From: Andi Kleen <ak@suse.de>
To: "Andreas Herrmann" <andreas.herrmann3@amd.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: limit mwait_idle to Intel CPUs
Date: Thu, 5 Apr 2007 16:24:45 +0200 [thread overview]
Message-ID: <200704051624.45747.ak@suse.de> (raw)
In-Reply-To: <20070405140045.GN6356@alberich.amd.com>
On Thursday 05 April 2007 16:00:45 Andreas Herrmann wrote:
>
> Commit 991528d7348667924176f3e29addea0675298944
> introduced mwait_idle which is supposed to work
> for Intel CPUs starting with Core Duo.
>
> AMD Fam10 processors won't enter C1 on mwait.
Unfortunate. Will this be fixed?
> This patch will enable default_idle for non-Intel
> CPUs even if mwait is supported.
It would be better to clear MONITOR/MWAIT in the AMD specific
CPU initialize code than add workarounds everywhere else.
-Andi
next prev parent reply other threads:[~2007-04-05 14:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-05 14:00 [PATCH] x86: limit mwait_idle to Intel CPUs Andreas Herrmann
2007-04-05 14:24 ` Andi Kleen [this message]
2007-04-05 14:44 ` Andreas Herrmann
2007-04-05 15:37 ` Andi Kleen
2007-04-05 16:20 ` Andreas Herrmann
2007-04-05 16:55 ` H. Peter Anvin
2007-04-05 17:06 ` Markus Rechberger
2007-04-05 17:36 ` H. Peter Anvin
2007-04-05 21:12 ` aherrman
2007-04-05 21:19 ` H. Peter Anvin
2007-04-05 17:05 ` Andi Kleen
2007-04-05 14:46 ` Langsdorf, Mark
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