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Re: [PATCH 2/2] workqueue: create lockdep dependency in flush_work()

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To: Tejun Heo <tj@xxxxxxxxxx>
Subject: Re: [PATCH 2/2] workqueue: create lockdep dependency in flush_work()
From: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Date: Tue, 21 Aug 2018 19:19:49 +0200
Cc: Lai Jiangshan <jiangshanlai@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-wireless@xxxxxxxxxxxxxxx
In-reply-to: <20180821160914.GQ3978217@devbig004.ftw2.facebook.com> (sfid-20180821_180918_893691_208AE1E0)
References: <20180821120317.4115-1-johannes@sipsolutions.net> <20180821120317.4115-3-johannes@sipsolutions.net> <20180821160914.GQ3978217@devbig004.ftw2.facebook.com> (sfid-20180821_180918_893691_208AE1E0)

On Tue, 2018-08-21 at 09:09 -0700, Tejun Heo wrote:
> 
> This makes sense to me.  Did you notice any extra lockdep warnings
> with this?

I haven't used it beyond testing the trivial example I created on the
spot with a small mac80211 change, so can't really say either way.

johannes

References:
- [PATCH 0/2] workqueue lockdep limitations/bugs
  - From: Johannes Berg
- [PATCH 2/2] workqueue: create lockdep dependency in flush_work()
  - From: Johannes Berg
- Re: [PATCH 2/2] workqueue: create lockdep dependency in flush_work()
  - From: Tejun Heo

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