From: Linus Torvalds <torvalds@linux-foundation.org>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Nick Piggin <npiggin@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [patch] splice mmap_sem deadlock
Date: Fri, 28 Sep 2007 11:10:34 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.0.999.0709281109290.3579@woody.linux-foundation.org> (raw)
In-Reply-To: <20070928173144.GA11717@kernel.dk>
On Fri, 28 Sep 2007, Jens Axboe wrote:
>
> It does looks suspicious. It was actually Linus who originally suggested
> this approach and wrote that comment - Linus?
Well, it used to be true, long time ago. It probably was still true in the
original splice patch back way back when. But yeah, rwsemaphores broke
that (very useful) trick in the name of fairness ;(
Linus
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next prev parent reply other threads:[~2007-09-28 18:10 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-28 16:00 Nick Piggin
2007-09-28 17:31 ` Jens Axboe
2007-09-28 18:10 ` Linus Torvalds [this message]
2007-09-28 18:15 ` Jens Axboe
2007-09-28 18:23 ` Linus Torvalds
2007-09-28 19:30 ` Jens Axboe
2007-09-28 20:02 ` Linus Torvalds
2007-09-28 20:08 ` Linus Torvalds
2007-09-29 6:37 ` Jens Axboe
2007-10-01 12:03 ` Jens Axboe
2007-10-01 15:11 ` Linus Torvalds
2007-10-01 15:45 ` Balbir Singh
2007-10-01 16:11 ` Linus Torvalds
2007-10-01 18:19 ` Balbir Singh
2007-10-01 17:33 ` Jens Axboe
2007-09-29 13:10 ` Nick Piggin
2007-09-30 6:46 ` Jens Axboe
2007-09-30 12:07 ` Nick Piggin
2007-09-30 20:05 ` Jens Axboe
2007-09-30 20:12 ` Nick Piggin
2007-09-29 13:08 ` Nick Piggin
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