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From: Bart Van Assche <bvanassche@acm.org>
To: Johannes Berg <johannes@sipsolutions.net>, Tejun Heo <tj@kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	"tytso@mit.edu" <tytso@mit.edu>
Subject: Re: [PATCH 0/3] Suppress false positives triggered by workqueue lockdep annotations
Date: Thu, 25 Oct 2018 08:47:45 -0700	[thread overview]
Message-ID: <1540482465.66186.14.camel@acm.org> (raw)
In-Reply-To: <8e7bac982621666375c2f5698e995f443343b3ad.camel@sipsolutions.net>

On Thu, 2018-10-25 at 17:27 +0200, Johannes Berg wrote:
> > In my tests with kernel v4.19 I noticed that several new false positive
> > reports were generated by the workqueue lockdep annotations. This patch
> > series addresses one of these false positives.
> 
> I tried my best to explain why they're not false positives as far as
> lockdep is concerned, so I'd appreciate if you could address *why* you
> actually think they are such.

Please read the descriptions of the individual patches. These descriptions
explain clearly which false positives are being addressed.

Bart.


      reply	other threads:[~2018-10-25 15:47 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-25 15:05 Bart Van Assche
2018-10-25 15:05 ` [PATCH 1/3] kernel/workqueue: Remove lockdep annotation from __flush_work() Bart Van Assche
2018-10-25 15:31   ` Johannes Berg
2018-10-25 15:57     ` Johannes Berg
2018-10-25 16:01     ` Bart Van Assche
2018-10-25 15:05 ` [PATCH 2/3] kernel/workqueue: Surround work execution with shared lock annotations Bart Van Assche
2018-10-25 16:53   ` Johannes Berg
2018-10-25 17:22     ` Bart Van Assche
2018-10-25 19:17       ` Johannes Berg
2018-10-25 15:05 ` [PATCH 3/3] kernel/workqueue: Suppress a false positive lockdep complaint Bart Van Assche
2018-10-25 15:34   ` Johannes Berg
2018-10-25 15:55     ` Bart Van Assche
2018-10-25 19:59       ` Johannes Berg
2018-10-25 20:21         ` Theodore Y. Ts'o
2018-10-25 20:26           ` Johannes Berg
2018-10-25 15:36   ` Tejun Heo
2018-10-25 15:37     ` Tejun Heo
2018-10-25 20:13     ` Johannes Berg
2018-10-25 15:40   ` Theodore Y. Ts'o
2018-10-25 17:02   ` Johannes Berg
2018-10-25 17:11     ` Bart Van Assche
2018-10-25 19:51       ` Johannes Berg
2018-10-25 20:39         ` Bart Van Assche
2018-10-25 20:47           ` Johannes Berg
2018-10-25 15:27 ` [PATCH 0/3] Suppress false positives triggered by workqueue lockdep annotations Johannes Berg
2018-10-25 15:47   ` Bart Van Assche [this message]

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