Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753053AbZFBM0l (ORCPT ); Tue, 2 Jun 2009 08:26:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751344AbZFBM0e (ORCPT ); Tue, 2 Jun 2009 08:26:34 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:54411 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751202AbZFBM0d (ORCPT ); Tue, 2 Jun 2009 08:26:33 -0400 Subject: Re: [PATCH] sched: sched_clock() clocksource handling. From: Peter Zijlstra To: Paul Mundt Cc: Ingo Molnar , Thomas Gleixner , Daniel Walker , Linus Walleij , Andrew Victor , Haavard Skinnemoen , Andrew Morton , John Stultz , linux-arm-kernel@lists.arm.linux.org.uk, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20090602075409.GA19294@linux-sh.org> References: <20090602071718.GA17710@linux-sh.org> <1243927502.23657.5619.camel@twins> <20090602073515.GB17710@linux-sh.org> <1243928495.23657.5642.camel@twins> <20090602075409.GA19294@linux-sh.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Tue, 02 Jun 2009 14:26:25 +0200 Message-Id: <1243945585.23657.5934.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 697 Lines: 15 On Tue, 2009-06-02 at 16:54 +0900, Paul Mundt wrote: > @@ -212,6 +213,7 @@ extern struct clocksource *clock; /* current clocksource */ > > #define CLOCK_SOURCE_WATCHDOG 0x10 > #define CLOCK_SOURCE_VALID_FOR_HRES 0x20 > +#define CLOCK_SOURCE_USE_FOR_SCHED_CLOCK 0x40 One more thing though, as John suggested, this bit might want a proper comment explaining when a clocksource should and should not set this bit. -- 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/