tree 47c242f71716d90d80c84f6e8c2ac576737fc4a3
parent e3b3121fa8da94cb20f9e0c64ab7981ae47fd085
author Borislav Petkov <bp@suse.de> 1521052574 +0100
committer Thomas Gleixner <tglx@linutronix.de> 1521230151 +0100

x86/microcode: Attempt late loading only when new microcode is present

Return UCODE_NEW from the scanning functions to denote that new microcode
was found and only then attempt the expensive synchronization dance.

Reported-by: Emanuel Czirai <xftroxgpx@protonmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Emanuel Czirai <xftroxgpx@protonmail.com>
Tested-by: Ashok Raj <ashok.raj@intel.com>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lkml.kernel.org/r/20180314183615.17629-1-bp@alien8.de