From: Boris Ostrovsky <boris.ostrovsky@amd.com>
To: Ian Campbell <ijc@hellion.org.uk>
Cc: debian-kernel <debian-kernel@lists.debian.org>,
Jan Beulich <JBeulich@suse.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: pvops microcode support for AMD FAM >= 15
Date: Wed, 5 Dec 2012 12:33:05 -0500 [thread overview]
Message-ID: <50BF8551.6000607@amd.com> (raw)
In-Reply-To: <1354727148.17165.23.camel@zakaz.uk.xensource.com>
On 12/05/2012 12:05 PM, Ian Campbell wrote:
>
> I looked at trying to apply the same logic to the Xen side of things but
> it is different enough that I can't immediately see how.
> microcode_fits() would seem to be the place to do it, but I'm not at all
> sure what this equiv table stuff is all about.
>
Because more than one processor revision may require the same patch we
group processors into "equivalence classes". The mapping is stored in
the patch file header.
The Equivalent Processor ID is verified by HW when the patch is being
loaded.
-boris
next prev parent reply other threads:[~2012-12-05 17:33 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1353936077.5830.30.camel@zakaz.uk.xensource.com>
2012-11-26 13:44 ` pvops microcode support for AMD FAM >= 15 Jan Beulich
2012-11-26 14:13 ` Ian Campbell
[not found] ` <1353939218.5830.34.camel@zakaz.uk.xensource.com>
2012-11-26 14:58 ` Boris Ostrovsky
2012-11-26 23:47 ` Boris Ostrovsky
2012-12-05 12:43 ` Ian Campbell
[not found] ` <1354711402.15296.188.camel@zakaz.uk.xensource.com>
2012-12-05 14:01 ` Ian Campbell
2012-12-05 16:48 ` Boris Ostrovsky
2012-12-05 17:02 ` Jan Beulich
2012-12-05 17:27 ` Boris Ostrovsky
2012-12-05 17:53 ` Ian Campbell
[not found] ` <1354730007.17165.31.camel@zakaz.uk.xensource.com>
2012-12-06 10:08 ` Ian Campbell
2012-12-06 11:13 ` Jan Beulich
2012-12-06 13:08 ` Boris Ostrovsky
2012-12-06 13:17 ` Jan Beulich
2012-12-05 17:05 ` Ian Campbell
[not found] ` <1354727148.17165.23.camel@zakaz.uk.xensource.com>
2012-12-05 17:33 ` Boris Ostrovsky [this message]
2012-12-05 12:46 ` Ian Campbell
[not found] ` <1354711599.15296.191.camel@zakaz.uk.xensource.com>
2012-12-05 21:47 ` Konrad Rzeszutek Wilk
2012-12-06 8:34 ` Ian Campbell
[not found] ` <1354782871.28777.12.camel@dagon.hellion.org.uk>
2012-12-06 10:59 ` Jan Beulich
2012-12-19 20:28 ` Konrad Rzeszutek Wilk
2012-12-05 13:10 ` Ben Guthro
2012-11-26 13:21 Ian Campbell
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