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Merge branch 'master'

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This commit is contained in:
Jeff Garzik 2005-12-12 22:03:53 -05:00
commit 9da305eb08
198 changed files with 3809 additions and 3566 deletions
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2
Documentation/arm/00-INDEX
View File

@ -16,5 +16,7 @@ empeg
- Empeg documentation
mem_alignment
- alignment abort handler documentation
memory.txt
- description of the virtual memory layout
nwfpe
- NWFPE floating point emulator documentation

22
Documentation/filesystems/ext3.txt
View File

@ -57,19 +57,19 @@ oldalloc This disables the Orlov block allocator and enables the
we'd like to get some feedback if it's the contrary for
you.
user_xattr (*) Enables POSIX Extended Attributes. It's enabled by
default, however you need to confifure its support
(CONFIG_EXT3_FS_XATTR). This is neccesary if you want
to use POSIX Acces Control Lists support. You can visit
http://acl.bestbits.at to know more about POSIX Extended
attributes.
user_xattr Enables Extended User Attributes. Additionally, you need
to have extended attribute support enabled in the kernel
configuration (CONFIG_EXT3_FS_XATTR). See the attr(5)
manual page and http://acl.bestbits.at to learn more
about extended attributes.
nouser_xattr Disables POSIX Extended Attributes.
nouser_xattr Disables Extended User Attributes.
acl (*) Enables POSIX Access Control Lists support. This is
enabled by default, however you need to configure
its support (CONFIG_EXT3_FS_POSIX_ACL). If you want
to know more about ACLs visit http://acl.bestbits.at
acl Enables POSIX Access Control Lists support. Additionally,
you need to have ACL support enabled in the kernel
configuration (CONFIG_EXT3_FS_POSIX_ACL). See the acl(5)
manual page and http://acl.bestbits.at for more
information.
noacl This option disables POSIX Access Control List support.

2
Makefile
View File

@ -408,7 +408,7 @@ outputmakefile:
# of make so .config is not included in this case either (for *config).
no-dot-config-targets := clean mrproper distclean \
cscope TAGS tags help %docs check% kernelrelease
cscope TAGS tags help %docs check%
config-targets := 0
mixed-targets := 0

9
arch/arm/kernel/ptrace.c
View File

@ -242,6 +242,15 @@ get_branch_address(struct task_struct *child, unsigned long pc, unsigned long in
*/
long aluop1, aluop2, ccbit;
if ((insn & 0x0fffffd0) == 0x012fff10) {
/*
* bx or blx
*/
alt = get_user_reg(child, insn & 15);
break;
}
if ((insn & 0xf000) != 0xf000)
break;

2
arch/i386/kernel/kprobes.c
View File

@ -191,7 +191,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
*/
save_previous_kprobe(kcb);
set_current_kprobe(p, regs, kcb);
p->nmissed++;
kprobes_inc_nmissed_count(p);
prepare_singlestep(p, regs);
kcb->kprobe_status = KPROBE_REENTER;
return 1;

7
arch/i386/kernel/traps.c
View File

@ -650,13 +650,6 @@ fastcall void do_nmi(struct pt_regs * regs, long error_code)
cpu = smp_processor_id();
#ifdef CONFIG_HOTPLUG_CPU
if (!cpu_online(cpu)) {
nmi_exit();
return;
}
#endif
++nmi_count(cpu);
if (!rcu_dereference(nmi_callback)(regs, cpu))

2
arch/ia64/Kconfig
View File

@ -58,7 +58,7 @@ config IA64_UNCACHED_ALLOCATOR
bool
select GENERIC_ALLOCATOR
config ZONE_DMA_IS_DMA32
config DMA_IS_DMA32
bool
default y

2
arch/ia64/kernel/kprobes.c
View File

@ -630,7 +630,7 @@ static int __kprobes pre_kprobes_handler(struct die_args *args)
*/
save_previous_kprobe(kcb);
set_current_kprobe(p, kcb);
p->nmissed++;
kprobes_inc_nmissed_count(p);
prepare_ss(p, regs);
kcb->kprobe_status = KPROBE_REENTER;
return 1;

4
arch/mips/mm/init.c
View File

@ -67,8 +67,8 @@ unsigned long setup_zero_pages(void)
page = virt_to_page(empty_zero_page);
while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) {
set_bit(PG_reserved, &page->flags);
reset_page_mapcount(page);
SetPageReserved(page);
set_page_count(page, 1);
page++;
}

2
arch/powerpc/Kconfig
View File

@ -227,7 +227,7 @@ config SMP
If you don't know what to do here, say N.
config NR_CPUS
int "Maximum number of CPUs (2-32)"
int "Maximum number of CPUs (2-128)"
range 2 128
depends on SMP
default "32" if PPC64

2
arch/powerpc/kernel/kprobes.c
View File

@ -177,7 +177,7 @@ static inline int kprobe_handler(struct pt_regs *regs)
save_previous_kprobe(kcb);
set_current_kprobe(p, regs, kcb);
kcb->kprobe_saved_msr = regs->msr;
p->nmissed++;
kprobes_inc_nmissed_count(p);
prepare_singlestep(p, regs);
kcb->kprobe_status = KPROBE_REENTER;
return 1;

10
arch/powerpc/kernel/setup_64.c
View File

@ -102,7 +102,15 @@ int boot_cpuid_phys = 0;
dev_t boot_dev;
u64 ppc64_pft_size;
struct ppc64_caches ppc64_caches;
/* Pick defaults since we might want to patch instructions
* before we've read this from the device tree.
*/
struct ppc64_caches ppc64_caches = {
.dline_size = 0x80,
.log_dline_size = 7,
.iline_size = 0x80,
.log_iline_size = 7
};
EXPORT_SYMBOL_GPL(ppc64_caches);
/*

2
arch/powerpc/mm/hash_utils_64.c
View File

@ -601,7 +601,7 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
/* Handle hugepage regions */
if (unlikely(in_hugepage_area(mm->context, ea))) {
DBG_LOW(" -> huge page !\n");
return hash_huge_page(mm, access, ea, vsid, local);
return hash_huge_page(mm, access, ea, vsid, local, trap);
}
/* Get PTE and page size from page tables */

