From: "H. Peter Anvin" <hpa@zytor.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
X86 ML <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
Kim Naru <kim.naru@amd.com>,
Aravind Gopalakrishnan <aravind.gopalakrishnan@amd.com>,
Sherry Hurwitz <sherry.hurwitz@amd.com>
Subject: Re: [PATCH] x86, CPU, AMD: Add workaround for family 16h, erratum 793
Date: Tue, 14 Jan 2014 08:30:31 -0800 [thread overview]
Message-ID: <52D56627.9060802@zytor.com> (raw)
In-Reply-To: <20140114162722.GF29865@pd.tnic>
On 01/14/2014 08:27 AM, Borislav Petkov wrote:
> From: Borislav Petkov <bp@suse.de>
>
> This adds the workaround for erratum 793 as a precaution in case not
> every BIOS implements it. This addresses CVE-2013-6885.
>
> Signed-off-by: Borislav Petkov <bp@suse.de>
> +
> +#define MSR_AMD_LS_CFG 0xc0011020
> + /* F16h, models 00h-0fh, erratum 793 */
> + if (c->x86 == 0x16 && c->x86_model <= 0xf) {
Please put MSR_AMD_LS_CFG in msr-index.h or at least at the top of the
file, and put the CVE reference in the comment.
Otherwise, looks good.
-hpa
next prev parent reply other threads:[~2014-01-14 16:31 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-14 11:41 AMD errata 793 (CVE-2013-6885) needs a workaround in Linux? Henrique de Moraes Holschuh
2014-01-14 11:55 ` Borislav Petkov
2014-01-14 15:14 ` H. Peter Anvin
2014-01-14 15:35 ` Borislav Petkov
2014-01-14 16:27 ` [PATCH] x86, CPU, AMD: Add workaround for family 16h, erratum 793 Borislav Petkov
2014-01-14 16:30 ` H. Peter Anvin [this message]
2014-01-14 16:42 ` Borislav Petkov
2014-01-14 17:46 ` H. Peter Anvin
2014-01-14 23:07 ` [PATCH -v1.1] " Borislav Petkov
2014-01-15 0:38 ` H. Peter Anvin
2014-01-15 11:10 ` [PATCH -v1.2] " Borislav Petkov
2014-01-15 0:45 ` [tip:x86/urgent] x86, cpu, amd: " tip-bot for Borislav Petkov
2014-01-15 0:54 ` H. Peter Anvin
2014-01-15 6:28 ` Ingo Molnar
2014-01-15 13:36 ` Borislav Petkov
2014-01-15 13:52 ` H. Peter Anvin
2014-01-15 18:38 ` Ingo Molnar
2014-01-16 4:11 ` H. Peter Anvin
[not found] ` <52D59ACC.3090100@amd.com>
2014-01-14 20:38 ` [PATCH] x86, CPU, AMD: " Borislav Petkov
2014-01-16 17:58 ` Aravind Gopalakrishnan
2014-01-16 18:10 ` Borislav Petkov
2014-01-17 0:21 ` Henrique de Moraes Holschuh
2014-01-17 0:25 ` H. Peter Anvin
2014-01-17 10:18 ` Borislav Petkov
2014-01-17 16:23 ` H. Peter Anvin
2014-01-17 17:02 ` Borislav Petkov
2014-01-17 17:36 ` Aravind Gopalakrishnan
2014-01-17 17:42 ` H. Peter Anvin
2014-01-17 18:05 ` Aravind Gopalakrishnan
2014-01-17 18:25 ` Borislav Petkov
2014-01-17 22:28 ` Pavel Machek
2014-01-17 22:50 ` Borislav Petkov
2014-01-17 22:51 ` H. Peter Anvin
2014-01-17 22:57 ` Borislav Petkov
2014-01-18 0:29 ` Pavel Machek
2014-01-18 1:21 ` H. Peter Anvin
2014-01-18 2:01 ` Pavel Machek
2014-01-18 10:42 ` Borislav Petkov
2014-01-18 11:08 ` Pavel Machek
2014-01-18 11:26 ` Borislav Petkov
2014-01-18 11:31 ` Pavel Machek
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