AuxXxilium/linux_dsm_epyc7002
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03bbd596ac
linux_dsm_epyc7002/arch/x86
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H. Peter Anvin 03bbd596ac x86, smap: Don't enable SMAP if CONFIG_X86_SMAP is disabled 
If SMAP support is not compiled into the kernel, don't enable SMAP in
CR4 -- in fact, we should clear it, because the kernel doesn't contain
the proper STAC/CLAC instructions for SMAP support.

Found by Fengguang Wu's test system.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Link: http://lkml.kernel.org/r/20140213124550.GA30497@localhost
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@vger.kernel.org> # v3.7+
2014-02-13 07:50:25 -08:00
..
boot x86, boot: Fix word-size assumptions in has_eflag() inline asm 2014-01-30 08:04:32 -08:00
configs
crypto crypto: aesni - fix build on x86 (32bit) 2014-01-15 11:36:34 +08:00
ia32 constify copy_siginfo_to_user{,32}() 2013-11-09 00:16:29 -05:00
include Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-02-08 11:54:43 -08:00
kernel x86, smap: Don't enable SMAP if CONFIG_X86_SMAP is disabled 2014-02-13 07:50:25 -08:00
kvm kvm: x86: move KVM_CAP_HYPERV_TIME outside #ifdef 2014-01-29 18:10:45 +01:00
lguest x86, asmlinkage, lguest: Fix C functions used by inline assembler 2014-01-29 22:17:17 -08:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
math-emu x86: math-emu: Drop already-disabled print of build date 2014-01-27 23:14:12 +01:00
mm Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-02-08 11:54:43 -08:00
net bpf: do not use reciprocal divide 2014-01-15 17:02:08 -08:00
oprofile
pci ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
platform x86/efi: Allow mapping BGRT on x86-32 2014-02-05 23:39:34 +00:00
power
realmode Merge commit 'f4bcd8ccddb02833340652e9f46f5127828eb79d' into x86/build 2014-01-29 09:07:00 -08:00
syscalls sched: Add new scheduler syscalls to support an extended scheduling parameters ABI 2014-01-13 13:41:04 +01:00
tools Merge commit 'f4bcd8ccddb02833340652e9f46f5127828eb79d' into x86/build 2014-01-29 09:07:00 -08:00
um um, x86: Fix vDSO build 2014-01-12 16:47:31 +01:00
vdso Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-01-20 12:03:57 -08:00
video
xen Bug-fixes: 2014-02-05 16:01:11 -08:00
.gitignore
Kbuild
Kconfig * Avoid WARN_ON() when mapping BGRT on Baytrail (EFI 32-bit). 2014-02-07 11:27:30 -08:00
Kconfig.cpu
Kconfig.debug x86: Disable CONFIG_X86_DECODER_SELFTEST in allmod/allyesconfigs 2014-02-05 14:10:30 -08:00
Makefile x86, build: Build 16-bit code with -m16 where possible 2014-01-30 08:05:36 -08:00
Makefile_32.cpu
Makefile.um