From: "H. Peter Anvin" <hpa@zytor.com>
To: "Petkov, Borislav" <Borislav.Petkov@amd.com>
Cc: Borislav Petkov <bp@amd64.org>, Daniel Drake <dsd@laptop.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Geode LX boot fails after x86 microcode revision change
Date: Tue, 08 Nov 2011 14:19:29 -0800 [thread overview]
Message-ID: <4EB9AAF1.4040103@zytor.com> (raw)
In-Reply-To: <F625F33982F5D847987879CC59FF132D6F5B@storexdag03.amd.com>
On 11/08/2011 02:13 PM, Petkov, Borislav wrote:
>
> This could definitely explain why it hangs, the rdmsr_safe call is
> in early_init_amd(), so it could really be too early for exception tables.
>
Yes, it is.
> If so, then a family check is unavoidable.
Either that, or make changes so that we can handle exceptions earlier.
That would be useful for other reasons.
-hpa
next prev parent reply other threads:[~2011-11-08 22:19 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-08 19:59 Geode LX boot fails after x86 microcode revision change Daniel Drake
2011-11-08 20:31 ` Borislav Petkov
2011-11-08 22:01 ` H. Peter Anvin
2011-11-08 22:13 ` Petkov, Borislav
2011-11-08 22:17 ` Daniel Drake
2011-11-08 22:37 ` Borislav Petkov
2011-11-08 22:59 ` Daniel Drake
2011-11-09 17:34 ` Borislav Petkov
2011-11-10 13:05 ` Srivatsa S. Bhat
2011-11-10 13:28 ` Borislav Petkov
2011-11-10 13:37 ` Srivatsa S. Bhat
2011-11-10 13:34 ` Srivatsa S. Bhat
2011-11-11 18:40 ` Daniel Drake
2011-11-12 13:50 ` Borislav Petkov
2011-11-08 22:19 ` H. Peter Anvin [this message]
2011-11-08 22:40 ` Borislav Petkov
2011-11-22 13:00 ` Borislav Petkov
2011-11-22 18:54 ` H. Peter Anvin
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