From: Bill Davidsen <davidsen@tmr.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: linux-kernel@vger.kernel.org, fastboot@osdl.org
Subject: Re: i386 nmi_watchdog: Merge check_nmi_watchdog fixes from x86_64
Date: Wed, 05 Oct 2005 15:50:38 -0400 [thread overview]
Message-ID: <43442E8E.1090301@tmr.com> (raw)
In-Reply-To: <m1k6gt8gvt.fsf@ebiederm.dsl.xmission.com>
Eric W. Biederman wrote:
> The per cpu nmi watchdog timer is based on an event counter.
> idle cpus don't generate events so the NMI watchdog doesn't fire
> and the test to see if the watchdog is working fails.
Question: given all the concern about reducing clocks and all, do we
actually need nmi on more than one CPU? Are there cases where a single
CPU hangs in idle on an SMP system?
--
-bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me
next prev parent reply other threads:[~2005-10-05 19:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-04 15:02 i386 nmi_watchdog: Merge check_nmi_watchdog fixes from x86_64 Eric W. Biederman
2005-10-05 19:50 ` Bill Davidsen [this message]
2005-10-05 20:00 ` Eric W. Biederman
2005-10-12 1:26 ` Andrew Morton
2005-10-14 4:13 ` Eric W. Biederman
2005-10-14 18:53 ` Andy Isaacson
2005-10-15 12:49 ` Eric W. Biederman
2005-10-18 7:05 ` Andy Isaacson
2005-10-18 12:44 ` Eric W. Biederman
2005-10-19 7:10 ` Zwane Mwaikambo
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