From: Tejun Heo <tj@kernel.org>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: linux-kernel@vger.kernel.org, Lai Jiangshan <jiangshanlai@gmail.com>
Subject: Re: [PATCH] workqueue: Mark up unlocked access to wq->first_flusher
Date: Thu, 12 Mar 2020 14:27:17 -0400 [thread overview]
Message-ID: <20200312182717.GF79873@mtj.duckdns.org> (raw)
In-Reply-To: <20200310162319.10138-1-chris@chris-wilson.co.uk>
On Tue, Mar 10, 2020 at 04:23:19PM +0000, Chris Wilson wrote:
> [ 7329.671518] BUG: KCSAN: data-race in flush_workqueue / flush_workqueue
> [ 7329.671549]
> [ 7329.671572] write to 0xffff8881f65fb250 of 8 bytes by task 37173 on cpu 2:
> [ 7329.671607] flush_workqueue+0x3bc/0x9b0 (kernel/workqueue.c:2844)
> [ 7329.672527]
> [ 7329.672540] read to 0xffff8881f65fb250 of 8 bytes by task 37175 on cpu 0:
> [ 7329.672571] flush_workqueue+0x28d/0x9b0 (kernel/workqueue.c:2835)
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Tejun Heo <tj@kernel.org>
> Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Applied to wq/for-5.7.
Thanks.
--
tejun
prev parent reply other threads:[~2020-03-12 18:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-10 16:23 Chris Wilson
2020-03-12 18:27 ` Tejun Heo [this message]
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