
--- a/include/asm-mips/smtc_ipi.h
+++ b/include/asm-mips/smtc_ipi.h
@@ -65,12 +65,10 @@ static inline void smtc_ipi_nq(struct smtc_ipi_q *q, struct smtc_ipi *p)
65 spin_unlock_irqrestore(&q->lock, flags); 65 spin_unlock_irqrestore(&q->lock, flags);
66} 66}
67 67
68static inline struct smtc_ipi *smtc_ipi_dq(struct smtc_ipi_q *q) 68static inline struct smtc_ipi *__smtc_ipi_dq(struct smtc_ipi_q *q)
69{ 69{
70 struct smtc_ipi *p; 70 struct smtc_ipi *p;
71 long flags;
72 71
73 spin_lock_irqsave(&q->lock, flags);
74 if (q->head == NULL) 72 if (q->head == NULL)
75 p = NULL; 73 p = NULL;
76 else { 74 else {
@@ -81,7 +79,19 @@ static inline struct smtc_ipi *smtc_ipi_dq(struct smtc_ipi_q *q)
81 if (q->head == NULL) 79 if (q->head == NULL)
82 q->tail = NULL; 80 q->tail = NULL;
83 } 81 }
82
83 return p;
84}
85
86static inline struct smtc_ipi *smtc_ipi_dq(struct smtc_ipi_q *q)
87{
88 unsigned long flags;
89 struct smtc_ipi *p;
90
91 spin_lock_irqsave(&q->lock, flags);
92 p = __smtc_ipi_dq(q);
84 spin_unlock_irqrestore(&q->lock, flags); 93 spin_unlock_irqrestore(&q->lock, flags);
94
85 return p; 95 return p;
86} 96}
87 97
diff --git a/include/asm-powerpc/immap_qe.h b/include/asm-powerpc/immap_qe.h
index 9fdd0491f6a3..1020b7fc0129 100644
--- a/include/asm-powerpc/immap_qe.h
+++ b/include/asm-powerpc/immap_qe.h
@@ -258,8 +258,9 @@ struct ucc_slow {
258 u8 uccs; /* UCCx status register */ 258 u8 uccs; /* UCCx status register */
259 u8 res3[0x24]; 259 u8 res3[0x24];
260 __be16 utpt; 260 __be16 utpt;
261 u8 res4[0x52];
261 u8 guemr; /* UCC general extended mode register */ 262 u8 guemr; /* UCC general extended mode register */
262 u8 res4[0x200 - 0x091]; 263 u8 res5[0x200 - 0x091];
263} __attribute__ ((packed)); 264} __attribute__ ((packed));
264 265
265/* QE UCC Fast */ 266/* QE UCC Fast */
diff --git a/include/asm-um/common.lds.S b/include/asm-um/common.lds.S
index b16222b42821..f5de80c31e88 100644
--- a/include/asm-um/common.lds.S
+++ b/include/asm-um/common.lds.S
@@ -15,7 +15,7 @@
15 PROVIDE (_unprotected_end = .); 15 PROVIDE (_unprotected_end = .);
16 16
17 . = ALIGN(4096); 17 . = ALIGN(4096);
18 .note : { *(note.*) } 18 .note : { *(.note.*) }
19 __start___ex_table = .; 19 __start___ex_table = .;
20 __ex_table : { *(__ex_table) } 20 __ex_table : { *(__ex_table) }
21 __stop___ex_table = .; 21 __stop___ex_table = .;
diff --git a/include/asm-um/pgtable-2level.h b/include/asm-um/pgtable-2level.h
index 6050e0eb257e..172a75fde512 100644
--- a/include/asm-um/pgtable-2level.h
+++ b/include/asm-um/pgtable-2level.h
@@ -45,12 +45,12 @@ static inline void pgd_mkuptodate(pgd_t pgd) { }
45 ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) 45 ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
46 46
47/* 47/*
48 * Bits 0 through 3 are taken 48 * Bits 0 through 4 are taken
49 */ 49 */
50#define PTE_FILE_MAX_BITS 28 50#define PTE_FILE_MAX_BITS 27
51 51
52#define pte_to_pgoff(pte) (pte_val(pte) >> 4) 52#define pte_to_pgoff(pte) (pte_val(pte) >> 5)
53 53
54#define pgoff_to_pte(off) ((pte_t) { ((off) << 4) + _PAGE_FILE }) 54#define pgoff_to_pte(off) ((pte_t) { ((off) << 5) + _PAGE_FILE })
55 55
56#endif 56#endif
diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index 2e4b7a5ed1c4..6153ae5df2e8 100644
--- a/include/asm-x86_64/hw_irq.h
+++ b/include/asm-x86_64/hw_irq.h
@@ -38,7 +38,7 @@
38#define IRQ_MOVE_CLEANUP_VECTOR FIRST_EXTERNAL_VECTOR 38#define IRQ_MOVE_CLEANUP_VECTOR FIRST_EXTERNAL_VECTOR
39 39
40/* 40/*
41 * Vectors 0x20-0x2f are used for ISA interrupts. 41 * Vectors 0x30-0x3f are used for ISA interrupts.
