From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752480Ab1BBJTK (ORCPT ); Wed, 2 Feb 2011 04:19:10 -0500 Received: from mail-bw0-f46.google.com ([209.85.214.46]:33404 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751928Ab1BBJTI (ORCPT ); Wed, 2 Feb 2011 04:19:08 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=GYGax3nuM1CR5QgQpGS32wuzn5Ak5jl6DTTfAFMAV/hrOrg0jHDv/bmsIpRHHtZXNc iNnBz9c52CxXR/EFnyQ5u49wvchGWCtneHqJp/kSnIVUd4zuuifJTZsMq/37u1sbywlw +XYibSZl2EHc8daK5YmitnrSLfX4ZRavasgXw= Date: Wed, 2 Feb 2011 10:19:00 +0100 From: Richard Cochran To: Thomas Gleixner Cc: LKML , John Stultz , Richard Cochran , Ingo Molnar , Peter Zijlstra Subject: Re: [patch 27/28] posix-timers: Add support for fd based clocks Message-ID: <20110202091900.GE2747@riccoc20.at.omicron.at> References: <20110201134320.688829863@linutronix.de> <20110201134420.062860200@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110201134420.062860200@linutronix.de> 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 Tue, Feb 01, 2011 at 01:52:32PM -0000, Thomas Gleixner wrote: > --- linux-2.6-tip.orig/include/linux/posix-timers.h > +++ linux-2.6-tip/include/linux/posix-timers.h > +/* > + * Bit fields within a clockid: > + * > + * The most significant 29 bits hold either a pid or a file descriptor. > + * > + * Bit 2 indicates whether a cpu clock refers to a thread or a process. > + * > + * Bits 1 and 0 give the type: PROF=0, VIRT=1, SCHED=2, or FD=3. > + * > + * A clockid is invalid if bits 2, 1, and 0 all set. I should have said, "if bits 2, 1, and 0 *are* all set." Thanks, Richard