From 20d51a426fe9a0d0a63cc3a7488f621c8bac37e1 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Wed, 12 Aug 2015 18:29:33 +0200 Subject: [PATCH] x86/mce: Reuse one of the u16 padding fields in 'struct mce' ... to save the error severity of the MCE and whether the reported address of the error is usable. Signed-off-by: Borislav Petkov Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Tony Luck Link: http://lkml.kernel.org/r/1439396985-12812-2-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar --- arch/x86/include/uapi/asm/mce.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/uapi/asm/mce.h b/arch/x86/include/uapi/asm/mce.h index a0eab85..76880ed 100644 --- a/arch/x86/include/uapi/asm/mce.h +++ b/arch/x86/include/uapi/asm/mce.h @@ -15,7 +15,8 @@ struct mce { __u64 time; /* wall time_t when error was detected */ __u8 cpuvendor; /* cpu vendor as encoded in system.h */ __u8 inject_flags; /* software inject flags */ - __u16 pad; + __u8 severity; + __u8 usable_addr; __u32 cpuid; /* CPUID 1 EAX */ __u8 cs; /* code segment */ __u8 bank; /* machine check bank */ -- 2.7.4