42 */ 42 */
43#define IRQ0_VECTOR FIRST_EXTERNAL_VECTOR + 0x10 43#define IRQ0_VECTOR FIRST_EXTERNAL_VECTOR + 0x10
44#define IRQ1_VECTOR IRQ0_VECTOR + 1 44#define IRQ1_VECTOR IRQ0_VECTOR + 1
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 4ff3940210d8..82f43ad478c7 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -188,7 +188,7 @@ enum {
188 * @sk: Socket we are owned by 188 * @sk: Socket we are owned by
189 * @tstamp: Time we arrived 189 * @tstamp: Time we arrived
190 * @dev: Device we arrived on/are leaving by 190 * @dev: Device we arrived on/are leaving by
191 * @input_dev: Device we arrived on 191 * @iif: ifindex of device we arrived on
192 * @h: Transport layer header 192 * @h: Transport layer header
193 * @nh: Network layer header 193 * @nh: Network layer header
194 * @mac: Link layer header 194 * @mac: Link layer header
@@ -235,7 +235,8 @@ struct sk_buff {
235 struct sock *sk; 235 struct sock *sk;
236 struct skb_timeval tstamp; 236 struct skb_timeval tstamp;
237 struct net_device *dev; 237 struct net_device *dev;
238 struct net_device *input_dev; 238 int iif;
239 /* 4 byte hole on 64 bit*/
239 240
240 union { 241 union {
241 struct tcphdr *th; 242 struct tcphdr *th;
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index b902d24a3256..02647fe3d74b 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -352,10 +352,13 @@ tcf_change_indev(struct tcf_proto *tp, char *indev, struct rtattr *indev_tlv)
352static inline int 352static inline int
353tcf_match_indev(struct sk_buff *skb, char *indev) 353tcf_match_indev(struct sk_buff *skb, char *indev)
354{ 354{
355 struct net_device *dev;
356
355 if (indev[0]) { 357 if (indev[0]) {
356 if (!skb->input_dev) 358 if (!skb->iif)
357 return 0; 359 return 0;
358 if (strcmp(indev, skb->input_dev->name)) 360 dev = __dev_get_by_index(skb->iif);
361 if (!dev || strcmp(indev, dev->name))
359 return 0; 362 return 0;
360 } 363 }
361 364
diff --git a/kernel/exit.c b/kernel/exit.c
index f132349c0325..b55ed4cc9104 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -790,7 +790,7 @@ static void exit_notify(struct task_struct *tsk)
790 790
791 pgrp = task_pgrp(tsk); 791 pgrp = task_pgrp(tsk);
792 if ((task_pgrp(t) != pgrp) && 792 if ((task_pgrp(t) != pgrp) &&
793 (task_session(t) != task_session(tsk)) && 793 (task_session(t) == task_session(tsk)) &&
794 will_become_orphaned_pgrp(pgrp, tsk) && 794 will_become_orphaned_pgrp(pgrp, tsk) &&
795 has_stopped_jobs(pgrp)) { 795 has_stopped_jobs(pgrp)) {
796 __kill_pgrp_info(SIGHUP, SEND_SIG_PRIV, pgrp); 796 __kill_pgrp_info(SIGHUP, SEND_SIG_PRIV, pgrp);
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index 9dd9fbb75139..cbb335813ec0 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -17,6 +17,29 @@
17#include "filemap.h" 17#include "filemap.h"
18 18
19/* 19/*
20 * We do use our own empty page to avoid interference with other users
21 * of ZERO_PAGE(), such as /dev/zero
22 */
23static struct page *__xip_sparse_page;
24
25static struct page *xip_sparse_page(void)
26{
27 if (!__xip_sparse_page) {
28 unsigned long zeroes = get_zeroed_page(GFP_HIGHUSER);
29 if (zeroes) {
30 static DEFINE_SPINLOCK(xip_alloc_lock);
31 spin_lock(&xip_alloc_lock);
32 if (!__xip_sparse_page)
33 __xip_sparse_page = virt_to_page(zeroes);
34 else
35 free_page(zeroes);
36 spin_unlock(&xip_alloc_lock);
37 }
38 }
39 return __xip_sparse_page;
40}
41
42/*
20 * This is a file read routine for execute in place files, and uses 43 * This is a file read routine for execute in place files, and uses
21 * the mapping->a_ops->get_xip_page() function for the actual low-level 44 * the mapping->a_ops->get_xip_page() function for the actual low-level
22 * stuff. 45 * stuff.
