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x86/mce: Fix copy/paste error in exception table entries
Back in commit:92b0729c34
("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 <tony.luck@intel.com> Cc: <stable@vger.kernel.org> Cc: 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> Fixes:92b0729c34
("x86/mm, x86/mce: Add memcpy_mcsafe()") Link: http://lkml.kernel.org/r/1490046030-25862-1-git-send-email-tony.luck@intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -290,7 +290,7 @@ EXPORT_SYMBOL_GPL(memcpy_mcsafe_unrolled)
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_ASM_EXTABLE_FAULT(.L_copy_leading_bytes, .L_memcpy_mcsafe_fail)
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_ASM_EXTABLE_FAULT(.L_cache_w0, .L_memcpy_mcsafe_fail)
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_ASM_EXTABLE_FAULT(.L_cache_w1, .L_memcpy_mcsafe_fail)
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_ASM_EXTABLE_FAULT(.L_cache_w3, .L_memcpy_mcsafe_fail)
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_ASM_EXTABLE_FAULT(.L_cache_w2, .L_memcpy_mcsafe_fail)
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_ASM_EXTABLE_FAULT(.L_cache_w3, .L_memcpy_mcsafe_fail)
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_ASM_EXTABLE_FAULT(.L_cache_w4, .L_memcpy_mcsafe_fail)
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_ASM_EXTABLE_FAULT(.L_cache_w5, .L_memcpy_mcsafe_fail)
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