Re: [PATCH] x86, CPU, AMD: Add workaround for family 16h, erratum793
From: Pavel Machek
Date: Sat Jan 18 2014 - 06:31:50 EST
On Sat 2014-01-18 12:26:20, Borislav Petkov wrote:
> On Sat, Jan 18, 2014 at 12:08:29PM +0100, Pavel Machek wrote:
> > ?? By the time userspace is booted, you have overwritten the MSR, and
> > information, if the BIOS is buggy, was lost.
> Bullshit - if you don't apply the workaround, the bit in the MSR remains
If you do not apply the workaround, you have the buggy system that may
or may not boot. There's even CVE for it.
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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