@@ -162,7 +185,7 @@ EXPORT_SYMBOL_GPL(xip_file_sendfile);
162 * xip_write 185 * xip_write
163 * 186 *
164 * This function walks all vmas of the address_space and unmaps the 187 * This function walks all vmas of the address_space and unmaps the
165 * ZERO_PAGE when found at pgoff. Should it go in rmap.c? 188 * __xip_sparse_page when found at pgoff.
166 */ 189 */
167static void 190static void
168__xip_unmap (struct address_space * mapping, 191__xip_unmap (struct address_space * mapping,
@@ -177,13 +200,16 @@ __xip_unmap (struct address_space * mapping,
177 spinlock_t *ptl; 200 spinlock_t *ptl;
178 struct page *page; 201 struct page *page;
179 202
203 page = __xip_sparse_page;
204 if (!page)
205 return;
206
180 spin_lock(&mapping->i_mmap_lock); 207 spin_lock(&mapping->i_mmap_lock);
181 vma_prio_tree_foreach(vma, &iter, &mapping->i_mmap, pgoff, pgoff) { 208 vma_prio_tree_foreach(vma, &iter, &mapping->i_mmap, pgoff, pgoff) {
182 mm = vma->vm_mm; 209 mm = vma->vm_mm;
183 address = vma->vm_start + 210 address = vma->vm_start +
184 ((pgoff - vma->vm_pgoff) << PAGE_SHIFT); 211 ((pgoff - vma->vm_pgoff) << PAGE_SHIFT);
185 BUG_ON(address < vma->vm_start || address >= vma->vm_end); 212 BUG_ON(address < vma->vm_start || address >= vma->vm_end);
186 page = ZERO_PAGE(0);
187 pte = page_check_address(page, mm, address, &ptl); 213 pte = page_check_address(page, mm, address, &ptl);
188 if (pte) { 214 if (pte) {
189 /* Nuke the page table entry. */ 215 /* Nuke the page table entry. */
@@ -222,16 +248,14 @@ xip_file_nopage(struct vm_area_struct * area,
222 + area->vm_pgoff; 248 + area->vm_pgoff;
223 249
224 size = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; 250 size = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
225 if (pgoff >= size) { 251 if (pgoff >= size)
226 return NULL; 252 return NOPAGE_SIGBUS;
227 }
228 253
229 page = mapping->a_ops->get_xip_page(mapping, pgoff*(PAGE_SIZE/512), 0); 254 page = mapping->a_ops->get_xip_page(mapping, pgoff*(PAGE_SIZE/512), 0);
230 if (!IS_ERR(page)) { 255 if (!IS_ERR(page))
231 goto out; 256 goto out;
232 }
233 if (PTR_ERR(page) != -ENODATA) 257 if (PTR_ERR(page) != -ENODATA)
234 return NULL; 258 return NOPAGE_SIGBUS;
235 259
236 /* sparse block */ 260 /* sparse block */
237 if ((area->vm_flags & (VM_WRITE | VM_MAYWRITE)) && 261 if ((area->vm_flags & (VM_WRITE | VM_MAYWRITE)) &&
@@ -241,12 +265,14 @@ xip_file_nopage(struct vm_area_struct * area,
241 page = mapping->a_ops->get_xip_page (mapping, 265 page = mapping->a_ops->get_xip_page (mapping,
242 pgoff*(PAGE_SIZE/512), 1); 266 pgoff*(PAGE_SIZE/512), 1);
243 if (IS_ERR(page)) 267 if (IS_ERR(page))
244 return NULL; 268 return NOPAGE_SIGBUS;
245 /* unmap page at pgoff from all other vmas */ 269 /* unmap page at pgoff from all other vmas */
246 __xip_unmap(mapping, pgoff); 270 __xip_unmap(mapping, pgoff);
247 } else { 271 } else {
248 /* not shared and writable, use ZERO_PAGE() */ 272 /* not shared and writable, use xip_sparse_page() */
249 page = ZERO_PAGE(0); 273 page = xip_sparse_page();
274 if (!page)
275 return NOPAGE_OOM;
250 } 276 }
251 277
252out: 278out:
diff --git a/mm/madvise.c b/mm/madvise.c
index 77916e9fc52b..603c5257ed6e 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -159,9 +159,10 @@ static long madvise_remove(struct vm_area_struct *vma,
