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From: Davidlohr Bueso <dave@stgolabs.net>
To: Jason Baron <jbaron@akamai.com>
Cc: Christoph Hellwig <hch@lst.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Al Viro <viro@zeniv.linux.org.uk>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: waitqueue lockdep annotation
Date: Tue, 5 Dec 2017 07:36:24 -0800	[thread overview]
Message-ID: <20171205153624.amxarwpbbpdiflpc@linux-n805> (raw)
In-Reply-To: <1a5d4610-b84e-ba29-b5bb-b80e19fc17b7@akamai.com>

On Tue, 05 Dec 2017, Jason Baron wrote:

>On 12/01/2017 06:03 PM, Christoph Hellwig wrote:

>> True.  The patch below survives the amazing complex booting and starting
>> systemd with lockdep enabled test.  Do we have something resembling a
>> epoll test suite?
>>
>
>I don't think we have any in the kernel tree proper (other than some
>selftests using epoll) but there are tests in ltp and some performance
>tests such as:
>
>http://linux-scalability.org/epoll/epoll-test.c
>http://www.xmailserver.org/linux-patches/pipetest.c

fyi I'm working on adding epoll to perf-bench, hope to have patches soon.

Thanks,
Davidlohr

  reply	other threads:[~2017-12-05 15:40 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-30 14:20 waitqueue lockdep annotation Christoph Hellwig
2017-11-30 14:20 ` [PATCH 1/2] sched/wait: assert the wait_queue_head lock is held in __wake_up_common Christoph Hellwig
2017-11-30 14:20 ` [PATCH 2/2] epoll: use proper wake_up variant in ep_poll_callback Christoph Hellwig
2017-11-30 20:50 ` waitqueue lockdep annotation Andrew Morton
2017-11-30 21:38   ` Jason Baron
2017-11-30 22:11     ` Christoph Hellwig
2017-11-30 22:18       ` Jason Baron
2017-12-01 17:11         ` Christoph Hellwig
2017-12-01 19:00           ` Jason Baron
2017-12-01 22:02             ` Christoph Hellwig
2017-12-01 22:34               ` Jason Baron
2017-12-01 23:03                 ` Christoph Hellwig
2017-12-05 15:24                   ` Jason Baron
2017-12-05 15:36                     ` Davidlohr Bueso [this message]
2017-12-06 23:51                     ` Christoph Hellwig
2017-12-06 23:52 Christoph Hellwig

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