linux-kernel - Re: [PATCH -mm 3/7] Freezer: Remove PF

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Date:	Sun, 4 Mar 2007 10:04:31 +0530
From:	Srivatsa Vaddagiri <vatsa@...ibm.com>
To:	Oleg Nesterov <oleg@...sign.ru>
Cc:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Anton Blanchard <anton@...ba.org>,
	Andrew Morton <akpm@...l.org>, Pavel Machek <pavel@....cz>,
	LKML <linux-kernel@...r.kernel.org>,
	Aneesh Kumar <aneesh.kumar@...il.com>,
	Gautham R Shenoy <ego@...ibm.com>
Subject: Re: [PATCH -mm 3/7] Freezer: Remove PF_NOFREEZE from rcutorture thread

On Sat, Mar 03, 2007 at 08:32:40PM +0300, Oleg Nesterov wrote:
> I personally think we should do the opposite, add kthread_should_stop_check_freeze()
> or something. kthread_should_stop() is like signal_pending(), we can use
> it under spin_lock (and it is probably used this way by some out-of-tree
> driver). The new helper is obviously "might_sleep()".

Yes, I agree. It helps the caller explicitly know that this function
-can- freeze.

-- 
Regards,
vatsa
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