linux-kernel - Re: [PATCH] perf,x86,p6: Add userspace RDPMC quirk for P6

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 5 Feb 2014 20:20:12 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Vince Weaver <vince@...ter.net>
Cc:	junk@...af.co.uk, alan@...rguk.ukuu.org.uk,
	Ingo Molnar <mingo@...nel.org>,
	Stephane Eranian <eranian@...gle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf,x86,p6: Add userspace RDPMC quirk for P6

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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/