x86/microcode: Print previous version of microcode after reload

mainline inclusion
from mainline-v6.1-rc1
commit 7fce8d6e
category: feature
feature: Backport Intel In Field Scan(IFS) multi-blob images support
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I6L337
CVE: N/A
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/


commit/?id=7fce8d6e

Intel-SIG: commit 7fce8d6e ("x86/microcode: Print previous version of microcode after reload")

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x86/microcode: Print previous version of microcode after reload

Print both old and new versions of microcode after a reload is complete
because knowing the previous microcode version is sometimes important
from a debugging perspective.

  [ bp: Massage commit message. ]

Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20220829181030.722891-1-ashok.raj@intel.com


Signed-off-by: Aichun Shi <aichun.shi@intel.com>