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From: Jes Sorensen <jes@wildopensource.com>
To: Russell King <rmk@arm.linux.org.uk>
Cc: linux-kernel@vger.kernel.org, alan@redhat.com,
	Marcelo Tosatti <marcelo@conectiva.com.br>
Subject: Re: [patch 2.4] make tty->count atomic_t
Date: 03 Apr 2003 19:13:27 -0500	[thread overview]
Message-ID: <m3k7ebdsrc.fsf@trained-monkey.org> (raw)
In-Reply-To: <20030404002852.D18485@flint.arm.linux.org.uk>

>>>>> "Russell" == Russell King <rmk@arm.linux.org.uk> writes:

Russell> On Thu, Apr 03, 2003 at 06:18:22PM -0500, Jes Sorensen wrote:
Russell> Isn't release_dev() only called under the BKL, which
Russell> guarantees the old "single-thread in the kernel at a time"
Russell> behaviour from pre-SMP Linux ?
>>  It's called from tty_release() and tty_open(). tty_release() grabs
>> the BKL but I don't see the path that grabs it when calling through
>> tty_open() (doesn't mean I am not blind of course ;-).

Russell> It's hidden away in fs/devices.c:chrdev_open()

Good point, ok back to the drawing broad ;-(

Thanks,
Jes

      reply	other threads:[~2003-04-04  0:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-03 17:16 [patch 2.4] make tty->count atomic_t Jes Sorensen
2003-04-03 23:06 ` Russell King
2003-04-03 23:18   ` Jes Sorensen
2003-04-03 23:28     ` Russell King
2003-04-04  0:13       ` Jes Sorensen [this message]

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