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Commit 20d51a42 authored by Borislav Petkov's avatar Borislav Petkov Committed by Ingo Molnar
Browse files

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: default avatarBorislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/1439396985-12812-2-git-send-email-bp@alien8.de


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 58ccab91

arch/x86/include/uapi/asm/mce.h

+2 −1
Original line number Diff line number Diff line
@@ -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 */