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Date: Sat, 28 Apr 2012 04:36:06 +0100
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>, linux-arch@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [RFC] TIF_NOTIFY_RESUME, arch/*/*/*signal*.c and all such
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On Sat, Apr 28, 2012 at 04:32:45AM +0100, Al Viro wrote:
> diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
> index 82aaf0a..e147619 100644
> --- a/arch/arm/kernel/entry-common.S
> +++ b/arch/arm/kernel/entry-common.S
> @@ -57,6 +57,9 @@ work_pending:
>  	 * TIF_SIGPENDING or TIF_NOTIFY_RESUME must've been set if we got here
>  	 */
>  	mov	r0, sp				@ 'regs'
> +	ldr	r2, [sp, #S_PSR]
> +	tst	r2, #15
> +	be	no_work_pending

bne, actually.  Apologies for braino...