Re: [PATCH 4/4] lockdep: Fix workqueue crossrelease annotation
From: Peter Zijlstra
Date: Thu Aug 31 2017 - 04:06:11 EST
On Wed, Aug 30, 2017 at 08:25:46PM +0900, Byungchul Park wrote:
> For example - I'm giving you the same example repeatedly:
>
> context X context Y
> --------- ---------
> wait_for_completion(C)
> acquire(A)
> process_one_work()
> acquire(B)
> work->fn()
> complete(C)
>
> Please check C->A and C->B.
Is there a caller of procesS_one_work() that holds a lock?