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From: Andi Kleen <andi@firstfloor.org>
To: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Andi Kleen <andi@firstfloor.org>,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
	paolo.ciarrocchi@gmail.com, gorcunov@gmail.com
Subject: Re: [JANITOR PROPOSAL] Switch ioctl functions to ->unlocked_ioctl
Date: Thu, 10 Jan 2008 10:25:28 +0100	[thread overview]
Message-ID: <20080110092528.GA25076@one.firstfloor.org> (raw)
In-Reply-To: <200801100952.55039.eike-kernel@sf-tec.de>

> Can you explain the rationale behind that running on the BKL? What type of 

It used to always run with the BKL because everything used to 
and originally nobody wanted to review all ioctl handlers in tree to see if 
they can run with more fine grained locking. A lot probably can though.

> things needs to be protected so that this huge hammer is needed? What would 
> be an earlier point to release the BKL?

That depends on the driver. A lot don't need BKL at all and 
in others it can be easily eliminated. But it needs case-by-case
review of the locking situation.

The goal of the proposal here is just to make it more visible.

-Andi

  reply	other threads:[~2008-01-10  9:23 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-08 16:40 [JANITOR PROPOSAL] Switch ioctl functions to ->unlocked_ioctl Andi Kleen
2008-01-08 17:05 ` Cyrill Gorcunov
2008-01-08 18:52 ` Alexey Dobriyan
2008-01-08 19:18   ` Andi Kleen
2008-01-09  0:40     ` Arnd Bergmann
2008-01-09  0:47       ` Andi Kleen
2008-01-09  1:19         ` Arnd Bergmann
2008-01-09  1:31           ` Kevin Winchester
2008-01-09  1:41             ` Andi Kleen
2008-01-09  8:02               ` Christoph Hellwig
2008-01-09 10:00         ` Junio C Hamano
     [not found]           ` <200801091255.02172.arnd@arndb.de>
2008-01-09 14:06             ` Andi Kleen
2008-01-08 19:58 ` Paolo Ciarrocchi
2008-01-08 20:00   ` Matthew Wilcox
2008-01-08 20:03     ` Paolo Ciarrocchi
2008-01-08 20:16       ` Matthew Wilcox
2008-01-08 20:21         ` Matthew Wilcox
2008-01-08 20:26           ` Paolo Ciarrocchi
2008-01-08 23:55           ` Dmitri Vorobiev
2008-03-06 14:54       ` supervising, text processing, semantic "patching" (Re: [JANITOR PROPOSAL] Switch ioctl functions to ->unlocked_ioctl) Oleg Verych
2008-01-08 20:22   ` [JANITOR PROPOSAL] Switch ioctl functions to ->unlocked_ioctl Rik van Riel
2008-01-08 20:42   ` Andi Kleen
2008-01-08 20:45     ` Paolo Ciarrocchi
2008-01-08 23:06     ` [JANITOR PROPOSAL] Switch ioctl functions to ->unlocked_ioctl II Andi Kleen
2008-01-08 23:43       ` Paolo Ciarrocchi
2008-01-09  0:03         ` Andi Kleen
2008-01-09 20:12   ` [JANITOR PROPOSAL] Switch ioctl functions to ->unlocked_ioctl Matt Mackall
2008-01-09 22:40     ` Alasdair G Kergon
2008-01-09 22:46       ` Andi Kleen
2008-01-09 22:45         ` Alasdair G Kergon
2008-01-09 22:58           ` Chris Friesen
2008-01-09 23:05             ` Alasdair G Kergon
2008-01-09 23:31               ` Vadim Lobanov
2008-01-10  0:00                 ` Alasdair G Kergon
2008-01-10  4:59                   ` Vadim Lobanov
2008-01-10  8:34           ` Christoph Hellwig
2008-01-10  9:49       ` Daniel Phillips
2008-01-10 11:39         ` Alasdair G Kergon
2008-01-10 22:55           ` Daniel Phillips
2008-01-11  8:33   ` Pavel Machek
2008-01-08 23:50 ` Kevin Winchester
2008-01-09  0:09   ` Andi Kleen
2008-01-09  0:17     ` Kevin Winchester
2008-01-09  0:27       ` Andi Kleen
2008-01-09 10:34 ` Andre Noll
2008-01-09 13:17   ` Richard Knutsson
2008-01-09 13:33     ` Andre Noll
2008-01-10  8:52 ` Rolf Eike Beer
2008-01-10  9:25   ` Andi Kleen [this message]
2008-01-10 10:02     ` Rolf Eike Beer
2008-01-10 10:06       ` Andi Kleen

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