From: Ingo Molnar <mingo@elte.hu>
To: Aristeu Rozanski <arozansk@redhat.com>
Cc: linux-kernel@vger.kernel.org, jvillalovos@redhat.com
Subject: Re: [PATCH] perfctr: don't use CCCR_OVF_PMI1 on Pentium 4Ds
Date: Fri, 15 Aug 2008 13:59:28 +0200 [thread overview]
Message-ID: <20080815115928.GD32726@elte.hu> (raw)
In-Reply-To: <20080814203133.GS7154@redhat.com>
* Aristeu Rozanski <arozansk@redhat.com> wrote:
> Currently, setup_p4_watchdog() use CCCR_OVF_PMI1 to enable the counter
> overflow interrupts to the second logical core. But this bit doesn't
> work on Pentium 4 Ds (model 4, stepping 4) and this patch avoids its
> use on these processors. [...]
btw., what was the effect - an oops on bootup, or a non-working
watchdog?
> [...] Tested on 4 different machines that have this specific model
> with success.
>
> Signed-off-by: Aristeu Rozanski <aris@redhat.com>
applied to tip/x86/urgent - thanks Aristeu.
Ingo
next prev parent reply other threads:[~2008-08-15 11:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-14 20:32 [PATCH] perfctr: don't use CCCR_OVF_PMI1 on Pentium 4Ds Aristeu Rozanski
2008-08-15 11:59 ` Ingo Molnar [this message]
2008-08-15 12:16 ` Aristeu Rozanski
2008-08-15 12:36 ` [PATCH] NMI: fix watchdog failure message Aristeu Rozanski
2008-08-15 13:36 ` Ingo Molnar
2008-08-15 14:02 ` Aristeu Rozanski
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