97
arch/powerpc/mm/hugetlbpage.c
View File

@ -148,43 +148,63 @@ int is_aligned_hugepage_range(unsigned long addr, unsigned long len)
return 0;
}
struct slb_flush_info {
struct mm_struct *mm;
u16 newareas;
};
static void flush_low_segments(void *parm)
{
u16 areas = (unsigned long) parm;
struct slb_flush_info *fi = parm;
unsigned long i;
BUILD_BUG_ON((sizeof(fi->newareas)*8) != NUM_LOW_AREAS);
if (current->active_mm != fi->mm)
return;
/* Only need to do anything if this CPU is working in the same
* mm as the one which has changed */
/* update the paca copy of the context struct */
get_paca()->context = current->active_mm->context;
asm volatile("isync" : : : "memory");
BUILD_BUG_ON((sizeof(areas)*8) != NUM_LOW_AREAS);
for (i = 0; i < NUM_LOW_AREAS; i++) {
if (! (areas & (1U << i)))
if (! (fi->newareas & (1U << i)))
continue;
asm volatile("slbie %0"
: : "r" ((i << SID_SHIFT) | SLBIE_C));
}
asm volatile("isync" : : : "memory");
}
static void flush_high_segments(void *parm)
{
u16 areas = (unsigned long) parm;
struct slb_flush_info *fi = parm;
unsigned long i, j;
BUILD_BUG_ON((sizeof(fi->newareas)*8) != NUM_HIGH_AREAS);
if (current->active_mm != fi->mm)
return;
/* Only need to do anything if this CPU is working in the same
* mm as the one which has changed */
/* update the paca copy of the context struct */
get_paca()->context = current->active_mm->context;
asm volatile("isync" : : : "memory");
BUILD_BUG_ON((sizeof(areas)*8) != NUM_HIGH_AREAS);
for (i = 0; i < NUM_HIGH_AREAS; i++) {
if (! (areas & (1U << i)))
if (! (fi->newareas & (1U << i)))
continue;
for (j = 0; j < (1UL << (HTLB_AREA_SHIFT-SID_SHIFT)); j++)
asm volatile("slbie %0"
:: "r" (((i << HTLB_AREA_SHIFT)
+ (j << SID_SHIFT)) | SLBIE_C));
}
asm volatile("isync" : : : "memory");
}
@ -229,6 +249,7 @@ static int prepare_high_area_for_htlb(struct mm_struct *mm, unsigned long area)
static int open_low_hpage_areas(struct mm_struct *mm, u16 newareas)
{
unsigned long i;
struct slb_flush_info fi;
BUILD_BUG_ON((sizeof(newareas)*8) != NUM_LOW_AREAS);
BUILD_BUG_ON((sizeof(mm->context.low_htlb_areas)*8) != NUM_LOW_AREAS);
@ -244,19 +265,20 @@ static int open_low_hpage_areas(struct mm_struct *mm, u16 newareas)
mm->context.low_htlb_areas |= newareas;
/* update the paca copy of the context struct */
get_paca()->context = mm->context;
/* the context change must make it to memory before the flush,
* so that further SLB misses do the right thing. */
mb();
on_each_cpu(flush_low_segments, (void *)(unsigned long)newareas, 0, 1);
fi.mm = mm;
fi.newareas = newareas;
on_each_cpu(flush_low_segments, &fi, 0, 1);
return 0;
}
static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas)
{
struct slb_flush_info fi;
unsigned long i;
BUILD_BUG_ON((sizeof(newareas)*8) != NUM_HIGH_AREAS);
@ -280,7 +302,10 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas)
/* the context change must make it to memory before the flush,
* so that further SLB misses do the right thing. */
mb();
on_each_cpu(flush_high_segments, (void *)(unsigned long)newareas, 0, 1);
fi.mm = mm;
fi.newareas = newareas;
on_each_cpu(flush_high_segments, &fi, 0, 1);
return 0;
}
@ -639,8 +664,36 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
return -ENOMEM;
}
/*
* Called by asm hashtable.S for doing lazy icache flush
*/
static unsigned int hash_huge_page_do_lazy_icache(unsigned long rflags,
pte_t pte, int trap)
{
struct page *page;
int i;
if (!pfn_valid(pte_pfn(pte)))
return rflags;
page = pte_page(pte);
/* page is dirty */
if (!test_bit(PG_arch_1, &page->flags) && !PageReserved(page)) {
if (trap == 0x400) {
for (i = 0; i < (HPAGE_SIZE / PAGE_SIZE); i++)
__flush_dcache_icache(page_address(page+i));
set_bit(PG_arch_1, &page->flags);
} else {
rflags |= HPTE_R_N;
}
}
return rflags;
}
int hash_huge_page(struct mm_struct *mm, unsigned long access,
unsigned long ea, unsigned long vsid, int local)
unsigned long ea, unsigned long vsid, int local,
unsigned long trap)
{
pte_t *ptep;
unsigned long old_pte, new_pte;
@ -691,6 +744,11 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access,
rflags = 0x2 | (!(new_pte & _PAGE_RW));
/* _PAGE_EXEC -> HW_NO_EXEC since it's inverted */
rflags |= ((new_pte & _PAGE_EXEC) ? 0 : HPTE_R_N);
if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
/* No CPU has hugepages but lacks no execute, so we
* don't need to worry about that case */
rflags = hash_huge_page_do_lazy_icache(rflags, __pte(old_pte),
trap);
/* Check if pte already has an hpte (case 2) */
if (unlikely(old_pte & _PAGE_HASHPTE)) {
@ -703,7 +761,8 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access,
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
slot += (old_pte & _PAGE_F_GIX) >> 12;
if (ppc_md.hpte_updatepp(slot, rflags, va, 1, local) == -1)
if (ppc_md.hpte_updatepp(slot, rflags, va, mmu_huge_psize,
local) == -1)
old_pte &= ~_PAGE_HPTEFLAGS;
}

2
arch/powerpc/mm/numa.c
View File

@ -125,7 +125,7 @@ void __init get_region(unsigned int nid, unsigned long *start_pfn,
/* We didnt find a matching region, return start/end as 0 */
if (*start_pfn == -1UL)
start_pfn = 0;
*start_pfn = 0;
}
static inline void map_cpu_to_node(int cpu, int node)

7
arch/powerpc/mm/stab.c
View File

@ -288,11 +288,6 @@ void stab_initialize(unsigned long stab)
return;
}
#endif /* CONFIG_PPC_ISERIES */
#ifdef CONFIG_PPC_PSERIES
if (platform_is_lpar()) {
plpar_hcall_norets(H_SET_ASR, stabreal);
return;
}
#endif
mtspr(SPRN_ASR, stabreal);
}

11
arch/powerpc/platforms/powermac/feature.c
View File

@ -1650,12 +1650,20 @@ void pmac_tweak_clock_spreading(int enable)
*/
if (macio->type == macio_intrepid) {
struct device_node *clock =
of_find_node_by_path("/uni-n@f8000000/hw-clock");
if (clock && get_property(clock, "platform-do-clockspreading",
NULL)) {
printk(KERN_INFO "%sabling clock spreading on Intrepid"
" ASIC\n", enable ? "En" : "Dis");
if (enable)
UN_OUT(UNI_N_CLOCK_SPREADING, 2);
else
UN_OUT(UNI_N_CLOCK_SPREADING, 0);
mdelay(40);
}
of_node_put(clock);
}
while (machine_is_compatible("PowerBook5,2") ||
machine_is_compatible("PowerBook5,3") ||
@ -1724,6 +1732,9 @@ void pmac_tweak_clock_spreading(int enable)
pmac_low_i2c_close(ui2c);
break;
}
printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n",
enable ? "En" : "Dis");
pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub);
rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9);
DBG("write result: %d,", rc);

11
arch/powerpc/platforms/pseries/iommu.c
View File

@ -109,6 +109,9 @@ static void tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum,
u64 rc;
union tce_entry tce;
tcenum <<= TCE_PAGE_FACTOR;
npages <<= TCE_PAGE_FACTOR;
tce.te_word = 0;
tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
tce.te_rdwr = 1;
@ -143,10 +146,7 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
union tce_entry tce, *tcep;
long l, limit;
tcenum <<= TCE_PAGE_FACTOR;
npages <<= TCE_PAGE_FACTOR;
if (npages == 1)
if (TCE_PAGE_FACTOR == 0 && npages == 1)
return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
direction);
@ -164,6 +164,9 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
__get_cpu_var(tce_page) = tcep;
}
tcenum <<= TCE_PAGE_FACTOR;
npages <<= TCE_PAGE_FACTOR;
tce.te_word = 0;
tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
tce.te_rdwr = 1;

12
arch/powerpc/platforms/pseries/lpar.c
View File

@ -298,18 +298,6 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
if (!(vflags & HPTE_V_BOLTED))
DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r);
#if 1
{
int i;
for (i=0;i<8;i++) {
unsigned long w0, w1;
plpar_pte_read(0, hpte_group, &w0, &w1);
BUG_ON (HPTE_V_COMPARE(hpte_v, w0)
&& (w0 & HPTE_V_VALID));
}
}
#endif
/* Now fill in the actual HPTE */
/* Set CEC cookie to 0 */
/* Zero page = 0 */

6
arch/ppc/Kconfig
View File

@ -767,14 +767,14 @@ config CPM2
on it (826x, 827x, 8560).
config PPC_CHRP
bool " Common Hardware Reference Platform (CHRP) based machines"
bool
depends on PPC_MULTIPLATFORM
select PPC_I8259
select PPC_INDIRECT_PCI
default y
config PPC_PMAC
bool " Apple PowerMac based machines"
bool
depends on PPC_MULTIPLATFORM
select PPC_INDIRECT_PCI
default y
@ -785,7 +785,7 @@ config PPC_PMAC64
default y
config PPC_PREP
bool " PowerPC Reference Platform (PReP) based machines"
bool
depends on PPC_MULTIPLATFORM
select PPC_I8259
select PPC_INDIRECT_PCI

4
arch/ppc/kernel/smp.c
View File

@ -301,6 +301,10 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
/* Probe platform for CPUs: always linear. */
num_cpus = smp_ops->probe();
if (num_cpus < 2)
smp_tb_synchronized = 1;
for (i = 0; i < num_cpus; ++i)
cpu_set(i, cpu_possible_map);

10
arch/ppc/platforms/pmac_feature.c
View File

@ -1606,12 +1606,20 @@ void pmac_tweak_clock_spreading(int enable)
*/
if (macio->type == macio_intrepid) {
struct device_node *clock =
of_find_node_by_path("/uni-n@f8000000/hw-clock");
if (clock && get_property(clock, "platform-do-clockspreading",
NULL)) {
printk(KERN_INFO "%sabling clock spreading on Intrepid"
" ASIC\n", enable ? "En" : "Dis");
if (enable)
UN_OUT(UNI_N_CLOCK_SPREADING, 2);
else
UN_OUT(UNI_N_CLOCK_SPREADING, 0);
mdelay(40);
}
of_node_put(clock);
}
while (machine_is_compatible("PowerBook5,2") ||
machine_is_compatible("PowerBook5,3") ||
@ -1680,6 +1688,8 @@ void pmac_tweak_clock_spreading(int enable)
pmac_low_i2c_close(ui2c);
break;
}
printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n",
enable ? "En" : "Dis");
pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub);
rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9);
DBG("write result: %d,", rc);

2
arch/sparc/Makefile
View File

@ -34,7 +34,7 @@ libs-y += arch/sparc/prom/ arch/sparc/lib/
# Renaming is done to avoid confusing pattern matching rules in 2.5.45 (multy-)
INIT_Y := $(patsubst %/, %/built-in.o, $(init-y))
CORE_Y := $(core-y)
CORE_Y += kernel/ mm/ fs/ ipc/ security/ crypto/
CORE_Y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/
CORE_Y := $(patsubst %/, %/built-in.o, $(CORE_Y))
DRIVERS_Y := $(patsubst %/, %/built-in.o, $(drivers-y))
NET_Y := $(patsubst %/, %/built-in.o, $(net-y))

