linux-kernel - Re: [PATCH RFC] workqueue: remove in_workqueue

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Message-ID: <4CBD6489.4030307@kernel.org>
Date:	Tue, 19 Oct 2010 11:27:37 +0200
From:	Tejun Heo <tj@...nel.org>
To:	paulmck@...ux.vnet.ibm.com
CC:	lkml <linux-kernel@...r.kernel.org>, mst@...hat.com
Subject: Re: [PATCH RFC] workqueue: remove in_workqueue_context()

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
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