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From: Tejun Heo <tj@kernel.org>
To: paulmck@linux.vnet.ibm.com
Cc: lkml <linux-kernel@vger.kernel.org>, mst@redhat.com
Subject: Re: [PATCH RFC] workqueue: remove in_workqueue_context()
Date: Tue, 19 Oct 2010 11:27:37 +0200	[thread overview]
Message-ID: <4CBD6489.4030307@kernel.org> (raw)
In-Reply-To: <4CB869CC.7070800@kernel.org>

On 10/15/2010 04:48 PM, Tejun Heo wrote:
>> I added it for the drivers/vhost changes.  They were using a
>> variant of RCU where executing in workqueue context acted as an RCU
>> read-side critical section and where flushing workqueues acted as
>> an RCU grace period.  The in_workqueue_context() was then passed to
>> rcu_dereference_check() to verify correct usage.
>>
>> But you are right, I don't see it being used any more, though I do still
>> see the big block comment documenting this in drivers/vhost/vhost.h.
>>
>> Michael, what are Tejun and I missing here?
> 
> Ping.  Shall I go forward with this patch?

Applied to wq#for-next.  Scream if this should be reverted.

Thanks.

-- 
tejun

      reply	other threads:[~2010-10-19  9:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-23 12:35 [PATCH RFC] workqueue: remove in_workqueue_context() Tejun Heo
2010-09-23 17:10 ` Paul E. McKenney
2010-10-15 14:48   ` Tejun Heo
2010-10-19  9:27     ` Tejun Heo [this message]

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