1
arch/sparc/lib/atomic32.c
View File

@ -66,7 +66,6 @@ int atomic_add_unless(atomic_t *v, int a, int u)
return ret != u;
}
static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
/* Atomic operations are already serializing */
void atomic_set(atomic_t *v, int i)
{

2
arch/sparc64/kernel/kprobes.c
View File

@ -138,7 +138,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
*/
save_previous_kprobe(kcb);
set_current_kprobe(p, regs, kcb);
p->nmissed++;
kprobes_inc_nmissed_count(p);
kcb->kprobe_status = KPROBE_REENTER;
prepare_singlestep(p, regs, kcb);
return 1;

2
arch/um/include/um_uaccess.h
View File

@ -17,6 +17,8 @@
#include "uaccess-skas.h"
#endif
#include "asm/fixmap.h"
#define __under_task_size(addr, size) \
(((unsigned long) (addr) < TASK_SIZE) && \
(((unsigned long) (addr) + (size)) < TASK_SIZE))

1
arch/um/kernel/skas/include/uaccess-skas.h
View File

@ -7,7 +7,6 @@
#define __SKAS_UACCESS_H
#include "asm/errno.h"
#include "asm/fixmap.h"
/* No SKAS-specific checking. */
#define access_ok_skas(type, addr, size) 0

2
arch/x86_64/kernel/kprobes.c
View File

@ -329,7 +329,7 @@ int __kprobes kprobe_handler(struct pt_regs *regs)
*/
save_previous_kprobe(kcb);
set_current_kprobe(p, regs, kcb);
p->nmissed++;
kprobes_inc_nmissed_count(p);
prepare_singlestep(p, regs);
kcb->kprobe_status = KPROBE_REENTER;
return 1;

2
drivers/acpi/pci_link.c
View File

@ -316,7 +316,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
if (!link || !irq)
return_VALUE(-EINVAL);
resource = kmalloc(sizeof(*resource) + 1, GFP_KERNEL);
resource = kmalloc(sizeof(*resource) + 1, GFP_ATOMIC);
if (!resource)
return_VALUE(-ENOMEM);

3
drivers/block/cciss.c
View File

@ -1146,7 +1146,6 @@ static int revalidate_allvol(ctlr_info_t *host)
del_gendisk(disk);
if (q)
blk_cleanup_queue(q);
put_disk(disk);
}
}
@ -1467,7 +1466,6 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
del_gendisk(disk);
if (q)
blk_cleanup_queue(q);
put_disk(disk);
}
}
@ -3243,7 +3241,6 @@ static void __devexit cciss_remove_one (struct pci_dev *pdev)
del_gendisk(disk);
if (q)
blk_cleanup_queue(q);
put_disk(disk);
}
}

18
drivers/char/Kconfig
View File

@ -943,6 +943,15 @@ config RAW_DRIVER
Applications should simply open the device (eg /dev/hda1)
with the O_DIRECT flag.
config MAX_RAW_DEVS
int "Maximum number of RAW devices to support (1-8192)"
depends on RAW_DRIVER
default "256"
help
The maximum number of RAW devices that are supported.
Default is 256. Increase this number in case you need lots of
raw devices.
config HPET
bool "HPET - High Precision Event Timer" if (X86 || IA64)
default n
@ -974,15 +983,6 @@ config HPET_MMAP
exposed to the user. If this applies to your hardware,
say N here.
config MAX_RAW_DEVS
int "Maximum number of RAW devices to support (1-8192)"
depends on RAW_DRIVER
default "256"
help
The maximum number of RAW devices that are supported.
Default is 256. Increase this number in case you need lots of
raw devices.
config HANGCHECK_TIMER
tristate "Hangcheck timer"
depends on X86 || IA64 || PPC64 || ARCH_S390

2
drivers/char/ipmi/ipmi_msghandler.c
View File

@ -2986,7 +2986,7 @@ static void send_panic_events(char *str)
msg.cmd = 2; /* Platform event command. */
msg.data = data;
msg.data_len = 8;
data[0] = 0x21; /* Kernel generator ID, IPMI table 5-4 */
data[0] = 0x41; /* Kernel generator ID, IPMI table 5-4 */
data[1] = 0x03; /* This is for IPMI 1.0. */
data[2] = 0x20; /* OS Critical Stop, IPMI table 36-3 */
data[4] = 0x6f; /* Sensor specific, IPMI table 36-1 */

4
drivers/char/watchdog/mpcore_wdt.c
View File

@ -180,10 +180,6 @@ static ssize_t mpcore_wdt_write(struct file *file, const char *data, size_t len,
{
struct mpcore_wdt *wdt = file->private_data;
/* Can't seek (pwrite) on this device */
if (ppos != &file->f_pos)
return -ESPIPE;
/*
* Refresh the timer.
*/

5
drivers/connector/cn_proc.c
View File

@ -56,6 +56,7 @@ void proc_fork_connector(struct task_struct *task)
msg = (struct cn_msg*)buffer;
ev = (struct proc_event*)msg->data;
get_seq(&msg->seq, &ev->cpu);
getnstimestamp(&ev->timestamp);
ev->what = PROC_EVENT_FORK;
ev->event_data.fork.parent_pid = task->real_parent->pid;
ev->event_data.fork.parent_tgid = task->real_parent->tgid;
@ -81,6 +82,7 @@ void proc_exec_connector(struct task_struct *task)
msg = (struct cn_msg*)buffer;
ev = (struct proc_event*)msg->data;
get_seq(&msg->seq, &ev->cpu);
getnstimestamp(&ev->timestamp);
ev->what = PROC_EVENT_EXEC;
ev->event_data.exec.process_pid = task->pid;
ev->event_data.exec.process_tgid = task->tgid;
@ -114,6 +116,7 @@ void proc_id_connector(struct task_struct *task, int which_id)
} else
return;
get_seq(&msg->seq, &ev->cpu);
getnstimestamp(&ev->timestamp);
memcpy(&msg->id, &cn_proc_event_id, sizeof(msg->id));
msg->ack = 0; /* not used */
@ -133,6 +136,7 @@ void proc_exit_connector(struct task_struct *task)
msg = (struct cn_msg*)buffer;
ev = (struct proc_event*)msg->data;
get_seq(&msg->seq, &ev->cpu);
getnstimestamp(&ev->timestamp);
ev->what = PROC_EVENT_EXIT;
ev->event_data.exit.process_pid = task->pid;
ev->event_data.exit.process_tgid = task->tgid;
@ -165,6 +169,7 @@ static void cn_proc_ack(int err, int rcvd_seq, int rcvd_ack)
msg = (struct cn_msg*)buffer;
ev = (struct proc_event*)msg->data;
msg->seq = rcvd_seq;
getnstimestamp(&ev->timestamp);
ev->cpu = -1;
ev->what = PROC_EVENT_NONE;
ev->event_data.ack.err = err;

4
drivers/macintosh/windfarm_pm81.c
View File

@ -207,7 +207,7 @@ static struct wf_smu_sys_fans_param wf_smu_sys_all_params[] = {
},
/* Model ID 3 */
{
.model_id = 2,
.model_id = 3,
.itarget = 0x350000,
.gd = 0x08e00000,
.gp = 0x00566666,
@ -219,7 +219,7 @@ static struct wf_smu_sys_fans_param wf_smu_sys_all_params[] = {
},
/* Model ID 5 */
{
.model_id = 2,
.model_id = 5,
.itarget = 0x3a0000,
.gd = 0x15400000,
.gp = 0x00233333,

5
drivers/md/raid1.c
View File

@ -320,7 +320,6 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
* this branch is our 'one mirror IO has finished' event handler:
*/
r1_bio->bios[mirror] = NULL;
bio_put(bio);
if (!uptodate) {
md_error(r1_bio->mddev, conf->mirrors[mirror].rdev);
/* an I/O failed, we can't clear the bitmap */
@ -377,7 +376,6 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
}
if (test_bit(R1BIO_BehindIO, &r1_bio->state)) {
/* free extra copy of the data pages */
/* FIXME bio has been freed!!! */
int i = bio->bi_vcnt;
while (i--)
__free_page(bio->bi_io_vec[i].bv_page);
@ -391,6 +389,9 @@ static int raid1_end_write_request(struct bio *bio, unsigned int bytes_done, int
raid_end_bio_io(r1_bio);
}
if (r1_bio->bios[mirror]==NULL)
bio_put(bio);
rdev_dec_pending(conf->mirrors[mirror].rdev, conf->mddev);
return 0;
}

