From: Andi Kleen <andi@firstfloor.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>,
linux-kernel@vger.kernel.org, andi@firstfloor.org,
viro@ZenIV.linux.org.uk, oleg@redhat.com,
linux-api@vger.kernel.org, alan@lxorguk.ukuu.org.uk
Subject: Re: [PATCH, RFC] Remove fasync() BKL usage, take 3325
Date: Fri, 23 Jan 2009 06:54:04 +0100 [thread overview]
Message-ID: <20090123055404.GL15750@one.firstfloor.org> (raw)
In-Reply-To: <20090122213105.74142908.akpm@linux-foundation.org>
> I don't know what "the fasync() problem" is?
The state needs to be protected while the per driver ->fasync callback
runs, otherwise the bit can get out of sync with what the driver
thinks it is.
Mind you imho the best way would be to move the bit manipulation for
that into the drivers, but that would require to change them all.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2009-01-23 5:38 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-15 22:32 [PATCH, RFC] Remove fasync() BKL usage, take 3325 Jonathan Corbet
2009-01-22 14:51 ` Andrew Morton
2009-01-22 16:09 ` Andi Kleen
2009-01-23 5:21 ` Jonathan Corbet
2009-01-22 20:32 ` Christoph Hellwig
2009-01-23 4:56 ` Andi Kleen
2009-01-28 0:53 ` Andrew Morton
2009-01-28 0:55 ` Andrew Morton
2009-01-28 3:14 ` Oleg Nesterov
2009-01-28 3:57 ` Jonathan Corbet
2009-01-28 4:23 ` Oleg Nesterov
2009-01-28 14:13 ` Jonathan Corbet
2009-01-28 17:36 ` Christoph Hellwig
2009-01-28 17:44 ` Jonathan Corbet
2009-01-28 17:55 ` Christoph Hellwig
2009-01-28 18:13 ` Matt Mackall
2009-01-28 21:05 ` Jonathan Corbet
2009-01-28 18:14 ` David Daney
2009-01-29 14:37 ` Andi Kleen
2009-01-23 5:15 ` Jonathan Corbet
2009-01-23 5:31 ` Andrew Morton
2009-01-23 5:45 ` Matt Mackall
2009-01-23 6:15 ` Andi Kleen
2009-01-23 10:45 ` Bernd Petrovitsch
2009-01-23 5:54 ` Andi Kleen [this message]
2009-01-23 6:01 ` Jonathan Corbet
2009-01-23 6:57 ` Andrew Morton
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