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From: Samuel Thibault <samuel.thibault@ens-lyon.org>
To: Sabrina Dubroca <sd@queasysnail.net>,
	Valdis.Kletnieks@vt.edu, Hugh Dickins <hughd@google.com>,
	Vincent Donnefort <vdonnefort@gmail.com>,
	Bryan Wu <cooloney@gmail.com>,
	linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-wireless@vger.kernel.org
Subject: Re: 3.17-rc1: leds blink workqueue causes sleeping BUGs
Date: Mon, 25 Aug 2014 23:37:52 +0200	[thread overview]
Message-ID: <20140825213752.GD3070@type.youpi.perso.aquilenet.fr> (raw)
In-Reply-To: <20140825212324.GC3070@type.youpi.perso.aquilenet.fr>

Samuel Thibault, le Mon 25 Aug 2014 23:23:24 +0200, a écrit :
> We could indeed have a loop if the user was making the VT::* leds use
> the vt-* trigger,

Actually, while there can be a loop, it wouldn't be possible to inject
events in it: a VT::* led only makes the corresponding vt-* trigger if
it got an event from its trigger, etc. So it's really a false positive,
the lock detector just can not know that it can not happen.

Samuel

  reply	other threads:[~2014-08-25 21:38 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-17  3:27 3.17-rc1: leds blink workqueue causes sleeping BUGs Hugh Dickins
2014-08-19 12:58 ` [PATCH] leds: make led_blink_set IRQ safe Vincent Donnefort
2014-08-19 12:58   ` Vincent Donnefort
2014-08-20  1:51     ` Hugh Dickins
2014-08-23  0:21       ` Bryan Wu
2014-08-23 17:24         ` Tejun Heo
2014-08-25  8:50           ` Vincent Donnefort
2014-08-19 17:06 ` 3.17-rc1: leds blink workqueue causes sleeping BUGs Valdis.Kletnieks
2014-08-25 21:13   ` Sabrina Dubroca
2014-08-25 21:23     ` Samuel Thibault
2014-08-25 21:37       ` Samuel Thibault [this message]
2014-08-25 22:00         ` Hugh Dickins
2014-08-25 23:34           ` Samuel Thibault
     [not found] <541FD018.107@gmail.com>
2014-09-22  7:37 ` Samuel Thibault
2014-09-22  9:37   ` Kari Suvanto
2014-09-22  7:42 Kari Suvanto

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