5
drivers/md/raid5.c
View File

@ -98,7 +98,7 @@ static inline void __release_stripe(raid5_conf_t *conf, struct stripe_head *sh)
list_add_tail(&sh->lru, &conf->inactive_list);
atomic_dec(&conf->active_stripes);
if (!conf->inactive_blocked ||
atomic_read(&conf->active_stripes) < (NR_STRIPES*3/4))
atomic_read(&conf->active_stripes) < (conf->max_nr_stripes*3/4))
wake_up(&conf->wait_for_stripe);
}
}
@ -264,7 +264,8 @@ static struct stripe_head *get_active_stripe(raid5_conf_t *conf, sector_t sector
conf->inactive_blocked = 1;
wait_event_lock_irq(conf->wait_for_stripe,
!list_empty(&conf->inactive_list) &&
(atomic_read(&conf->active_stripes) < (NR_STRIPES *3/4)
(atomic_read(&conf->active_stripes)
< (conf->max_nr_stripes *3/4)
|| !conf->inactive_blocked),
conf->device_lock,
unplug_slaves(conf->mddev);

1
drivers/media/common/ir-common.c
View File

@ -313,6 +313,7 @@ void ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
if (ir_codes)
memcpy(ir->ir_codes, ir_codes, sizeof(ir->ir_codes));
dev->keycode = ir->ir_codes;
dev->keycodesize = sizeof(IR_KEYTAB_TYPE);
dev->keycodemax = IR_KEYTAB_SIZE;

1
drivers/media/video/bttvp.h
View File

@ -45,6 +45,7 @@
#include <media/tveeprom.h>
#include <media/ir-common.h>
#include "bt848.h"
#include "bttv.h"
#include "btcx-risc.h"

2
drivers/media/video/cx88/cx88-blackbird.c
View File

@ -616,6 +616,8 @@ static int blackbird_load_firmware(struct cx8802_dev *dev)
retval = request_firmware(&firmware, BLACKBIRD_FIRM_ENC_FILENAME,
&dev->pci->dev);
if (retval != 0) {
dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
BLACKBIRD_FIRM_ENC_FILENAME);

2
drivers/media/video/cx88/cx88-cards.c
View File

@ -567,6 +567,7 @@ struct cx88_board cx88_boards[] = {
.radio_type = UNSET,
.tuner_addr = ADDR_UNSET,
.radio_addr = ADDR_UNSET,
.tda9887_conf = TDA9887_PRESENT,
.input = {{
.type = CX88_VMUX_TELEVISION,
.vmux = 0,
@ -711,6 +712,7 @@ struct cx88_board cx88_boards[] = {
.radio_type = UNSET,
.tuner_addr = ADDR_UNSET,
.radio_addr = ADDR_UNSET,
.tda9887_conf = TDA9887_PRESENT,
.input = {{
.type = CX88_VMUX_TELEVISION,
.vmux = 0,

2
drivers/media/video/cx88/cx88-input.c
View File

@ -453,7 +453,6 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
input_dev->id.product = pci->device;
}
input_dev->cdev.dev = &pci->dev;
/* record handles to ourself */
ir->core = core;
core->ir = ir;
@ -586,7 +585,6 @@ void cx88_ir_irq(struct cx88_core *core)
MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe");
MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls");
MODULE_LICENSE("GPL");
/*
* Local variables:
* c-basic-offset: 8

1
drivers/media/video/cx88/cx88.h
View File

@ -411,7 +411,6 @@ struct cx8802_dev {
struct videobuf_dvb dvb;
void* fe_handle;
int (*fe_release)(void *handle);
/* for switching modulation types */
unsigned char ts_gen_cntrl;

48
drivers/media/video/em28xx/em28xx-core.c
View File

@ -116,47 +116,6 @@ void em28xx_print_ioctl(char *name, unsigned int cmd)
}
}
static void *rvmalloc(size_t size)
{
void *mem;
unsigned long adr;
size = PAGE_ALIGN(size);
mem = vmalloc_32((unsigned long)size);
if (!mem)
return NULL;
memset(mem, 0, size);
adr = (unsigned long)mem;
while (size > 0) {
SetPageReserved(vmalloc_to_page((void *)adr));
adr += PAGE_SIZE;
size -= PAGE_SIZE;
}
return mem;
}
static void rvfree(void *mem, size_t size)
{
unsigned long adr;
if (!mem)
return;
size = PAGE_ALIGN(size);
adr = (unsigned long)mem;
while (size > 0) {
ClearPageReserved(vmalloc_to_page((void *)adr));
adr += PAGE_SIZE;
size -= PAGE_SIZE;
}
vfree(mem);
}
/*
* em28xx_request_buffers()
@ -173,8 +132,10 @@ u32 em28xx_request_buffers(struct em28xx *dev, u32 count)
dev->num_frames = count;
while (dev->num_frames > 0) {
if ((buff = rvmalloc(dev->num_frames * imagesize)))
if ((buff = vmalloc_32(dev->num_frames * imagesize))) {
memset(buff, 0, dev->num_frames * imagesize);
break;
}
dev->num_frames--;
}
@ -217,8 +178,7 @@ void em28xx_queue_unusedframes(struct em28xx *dev)
void em28xx_release_buffers(struct em28xx *dev)
{
if (dev->num_frames) {
rvfree(dev->frame[0].bufmem,
dev->num_frames * PAGE_ALIGN(dev->frame[0].buf.length));
vfree(dev->frame[0].bufmem);
dev->num_frames = 0;
}
}

21
drivers/media/video/em28xx/em28xx-video.c
View File

@ -189,16 +189,6 @@ static DECLARE_RWSEM(em28xx_disconnect);
/********************* v4l2 interface ******************************************/
static inline unsigned long kvirt_to_pa(unsigned long adr)
{
unsigned long kva, ret;
kva = (unsigned long)page_address(vmalloc_to_page((void *)adr));
kva |= adr & (PAGE_SIZE - 1);
ret = __pa(kva);
return ret;
}
/*
* em28xx_config()
* inits registers with sane defaults
@ -616,7 +606,8 @@ static struct vm_operations_struct em28xx_vm_ops = {
static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
{
unsigned long size = vma->vm_end - vma->vm_start,
start = vma->vm_start, pos, page;
start = vma->vm_start;
void *pos;
u32 i;
struct em28xx *dev = filp->private_data;
@ -657,12 +648,10 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
vma->vm_flags |= VM_IO;
vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */
pos = (unsigned long)dev->frame[i].bufmem;
pos = dev->frame[i].bufmem;
while (size > 0) { /* size is page-aligned */
page = vmalloc_to_pfn((void *)pos);
if (remap_pfn_range(vma, start, page, PAGE_SIZE,
vma->vm_page_prot)) {
em28xx_videodbg("mmap: rename page map failed\n");
if (vm_insert_page(vma, start, vmalloc_to_page(pos))) {
em28xx_videodbg("mmap: vm_insert_page failed\n");
up(&dev->fileop_lock);
return -EAGAIN;
}

2
drivers/media/video/ir-kbd-gpio.c
View File

@ -297,7 +297,6 @@ struct IR {
struct timer_list timer;
/* RC5 gpio */
u32 rc5_gpio;
struct timer_list timer_end; /* timer_end for code completion */
struct timer_list timer_keyup; /* timer_end for key release */
@ -726,6 +725,7 @@ static int ir_remove(struct device *dev)
del_timer(&ir->timer);
flush_scheduled_work();
}
if (ir->rc5_gpio) {
u32 gpio;

3
drivers/media/video/ir-kbd-i2c.c
View File

@ -40,6 +40,7 @@
#include <linux/i2c.h>
#include <linux/workqueue.h>
#include <asm/semaphore.h>
#include <media/ir-common.h>
#include <media/ir-kbd-i2c.h>
@ -278,7 +279,7 @@ static int ir_probe(struct i2c_adapter *adap);
static struct i2c_driver driver = {
.name = "ir remote kbd driver",
.id = I2C_DRIVERID_I2C_IR,
.id = I2C_DRIVERID_INFRARED,
.flags = I2C_DF_NOTIFY,
.attach_adapter = ir_probe,
.detach_client = ir_detach,

4
drivers/media/video/msp3400.c
View File

@ -882,6 +882,7 @@ static void watch_stereo(struct i2c_client *client)
msp->watch_stereo = 0;
}
static int msp3400c_thread(void *data)
{
struct i2c_client *client = data;
@ -889,6 +890,7 @@ static int msp3400c_thread(void *data)
struct CARRIER_DETECT *cd;
int count, max1,max2,val1,val2, val,this;
msp3400_info("msp3400 daemon started\n");
for (;;) {
msp3400_dbg_mediumvol("msp3400 thread: sleep\n");
@ -1162,6 +1164,7 @@ static int msp3410d_thread(void *data)
int mode,val,i,std;
msp3400_info("msp3410 daemon started\n");
for (;;) {
msp3400_dbg_mediumvol("msp3410 thread: sleep\n");
msp34xx_sleep(msp,-1);
@ -1384,6 +1387,7 @@ static int msp34xxg_thread(void *data)
int val, std, i;
msp3400_info("msp34xxg daemon started\n");
msp->source = 1; /* default */
for (;;) {
msp3400_dbg_mediumvol("msp34xxg thread: sleep\n");

