From: Peter Zijlstra <peterz@infradead.org>
To: Vince Weaver <vince@deater.net>
Cc: junk@eslaf.co.uk, alan@lxorguk.ukuu.org.uk,
Ingo Molnar <mingo@kernel.org>,
Stephane Eranian <eranian@google.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf,x86,p6: Add userspace RDPMC quirk for P6
Date: Wed, 5 Feb 2014 20:20:12 +0100 [thread overview]
Message-ID: <20140205192012.GL2936@laptop.programming.kicks-ass.net> (raw)
In-Reply-To: <alpine.DEB.2.02.1402051415190.16225@pianoman.cluster.toy>
On Wed, Feb 05, 2014 at 02:16:43PM -0500, Vince Weaver wrote:
> On Wed, 5 Feb 2014, Peter Zijlstra wrote:
>
> > P6 class machines can die hard when PCE gets enabled due to CPU
> > errata. The safe way it so disable it by default and keep it disabled.
> >
> > See errata 26:
>
> so you take an errata applicable to a subset of Pentium Pro steppings and
> apply it to the whole p6 line (which includes the whole way up to Pentium
> III)?
>
> Or am I missing something in the documentation you link to?
I forgot it went all the way to P-III, let me try and find the other
erratas.
next prev parent reply other threads:[~2014-02-05 19:20 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-05 10:27 [PATCH] perf,x86,p6: Add userspace RDPMC quirk for P6 Peter Zijlstra
2014-02-05 19:16 ` Vince Weaver
2014-02-05 19:20 ` Peter Zijlstra [this message]
2014-02-05 19:29 ` Vince Weaver
2014-02-05 19:37 ` Vince Weaver
2014-02-05 19:55 ` Peter Zijlstra
2014-02-05 20:04 ` Vince Weaver
2014-02-05 20:20 ` Peter Zijlstra
2014-02-05 19:53 ` Peter Zijlstra
2014-02-05 19:48 ` Peter Zijlstra
2014-02-06 19:41 ` Mark Davies
2014-02-06 20:38 ` Peter Zijlstra
2014-02-06 22:15 ` Mark Davies
2014-02-07 7:52 ` Peter Zijlstra
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