From: Andi Kleen <ak@suse.de>
To: Jan Beulich <JBeulich@novell.com>
Cc: ak@suse.de, linux-kernel@vger.kernel.org, discuss@x86-64.org
Subject: Re: [PATCH] adjust x86-64 watchdog tick calculation
Date: Thu, 12 May 2005 14:52:51 +0200 [thread overview]
Message-ID: <20050512125251.GL15690@wotan.suse.de> (raw)
In-Reply-To: <s2835f7d.038@emea1-mh.id2.novell.com>
On Thu, May 12, 2005 at 02:52:05PM +0200, Jan Beulich wrote:
> >> Get the x86-64 watchdog tick calculation into a state where it can also
> >> be used with nmi_hz other than 1Hz. Also do not turn on the watchdog by
> >> default (as is already done on i386).
> >
> >I already fixed this some time ago by using the same code as i386.
> >
> >That is what is in the current tree:
> > wrmsr(MSR_K7_PERFCTR0, -(cpu_khz/nmi_hz*1000), -1);
> >
> >But I guess your version will work with a higher frequency, right?
>
> For this part of the patch, yes, this will help with frequencies beyond 4GHz. The other change is which deals with nmi_hz being other than 1Hz.
I will queue it for after 2.6.12.
-Andi
next parent reply other threads:[~2005-05-12 12:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <s2835f7d.038@emea1-mh.id2.novell.com>
2005-05-12 12:52 ` Andi Kleen [this message]
2005-05-12 12:52 [PATCH] adjust x86-64 watchdog tick calculation Jan Beulich
[not found] <s2835ea9.090@emea1-mh.id2.novell.com>
2005-05-12 12:51 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2005-05-12 12:48 Jan Beulich
[not found] <s2832159.056@emea1-mh.id2.novell.com>
2005-05-12 11:45 ` Andi Kleen
2005-05-12 8:27 Jan Beulich
2005-05-12 10:00 ` Alexander Nyberg
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