From: Dave Jones <davej@redhat.com>
To: 7eggert@gmx.de
Cc: "linux-os (Dick Johnson)" <linux-os@analogic.com>,
Andreas Mohr <andi@rhlx01.fht-esslingen.de>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC/SERIOUS] grilling troubled CPUs for fun and profit?
Date: Mon, 19 Jun 2006 17:44:40 -0400 [thread overview]
Message-ID: <20060619214440.GA14681@redhat.com> (raw)
In-Reply-To: <E1FsRUZ-0001Ll-0K@be1.lrz>
On Mon, Jun 19, 2006 at 11:40:46PM +0200, Bodo Eggert wrote:
> linux-os (Dick Johnson) <linux-os@analogic.com> wrote:
> > On Mon, 19 Jun 2006, Andreas Mohr wrote:
>
> >> while looking for loop places to apply cpu_relax() to, I found the
> >> following gems:
> >>
> >> arch/i386/kernel/crash.c/crash_nmi_callback():
> >>
> >> /* Assume hlt works */
> >> halt();
> >> for(;;);
> >>
> >> return 1;
> >> }
>
> This will result in the processor burning energy again after the first
> interrupt, won't it?
Interrupts are disabled here.
Dave
--
http://www.codemonkey.org.uk
next prev parent reply other threads:[~2006-06-19 21:44 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <6pxs2-1AR-5@gated-at.bofh.it>
[not found] ` <6pyer-2Pt-1@gated-at.bofh.it>
2006-06-19 21:40 ` [RFC/SERIOUS] grilling troubled CPUs for fun and profit? Bodo Eggert
2006-06-19 21:44 ` Dave Jones [this message]
2006-06-20 3:30 Ken Ryan
[not found] <fa.pC0NfRl4O1eOCqPOBXy8f+7gbqU@ifi.uio.no>
[not found] ` <fa.so5wrYE6MzA2swzlOE1Xjw9iqvk@ifi.uio.no>
2006-06-19 23:32 ` Robert Hancock
-- strict thread matches above, loose matches on Subject: below --
2006-06-19 19:15 Andreas Mohr
2006-06-19 19:39 ` John Richard Moser
2006-06-19 20:00 ` linux-os (Dick Johnson)
2006-06-19 20:23 ` Dave Jones
2006-06-19 20:47 ` linux-os (Dick Johnson)
2006-06-19 20:59 ` Dave Jones
2006-06-19 22:25 ` Pavel Machek
2006-06-19 22:41 ` Dave Jones
2006-06-20 11:39 ` linux-os (Dick Johnson)
2006-06-21 17:16 ` Ian Romanick
2006-06-21 17:57 ` linux-os (Dick Johnson)
2006-06-22 17:47 ` Pavel Machek
2006-06-20 9:58 ` Jan Engelhardt
2006-06-22 18:16 ` Pavel Machek
2006-06-23 17:32 ` Jan Engelhardt
2006-06-24 19:54 ` Pavel Machek
2006-06-25 11:01 ` Jan Engelhardt
2006-06-20 9:54 ` Jan Engelhardt
2006-06-19 21:16 ` Claudio Martins
2006-06-19 22:16 ` Pavel Machek
2006-06-19 22:43 ` Dave Jones
2006-06-20 7:29 ` Andreas Mohr
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