159 unsigned long start, unsigned long end) 159 unsigned long start, unsigned long end)
160{ 160{
161 struct address_space *mapping; 161 struct address_space *mapping;
162 loff_t offset, endoff; 162 loff_t offset, endoff;
163 int error;
163 164
164 *prev = vma; 165 *prev = NULL; /* tell sys_madvise we drop mmap_sem */
165 166
166 if (vma->vm_flags & (VM_LOCKED|VM_NONLINEAR|VM_HUGETLB)) 167 if (vma->vm_flags & (VM_LOCKED|VM_NONLINEAR|VM_HUGETLB))
167 return -EINVAL; 168 return -EINVAL;
@@ -180,7 +181,12 @@ static long madvise_remove(struct vm_area_struct *vma,
180 + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); 181 + ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
181 endoff = (loff_t)(end - vma->vm_start - 1) 182 endoff = (loff_t)(end - vma->vm_start - 1)
182 + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); 183 + ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
183 return vmtruncate_range(mapping->host, offset, endoff); 184
185 /* vmtruncate_range needs to take i_mutex and i_alloc_sem */
186 up_write(&current->mm->mmap_sem);
187 error = vmtruncate_range(mapping->host, offset, endoff);
188 down_write(&current->mm->mmap_sem);
189 return error;
184} 190}
185 191
186static long 192static long
@@ -315,12 +321,15 @@ asmlinkage long sys_madvise(unsigned long start, size_t len_in, int behavior)
315 if (error) 321 if (error)
316 goto out; 322 goto out;
317 start = tmp; 323 start = tmp;
318 if (start < prev->vm_end) 324 if (prev && start < prev->vm_end)
319 start = prev->vm_end; 325 start = prev->vm_end;
320 error = unmapped_error; 326 error = unmapped_error;
321 if (start >= end) 327 if (start >= end)
322 goto out; 328 goto out;
323 vma = prev->vm_next; 329 if (prev)
330 vma = prev->vm_next;
331 else /* madvise_remove dropped mmap_sem */
332 vma = find_vma(current->mm, start);
324 } 333 }
325out: 334out:
326 up_write(&current->mm->mmap_sem); 335 up_write(&current->mm->mmap_sem);
diff --git a/mm/shmem.c b/mm/shmem.c
index b8c429a2d271..b2a35ebf071a 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -402,26 +402,38 @@ static swp_entry_t *shmem_swp_alloc(struct shmem_inode_info *info, unsigned long
402/* 402/*
403 * shmem_free_swp - free some swap entries in a directory 403 * shmem_free_swp - free some swap entries in a directory
404 * 404 *
405 * @dir: pointer to the directory 405 * @dir: pointer to the directory
406 * @edir: pointer after last entry of the directory 406 * @edir: pointer after last entry of the directory
407 * @punch_lock: pointer to spinlock when needed for the holepunch case
407 */ 408 */
408static int shmem_free_swp(swp_entry_t *dir, swp_entry_t *edir) 409static int shmem_free_swp(swp_entry_t *dir, swp_entry_t *edir,
410 spinlock_t *punch_lock)
409{ 411{
412 spinlock_t *punch_unlock = NULL;
410 swp_entry_t *ptr; 413 swp_entry_t *ptr;
411 int freed = 0; 414 int freed = 0;
412 415
413 for (ptr = dir; ptr < edir; ptr++) { 416 for (ptr = dir; ptr < edir; ptr++) {
414 if (ptr->val) { 417 if (ptr->val) {
418 if (unlikely(punch_lock)) {
419 punch_unlock = punch_lock;
420 punch_lock = NULL;
421 spin_lock(punch_unlock);
422 if (!ptr->val)
423 continue;
424 }
415 free_swap_and_cache(*ptr); 425 free_swap_and_cache(*ptr);
