From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756942Ab0EUIHO (ORCPT ); Fri, 21 May 2010 04:07:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40073 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753914Ab0EUIHJ (ORCPT ); Fri, 21 May 2010 04:07:09 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <1274135154-24082-1-git-send-email-walken@google.com> <1274135154-24082-4-git-send-email-walken@google.com> <5592.1274271931@redhat.com> To: Michel Lespinasse Cc: dhowells@redhat.com, Linus Torvalds , Ingo Molnar , Thomas Gleixner , LKML , Andrew Morton , Mike Waychison , Suleiman Souhlal , Ying Han Subject: Re: [PATCH 03/10] rwsem: lighter active count checks when waking up readers Date: Fri, 21 May 2010 09:06:26 +0100 Message-ID: <19357.1274429186@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Michel Lespinasse wrote: > down_xxxx can increase the active count ... Not so much can, as does... Perhaps you need to qualify that. David