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 <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: Ingo Molnar <mingo@kernel.org>
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arch/x86/include/uapi/asm
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@ -15,7 +15,8 @@ struct mce {
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__u64 time; /* wall time_t when error was detected */
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__u8 cpuvendor; /* cpu vendor as encoded in system.h */
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__u8 inject_flags; /* software inject flags */
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__u16 pad;
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__u8 severity;
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__u8 usable_addr;
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__u32 cpuid; /* CPUID 1 EAX */
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__u8 cs; /* code segment */
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__u8 bank; /* machine check bank */
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