Re: [PATCH 1/2] x86/microcode: Update late microcode in parallel

From: Borislav Petkov
Date: Mon Aug 26 2019 - 09:03:33 EST

On Mon, Aug 26, 2019 at 08:53:05AM -0400, Boris Ostrovsky wrote:
> What is the advantage of having those other threads go through
> find_patch() and (in Intel case) intel_get_microcode_revision() (which
> involves two MSR accesses) vs. having the master sibling update slaves'
> microcode revisions? There are only two things that need to be updated,
> uci->cpu_sig.rev and c->microcode.

Less code churn and simplicity.

I accept non-ugly patches, of course. :-)


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