From: Dave Hansen <haveblue@us.ibm.com>
To: Russell King <rmk@arm.linux.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: devfs: BKL *not* taken while opening devices
Date: Mon, 29 Apr 2002 08:30:54 -0700 [thread overview]
Message-ID: <3CCD672E.5040005@us.ibm.com> (raw)
In-Reply-To: <20020429141301.B16778@flint.arm.linux.org.uk>
Russell King wrote:
> Kernel 2.5.8... Devfs devfs_open() bypasses the normal chrdev_open
> and blkdev_open functions, and misses out taking the BKL. 2.5.10 is
> the same.
>
> Certainly the tty layer (and probably many of the other devices as
> well) require the BKL to be taken before calling the open method.
Has the time come to push the BKL down into all of the driver open()s?
It's going to be a lot of work, but it has to happen eventually, right?
--
Dave Hansen
haveblue@us.ibm.com
next prev parent reply other threads:[~2002-04-29 16:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-29 13:13 devfs: BKL *not* taken while opening devices Russell King
2002-04-29 15:30 ` Dave Hansen [this message]
2002-04-29 17:21 ` Arjan van de Ven
2002-04-29 17:40 ` Roman Zippel
2002-04-29 17:46 ` Arjan van de Ven
2002-05-02 16:44 ` Alan Cox
2002-04-29 17:52 ` Dave Hansen
2002-04-30 12:45 ` Russell King
2002-04-30 16:42 ` Dave Hansen
2002-04-30 16:52 ` Arjan van de Ven
2002-04-30 16:58 ` Dave Hansen
2002-04-30 18:26 ` Martin J. Bligh
2002-04-30 17:03 ` Russell King
2002-05-11 0:45 ` Richard Gooch
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