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From: Bernard Blackham <bernard@blackham.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: mingo@elte.hu, ncunningham@linuxmail.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched-fix-scheduling-latencies-in-mttrc reenables interrupts
Date: Mon, 27 Dec 2004 23:20:37 +0800	[thread overview]
Message-ID: <20041227152037.GA4646@blackham.com.au> (raw)
In-Reply-To: <20041227013653.67965d46.akpm@osdl.org>

On Mon, Dec 27, 2004 at 01:36:53AM -0800, Andrew Morton wrote:
> Not OK.  That global `sal_flags' is not protected by the spinlock
> because spin_lock_irqsave() saves the flags before taking the
> lock.

Ahh, d'oh.

> How about this?
> 
> diff -puN arch/i386/kernel/cpu/mtrr/generic.c~sched-fix-scheduling-latencies-in-mttrc-reenables-interrupts arch/i386/kernel/cpu/mtrr/generic.c

Won't object here.

Thanks,

Bernard.

-- 
 Bernard Blackham <bernard at blackham dot com dot au>

      reply	other threads:[~2004-12-27 15:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-27  6:28 Bernard Blackham
2004-12-27  9:36 ` Andrew Morton
2004-12-27 15:20   ` Bernard Blackham [this message]

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