From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755288Ab2DTLMl (ORCPT ); Fri, 20 Apr 2012 07:12:41 -0400 Received: from ipmail05.adl6.internode.on.net ([150.101.137.143]:2285 "EHLO ipmail05.adl6.internode.on.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754443Ab2DTLMk (ORCPT ); Fri, 20 Apr 2012 07:12:40 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av0EAPZDkU95LdRK/2dsb2JhbABDsTyBCIIJAQEEATocIxALGBwSFBgNJBOICgS7C5BnBJV4kD6CeQ Date: Fri, 20 Apr 2012 21:12:29 +1000 From: Nick Piggin To: Rusty Russell Cc: Andi Kleen , Andrew Morton , Nick Piggin , linux-kernel , Alexander Viro , "Srivatsa S. Bhat" , linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 1/3] lglock: remove online variants of lock Message-ID: <20120420111229.GG25458@amd.local0.net> References: <87ehtf3lqh.fsf@rustcorp.com.au> <20120227155338.7b5110cd.akpm@linux-foundation.org> <20120228112422.GC11324@alboin.amr.corp.intel.com> <87obsbzfzm.fsf@rustcorp.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87obsbzfzm.fsf@rustcorp.com.au> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 05, 2012 at 05:33:41PM +1030, Rusty Russell wrote: > Optimizing the slow paths adds a lot of complexity. If you need to > grab every lock often, you have other problems. > > Signed-off-by: Rusty Russell Someone might cry about online vs possible discrepancy, but I don't really mind. Acked-by: Nick Piggin