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From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/6] ARM: twd: register clockevents device before enabling PPI
Date: Mon, 08 Aug 2011 19:19:28 +0100	[thread overview]
Message-ID: <4E4028B0.1040104@arm.com> (raw)
In-Reply-To: <1312823424-9654-4-git-send-email-will.deacon@arm.com>

On 08/08/11 18:10, Will Deacon wrote:
> The smp_twd clockevents driver currently enables the local timer PPI
> before the clockevents device is registered. This can lead to a kernel
> panic if a spurious timer interrupt is generated before registration
> has completed since the kernel will treat it as an IPI timer.
> 
> This patch moves the clockevents device registration before the IRQ
> unmasking so that we can always handle timer interrupts once they can
> occur.
> 
> Signed-off-by: Will Deacon <will.deacon@arm.com>

Acked-by: Marc Zyngier <marc.zyngier@arm.com>

I'll rebase my timer patches on top of this one.

	M.
-- 
Jazz is not dead. It just smells funny...

  reply	other threads:[~2011-08-08 18:19 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-08 17:10 [PATCH 0/6] Miscellaneous patches for 3.1 and 3.2 Will Deacon
2011-08-08 17:10 ` [PATCH 1/6] ARM: vexpress: determine active tile site before reading tile ID Will Deacon
2011-08-08 17:10 ` [PATCH 2/6] ARM: realview: ensure visibility of writes during reset Will Deacon
2011-08-08 21:16   ` Rob Herring
2011-08-09  8:32     ` Will Deacon
2011-08-08 17:10 ` [PATCH 3/6] ARM: twd: register clockevents device before enabling PPI Will Deacon
2011-08-08 18:19   ` Marc Zyngier [this message]
2011-08-08 17:10 ` [PATCH 4/6] ARM: smp: set thread_info->cpu to hardware CPU number for boot thread Will Deacon
2011-08-08 17:33   ` Stephen Boyd
2011-08-08 18:14     ` Will Deacon
2011-08-08 20:02       ` Russell King - ARM Linux
2011-08-08 20:25         ` Will Deacon
2011-08-09 11:48   ` Sergei Shtylyov
2011-08-09 12:13     ` Will Deacon
2011-08-08 17:10 ` [PATCH 5/6] ARM: cache: detect VIPT aliasing I-cache on ARMv6 Will Deacon
2011-08-08 17:10 ` [PATCH 6/6] ARM: cache: detect PIPT I-cache using CTR Will Deacon

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