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ee1b5b165c
linux/arch/x86
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Bryan O'Donoghue ee1b5b165c x86/intel/quark: Switch off CR4.PGE so TLB flush uses CR3 instead 
Quark x1000 advertises PGE via the standard CPUID method
PGE bits exist in Quark X1000's PTEs. In order to flush
an individual PTE it is necessary to reload CR3 irrespective
of the PTE.PGE bit.

See Quark Core_DevMan_001.pdf section 6.4.11

This bug was fixed in Galileo kernels, unfixed vanilla kernels are expected to
crash and burn on this platform.

Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Cc: Borislav Petkov <bp@alien8.de>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/1411514784-14885-1-git-send-email-pure.logic@nexus-software.ie
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-09-24 15:06:15 +02:00
..
boot * Enforce CONFIG_RELOCATABLE for the x86 EFI boot stub, otherwise 2014-08-11 13:58:54 -07:00
configs USB: remove CONFIG_USB_DEBUG from defconfig files 2014-05-28 09:40:45 -07:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2014-08-04 09:52:51 -07:00
ia32 x86, vdso: Reimplement vdso.so preparation in build-time C 2014-05-05 13:18:51 -07:00
include Revert "KVM: x86: Increase the number of fixed MTRR regs to 10" 2014-08-19 15:12:28 +02:00
kernel x86/intel/quark: Switch off CR4.PGE so TLB flush uses CR3 instead 2014-09-24 15:06:15 +02:00
kvm KVM: x86: do not check CS.DPL against RPL during task switch 2014-08-19 15:12:28 +02:00
lguest asmlinkage, x86: Add explicit __visible to arch/x86/* 2014-05-05 16:07:44 -07:00
lib Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-06-12 19:18:49 -07:00
math-emu asmlinkage, x86: Add explicit __visible to arch/x86/* 2014-05-05 16:07:44 -07:00
mm * WARN_ON(!spin_is_locked()) always triggers on non-SMP machines. 2014-08-22 10:04:15 +02:00
net net: filter: split 'struct sk_filter' into socket and bpf parts 2014-08-02 15:03:58 -07:00
oprofile x86, oprofile, nmi: Fix CPU hotplug callback registration 2014-03-20 13:43:43 +01:00
pci Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-08-13 18:23:32 -06:00
platform Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-08-13 18:23:32 -06:00
power x86, power, suspend: Annotate restore_processor_state() with notrace 2014-07-17 09:45:05 -04:00
purgatory kexec: support for kexec on panic using new system call 2014-08-08 15:57:33 -07:00
realmode x86/build: Supress realmode.bin is up to date message 2014-04-16 15:17:24 +02:00
syscalls kexec: new syscall kexec_file_load() declaration 2014-08-08 15:57:32 -07:00
tools x86/build: Supress "Nothing to be done for ..." messages 2014-04-14 11:44:36 +02:00
um Merge branch 'signal-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc 2014-08-09 09:58:12 -07:00
vdso arm64,ia64,ppc,s390,sh,tile,um,x86,mm: remove default gate area 2014-08-08 15:57:27 -07:00
video
xen x86/xen: use vmap() to map grant table pages in PVH guests 2014-08-11 11:59:35 +01:00
.gitignore
Kbuild purgatory: core purgatory functionality 2014-08-08 15:57:32 -07:00
Kconfig x86/platform/intel/iosf: Add debugfs config option for IOSF 2014-09-19 13:08:43 +02:00
Kconfig.cpu Merge branch 'x86-nuke-platforms-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-04-02 13:15:58 -07:00
Kconfig.debug x86/efi: Dump the EFI page table 2014-03-04 16:17:17 +00:00
Makefile purgatory: core purgatory functionality 2014-08-08 15:57:32 -07:00
Makefile_32.cpu
Makefile.um