From: "Andreas Herrmann" <andreas.herrmann3@amd.com>
To: "Andi Kleen" <ak@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86_64: prevent auto select of mwait_idle for AMD CPUs
Date: Wed, 11 Apr 2007 16:46:09 +0200 [thread overview]
Message-ID: <20070411144609.GE12476@alberich.amd.com> (raw)
In-Reply-To: <200704102011.18752.ak@suse.de>
On Tue, Apr 10, 2007 at 08:11:18PM +0200, Andi Kleen wrote:
> On Tuesday 10 April 2007 19:24:25 Andreas Herrmann wrote:
> > This fix is needed for AMD family 10h CPUs.
> >
> > It prevents auto select of mwait_idle for AMD CPUs.
> > MWAIT does not enter C-states on family 10h and more
> > power saving is reached by entering C1 with
> > default_idle.
> >
> > The patch also adds an idle=mwait command line option
> > to select mwait_idle for benchmarking.
>
> I already did my own patch earlier. Applied for reference.
>
> -Andi
Great. Your patch is the better solution.
Regards,
Andreas
prev parent reply other threads:[~2007-04-11 14:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-10 17:24 [PATCH] x86_64: prevent auto select of mwait_idle for AMD CPUs Andreas Herrmann
2007-04-10 17:31 ` Andreas Herrmann
2007-04-10 18:11 ` Andi Kleen
2007-04-11 14:46 ` Andreas Herrmann [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070411144609.GE12476@alberich.amd.com \
--to=andreas.herrmann3@amd.com \
--cc=ak@suse.de \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.