Shaohua Li 4981d01ead x86: Flush TLB if PGD entry is changed in i386 PAE mode ... According to intel CPU manual, every time PGD entry is changed in i386 PAE mode, we need do a full TLB flush. Current code follows this and there is comment for this too in the code. But current code misses the multi-threaded case. A changed page table might be used by several CPUs, every such CPU should flush TLB. Usually this isn't a problem, because we prepopulate all PGD entries at process fork. But when the process does munmap and follows new mmap, this issue will be triggered. When it happens, some CPUs keep doing page faults: http://marc.info/?l=linux-kernel&m=129915020508238&w=2 Reported-by: Yasunori Goto<y-goto@jp.fujitsu.com> Tested-by: Yasunori Goto<y-goto@jp.fujitsu.com> Reviewed-by: Rik van Riel <riel@redhat.com> Signed-off-by: Shaohua Li<shaohua.li@intel.com> Cc: Mallick Asit K <asit.k.mallick@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm <linux-mm@kvack.org> Cc: stable <stable@kernel.org> LKML-Reference: <1300246649.2337.95.camel@sli10-conroe> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2011-03-18 11:44:01 +01:00
..
uv	x86, UV: Initialize the broadcast assist unit base destination node id properly	2011-03-09 16:36:16 +01:00
visws
xen	x86: Fix common misspellings	2011-03-18 10:39:30 +01:00
a.out-core.h
a.out.h
acpi.h	Merge commit 'v2.6.38' into x86/mm	2011-03-15 08:29:44 +01:00
aes.h
agp.h
alternative-asm.h
alternative.h	Merge branches 'x86-alternatives-for-linus', 'x86-fpu-for-linus', 'x86-hwmon-for-linus', 'x86-paravirt-for-linus', 'core-locking-for-linus' and 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2011-01-06 11:11:50 -08:00
amd_iommu.h	Merge branch 'x86-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2010-10-21 14:23:48 -07:00
amd_iommu_proto.h	x86/amd-iommu: Update copyright headers	2010-10-13 11:13:21 +02:00
amd_iommu_types.h	x86/amd-iommu: Update copyright headers	2010-10-13 11:13:21 +02:00
amd_nb.h	Merge branch 'linus' into x86/urgent	2011-03-18 10:39:00 +01:00
apb_timer.h	x86, cleanup: Remove obsolete boot_cpu_id variable	2010-08-12 14:01:38 -07:00
apic.h	Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2011-03-15 20:01:36 -07:00
apicdef.h	x86: Move ioapic_irq_destination_types to apicdef.h	2011-02-23 11:38:44 +01:00
apm.h
arch_hweight.h
asm-offsets.h
asm.h
atomic.h
atomic64_32.h
atomic64_64.h
auxvec.h
bios_ebda.h
bitops.h	bitops: make asm-generic/bitops/find.h more generic	2010-10-09 21:51:44 +02:00
bitsperlong.h
boot.h	x86: support XZ-compressed kernel	2011-01-13 08:03:25 -08:00
bootparam.h	x86: Add device tree support	2011-02-23 22:27:52 +01:00
bug.h
bugs.h
byteorder.h
cache.h
cacheflush.h	x86: Fix common misspellings	2011-03-18 10:39:30 +01:00
calgary.h	x86, iommu: Make all IOMMU's detection routines return a value.	2010-08-26 15:13:13 -07:00
calling.h	x86, asm: Fix CFI macro invocations to deal with shortcomings in gas	2010-10-19 14:28:02 -07:00
ce4100.h	x86: ce4100: Set pci ops via callback instead of module init	2011-03-14 15:13:23 +01:00
checksum.h
checksum_32.h
checksum_64.h
cmpxchg.h
cmpxchg_32.h
cmpxchg_64.h
compat.h	compat: Make compat_alloc_user_space() incorporate the access_ok()	2010-09-14 16:08:45 -07:00
cpu.h	x86: Fix mwait_usable section mismatch	2011-02-14 12:08:28 +01:00
cpufeature.h	perf, x86: Add support for AMD family 15h core counters	2011-02-16 13:30:53 +01:00
cpumask.h
