linux-kernel - RE: [PATCH] ARM: remove redundant code in machine

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Date:	Wed, 14 May 2014 00:51:34 -0700
From:	Neil Zhang <zhangwm@...vell.com>
To:	Neil Zhang <zhangwm@...vell.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"rmk+kernel@....linux.org.uk" <rmk+kernel@....linux.org.uk>
Subject: RE: [PATCH] ARM: remove redundant code in machine_halt

> -----Original Message-----
> From: Neil Zhang [mailto:zhangwm@...vell.com]
> Sent: 2014年5月7日 13:50
> To: linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org
> Cc: rmk+kernel@....linux.org.uk; Neil Zhang
> Subject: [PATCH] ARM: remove redundant code in machine_halt
> 
> There is no need to call local_irq_disable twice.
> 
> Signed-off-by: Neil Zhang <zhangwm@...vell.com>
> ---
>  arch/arm/kernel/process.c |    1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index
> 81ef686..18cfce4 100644
> --- a/arch/arm/kernel/process.c
> +++ b/arch/arm/kernel/process.c
> @@ -195,7 +195,6 @@ void machine_halt(void)
>  	local_irq_disable();
>  	smp_send_stop();
> 
> -	local_irq_disable();
>  	while (1);
>  }
> 
> --
> 1.7.9.5

Any comments?

Best Regards,
Neil Zhang