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From: Andi Kleen <ak@suse.de>
To: Daniel Drake <ddrake@brontes3d.com>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>,
	linux1394-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: Unnecessary BKL contention in video1394
Date: Thu, 19 Oct 2006 15:27:42 +0200	[thread overview]
Message-ID: <200610191527.42802.ak@suse.de> (raw)
In-Reply-To: <1161263978.2845.6.camel@systems03.lan.brontes3d.com>


> Adding Andi Kleen to CC, who added the BKL around __video1394_ioctl a
> long while back (when converting video1394 to compat_ioctl).
> 
> I don't feel that any replacement protection is needed, since the
> critical sections (where structures are used both in interrupts and in
> file_operations) are already protected by spinlocks.

Fine by me. I just did it to preserve old semantics because I didn't want
to audit the 1394 locking.  But if you think it's not needed feel free to remove
them.

-andi

  reply	other threads:[~2006-10-19 13:27 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1161203487.28713.8.camel@systems03.lan.brontes3d.com>
2006-10-18 21:36 ` Stefan Richter
2006-10-19 13:19   ` Daniel Drake
2006-10-19 13:27     ` Andi Kleen [this message]
2006-10-19 14:36       ` Stefan Richter
2006-10-19 15:31         ` Daniel Drake

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