cputime.h
current.h
debugreg.h	x86: Use this_cpu_ops to optimize code	2010-12-30 12:20:28 +01:00
delay.h
desc.h
desc_defs.h
device.h
div64.h
dma-mapping.h	dma-mapping: remove dma_is_consistent API	2010-08-11 08:59:21 -07:00
dma.h
dmi.h
dwarf2.h	x86: Use {push,pop}{l,q}_cfi in more places	2010-09-03 08:14:11 +02:00
e820.h	x86: e820: Remove conditional early mapping in parse_e820_ext	2011-02-23 22:27:52 +01:00
edac.h
efi.h	x86, memblock: Replace e820_/_early string with memblock_	2010-08-27 11:13:47 -07:00
elf.h
emergency-restart.h
entry_arch.h	x86: Allocate 32 tlb_invalidate_interrupt handler stubs	2011-02-14 13:03:08 +01:00
errno.h
fb.h
fcntl.h
fixmap.h	x86: Fix Moorestown VRTC fixmap placement	2011-01-11 12:46:16 +01:00
floppy.h
frame.h	x86: Use {push,pop}_cfi in more places	2011-02-28 18:06:22 +01:00
ftrace.h
futex.h	futex: Sanitize futex ops argument types	2011-03-11 12:23:31 +01:00
gart.h	Merge branch 'x86-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2010-10-21 14:23:48 -07:00
genapic.h
geode.h
gpio.h	x86/gpio: Implement x86 gpio_to_irq convert function	2011-01-11 12:46:15 +01:00
hardirq.h	irq_work: Add generic hardirq context callbacks	2010-10-18 19:58:50 +02:00
highmem.h	mm: stack based kmap_atomic()	2010-10-26 16:52:08 -07:00
hpet.h	x86: ioapic/hpet: Convert to new chip functions	2010-10-12 16:53:37 +02:00
hugetlb.h
hw_breakpoint.h	x86: Fix instruction breakpoint encoding	2010-09-17 03:24:13 +02:00
hw_irq.h	x86: Allocate 32 tlb_invalidate_interrupt handler stubs	2011-02-14 13:03:08 +01:00
hypertransport.h
hyperv.h
hypervisor.h	xen: HVM X2APIC support	2011-01-07 10:03:50 -05:00
i387.h	x86-64, asm: Use fxsaveq/fxrestorq in more places	2010-10-22 15:33:38 -07:00
i8253.h
i8259.h	x86: i8259: Convert to new irq_chip functions	2010-10-12 16:53:36 +02:00
ia32.h
ia32_unistd.h
idle.h
inat.h
inat_types.h
init.h	x86: Rename e820_table_* to pgt_buf_*	2011-02-24 14:52:18 +01:00
insn.h
inst.h
intel_scu_ipc.h
io.h	Merge branch 'stable/xen-pcifront-0.8.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen	2010-10-28 17:11:17 -07:00
io_apic.h	x86: ioapic: Move trigger defines to io_apic.h	2011-02-23 19:58:09 +01:00
ioctl.h
ioctls.h
iomap.h	mm: stack based kmap_atomic()	2010-10-26 16:52:08 -07:00
iommu.h
iommu_table.h	x86, iommu: Update header comments with appropriate naming	2010-10-08 13:11:21 -07:00
ipcbuf.h
ipi.h	x86: Make default_send_IPI_mask_sequence/allbutself_logical() 32bit only	2011-01-28 14:54:05 +01:00
irq.h	x86: Add device tree support	2011-02-23 22:27:52 +01:00
irq_controller.h	x86: dtb: Add irq domain abstraction	2011-02-23 22:27:53 +01:00
irq_regs.h
irq_remapping.h	x86: Speed up the irq_remapped check in hot pathes	2010-10-12 16:53:42 +02:00
irq_vectors.h	x86: Work around old gas bug	2011-03-03 12:47:08 +01:00
irqflags.h	Fix IRQ flag handling naming	2010-10-07 14:08:55 +01:00
ist.h
jump_label.h	x86: Fix jump label with RO/NX module protection crash	2011-01-23 16:12:45 +01:00
Kbuild	archs: replace unifdef-y with header-y	2010-08-14 22:26:51 +02:00
kdebug.h	x86, dumpstack: Correct stack dump info when frame pointer is available	2011-03-18 10:51:42 +01:00
kexec.h
kgdb.h	kgdb,x86: Individual register get/set for x86	2010-08-05 09:22:20 -05:00
kmap_types.h
kmemcheck.h
kprobes.h
kvm.h
kvm_emulate.h	KVM: SVM: copy instruction bytes from VMCB	2011-01-12 11:31:07 +02:00
kvm_host.h	thp: mmu_notifier_test_young	2011-01-13 17:32:46 -08:00