416 *ptr = (swp_entry_t){0}; 426 *ptr = (swp_entry_t){0};
417 freed++; 427 freed++;
418 } 428 }
419 } 429 }
430 if (punch_unlock)
431 spin_unlock(punch_unlock);
420 return freed; 432 return freed;
421} 433}
422 434
423static int shmem_map_and_free_swp(struct page *subdir, 435static int shmem_map_and_free_swp(struct page *subdir, int offset,
424 int offset, int limit, struct page ***dir) 436 int limit, struct page ***dir, spinlock_t *punch_lock)
425{ 437{
426 swp_entry_t *ptr; 438 swp_entry_t *ptr;
427 int freed = 0; 439 int freed = 0;
@@ -431,7 +443,8 @@ static int shmem_map_and_free_swp(struct page *subdir,
431 int size = limit - offset; 443 int size = limit - offset;
432 if (size > LATENCY_LIMIT) 444 if (size > LATENCY_LIMIT)
433 size = LATENCY_LIMIT; 445 size = LATENCY_LIMIT;
434 freed += shmem_free_swp(ptr+offset, ptr+offset+size); 446 freed += shmem_free_swp(ptr+offset, ptr+offset+size,
447 punch_lock);
435 if (need_resched()) { 448 if (need_resched()) {
436 shmem_swp_unmap(ptr); 449 shmem_swp_unmap(ptr);
437 if (*dir) { 450 if (*dir) {
@@ -481,7 +494,10 @@ static void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end)
481 long nr_swaps_freed = 0; 494 long nr_swaps_freed = 0;
482 int offset; 495 int offset;
483 int freed; 496 int freed;
484 int punch_hole = 0; 497 int punch_hole;
498 spinlock_t *needs_lock;
499 spinlock_t *punch_lock;
500 unsigned long upper_limit;
485 501
486 inode->i_ctime = inode->i_mtime = CURRENT_TIME; 502 inode->i_ctime = inode->i_mtime = CURRENT_TIME;
487 idx = (start + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; 503 idx = (start + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
@@ -492,11 +508,20 @@ static void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end)
492 info->flags |= SHMEM_TRUNCATE; 508 info->flags |= SHMEM_TRUNCATE;
493 if (likely(end == (loff_t) -1)) { 509 if (likely(end == (loff_t) -1)) {
494 limit = info->next_index; 510 limit = info->next_index;
511 upper_limit = SHMEM_MAX_INDEX;
495 info->next_index = idx; 512 info->next_index = idx;
513 needs_lock = NULL;
514 punch_hole = 0;
496 } else { 515 } else {
497 limit = (end + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; 516 if (end + 1 >= inode->i_size) { /* we may free a little more */
498 if (limit > info->next_index) 517 limit = (inode->i_size + PAGE_CACHE_SIZE - 1) >>
499 limit = info->next_index; 518 PAGE_CACHE_SHIFT;
519 upper_limit = SHMEM_MAX_INDEX;
520 } else {
521 limit = (end + 1) >> PAGE_CACHE_SHIFT;
522 upper_limit = limit;
523 }
524 needs_lock = &info->lock;
500 punch_hole = 1; 525 punch_hole = 1;
501 } 526 }
502 527
@@ -513,17 +538,30 @@ static void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end)
513 size = limit; 538 size = limit;
514 if (size > SHMEM_NR_DIRECT) 539 if (size > SHMEM_NR_DIRECT)
515 size = SHMEM_NR_DIRECT; 540 size = SHMEM_NR_DIRECT;
516 nr_swaps_freed = shmem_free_swp(ptr+idx, ptr+size); 541 nr_swaps_freed = shmem_free_swp(ptr+idx, ptr+size, needs_lock);
517 } 542 }
518 543
519 /* 544 /*
520 * If there are no indirect blocks or we are punching a hole 545 * If there are no indirect blocks or we are punching a hole
521 * below indirect blocks, nothing to be done. 546 * below indirect blocks, nothing to be done.