1
drivers/media/video/saa6588.c
View File

@ -422,7 +422,6 @@ static int saa6588_attach(struct i2c_adapter *adap, int addr, int kind)
s->timer.function = saa6588_timer;
s->timer.data = (unsigned long)s;
schedule_work(&s->work);
return 0;
}

1
drivers/media/video/saa7134/saa6752hs.c
View File

@ -524,6 +524,7 @@ static int saa6752hs_attach(struct i2c_adapter *adap, int addr, int kind)
i2c_set_clientdata(&h->client, h);
i2c_attach_client(&h->client);
return 0;
}

8
drivers/media/video/saa7134/saa7134-alsa.c
View File

@ -51,6 +51,7 @@ MODULE_PARM_DESC(debug,"enable debug messages [alsa]");
#define MIXER_ADDR_LINE2 2
#define MIXER_ADDR_LAST 2
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 0};
@ -61,9 +62,12 @@ MODULE_PARM_DESC(index, "Index value for SAA7134 capture interface(s).");
#define dprintk(fmt, arg...) if (debug) \
printk(KERN_DEBUG "%s/alsa: " fmt, dev->name, ## arg)
/*
* Main chip structure
*/
typedef struct snd_card_saa7134 {
snd_card_t *card;
spinlock_t mixer_lock;
@ -1004,6 +1008,7 @@ static int saa7134_alsa_init(void)
printk(KERN_INFO "saa7134 ALSA: no saa7134 cards found\n");
return 0;
}
/*
@ -1027,3 +1032,6 @@ module_init(saa7134_alsa_init);
module_exit(saa7134_alsa_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ricardo Cerqueira");

2
drivers/media/video/saa7134/saa7134-cards.c
View File

@ -976,7 +976,7 @@ struct saa7134_board saa7134_boards[] = {
.radio_type = UNSET,
.tuner_addr = ADDR_UNSET,
.radio_addr = ADDR_UNSET,
.tda9887_conf = TDA9887_PRESENT | TDA9887_INTERCARRIER,
.tda9887_conf = TDA9887_PRESENT | TDA9887_INTERCARRIER | TDA9887_PORT2_ACTIVE,
.inputs = {{
.name = name_tv,
.vmux = 3,

1
drivers/media/video/saa7134/saa7134-core.c
View File

@ -71,6 +71,7 @@ static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
module_param_array(video_nr, int, NULL, 0444);
module_param_array(vbi_nr, int, NULL, 0444);
module_param_array(radio_nr, int, NULL, 0444);

1
drivers/media/video/saa7134/saa7134-empress.c
View File

@ -36,6 +36,7 @@ MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");
static unsigned int empress_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
module_param_array(empress_nr, int, NULL, 0444);
MODULE_PARM_DESC(empress_nr,"ts device number");

1
drivers/media/video/saa7134/saa7134-oss.c
View File

@ -994,6 +994,7 @@ static void saa7134_oss_exit(void)
continue;
oss_device_exit(dev);
}
printk(KERN_INFO "saa7134 OSS driver for DMA sound unloaded\n");

1
drivers/media/video/tda9887.c
View File

@ -12,6 +12,7 @@
#include <media/audiochip.h>
#include <media/tuner.h>
/* Chips:
TDA9885 (PAL, NTSC)
TDA9886 (PAL, SECAM, NTSC)

1
drivers/media/video/tveeprom.c
View File

@ -754,6 +754,7 @@ tveeprom_detect_client(struct i2c_adapter *adapter,
client->flags = I2C_CLIENT_ALLOW_USE;
snprintf(client->name, sizeof(client->name), "tveeprom");
i2c_attach_client(client);
return 0;
}

1
drivers/media/video/tvp5150.c
View File

@ -770,7 +770,6 @@ static int tvp5150_detect_client(struct i2c_adapter *adapter,
if (debug > 1)
dump_reg(client);
return 0;
}

2
drivers/media/video/video-buf-dvb.c
View File

@ -13,6 +13,7 @@
* (at your option) any later version.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
@ -247,3 +248,4 @@ EXPORT_SYMBOL(videobuf_dvb_unregister);
* compile-command: "make DVB=1"
* End:
*/

19
drivers/mfd/ucb1x00-ts.c
View File

@ -59,16 +59,18 @@ static int adcsync;
static inline void ucb1x00_ts_evt_add(struct ucb1x00_ts *ts, u16 pressure, u16 x, u16 y)
{
input_report_abs(ts->idev, ABS_X, x);
input_report_abs(ts->idev, ABS_Y, y);
input_report_abs(ts->idev, ABS_PRESSURE, pressure);
input_sync(ts->idev);
struct input_dev *idev = ts->idev;
input_report_abs(idev, ABS_X, x);
input_report_abs(idev, ABS_Y, y);
input_report_abs(idev, ABS_PRESSURE, pressure);
input_sync(idev);
}
static inline void ucb1x00_ts_event_release(struct ucb1x00_ts *ts)
{
input_report_abs(ts->idev, ABS_PRESSURE, 0);
input_sync(ts->idev);
struct input_dev *idev = ts->idev;
input_report_abs(idev, ABS_PRESSURE, 0);
input_sync(idev);
}
/*
@ -297,7 +299,7 @@ static void ucb1x00_ts_irq(int idx, void *id)
static int ucb1x00_ts_open(struct input_dev *idev)
{
struct ucb1x00_ts *ts = (struct ucb1x00_ts *)idev;
struct ucb1x00_ts *ts = idev->private;
int ret = 0;
BUG_ON(ts->rtask);
@ -334,7 +336,7 @@ static int ucb1x00_ts_open(struct input_dev *idev)
*/
static void ucb1x00_ts_close(struct input_dev *idev)
{
struct ucb1x00_ts *ts = (struct ucb1x00_ts *)idev;
struct ucb1x00_ts *ts = idev->private;
if (ts->rtask)
kthread_stop(ts->rtask);
@ -386,6 +388,7 @@ static int ucb1x00_ts_add(struct ucb1x00_dev *dev)
ts->ucb = dev->ucb;
ts->adcsync = adcsync ? UCB_SYNC : UCB_NOSYNC;
ts->idev->private = ts;
ts->idev->name = "Touchscreen panel";
ts->idev->id.product = ts->ucb->id;
ts->idev->open = ucb1x00_ts_open;

5
drivers/mmc/mmc.c
View File

@ -932,8 +932,9 @@ static void mmc_read_scrs(struct mmc_host *host)
sg_init_one(&sg, (u8*)card->raw_scr, 8);
err = mmc_wait_for_req(host, &mrq);
if (err != MMC_ERR_NONE) {
mmc_wait_for_req(host, &mrq);
if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) {
mmc_card_set_dead(card);
continue;
}

8
drivers/mtd/devices/blkmtd.c
View File

@ -113,7 +113,7 @@ static int bi_write_complete(struct bio *bio, unsigned int bytes_done, int error
ClearPageUptodate(page);
SetPageError(page);
}
ClearPageDirty(page);
clear_page_dirty(page);
unlock_page(page);
page_cache_release(page);
} while (bvec >= bio->bi_io_vec);
@ -289,7 +289,7 @@ static int write_pages(struct blkmtd_dev *dev, const u_char *buf, loff_t to,
BUG();
}
memcpy(page_address(page)+offset, buf, start_len);
SetPageDirty(page);
set_page_dirty(page);
SetPageUptodate(page);
buf += start_len;
thislen = start_len;
@ -336,7 +336,7 @@ static int write_pages(struct blkmtd_dev *dev, const u_char *buf, loff_t to,
}
pagenr++;
pagecnt--;
SetPageDirty(page);
set_page_dirty(page);
SetPageUptodate(page);
pagesc--;
thislen += PAGE_SIZE;
@ -357,7 +357,7 @@ static int write_pages(struct blkmtd_dev *dev, const u_char *buf, loff_t to,
BUG();
}
memcpy(page_address(page), buf, end_len);
SetPageDirty(page);
set_page_dirty(page);
SetPageUptodate(page);
DEBUG(3, "blkmtd: write: writing out partial end\n");
thislen += end_len;

13
drivers/net/tg3.c
View File

@ -68,8 +68,8 @@
#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
#define DRV_MODULE_VERSION "3.43"
#define DRV_MODULE_RELDATE "Oct 24, 2005"
#define DRV_MODULE_VERSION "3.44"
#define DRV_MODULE_RELDATE "Dec 6, 2005"
#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
@ -3565,12 +3565,15 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (!spin_trylock(&tp->tx_lock))
return NETDEV_TX_LOCKED;
/* This is a hard error, log it. */
if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
if (!netif_queue_stopped(dev)) {
netif_stop_queue(dev);
/* This is a hard error, log it. */
printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
"queue awake!\n", dev->name);
}
spin_unlock(&tp->tx_lock);
printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n",
dev->name);
return NETDEV_TX_BUSY;
}

