Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756418AbYCCPhl (ORCPT ); Mon, 3 Mar 2008 10:37:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754029AbYCCPhd (ORCPT ); Mon, 3 Mar 2008 10:37:33 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:42879 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753588AbYCCPhc (ORCPT ); Mon, 3 Mar 2008 10:37:32 -0500 X-Greylist: delayed 152990 seconds by postgrey-1.27 at vger.kernel.org; Mon, 03 Mar 2008 10:37:32 EST Date: Mon, 3 Mar 2008 10:37:29 -0500 (EST) From: Steven Rostedt X-X-Sender: rostedt@gandalf.stny.rr.com To: Gregory Haskins cc: mingo@elte.hu, a.p.zijlstra@chello.nl, tglx@linutronix.de, linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, bill.huey@gmail.com, kevin@hilman.org, cminyard@mvista.com, dsingleton@mvista.com, dwalker@mvista.com, npiggin@suse.de, dsaxena@plexity.net, ak@suse.de, pavel@ucw.cz, acme@redhat.com, gregkh@suse.de, sdietrich@novell.com, pmorreale@novell.com, mkohari@novell.com Subject: Re: [(RT RFC) PATCH v2 4/9] optimize rt lock wakeup In-Reply-To: <20080225160058.11268.96036.stgit@novell1.haskins.net> Message-ID: References: <20080225155959.11268.35541.stgit@novell1.haskins.net> <20080225160058.11268.96036.stgit@novell1.haskins.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 515 Lines: 14 On Mon, 25 Feb 2008, Gregory Haskins wrote: > It is redundant to wake the grantee task if it is already running This is only expensive for your adaptive mutex algorithm, not what is in there today. It belongs _after_ the adaptive mutex patch in the series. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/