From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 28 Sep 2007 11:10:34 -0700 (PDT) From: Linus Torvalds Subject: Re: [patch] splice mmap_sem deadlock In-Reply-To: <20070928173144.GA11717@kernel.dk> Message-ID: References: <20070928160035.GD12538@wotan.suse.de> <20070928173144.GA11717@kernel.dk> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=us-ascii Sender: owner-linux-mm@kvack.org Return-Path: To: Jens Axboe Cc: Nick Piggin , Andrew Morton , Linux Memory Management List List-ID: 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org