Historically machine checks on Intel X86 processors have been broadcast to all logical processors in the system. Upcoming CPUs will support an opt-in mechanism to request some machine checks delivered to a single logical processor experiencing the fault.
For more details see Vol3, Chapter 15, Machine Check Architecture. Ashok Raj (3): x86, mce: Add LMCE definitions. x86, mce: Add infrastructure required to support LMCE x86, mce: Handling LMCE events Documentation/x86/x86_64/boot-options.txt | 3 ++ arch/x86/include/asm/mce.h | 10 ++++ arch/x86/include/uapi/asm/msr-index.h | 2 + arch/x86/kernel/cpu/mcheck/mce.c | 28 ++++++++++-- arch/x86/kernel/cpu/mcheck/mce_intel.c | 76 +++++++++++++++++++++++++++++++ 5 files changed, 116 insertions(+), 3 deletions(-) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
