commit 370a132bb2227ff76278f98370e0e701d86ff752 upstream. When preparing an MCE record for logging, boot_cpu_data.microcode is used to read out the microcode revision on the box. However, on systems where late microcode update has happened, the microcode revision output in a MCE log record is wrong because boot_cpu_data.microcode is not updated when the microcode gets updated. But, the microcode revision saved in boot_cpu_data's microcode member should be kept up-to-date, regardless, for consistency. Make it so. Fixes: fa94d0c6e0f3 ("x86/MCE: Save microcode revision in machine check records") Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: sironi@amazon.de Link: http://lkml.kernel.org/r/20180731112739.32338-1-prarit@redhat.com [bwh: Backported to 4.4: adjust context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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