kvm_para.h	KVM: x86: Add missing inline tag to kvm_read_and_reset_pf_reason	2011-01-12 11:23:27 +02:00
ldt.h
lguest.h
lguest_hcall.h
linkage.h
local.h
local64.h
mach_timer.h
mach_traps.h	x86, NMI: Add NMI symbol constants and rename memory parity to PCI SERR	2011-01-07 15:08:51 +01:00
math_emu.h
mc146818rtc.h
mca.h
mca_dma.h
mce.h	x86, hwmon: Add core threshold notification to therm_throt.c	2011-01-03 08:30:30 -08:00
memblock.h	x86-32, memblock: Make add_highpages honor early reserved ranges	2010-10-05 21:44:35 -07:00
microcode.h	x86, microcode, AMD: Cleanup code a bit	2010-11-10 14:54:54 +01:00
mman.h
mmconfig.h
mmu.h
mmu_context.h	x86, mm: avoid possible bogus tlb entries by clearing prev mm_cpumask after switching mm	2011-02-03 13:32:39 -08:00
mmx.h
mmzone.h
mmzone_32.h
mmzone_64.h
module.h
mpspec.h	x86: Unify cpu/apicid <-> NUMA node mapping between 32 and 64bit	2011-01-28 14:54:09 +01:00
mpspec_def.h	x86: Fix APIC ID sizing bug on larger systems, clean up MAX_APICS confusion	2011-01-05 14:09:23 +01:00
mrst-vrtc.h	x86: mrst: Add vrtc driver which serves as a wall clock device	2010-11-11 11:34:27 +01:00
mrst.h	x86: mrst: Add vrtc driver which serves as a wall clock device	2010-11-11 11:34:27 +01:00
msgbuf.h
mshyperv.h
msidef.h
msr-index.h	Merge commit 'v2.6.38-rc8' into perf/core	2011-03-08 17:21:52 +01:00
msr.h
mtrr.h
mutex.h
mutex_32.h
mutex_64.h
mwait.h	x86, mwait: Move mwait constants to a common header file	2010-09-17 15:36:40 -07:00
nmi.h	x86: Fix common misspellings	2011-03-18 10:39:30 +01:00
nops.h	x86: Fix common misspellings	2011-03-18 10:39:30 +01:00
numa.h	x86-64, NUMA: Factor out memblk handling into numa_{add|register}_memblk()	2011-02-16 17:11:07 +01:00
numa_32.h	x86: Rename incorrectly named parameter of numa_cpu_node()	2011-01-31 18:22:25 +01:00
numa_64.h	x86-64, NUMA: Unify emulated distance mapping	2011-02-16 17:11:10 +01:00
numaq.h
olpc.h	x86: Fix common misspellings	2011-03-18 10:39:30 +01:00
olpc_ofw.h	x86: OLPC: Make OLPC=n build again	2011-02-23 11:54:02 +01:00
page.h	x86: Document __phys_reloc_hide() usage in __pa_symbol()	2010-08-11 08:43:49 +02:00
page_32.h
page_32_types.h
page_64.h
page_64_types.h
page_types.h	x86-64, NUMA: Revert NUMA affine page table allocation	2011-03-04 10:26:36 +01:00
param.h
paravirt.h	thp: fix PARAVIRT x86 32bit noPAE	2011-01-26 10:49:57 +10:00
paravirt_types.h	thp: add pmd paravirt ops	2011-01-13 17:32:39 -08:00
parport.h
pat.h
pci-direct.h
pci-functions.h
pci.h	x86: Add NX protection for kernel data	2010-11-18 12:52:04 +01:00
pci_64.h
pci_x86.h	x86/PCI: Clean up pci_cache_line_size	2010-10-18 10:49:30 -04:00
percpu.h	percpu, x86: Fix percpu_xchg_op()	2011-01-26 08:10:49 +01:00
perf_event.h	perf, arch: Cleanup perf-pmu init vs lockup-detector	2010-11-26 15:14:56 +01:00
perf_event_p4.h	x86: Fix common misspellings	2011-03-18 10:39:30 +01:00
pgalloc.h	tree-wide: fix comment/printk typos	2010-11-01 15:38:34 -04:00
pgtable-2level.h	thp: add x86 32bit support	2011-01-13 17:32:44 -08:00
pgtable-2level_types.h
pgtable-3level.h	x86: Flush TLB if PGD entry is changed in i386 PAE mode	2011-03-18 11:44:01 +01:00
pgtable-3level_types.h
pgtable.h	thp: don't allow transparent hugepage support without PSE	2011-01-13 17:32:45 -08:00
pgtable_32.h	mm: remove pte_*map_nested()	2010-10-26 16:52:08 -07:00
pgtable_32_types.h
pgtable_64.h	thp: add x86 32bit support	2011-01-13 17:32:44 -08:00
pgtable_64_types.h
