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From: Rusty Russell <rusty@rustcorp.com.au>
To: ego@in.ibm.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org,
	Srivatsa Vaddagiri <vatsa@in.ibm.com>,
	Dipankar Sarma <dipankar@in.ibm.com>, Ingo Molnar <mingo@elte.hu>,
	Oleg Nesterov <oleg@tv-sign.ru>
Subject: Re: [RFC PATCH 4/5] Remove CPU_DEAD/CPU_UP_CANCELLED handling from workqueue.c
Date: Wed, 24 Oct 2007 17:21:04 +1000	[thread overview]
Message-ID: <200710241721.05163.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20071024053716.GD27074@in.ibm.com>

On Wednesday 24 October 2007 15:37:16 Gautham R Shenoy wrote:
> @@ -712,7 +712,7 @@ static void start_workqueue_thread(struc
>
>  	if (p != NULL) {
>  		if (cpu >= 0)
> -			kthread_bind(p, cpu);
> +			set_cpus_allowed(p, cpumask_of_cpu(cpu));
>  		wake_up_process(p);
>  	}

Hi Gautham!

	This works, although the change is unnecessary.  If you're going to
do this I'd prefer "if (set_cpus_allowed(p, cpumask_of_cpu(cpu)) != 0) 
BUG();".

Cheers,
Rusty.

  reply	other threads:[~2007-10-24  7:21 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-24  5:29 [RFC PATCH 0/5] Refcount based Cpu Hotplug. V2 Gautham R Shenoy
2007-10-24  5:30 ` [RFC PATCH 1/5] Refcount Based Cpu Hotplug implementation Gautham R Shenoy
2007-10-24  5:32 ` [RFC PATCH 2/5] Replace lock_cpu_hotplug() with get_online_cpus() Gautham R Shenoy
2007-10-24  5:34 ` [RFC PATCH 3/5] Replace per-subsystem mutexes " Gautham R Shenoy
2007-10-24  5:37 ` [RFC PATCH 4/5] Remove CPU_DEAD/CPU_UP_CANCELLED handling from workqueue.c Gautham R Shenoy
2007-10-24  7:21   ` Rusty Russell [this message]
2007-10-24  8:35     ` Gautham R Shenoy
2007-10-24 13:44     ` Oleg Nesterov
2007-10-24 13:38   ` Oleg Nesterov
2007-10-24 17:45     ` Gautham R Shenoy
2007-10-24 18:14       ` Oleg Nesterov
2007-10-24  5:39 ` [RFC PATCH 5/5] Update get_online_cpus() in Documentation/cpu-hotplug.c Gautham R Shenoy
2007-10-24 17:04 ` [RFC PATCH 0/5] Refcount based Cpu Hotplug. V2 Christoph Lameter
2007-10-24 18:00   ` Gautham R Shenoy
2007-10-24 18:17     ` Oleg Nesterov
2007-10-24 18:22       ` Gautham R Shenoy

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