linux-kernel - Re: [RFC] arm:remove clear_thread_flag(TIF

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Date:	Fri, 31 Oct 2014 00:45:35 -0700
From:	Joe Perches <joe@...ches.com>
To:	"Wang, Yalin" <Yalin.Wang@...ymobile.com>
Cc:	'Will Deacon' <will.deacon@....com>,
	'Ard Biesheuvel' <ard.biesheuvel@...aro.org>,
	'Russell King - ARM Linux' <linux@....linux.org.uk>,
	"'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>,
	"'akinobu.mita@...il.com'" <akinobu.mita@...il.com>,
	"'linux-mm@...ck.org'" <linux-mm@...ck.org>,
	"'linux-arm-kernel@...ts.infradead.org'" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [RFC] arm:remove clear_thread_flag(TIF_UPROBE)

On Fri, 2014-10-31 at 15:40 +0800, Wang, Yalin wrote:
> This patch remove clear_thread_flag(TIF_UPROBE) in do_work_pending(),
> because uprobe_notify_resume() have do this.
[]
> diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
[]
> @@ -591,10 +591,9 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall)
>  					return restart;
>  				}
>  				syscall = 0;
> -			} else if (thread_flags & _TIF_UPROBE) {
> -				clear_thread_flag(TIF_UPROBE);
> +			} else if (thread_flags & _TIF_UPROBE)
>  				uprobe_notify_resume(regs);
> -			} else {
> +			else {
>  				clear_thread_flag(TIF_NOTIFY_RESUME);
>  				tracehook_notify_resume(regs);
>  			}

Please keep the braces.

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