linux-kernel - Re: [PATCH] x86, CPU, AMD: Add workaround for family 16h, erratum 793

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Message-ID: <20140116181044.GG22492@pd.tnic>
Date:	Thu, 16 Jan 2014 19:10:44 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Aravind Gopalakrishnan <aravind.gopalakrishnan@....com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Henrique de Moraes Holschuh <hmh@....eng.br>,
	X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	Kim Naru <kim.naru@....com>,
	Sherry Hurwitz <sherry.hurwitz@....com>
Subject: Re: [PATCH] x86, CPU, AMD: Add workaround for family 16h, erratum 793

On Thu, Jan 16, 2014 at 11:58:13AM -0600, Aravind Gopalakrishnan wrote:
> We might want to still have a software fix for this just in case
> someone uses older BIOSes..

Are you saying there are F16h BIOSes out there which might not have the
fix?

Also, for PCI config space fixes, take a look at
arch/x86/kernel/quirks.c

Also, code in arch/x86/kernel/amd_nb.c could come in handy, especially
if you have multiple F16h sockets configurations.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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