522 */ 547 */
523 if (!topdir || (punch_hole && (limit <= SHMEM_NR_DIRECT))) 548 if (!topdir || limit <= SHMEM_NR_DIRECT)
524 goto done2; 549 goto done2;
525 550
526 BUG_ON(limit <= SHMEM_NR_DIRECT); 551 /*
552 * The truncation case has already dropped info->lock, and we're safe
553 * because i_size and next_index have already been lowered, preventing
554 * access beyond. But in the punch_hole case, we still need to take
555 * the lock when updating the swap directory, because there might be
556 * racing accesses by shmem_getpage(SGP_CACHE), shmem_unuse_inode or
557 * shmem_writepage. However, whenever we find we can remove a whole
558 * directory page (not at the misaligned start or end of the range),
559 * we first NULLify its pointer in the level above, and then have no
560 * need to take the lock when updating its contents: needs_lock and
561 * punch_lock (either pointing to info->lock or NULL) manage this.
562 */
563
564 upper_limit -= SHMEM_NR_DIRECT;
527 limit -= SHMEM_NR_DIRECT; 565 limit -= SHMEM_NR_DIRECT;
528 idx = (idx > SHMEM_NR_DIRECT)? (idx - SHMEM_NR_DIRECT): 0; 566 idx = (idx > SHMEM_NR_DIRECT)? (idx - SHMEM_NR_DIRECT): 0;
529 offset = idx % ENTRIES_PER_PAGE; 567 offset = idx % ENTRIES_PER_PAGE;
@@ -543,8 +581,14 @@ static void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end)
543 if (*dir) { 581 if (*dir) {
544 diroff = ((idx - ENTRIES_PER_PAGEPAGE/2) % 582 diroff = ((idx - ENTRIES_PER_PAGEPAGE/2) %
545 ENTRIES_PER_PAGEPAGE) / ENTRIES_PER_PAGE; 583 ENTRIES_PER_PAGEPAGE) / ENTRIES_PER_PAGE;
546 if (!diroff && !offset) { 584 if (!diroff && !offset && upper_limit >= stage) {
547 *dir = NULL; 585 if (needs_lock) {
586 spin_lock(needs_lock);
587 *dir = NULL;
588 spin_unlock(needs_lock);
589 needs_lock = NULL;
590 } else
591 *dir = NULL;
548 nr_pages_to_free++; 592 nr_pages_to_free++;
549 list_add(&middir->lru, &pages_to_free); 593 list_add(&middir->lru, &pages_to_free);
550 } 594 }
@@ -570,39 +614,55 @@ static void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end)
570 } 614 }
571 stage = idx + ENTRIES_PER_PAGEPAGE; 615 stage = idx + ENTRIES_PER_PAGEPAGE;
572 middir = *dir; 616 middir = *dir;
573 *dir = NULL; 617 if (punch_hole)
574 nr_pages_to_free++; 618 needs_lock = &info->lock;
575 list_add(&middir->lru, &pages_to_free); 619 if (upper_limit >= stage) {
620 if (needs_lock) {
621 spin_lock(needs_lock);
622 *dir = NULL;
623 spin_unlock(needs_lock);
624 needs_lock = NULL;
625 } else
626 *dir = NULL;
627 nr_pages_to_free++;
628 list_add(&middir->lru, &pages_to_free);
629 }
576 shmem_dir_unmap(dir); 630 shmem_dir_unmap(dir);
577 cond_resched(); 631 cond_resched();
578 dir = shmem_dir_map(middir); 632 dir = shmem_dir_map(middir);
579 diroff = 0; 633 diroff = 0;
580 } 634 }
635 punch_lock = needs_lock;
581 subdir = dir[diroff]; 636 subdir = dir[diroff];
582 if (subdir && page_private(subdir)) { 637 if (subdir && !offset && upper_limit-idx >= ENTRIES_PER_PAGE) {
638 if (needs_lock) {
639 spin_lock(needs_lock);
640 dir[diroff] = NULL;
641 spin_unlock(needs_lock);
642 punch_lock = NULL;
643 } else
644 dir[diroff] = NULL;
645 nr_pages_to_free++;
646 list_add(&subdir->lru, &pages_to_free);
647 }
648 if (subdir && page_private(subdir) /* has swap entries */) {
583 size = limit - idx; 649 size = limit - idx;
584 if (size > ENTRIES_PER_PAGE) 650 if (size > ENTRIES_PER_PAGE)
585 size = ENTRIES_PER_PAGE; 651 size = ENTRIES_PER_PAGE;
586 freed = shmem_map_and_free_swp(subdir, 652 freed = shmem_map_and_free_swp(subdir,
587 offset, size, &dir); 653 offset, size, &dir, punch_lock);
588 if (!dir) 654 if (!dir)
