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From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] Add call to non-crashing cores through IPI
Date: Mon, 22 Nov 2010 14:21:01 +0000	[thread overview]
Message-ID: <20101122142101.GL31227@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <9d90879f08b3141aa5ce4a0887018de9@mail.gmail.com>

On Mon, Nov 22, 2010 at 06:37:09PM +0530, Santosh Shilimkar wrote:
> > ARM: smp: make smp_send_stop() wait for secondary CPUs to stop
> >
> > Wait up to one second for secondary CPUs to respond to a request to
> > stop.  This avoids the sender CPU continuing and possibly destroying
> > state before the recipients have had a chance to respond to the stop.
> > However, if the recipients have crashed, we won't hang the sender
> > CPU indefinitely.
> >
> Just tried this patch thinking it might fix the reboot issue
> reported earlier. But it doesn't help.

I was hoping that it might change the behaviour slightly, but if not
the patch can't do any harm.

The reboot stuff works fine on Versatile Express with Cortex A9, so
I suspect your problem might be specific to OMAP.

  reply	other threads:[~2010-11-22 14:21 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-19 10:08 [PATCH] Add call to non-crashing cores through IPI Per Fransson
2010-11-22  7:24 ` Mika Westerberg
2010-11-22  9:47   ` Maxim Uvarov
2010-11-22  9:53   ` Per Fransson
2010-11-22 10:47     ` Russell King - ARM Linux
2010-11-22 11:27       ` Russell King - ARM Linux
2010-11-22 13:07         ` Santosh Shilimkar
2010-11-22 14:21           ` Russell King - ARM Linux [this message]
2010-11-22 17:25             ` Santosh Shilimkar
2010-11-22 14:31         ` Per Fransson
2010-11-22 14:40           ` Russell King - ARM Linux
2010-11-22 17:03             ` Per Fransson
2010-11-22 17:12               ` Catalin Marinas
2010-11-22 20:09                 ` Maxim Uvarov
2010-11-22 22:14                   ` Per Fransson
2010-11-22 22:30                     ` Per Fransson
2010-11-23  9:14                   ` Catalin Marinas
2010-11-23 10:57                     ` Per Fransson
2010-11-23 12:37                       ` Catalin Marinas
2010-11-23 12:41                         ` Mika Westerberg
2010-11-23 12:48                           ` Catalin Marinas
2010-11-23 13:01                             ` Maxim Uvarov
2010-11-23 16:31                               ` Per Fransson

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