linux-kernel - Re: [patch 5/6] sparc: Use preempt_schedule

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Message-Id: <20130917.201257.416297667094537063.davem@davemloft.net>
Date:	Tue, 17 Sep 2013 20:12:57 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	tglx@...utronix.de
Cc:	linux-kernel@...r.kernel.org, peterz@...radead.org, mingo@...e.hu,
	linux-arch@...r.kernel.org, torvalds@...ux-foundation.org,
	ak@...ux.intel.com, hpa@...or.com, bitbucket@...ine.de,
	arjan@...ux.intel.com, fweisbec@...il.com
Subject: Re: [patch 5/6] sparc: Use preempt_schedule_irq

From: Thomas Gleixner <tglx@...utronix.de>
Date: Wed, 18 Sep 2013 01:23:58 +0200 (CEST)

> I knew that I'd get it wrong :) So is adding another nop the right
> thing to do ?
> 
>  		bne,pn			%xcc, kern_fpucheck
> -		 sethi			%hi(PREEMPT_ACTIVE), %l6
> -		stw			%l6, [%g6 + TI_PRE_COUNT]
> -		call			schedule
> +  		 nop
> +		call			preempt_schedule_irq
>   		 nop

Yep, that's perfect:

Acked-by: David S. Miller <davem@...emloft.net>
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