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
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e3b3121f
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