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Export the function which checks whether an MCE is a memory error to other users so that we can reuse the logic. Drop the boot_cpu_data use, while at it, as mce.cpuvendor already has the CPU vendor in there. Integrate a piece from a patch from Vishal Verma <vishal.l.verma@intel.com> to export it for modules (nfit). The main reason we're exporting it is that the nfit handler nfit_handle_mce() needs to detect a memory error properly before doing its recovery actions. Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: <stable@vger.kernel.org> Link: http://lkml.kernel.org/r/20170519093915.15413-2-bp@alien8.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>