589 dir = shmem_dir_map(middir); 655 dir = shmem_dir_map(middir);
590 nr_swaps_freed += freed; 656 nr_swaps_freed += freed;
591 if (offset) 657 if (offset || punch_lock) {
592 spin_lock(&info->lock); 658 spin_lock(&info->lock);
593 set_page_private(subdir, page_private(subdir) - freed); 659 set_page_private(subdir,
594 if (offset) 660 page_private(subdir) - freed);
595 spin_unlock(&info->lock); 661 spin_unlock(&info->lock);
596 if (!punch_hole) 662 } else
597 BUG_ON(page_private(subdir) > offset); 663 BUG_ON(page_private(subdir) != freed);
598 }
599 if (offset)
600 offset = 0;
601 else if (subdir && !page_private(subdir)) {
602 dir[diroff] = NULL;
603 nr_pages_to_free++;
604 list_add(&subdir->lru, &pages_to_free);
605 } 664 }
665 offset = 0;
606 } 666 }
607done1: 667done1:
608 shmem_dir_unmap(dir); 668 shmem_dir_unmap(dir);
@@ -614,8 +674,16 @@ done2:
614 * generic_delete_inode did it, before we lowered next_index. 674 * generic_delete_inode did it, before we lowered next_index.
615 * Also, though shmem_getpage checks i_size before adding to 675 * Also, though shmem_getpage checks i_size before adding to
616 * cache, no recheck after: so fix the narrow window there too. 676 * cache, no recheck after: so fix the narrow window there too.
677 *
678 * Recalling truncate_inode_pages_range and unmap_mapping_range
679 * every time for punch_hole (which never got a chance to clear
680 * SHMEM_PAGEIN at the start of vmtruncate_range) is expensive,
681 * yet hardly ever necessary: try to optimize them out later.
617 */ 682 */
618 truncate_inode_pages_range(inode->i_mapping, start, end); 683 truncate_inode_pages_range(inode->i_mapping, start, end);
684 if (punch_hole)
685 unmap_mapping_range(inode->i_mapping, start,
686 end - start, 1);
619 } 687 }
620 688
621 spin_lock(&info->lock); 689 spin_lock(&info->lock);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index ecfe8da1ce6b..d342e89b8bdd 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -679,6 +679,27 @@ static void hidp_close(struct hid_device *hid)
679{ 679{
680} 680}
681 681
682static const struct {
683 __u16 idVendor;
684 __u16 idProduct;
685 unsigned quirks;
686} hidp_blacklist[] = {
687 /* Apple wireless Mighty Mouse */
688 { 0x05ac, 0x030c, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
689
690 { } /* Terminating entry */
691};
692
693static void hidp_setup_quirks(struct hid_device *hid)
694{
695 unsigned int n;
696
697 for (n = 0; hidp_blacklist[n].idVendor; n++)
698 if (hidp_blacklist[n].idVendor == le16_to_cpu(hid->vendor) &&
699 hidp_blacklist[n].idProduct == le16_to_cpu(hid->product))
700 hid->quirks = hidp_blacklist[n].quirks;
701}
702
682static inline void hidp_setup_hid(struct hidp_session *session, struct hidp_connadd_req *req) 703static inline void hidp_setup_hid(struct hidp_session *session, struct hidp_connadd_req *req)
683{ 704{
684 struct hid_device *hid = session->hid; 705 struct hid_device *hid = session->hid;
@@ -708,6 +729,8 @@ static inline void hidp_setup_hid(struct hidp_session *session, struct hidp_conn
708 729
709 hid->hidinput_input_event = hidp_hidinput_event; 730 hid->hidinput_input_event = hidp_hidinput_event;
710 731
732 hidp_setup_quirks(hid);
733
711 list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list) 734 list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
712 hidp_send_report(session, report); 735 hidp_send_report(session, report);
713 736
diff --git a/net/core/dev.c b/net/core/dev.c
index 5984b55311a1..d44b8f1964fa 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1741,8 +1741,8 @@ static int ing_filter(struct sk_buff *skb)
