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authorTony Luck <[email protected]>2017-03-20 21:40:30 +0000
committerIngo Molnar <[email protected]>2017-03-22 07:43:25 +0000
commit26a37ab319a26d330bab298770d692bb9c852aff (patch)
treeafe17eedd5552b7587ab4eeecced5fd432a39b5c /lib/syscall.c
parentx86/platform/uv: Fix calculation of Global Physical Address (diff)
downloadkernel-26a37ab319a26d330bab298770d692bb9c852aff.tar.gz
kernel-26a37ab319a26d330bab298770d692bb9c852aff.zip
x86/mce: Fix copy/paste error in exception table entries
Back in commit: 92b0729c34cab ("x86/mm, x86/mce: Add memcpy_mcsafe()") ... I made a copy/paste error setting up the exception table entries and ended up with two for label .L_cache_w3 and none for .L_cache_w2. This means that if we take a machine check on: .L_cache_w2: movq 2*8(%rsi), %r10 then we don't have an exception table entry for this instruction and we can't recover. Fix: s/3/2/ Signed-off-by: Tony Luck <[email protected]> Cc: <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brian Gerst <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Josh Poimboeuf <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Fixes: 92b0729c34cab ("x86/mm, x86/mce: Add memcpy_mcsafe()") Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
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