AuxXxilium/linux_dsm_epyc7002
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8bb5643686
linux_dsm_epyc7002/arch/x86
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Andy Lutomirski 8bb5643686 x86/entry/traps: Clear DR6 early in do_debug() and improve the comment 
Leaving any bits set in DR6 on return from a debug exception is
asking for trouble.  Prevent it by writing zero right away and
clarify the comment.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/3857676e1be8fb27db4b89bbb1e2052b7f435ff4.1457578375.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-03-10 09:48:13 +01:00
..
boot x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
configs
crypto Merge branch 'x86/urgent' into x86/asm, to pick up fixes 2016-02-18 09:28:03 +01:00
entry x86/entry/32: Restore FLAGS on SYSEXIT 2016-03-10 09:48:12 +01:00
ia32
include x86/entry/32: Introduce and use X86_BUG_ESPFIX instead of paravirt_enabled 2016-03-08 14:16:44 +01:00
kernel x86/entry/traps: Clear DR6 early in do_debug() and improve the comment 2016-03-10 09:48:13 +01:00
kvm kvm: x86: Update tsc multiplier on change. 2016-03-02 10:37:32 +01:00
lguest
lib Merge branch 'x86/urgent' into x86/asm, to pick up fixes 2016-02-18 09:28:03 +01:00
math-emu
mm Linux 4.5-rc7 2016-03-07 09:27:30 +01:00
net
oprofile x86/cpufeature: Carve out X86_FEATURE_* 2016-01-30 11:22:17 +01:00
pci PCI updates for v4.5: 2016-02-27 12:33:42 -08:00
platform x86/platform/intel/quark: Change the kernel's IMR lock bit to false 2016-02-23 07:35:53 +01:00
power
purgatory
ras
realmode
tools
um Linux 4.5-rc7 2016-03-07 09:27:30 +01:00
video
xen
.gitignore
Kbuild
Kconfig hpet: Drop stale URLs 2016-02-17 09:39:56 +01:00
Kconfig.cpu
Kconfig.debug x86/cpufeature: Replace the old static_cpu_has() with safe variant 2016-01-30 11:22:18 +01:00
Makefile
Makefile_32.cpu
Makefile.um