9
drivers/scsi/scsi_lib.c
View File

@ -542,10 +542,17 @@ static void scsi_requeue_command(struct request_queue *q, struct scsi_cmnd *cmd)
void scsi_next_command(struct scsi_cmnd *cmd)
{
struct request_queue *q = cmd->device->request_queue;
struct scsi_device *sdev = cmd->device;
struct request_queue *q = sdev->request_queue;
/* need to hold a reference on the device before we let go of the cmd */
get_device(&sdev->sdev_gendev);
scsi_put_command(cmd);
scsi_run_queue(q);
/* ok to remove device now */
put_device(&sdev->sdev_gendev);
}
void scsi_run_host_queues(struct Scsi_Host *shost)

3
drivers/scsi/scsi_scan.c
View File

@ -266,8 +266,6 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
/*
* if LLDD reports slave not present, don't clutter
* console with alloc failure messages
*/
if (ret == -ENXIO)
display_failure_msg = 0;
@ -279,7 +277,6 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
out_device_destroy:
transport_destroy_device(&sdev->sdev_gendev);
scsi_free_queue(sdev->request_queue);
put_device(&sdev->sdev_gendev);
out:
if (display_failure_msg)

2
drivers/serial/8250_pci.c
View File

@ -516,7 +516,7 @@ pci_timedia_setup(struct serial_private *priv, struct pciserial_board *board,
break;
case 3:
offset = board->uart_offset;
bar = 1;
/* FALLTHROUGH */
case 4: /* BAR 2 */
case 5: /* BAR 3 */
case 6: /* BAR 4 */

1
drivers/video/bw2.c
View File

@ -121,7 +121,6 @@ struct bw2_par {
unsigned long fbsize;
struct sbus_dev *sdev;
struct list_head list;
};
/**

1
drivers/video/cg14.c
View File

@ -206,7 +206,6 @@ struct cg14_par {
int mode;
int ramsize;
struct sbus_dev *sdev;
struct list_head list;
};
static void __cg14_reset(struct cg14_par *par)

1
drivers/video/cg3.c
View File

@ -124,7 +124,6 @@ struct cg3_par {
unsigned long fbsize;
struct sbus_dev *sdev;
struct list_head list;
};
/**

3
drivers/video/cg6.c
View File

@ -265,7 +265,6 @@ struct cg6_par {
unsigned long fbsize;
struct sbus_dev *sdev;
struct list_head list;
};
static int cg6_sync(struct fb_info *info)
@ -612,7 +611,7 @@ static void cg6_chip_init(struct fb_info *info)
struct cg6_par *par = (struct cg6_par *) info->par;
struct cg6_tec __iomem *tec = par->tec;
struct cg6_fbc __iomem *fbc = par->fbc;
u32 rev, conf, mode, tmp;
u32 rev, conf, mode;
int i;
/* Turn off stuff in the Transform Engine. */

1
drivers/video/ffb.c
View File

@ -359,7 +359,6 @@ struct ffb_par {
int prom_parent_node;
int dac_rev;
int board_type;
struct list_head list;
};
static void FFBFifo(struct ffb_par *par, int n)

1
drivers/video/leo.c
View File

@ -197,7 +197,6 @@ struct leo_par {
unsigned long fbsize;
struct sbus_dev *sdev;
struct list_head list;
};
static void leo_wait(struct leo_lx_krn __iomem *lx_krn)

1
drivers/video/p9100.c
View File

@ -140,7 +140,6 @@ struct p9100_par {
unsigned long fbsize;
struct sbus_dev *sdev;
struct list_head list;
};
/**

3
drivers/video/tcx.c
View File

@ -125,7 +125,6 @@ struct tcx_par {
int lowdepth;
struct sbus_dev *sdev;
struct list_head list;
};
/* Reset control plane so that WID is 8-bit plane. */
@ -444,7 +443,7 @@ static void tcx_init_one(struct sbus_dev *sdev)
tcx_reset(&all->info);
tcx_blank(0, &all->info);
tcx_blank(FB_BLANK_UNBLANK, &all->info);
if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
printk(KERN_ERR "tcx: Could not allocate color map.\n");

13
fs/inotify.c
View File

@ -364,11 +364,12 @@ static int inotify_dev_get_wd(struct inotify_device *dev,
/*
* find_inode - resolve a user-given path to a specific inode and return a nd
*/
static int find_inode(const char __user *dirname, struct nameidata *nd)
static int find_inode(const char __user *dirname, struct nameidata *nd,
unsigned flags)
{
int error;
error = __user_walk(dirname, LOOKUP_FOLLOW, nd);
error = __user_walk(dirname, flags, nd);
if (error)
return error;
/* you can only watch an inode if you have read permissions on it */
@ -933,6 +934,7 @@ asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, u32 mask)
struct file *filp;
int ret, fput_needed;
int mask_add = 0;
unsigned flags = 0;
filp = fget_light(fd, &fput_needed);
if (unlikely(!filp))
@ -944,7 +946,12 @@ asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, u32 mask)
goto fput_and_out;
}
ret = find_inode(path, &nd);
if (!(mask & IN_DONT_FOLLOW))
flags |= LOOKUP_FOLLOW;
if (mask & IN_ONLYDIR)
flags |= LOOKUP_DIRECTORY;
ret = find_inode(path, &nd, flags);
if (unlikely(ret))
goto fput_and_out;

2
fs/xattr.c
View File

@ -245,7 +245,7 @@ listxattr(struct dentry *d, char __user *list, size_t size)
error = d->d_inode->i_op->listxattr(d, klist, size);
} else {
error = security_inode_listsecurity(d->d_inode, klist, size);
if (size && error >= size)
if (size && error > size)
error = -ERANGE;
}
if (error > 0) {

5
include/asm-arm/arch-pxa/irq.h
View File

@ -12,8 +12,3 @@
#define fixup_irq(x) (x)
/*
* This prototype is required for cascading of multiplexed interrupts.
* Since it doesn't exist elsewhere, we'll put it here for now.
*/
extern void do_IRQ(int irq, struct pt_regs *regs);

6
include/asm-arm/io.h
View File

@ -42,9 +42,9 @@ extern void __raw_writesb(void __iomem *addr, const void *data, int bytelen);
extern void __raw_writesw(void __iomem *addr, const void *data, int wordlen);
extern void __raw_writesl(void __iomem *addr, const void *data, int longlen);
extern void __raw_readsb(void __iomem *addr, void *data, int bytelen);
extern void __raw_readsw(void __iomem *addr, void *data, int wordlen);
extern void __raw_readsl(void __iomem *addr, void *data, int longlen);
extern void __raw_readsb(const void __iomem *addr, void *data, int bytelen);
extern void __raw_readsw(const void __iomem *addr, void *data, int wordlen);
extern void __raw_readsl(const void __iomem *addr, void *data, int longlen);
#define __raw_writeb(v,a) (__chk_io_ptr(a), *(volatile unsigned char __force *)(a) = (v))
#define __raw_writew(v,a) (__chk_io_ptr(a), *(volatile unsigned short __force *)(a) = (v))

1
include/asm-arm/memory.h
View File

@ -122,6 +122,7 @@ static inline void *phys_to_virt(unsigned long x)
*/
#define __pa(x) __virt_to_phys((unsigned long)(x))
#define __va(x) ((void *)__phys_to_virt((unsigned long)(x)))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
/*
* Virtual <-> DMA view memory address translations

3
include/asm-powerpc/mmu.h
View File

@ -220,7 +220,8 @@ extern int __hash_page_64K(unsigned long ea, unsigned long access,
unsigned int local);
struct mm_struct;
extern int hash_huge_page(struct mm_struct *mm, unsigned long access,
unsigned long ea, unsigned long vsid, int local);
unsigned long ea, unsigned long vsid, int local,
unsigned long trap);
extern void htab_finish_init(void);
extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend,

2
include/linux/cn_proc.h
View File

@ -26,6 +26,7 @@
#define CN_PROC_H
#include <linux/types.h>
#include <linux/time.h>
#include <linux/connector.h>
/*
@ -65,6 +66,7 @@ struct proc_event {
PROC_EVENT_EXIT = 0x80000000
} what;
__u32 cpu;
struct timespec timestamp;
union { /* must be last field of proc_event struct */
struct {
__u32 err;

2
include/linux/i2c-id.h
View File

@ -108,7 +108,7 @@
#define I2C_DRIVERID_SAA7127 72 /* saa7124 video encoder */
#define I2C_DRIVERID_SAA711X 73 /* saa711x video encoders */
#define I2C_DRIVERID_AKITAIOEXP 74 /* IO Expander on Sharp SL-C1000 */
#define I2C_DRIVERID_I2C_IR 75 /* I2C InfraRed on Video boards */
#define I2C_DRIVERID_INFRARED 75 /* I2C InfraRed on Video boards */
#define I2C_DRIVERID_EXP0 0xF0 /* experimental use id's */
#define I2C_DRIVERID_EXP1 0xF1

2
include/linux/inotify.h
View File

@ -47,6 +47,8 @@ struct inotify_event {
#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* moves */
/* special flags */
#define IN_ONLYDIR 0x01000000 /* only watch the path if it is a directory */
#define IN_DONT_FOLLOW 0x02000000 /* don't follow a sym link */
#define IN_MASK_ADD 0x20000000 /* add to the mask of an already existing watch */
#define IN_ISDIR 0x40000000 /* event occurred against dir */
#define IN_ONESHOT 0x80000000 /* only send event once */

