Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757280Ab1BANxB (ORCPT ); Tue, 1 Feb 2011 08:53:01 -0500 Received: from www.tglx.de ([62.245.132.106]:47432 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757236Ab1BANw6 (ORCPT ); Tue, 1 Feb 2011 08:52:58 -0500 Message-Id: <20110201134419.487708516@linutronix.de> User-Agent: quilt/0.48-1 Date: Tue, 01 Feb 2011 13:52:15 -0000 From: Thomas Gleixner To: LKML Cc: John Stultz , Richard Cochran , Ingo Molnar , Peter Zijlstra Subject: [patch 21/28] posix-timer: Update comment References: <20110201134320.688829863@linutronix.de> Content-Disposition: inline; filename=posix-timer-update-comment.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3037 Lines: 63 From: Richard Cochran Pick the cleanup to the comment in posix-timers.c from Richards all in one conversion patch. Originally-from: Richard Cochran Signed-off-by: Thomas Gleixner Cc: John Stultz --- kernel/posix-timers.c | 25 +++++++------------------ 1 file changed, 7 insertions(+), 18 deletions(-) Index: linux-2.6-tip/kernel/posix-timers.c =================================================================== --- linux-2.6-tip.orig/kernel/posix-timers.c +++ linux-2.6-tip/kernel/posix-timers.c @@ -102,11 +102,7 @@ static DEFINE_SPINLOCK(idr_lock); /* * CLOCKs: The POSIX standard calls for a couple of clocks and allows us * to implement others. This structure defines the various - * clocks and allows the possibility of adding others. We - * provide an interface to add clocks to the table and expect - * the "arch" code to add at least one clock that is high - * resolution. Here we define the standard CLOCK_REALTIME as a - * 1/HZ resolution clock. + * clocks. * * RESOLUTION: Clock resolution is used to round up timer and interval * times, NOT to report clock times, which are reported with as @@ -116,20 +112,13 @@ static DEFINE_SPINLOCK(idr_lock); * necessary code is written. The standard says we should say * something about this issue in the documentation... * - * FUNCTIONS: The CLOCKs structure defines possible functions to handle - * various clock functions. For clocks that use the standard - * system timer code these entries should be NULL. This will - * allow dispatch without the overhead of indirect function - * calls. CLOCKS that depend on other sources (e.g. WWV or GPS) - * must supply functions here, even if the function just returns - * ENOSYS. The standard POSIX timer management code assumes the - * following: 1.) The k_itimer struct (sched.h) is used for the - * timer. 2.) The list, it_lock, it_clock, it_id and it_pid - * fields are not modified by timer code. + * FUNCTIONS: The CLOCKs structure defines possible functions to + * handle various clock functions. * - * At this time all functions EXCEPT clock_nanosleep can be - * redirected by the CLOCKS structure. Clock_nanosleep is in - * there, but the code ignores it. + * The standard POSIX timer management code assumes the + * following: 1.) The k_itimer struct (sched.h) is used for + * the timer. 2.) The list, it_lock, it_clock, it_id and + * it_pid fields are not modified by timer code. * * Permissions: It is assumed that the clock_settime() function defined * for each clock will take care of permission checks. Some -- 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/