From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: tom.leiming@gmail.com
Cc: linux-arm-kernel@lists.infradead.org,
linux-embedded@vger.kernel.org, a.p.zijlstra@chello.nl,
linux-kernel@vger.kernel.org
Subject: Re: [RESEND PATCH] ARM: fix 'unannotated irqs-on' lockdep warning
Date: Sun, 23 May 2010 13:38:01 +0100 [thread overview]
Message-ID: <20100523123801.GC950@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1274615328-27953-1-git-send-email-tom.leiming@gmail.com>
On Sun, May 23, 2010 at 07:48:48PM +0800, tom.leiming@gmail.com wrote:
> diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
> index 2c1db77..ed471a7 100644
> --- a/arch/arm/kernel/entry-common.S
> +++ b/arch/arm/kernel/entry-common.S
> @@ -58,7 +58,7 @@ work_resched:
> */
> ENTRY(ret_to_user)
> ret_slow_syscall:
> - disable_irq @ disable interrupts
> + disable_irq_notrace @ disable interrupts
I think this one does need to be traced - the pending work functions are
all C code which could call back into lockdep.
Also, I'm nervious about applying this patch without seeing more people
test it.
next prev parent reply other threads:[~2010-05-23 12:38 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-23 11:48 [RESEND PATCH] ARM: fix 'unannotated irqs-on' lockdep warning tom.leiming
2010-05-23 12:38 ` Russell King - ARM Linux [this message]
2010-05-23 13:44 ` Ming Lei
2010-05-23 14:13 ` Russell King - ARM Linux
2010-05-23 15:07 ` Ming Lei
2010-05-23 19:47 ` Russell King - ARM Linux
2010-05-24 3:23 ` Ming Lei
2010-05-24 7:19 ` Russell King - ARM Linux
2010-05-24 10:14 ` Russell King - ARM Linux
2010-05-24 14:20 ` Ming Lei
2010-05-24 14:45 ` Russell King - ARM Linux
2010-05-24 15:19 ` Ming Lei
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