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Date: Fri, 2 Dec 2016 20:30:35 +0100
From: Borislav Petkov <bp@alien8.de>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        Borislav Petkov <bp@kernel.org>, Andy Lutomirski <luto@kernel.org>,
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        Peter Zijlstra <peterz@infradead.org>,
        Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH v2 5/6] x86/xen: Add a Xen-specific sync_core()
 implementation
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On Fri, Dec 02, 2016 at 11:23:09AM -0800, Andy Lutomirski wrote:
> Not even firmware loading wants it.  Firmware loading needs

Microcode...

> specifically cpuid(eax=1).  It has nothing to do with serializing

... but yes, of course. NOT sync_core() but CPUID(1).

Thanks!

-- 
Regards/Gruss,
    Boris.

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