8
include/linux/kprobes.h
View File

@ -37,6 +37,7 @@
#include <linux/spinlock.h>
#include <linux/rcupdate.h>
#ifdef CONFIG_KPROBES
#include <asm/kprobes.h>
/* kprobe_status settings */
@ -147,7 +148,6 @@ struct kretprobe_instance {
struct task_struct *task;
};
#ifdef CONFIG_KPROBES
extern spinlock_t kretprobe_lock;
extern int arch_prepare_kprobe(struct kprobe *p);
extern void arch_copy_kprobe(struct kprobe *p);
@ -158,6 +158,7 @@ extern int arch_init_kprobes(void);
extern void show_registers(struct pt_regs *regs);
extern kprobe_opcode_t *get_insn_slot(void);
extern void free_insn_slot(kprobe_opcode_t *slot);
extern void kprobes_inc_nmissed_count(struct kprobe *p);
/* Get the kprobe at this addr (if any) - called with preemption disabled */
struct kprobe *get_kprobe(void *addr);
@ -195,6 +196,11 @@ void add_rp_inst(struct kretprobe_instance *ri);
void kprobe_flush_task(struct task_struct *tk);
void recycle_rp_inst(struct kretprobe_instance *ri);
#else /* CONFIG_KPROBES */
#define __kprobes /**/
struct jprobe;
struct kretprobe;
static inline struct kprobe *kprobe_running(void)
{
return NULL;

26
include/linux/list.h
View File

@ -202,12 +202,15 @@ static inline void list_del_rcu(struct list_head *entry)
*
* The old entry will be replaced with the new entry atomically.
*/
static inline void list_replace_rcu(struct list_head *old, struct list_head *new){
static inline void list_replace_rcu(struct list_head *old,
struct list_head *new)
{
new->next = old->next;
new->prev = old->prev;
smp_wmb();
new->next->prev = new;
new->prev->next = new;
old->prev = LIST_POISON2;
}
/**
@ -578,6 +581,27 @@ static inline void hlist_del_init(struct hlist_node *n)
}
}
/*
* hlist_replace_rcu - replace old entry by new one
* @old : the element to be replaced
* @new : the new element to insert
*
* The old entry will be replaced with the new entry atomically.
*/
static inline void hlist_replace_rcu(struct hlist_node *old,
struct hlist_node *new)
{
struct hlist_node *next = old->next;
new->next = next;
new->pprev = old->pprev;
smp_wmb();
if (next)
new->next->pprev = &new->next;
*new->pprev = new;
old->pprev = LIST_POISON2;
}
static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
{
struct hlist_node *first = h->first;

1
include/linux/mm.h
View File

@ -163,7 +163,6 @@ extern unsigned int kobjsize(const void *objp);
#define VM_HUGETLB 0x00400000 /* Huge TLB Page VM */
#define VM_NONLINEAR 0x00800000 /* Is non-linear (remap_file_pages) */
#define VM_MAPPED_COPY 0x01000000 /* T if mapped copy of data (nommu mmap) */
#define VM_INCOMPLETE 0x02000000 /* Strange partial PFN mapping marker */
#ifndef VM_STACK_DEFAULT_FLAGS /* arch can override this */
#define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS

2
include/linux/parport_pc.h
View File

@ -86,7 +86,7 @@ extern __inline__ void dump_parport_state (char *str, struct parport *p)
unsigned char dcr = inb (CONTROL (p));
unsigned char dsr = inb (STATUS (p));
static char *ecr_modes[] = {"SPP", "PS2", "PPFIFO", "ECP", "xXx", "yYy", "TST", "CFG"};
const struct parport_pc_private *priv = (parport_pc_private *)p->physport->private_data;
const struct parport_pc_private *priv = p->physport->private_data;
int i;
printk (KERN_DEBUG "*** parport state (%s): ecr=[%s", str, ecr_modes[(ecr & 0xe0) >> 5]);

2
include/linux/rcupdate.h
View File

@ -100,6 +100,7 @@ struct rcu_data {
struct rcu_head *donelist;
struct rcu_head **donetail;
int cpu;
struct rcu_head barrier;
};
DECLARE_PER_CPU(struct rcu_data, rcu_data);
@ -285,6 +286,7 @@ extern void FASTCALL(call_rcu_bh(struct rcu_head *head,
extern __deprecated_for_modules void synchronize_kernel(void);
extern void synchronize_rcu(void);
void synchronize_idle(void);
extern void rcu_barrier(void);
#endif /* __KERNEL__ */
#endif /* __LINUX_RCUPDATE_H */

3
include/linux/sysctl.h
View File

@ -670,6 +670,9 @@ enum {
NET_DECNET_DST_GC_INTERVAL = 9,
NET_DECNET_CONF = 10,
NET_DECNET_NO_FC_MAX_CWND = 11,
NET_DECNET_MEM = 12,
NET_DECNET_RMEM = 13,
NET_DECNET_WMEM = 14,
NET_DECNET_DEBUG_LEVEL = 255
};

1
include/linux/time.h
View File

@ -95,6 +95,7 @@ struct itimerval;
extern int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue);
extern int do_getitimer(int which, struct itimerval *value);
extern void getnstimeofday (struct timespec *tv);
extern void getnstimestamp(struct timespec *ts);
extern struct timespec timespec_trunc(struct timespec t, unsigned gran);

4
include/net/dn.h
View File

@ -234,4 +234,8 @@ extern int decnet_di_count;
extern int decnet_dr_count;
extern int decnet_no_fc_max_cwnd;
extern int sysctl_decnet_mem[3];
extern int sysctl_decnet_wmem[3];
extern int sysctl_decnet_rmem[3];
#endif /* _NET_DN_H */

4
kernel/audit.c
View File

@ -291,8 +291,10 @@ int kauditd_thread(void *dummy)
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&kauditd_wait, &wait);
if (!skb_queue_len(&audit_skb_queue))
if (!skb_queue_len(&audit_skb_queue)) {
try_to_freeze();
schedule();
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(&kauditd_wait, &wait);

36
kernel/kprobes.c
View File

@ -246,6 +246,19 @@ static int __kprobes aggr_break_handler(struct kprobe *p, struct pt_regs *regs)
return ret;
}
/* Walks the list and increments nmissed count for multiprobe case */
void __kprobes kprobes_inc_nmissed_count(struct kprobe *p)
{
struct kprobe *kp;
if (p->pre_handler != aggr_pre_handler) {
p->nmissed++;
} else {
list_for_each_entry_rcu(kp, &p->list, list)
kp->nmissed++;
}
return;
}
/* Called with kretprobe_lock held */
struct kretprobe_instance __kprobes *get_free_rp_inst(struct kretprobe *rp)
{
@ -399,10 +412,7 @@ static inline void add_aggr_kprobe(struct kprobe *ap, struct kprobe *p)
INIT_LIST_HEAD(&ap->list);
list_add_rcu(&p->list, &ap->list);
INIT_HLIST_NODE(&ap->hlist);
hlist_del_rcu(&p->hlist);
hlist_add_head_rcu(&ap->hlist,
&kprobe_table[hash_ptr(ap->addr, KPROBE_HASH_BITS)]);
hlist_replace_rcu(&p->hlist, &ap->hlist);
}
/*
@ -462,9 +472,16 @@ int __kprobes register_kprobe(struct kprobe *p)
int ret = 0;
unsigned long flags = 0;
struct kprobe *old_p;
struct module *mod;
if ((!kernel_text_address((unsigned long) p->addr)) ||
in_kprobes_functions((unsigned long) p->addr))
return -EINVAL;
if ((mod = module_text_address((unsigned long) p->addr)) &&
(unlikely(!try_module_get(mod))))
return -EINVAL;
if ((ret = in_kprobes_functions((unsigned long) p->addr)) != 0)
return ret;
if ((ret = arch_prepare_kprobe(p)) != 0)
goto rm_kprobe;
@ -488,6 +505,8 @@ out:
rm_kprobe:
if (ret == -EEXIST)
arch_remove_kprobe(p);
if (ret && mod)
module_put(mod);
return ret;
}
@ -495,6 +514,7 @@ void __kprobes unregister_kprobe(struct kprobe *p)
{
unsigned long flags;
struct kprobe *old_p;
struct module *mod;
spin_lock_irqsave(&kprobe_lock, flags);
old_p = get_kprobe(p->addr);
@ -506,6 +526,10 @@ void __kprobes unregister_kprobe(struct kprobe *p)
cleanup_kprobe(p, flags);
synchronize_sched();
if ((mod = module_text_address((unsigned long)p->addr)))
module_put(mod);
if (old_p->pre_handler == aggr_pre_handler &&
list_empty(&old_p->list))
kfree(old_p);

