From: Andrew Morton <akpm@linux-foundation.org>
To: Daniel Walker <dwalker@mvista.com>
Cc: linux-kernel@vger.kernel.org, johnstul@us.ibm.com, mingo@elte.hu
Subject: Re: [PATCH] timekeeping: drop irq-context clocksource polling
Date: Sat, 7 Apr 2007 03:19:22 -0700 [thread overview]
Message-ID: <20070407031922.ee49478f.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070405210316.785839431@mvista.com>
On Thu, 05 Apr 2007 14:03:16 -0700 Daniel Walker <dwalker@mvista.com> wrote:
> Before this change the timekeeping code would poll the clocksource
> list every interrupt. This changes that so the clocksource list is
> only checked when there has been and update, and no longer checks
> in interrupt context.
I get a complete lockup on i386 SMP - before the kernel has printed anything.
I'm suspecting a recursive taking of xtime_lock.
next prev parent reply other threads:[~2007-04-07 10:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-05 21:03 [PATCH] timekeeping: drop irq-context clocksource polling Daniel Walker
2007-04-05 21:25 ` john stultz
2007-04-05 21:29 ` Daniel Walker
2007-04-05 21:38 ` john stultz
2007-04-05 21:36 ` Andrew Morton
2007-04-05 21:50 ` john stultz
2007-04-07 1:21 ` Andrew Morton
2007-04-07 2:04 ` Daniel Walker
2007-04-07 10:19 ` Andrew Morton [this message]
2007-04-07 17:43 ` Daniel Walker
2007-04-07 20:50 ` Thomas Gleixner
2007-04-07 21:30 ` Daniel Walker
2007-04-08 8:33 ` Thomas Gleixner
2007-04-08 20:02 ` Daniel Walker
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