pgtable_types.h	thp: add pmd_modify	2011-01-13 17:32:44 -08:00
poll.h
posix_types.h
posix_types_32.h
posix_types_64.h
prctl.h
processor-cyrix.h
processor-flags.h	x86: Fix common misspellings	2011-03-18 10:39:30 +01:00
processor.h	x86: Move llc_shared_map out of cpu_info	2011-01-26 08:44:49 +01:00
prom.h	x86: dt: Cleanup local apic setup	2011-02-25 16:18:52 +01:00
proto.h
ptrace-abi.h	x86: Fix common misspellings	2011-03-18 10:39:30 +01:00
ptrace.h	x86: Fix common misspellings	2011-03-18 10:39:30 +01:00
pvclock-abi.h
pvclock.h	x86/pvclock: Zero last_value on resume	2010-11-28 09:33:20 +01:00
reboot.h
reboot_fixups.h
required-features.h
resource.h
resume-trace.h
rio.h
rtc.h
rwlock.h
rwsem.h	rwsem: Move duplicate function prototypes to linux/rwsem.h	2011-01-27 12:30:39 +01:00
scatterlist.h	remove needless ISA_DMA_THRESHOLD	2010-08-07 18:15:50 +02:00
seccomp.h
seccomp_32.h
seccomp_64.h
sections.h
segment.h	x86, asm: Fix CFI macro invocations to deal with shortcomings in gas	2010-10-19 14:28:02 -07:00
sembuf.h
serial.h
setup.h	x86: Add CE4100 platform support	2010-11-12 00:45:41 +01:00
setup_arch.h
shmbuf.h
shmparam.h
sigcontext.h
sigcontext32.h
sigframe.h
siginfo.h
signal.h
smp.h	Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2011-03-15 19:49:10 -07:00
smpboot_hooks.h	x86: Use u32 instead of long to set reset vector back to 0	2011-02-28 16:22:18 +01:00
socket.h
sockios.h
sparsemem.h
spinlock.h
spinlock_types.h
srat.h
stackprotector.h
stacktrace.h	x86, dumpstack: Correct stack dump info when frame pointer is available	2011-03-18 10:51:42 +01:00
stat.h
statfs.h
string.h
string_32.h
string_64.h
suspend.h
suspend_32.h
suspend_64.h
svm.h	KVM: SVM: copy instruction bytes from VMCB	2011-01-12 11:31:07 +02:00
swab.h
swiotlb.h	x86, swiotlb: Simplify SWIOTLB pci_swiotlb_detect routine.	2010-08-26 15:13:29 -07:00
sync_bitops.h
sys_ia32.h	Mark arguments to certain syscalls as being const	2010-08-13 16:53:13 -07:00
syscall.h
syscalls.h	Make do_execve() take a const filename pointer	2010-08-17 18:07:43 -07:00
system.h	x86, system.h: Drop unused __SAVE/__RESTORE macros	2011-02-20 13:38:47 +01:00
tce.h
termbits.h
termios.h
thread_info.h
time.h
timer.h	x86, nmi_watchdog: Remove all stub function calls from old nmi_watchdog	2010-11-18 09:08:23 +01:00
timex.h
tlb.h
tlbflush.h	x86-32, mm: Add an initial page table for core bootstrapping	2010-10-20 14:23:55 -07:00
topology.h	x86-64, NUMA: Implement generic node distance handling	2011-02-16 17:11:09 +01:00
trampoline.h	x86-32, mm: Add an initial page table for core bootstrapping	2010-10-20 14:23:55 -07:00
traps.h	KVM: Handle async PF in a guest.	2011-01-12 11:23:16 +02:00
tsc.h	x86: Fix common misspellings	2011-03-18 10:39:30 +01:00
types.h
uaccess.h
uaccess_32.h
uaccess_64.h
ucontext.h
unaligned.h
unistd.h
unistd_32.h	Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2011-03-15 18:53:35 -07:00
unistd_64.h	Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2011-03-15 18:53:35 -07:00
user.h
user32.h
user_32.h
user_64.h
vdso.h
vga.h
vgtod.h
virtext.h
vm86.h
vmx.h	KVM: VMX: Add definitions for more vm entry/exit control bits	2011-01-12 11:31:08 +02:00
vsyscall.h
x86_init.h	x86/platform: Add a wallclock_init func to x86_init.timers ops	2011-02-14 18:20:43 +01:00
xcr.h
xor.h
xor_32.h
xor_64.h
xsave.h	Merge branch 'x86-xsave-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2010-08-06 16:25:13 -07:00