59
kernel/rcupdate.c
View File

@ -116,6 +116,10 @@ void fastcall call_rcu(struct rcu_head *head,
local_irq_restore(flags);
}
static atomic_t rcu_barrier_cpu_count;
static struct semaphore rcu_barrier_sema;
static struct completion rcu_barrier_completion;
/**
* call_rcu_bh - Queue an RCU for invocation after a quicker grace period.
* @head: structure to be used for queueing the RCU updates.
@ -162,6 +166,42 @@ long rcu_batches_completed(void)
return rcu_ctrlblk.completed;
}
static void rcu_barrier_callback(struct rcu_head *notused)
{
if (atomic_dec_and_test(&rcu_barrier_cpu_count))
complete(&rcu_barrier_completion);
}
/*
* Called with preemption disabled, and from cross-cpu IRQ context.
*/
static void rcu_barrier_func(void *notused)
{
int cpu = smp_processor_id();
struct rcu_data *rdp = &per_cpu(rcu_data, cpu);
struct rcu_head *head;
head = &rdp->barrier;
atomic_inc(&rcu_barrier_cpu_count);
call_rcu(head, rcu_barrier_callback);
}
/**
* rcu_barrier - Wait until all the in-flight RCUs are complete.
*/
void rcu_barrier(void)
{
BUG_ON(in_interrupt());
/* Take cpucontrol semaphore to protect against CPU hotplug */
down(&rcu_barrier_sema);
init_completion(&rcu_barrier_completion);
atomic_set(&rcu_barrier_cpu_count, 0);
on_each_cpu(rcu_barrier_func, NULL, 0, 1);
wait_for_completion(&rcu_barrier_completion);
up(&rcu_barrier_sema);
}
EXPORT_SYMBOL_GPL(rcu_barrier);
/*
* Invoke the completed RCU callbacks. They are expected to be in
* a per-cpu list.
@ -217,15 +257,23 @@ static void rcu_start_batch(struct rcu_ctrlblk *rcp, struct rcu_state *rsp,
if (rcp->next_pending &&
rcp->completed == rcp->cur) {
/* Can't change, since spin lock held. */
cpus_andnot(rsp->cpumask, cpu_online_map, nohz_cpu_mask);
rcp->next_pending = 0;
/* next_pending == 0 must be visible in __rcu_process_callbacks()
* before it can see new value of cur.
/*
* next_pending == 0 must be visible in
* __rcu_process_callbacks() before it can see new value of cur.
*/
smp_wmb();
rcp->cur++;
/*
* Accessing nohz_cpu_mask before incrementing rcp->cur needs a
* Barrier Otherwise it can cause tickless idle CPUs to be
* included in rsp->cpumask, which will extend graceperiods
* unnecessarily.
*/
smp_mb();
cpus_andnot(rsp->cpumask, cpu_online_map, nohz_cpu_mask);
}
}
@ -457,6 +505,7 @@ static struct notifier_block __devinitdata rcu_nb = {
*/
void __init rcu_init(void)
{
sema_init(&rcu_barrier_sema, 1);
rcu_cpu_notify(&rcu_nb, CPU_UP_PREPARE,
(void *)(long)smp_processor_id());
/* Register notifier for non-boot CPUs */

3
kernel/rcutorture.c
View File

@ -409,9 +409,8 @@ rcu_torture_cleanup(void)
stats_task = NULL;
/* Wait for all RCU callbacks to fire. */
rcu_barrier();
for (i = 0; i < RCU_TORTURE_PIPE_LEN; i++)
synchronize_rcu();
rcu_torture_stats_print(); /* -After- the stats thread is stopped! */
printk(KERN_ALERT TORTURE_FLAG
"--- End of test: %s\n",

3
kernel/sys.c
View File

@ -32,6 +32,7 @@
#include <linux/compat.h>
#include <linux/syscalls.h>
#include <linux/kprobes.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@ -168,7 +169,7 @@ EXPORT_SYMBOL(notifier_chain_unregister);
* of the last notifier function called.
*/
int notifier_call_chain(struct notifier_block **n, unsigned long val, void *v)
int __kprobes notifier_call_chain(struct notifier_block **n, unsigned long val, void *v)
{
int ret=NOTIFY_DONE;
struct notifier_block *nb = *n;

22
kernel/time.c
View File

@ -561,6 +561,28 @@ void getnstimeofday(struct timespec *tv)
EXPORT_SYMBOL_GPL(getnstimeofday);
#endif
void getnstimestamp(struct timespec *ts)
{
unsigned int seq;
struct timespec wall2mono;
/* synchronize with settimeofday() changes */
do {
seq = read_seqbegin(&xtime_lock);
getnstimeofday(ts);
wall2mono = wall_to_monotonic;
} while(unlikely(read_seqretry(&xtime_lock, seq)));
/* adjust to monotonicaly-increasing values */
ts->tv_sec += wall2mono.tv_sec;
ts->tv_nsec += wall2mono.tv_nsec;
while (unlikely(ts->tv_nsec >= NSEC_PER_SEC)) {
ts->tv_nsec -= NSEC_PER_SEC;
ts->tv_sec++;
}
}
EXPORT_SYMBOL_GPL(getnstimestamp);
#if (BITS_PER_LONG < 64)
u64 get_jiffies_64(void)
{

2
mm/bootmem.c
View File

@ -204,6 +204,8 @@ restart_scan:
unsigned long j;
i = find_next_zero_bit(bdata->node_bootmem_map, eidx, i);
i = ALIGN(i, incr);
if (i >= eidx)
break;
if (test_bit(i, bdata->node_bootmem_map))
continue;
for (j = i + 1; j < i + areasize; ++j) {

67
mm/memory.c
View File

@ -349,6 +349,11 @@ void print_bad_pte(struct vm_area_struct *vma, pte_t pte, unsigned long vaddr)
dump_stack();
}
static inline int is_cow_mapping(unsigned int flags)
{
return (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE;
}
/*
* This function gets the "struct page" associated with a pte.
*
@ -377,6 +382,8 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, pte_
unsigned long off = (addr - vma->vm_start) >> PAGE_SHIFT;
if (pfn == vma->vm_pgoff + off)
return NULL;
if (!is_cow_mapping(vma->vm_flags))
return NULL;
}
/*
@ -437,7 +444,7 @@ copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,
* If it's a COW mapping, write protect it both
* in the parent and the child
*/
if ((vm_flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE) {
if (is_cow_mapping(vm_flags)) {
ptep_set_wrprotect(src_mm, addr, src_pte);
pte = *src_pte;
}
@ -1225,50 +1232,6 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, struct page *
}
EXPORT_SYMBOL(vm_insert_page);
/*
* Somebody does a pfn remapping that doesn't actually work as a vma.
*
* Do it as individual pages instead, and warn about it. It's bad form,
* and very inefficient.
*/
static int incomplete_pfn_remap(struct vm_area_struct *vma,
unsigned long start, unsigned long end,
unsigned long pfn, pgprot_t prot)
{
static int warn = 10;
struct page *page;
int retval;
if (!(vma->vm_flags & VM_INCOMPLETE)) {
if (warn) {
warn--;
printk("%s does an incomplete pfn remapping", current->comm);
dump_stack();
}
}
vma->vm_flags |= VM_INCOMPLETE | VM_IO | VM_RESERVED;
if (start < vma->vm_start || end > vma->vm_end)
return -EINVAL;
if (!pfn_valid(pfn))
return -EINVAL;
page = pfn_to_page(pfn);
if (!PageReserved(page))
return -EINVAL;
retval = 0;
while (start < end) {
retval = insert_page(vma->vm_mm, start, page, prot);
if (retval < 0)
break;
start += PAGE_SIZE;
page++;
}
return retval;
}
/*
* maps a range of physical memory into the requested pages. the old
* mappings are removed. any references to nonexistent pages results
@ -1343,9 +1306,6 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,
struct mm_struct *mm = vma->vm_mm;
int err;
if (addr != vma->vm_start || end != vma->vm_end)
return incomplete_pfn_remap(vma, addr, end, pfn, prot);
/*
* Physically remapped pages are special. Tell the
* rest of the world about it:
@ -1359,9 +1319,18 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,
* VM_PFNMAP tells the core MM that the base pages are just
* raw PFN mappings, and do not have a "struct page" associated
* with them.
*
* There's a horrible special case to handle copy-on-write
* behaviour that some programs depend on. We mark the "original"
* un-COW'ed pages by matching them up with "vma->vm_pgoff".
*/
vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
if (is_cow_mapping(vma->vm_flags)) {
if (addr != vma->vm_start || end != vma->vm_end)
return -EINVAL;
vma->vm_pgoff = pfn;
}
vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
BUG_ON(addr >= end);
pfn -= addr >> PAGE_SHIFT;

3
net/core/dev.c
View File

@ -1113,7 +1113,8 @@ out:
void netdev_rx_csum_fault(struct net_device *dev)
{
if (net_ratelimit()) {
printk(KERN_ERR "%s: hw csum failure.\n", dev->name);
printk(KERN_ERR "%s: hw csum failure.\n",
dev ? dev->name : "<unknown>");
dump_stack();
}
}

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