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Date: Sun, 23 May 2010 13:38:01 +0100 From: Russell King - ARM Linux <linux@....linux.org.uk> To: tom.leiming@...il.com Cc: linux-arm-kernel@...ts.infradead.org, linux-embedded@...r.kernel.org, a.p.zijlstra@...llo.nl, linux-kernel@...r.kernel.org Subject: Re: [RESEND PATCH] ARM: fix 'unannotated irqs-on' lockdep warning On Sun, May 23, 2010 at 07:48:48PM +0800, tom.leiming@...il.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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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