]> git.baikalelectronics.ru Git - kernel.git/commit
x86/asm/64: Clear AC on NMI entries
authorAndy Lutomirski <luto@kernel.org>
Tue, 8 Aug 2017 02:43:13 +0000 (19:43 -0700)
committerIngo Molnar <mingo@kernel.org>
Thu, 10 Aug 2017 11:13:15 +0000 (13:13 +0200)
commit62bb2ea6cb0d96179243b4e619422e06460c1623
tree34dea282e59b05d5e40da598295d46af3602127b
parentd72f56560e645b139c9b2bf536c302261ee14c23
x86/asm/64: Clear AC on NMI entries

This closes a hole in our SMAP implementation.

This patch comes from grsecurity. Good catch!

Signed-off-by: Andy Lutomirski <luto@kernel.org>
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: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/314cc9f294e8f14ed85485727556ad4f15bb1659.1502159503.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/entry/entry_64.S