1741 if (dev->qdisc_ingress) { 1741 if (dev->qdisc_ingress) {
1742 __u32 ttl = (__u32) G_TC_RTTL(skb->tc_verd); 1742 __u32 ttl = (__u32) G_TC_RTTL(skb->tc_verd);
1743 if (MAX_RED_LOOP < ttl++) { 1743 if (MAX_RED_LOOP < ttl++) {
1744 printk(KERN_WARNING "Redir loop detected Dropping packet (%s->%s)\n", 1744 printk(KERN_WARNING "Redir loop detected Dropping packet (%d->%d)\n",
1745 skb->input_dev->name, skb->dev->name); 1745 skb->iif, skb->dev->ifindex);
1746 return TC_ACT_SHOT; 1746 return TC_ACT_SHOT;
1747 } 1747 }
1748 1748
@@ -1775,8 +1775,8 @@ int netif_receive_skb(struct sk_buff *skb)
1775 if (!skb->tstamp.off_sec) 1775 if (!skb->tstamp.off_sec)
1776 net_timestamp(skb); 1776 net_timestamp(skb);
1777 1777
1778 if (!skb->input_dev) 1778 if (!skb->iif)
1779 skb->input_dev = skb->dev; 1779 skb->iif = skb->dev->ifindex;
1780 1780
1781 orig_dev = skb_bond(skb); 1781 orig_dev = skb_bond(skb);
1782 1782
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 702fa8f08747..87573ae35b02 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -496,7 +496,7 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
496 n->tc_verd = SET_TC_VERD(skb->tc_verd,0); 496 n->tc_verd = SET_TC_VERD(skb->tc_verd,0);
497 n->tc_verd = CLR_TC_OK2MUNGE(n->tc_verd); 497 n->tc_verd = CLR_TC_OK2MUNGE(n->tc_verd);
498 n->tc_verd = CLR_TC_MUNGED(n->tc_verd); 498 n->tc_verd = CLR_TC_MUNGED(n->tc_verd);
499 C(input_dev); 499 C(iif);
500#endif 500#endif
501 skb_copy_secmark(n, skb); 501 skb_copy_secmark(n, skb);
502#endif 502#endif
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 68f26cb278f9..3e93683e9ab3 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -198,7 +198,7 @@ bad_mirred:
198 skb2->tc_verd = SET_TC_FROM(skb2->tc_verd, at); 198 skb2->tc_verd = SET_TC_FROM(skb2->tc_verd, at);
199 199
200 skb2->dev = dev; 200 skb2->dev = dev;
201 skb2->input_dev = skb->dev; 201 skb2->iif = skb->dev->ifindex;
202 dev_queue_xmit(skb2); 202 dev_queue_xmit(skb2);
203 spin_unlock(&m->tcf_lock); 203 spin_unlock(&m->tcf_lock);
204 return m->tcf_action; 204 return m->tcf_action;
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 668a11a8b383..6bc7e7cfccf6 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -28,9 +28,11 @@
28 * the dependency on linux/autoconf.h by a dependency on every config 28 * the dependency on linux/autoconf.h by a dependency on every config
29 * option which is mentioned in any of the listed prequisites. 29 * option which is mentioned in any of the listed prequisites.
30 * 30 *
31 * To be exact, split-include populates a tree in include/config/, 31 * kconfig populates a tree in include/config/ with an empty file
32 * e.g. include/config/his/driver.h, which contains the #define/#undef 32 * for each config symbol and when the configuration is updated
33 * for the CONFIG_HIS_DRIVER option. 33 * the files representing changed config options are touched
34 * which then let make pick up the changes and the files that use
35 * the config symbols are rebuilt.
34 * 36 *
35 * So if the user changes his CONFIG_HIS_DRIVER option, only the objects 37 * So if the user changes his CONFIG_HIS_DRIVER option, only the objects
36 * which depend on "include/linux/config/his/driver.h" will be rebuilt, 38 * which depend on "include/linux/config/his/driver.h" will be rebuilt,
@@ -245,6 +247,8 @@ void parse_config_file(char *map, size_t len)
245 continue; 247 continue;
246 248
247 found: 249 found:
250 if (!memcmp(q - 7, "_MODULE", 7))
251 q -= 7;
248 use_config(p+7, q-p-7); 252 use_config(p+7, q-p-7);
249 } 253 }
250} 254}
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-31 06:29:15 -0500