From: Mauro Carvalho Chehab <mchehab@redhat.com>
To: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: lirc-list@lists.sourceforge.net,
Jarod Wilson <jarod@wilsonet.com>,
linux-input@vger.kernel.org, linux-media@vger.kernel.org
Subject: Re: [PATCH 3/9] IR: replace spinlock with mutex.
Date: Wed, 28 Jul 2010 13:03:02 -0300 [thread overview]
Message-ID: <4C5054B6.5050207@redhat.com> (raw)
In-Reply-To: <1280330051-27732-4-git-send-email-maximlevitsky@gmail.com>
Em 28-07-2010 12:14, Maxim Levitsky escreveu:
> Some handlers (lirc for example) allocates memory on initialization,
> doing so in atomic context is cumbersome.
> Fixes warning about sleeping function in atomic context.
You should not replace it by a mutex, as the decoding code may happen during
IRQ time on several drivers.
If lirc is allocating memory, it should be using GFP_ATOMIC to avoid sleeping.
Cheers,
Mauro
next prev parent reply other threads:[~2010-07-28 16:02 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-28 15:14 [PATCH 0/9 v1] IR: few fixes, additions and ENE driver Maxim Levitsky
2010-07-28 15:14 ` [PATCH 1/9] IR: Kconfig fixes Maxim Levitsky
2010-07-28 17:36 ` Randy Dunlap
2010-07-28 20:31 ` Maxim Levitsky
2010-07-28 15:14 ` [PATCH 2/9] IR: minor fixes: Maxim Levitsky
2010-07-28 16:01 ` Mauro Carvalho Chehab
2010-07-28 16:38 ` Maxim Levitsky
2010-07-28 17:59 ` Mauro Carvalho Chehab
2010-07-28 17:23 ` Jarod Wilson
2010-07-28 15:14 ` [PATCH 3/9] IR: replace spinlock with mutex Maxim Levitsky
2010-07-28 16:03 ` Mauro Carvalho Chehab [this message]
2010-07-28 16:32 ` Maxim Levitsky
2010-07-28 17:43 ` Jarod Wilson
2010-07-28 18:37 ` Mauro Carvalho Chehab
2010-07-28 15:14 ` [PATCH 4/9] IR: add helper functions for ir input devices that send ir timing data in small chunks, and alternation between pulses and spaces isn't guaranteed Maxim Levitsky
2010-07-28 16:09 ` Mauro Carvalho Chehab
2010-07-28 16:29 ` Maxim Levitsky
2010-07-28 17:46 ` Jarod Wilson
2010-07-28 20:57 ` Jarod Wilson
2010-07-28 21:16 ` Maxim Levitsky
2010-07-28 15:14 ` [PATCH 5/9] IR: extend interfaces to support more device settings Maxim Levitsky
2010-07-28 17:00 ` Mauro Carvalho Chehab
2010-07-28 20:47 ` Jarod Wilson
2010-07-28 15:14 ` [PATCH 6/9] IR: actually allow not to compile keymaps in Maxim Levitsky
2010-07-28 17:58 ` Jarod Wilson
2010-07-28 15:14 ` [PATCH 7/9] IR: actualy report unknown scancodes the in-kernel decoders found Maxim Levitsky
2010-07-28 15:14 ` [PATCH 8/9] IR: Add ENE input driver Maxim Levitsky
2010-07-28 17:10 ` Mauro Carvalho Chehab
2010-07-28 17:13 ` Maxim Levitsky
2010-07-28 17:17 ` Jarod Wilson
2010-07-28 18:13 ` Mauro Carvalho Chehab
2010-07-28 15:14 ` [PATCH 9/9] STAGING: remove ENE driver Maxim Levitsky
-- strict thread matches above, loose matches on Subject: below --
2010-07-28 23:40 (unknown), Maxim Levitsky
2010-07-28 23:40 ` [PATCH 3/9] IR: replace spinlock with mutex Maxim Levitsky
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