Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754793Ab1BBV5l (ORCPT ); Wed, 2 Feb 2011 16:57:41 -0500 Received: from hera.kernel.org ([140.211.167.34]:50476 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753962Ab1BBV5j (ORCPT ); Wed, 2 Feb 2011 16:57:39 -0500 Date: Wed, 2 Feb 2011 21:57:01 GMT From: tip-bot for Thomas Gleixner Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, johnstul@us.ibm.com, tglx@linutronix.de, richard.cochran@omicron.at Reply-To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, johnstul@us.ibm.com, tglx@linutronix.de, richard.cochran@omicron.at In-Reply-To: <20110201134418.034175556@linutronix.de> References: <20110201134418.034175556@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:timers/core] posix-timers: Convert clock_nanosleep to clockid_to_kclock() Message-ID: Git-Commit-ID: a5cd2880106cb2c79b3fe24f1c53dadba6a542a0 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Wed, 02 Feb 2011 21:57:02 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4998 Lines: 143 Commit-ID: a5cd2880106cb2c79b3fe24f1c53dadba6a542a0 Gitweb: http://git.kernel.org/tip/a5cd2880106cb2c79b3fe24f1c53dadba6a542a0 Author: Thomas Gleixner AuthorDate: Tue, 1 Feb 2011 13:51:11 +0000 Committer: Thomas Gleixner CommitDate: Wed, 2 Feb 2011 15:28:13 +0100 posix-timers: Convert clock_nanosleep to clockid_to_kclock() Use the new kclock decoding function in clock_nanosleep and cleanup all kclocks which use the default functions. Signed-off-by: Thomas Gleixner Acked-by: John Stultz Tested-by: Richard Cochran LKML-Reference: <20110201134418.034175556@linutronix.de> --- drivers/char/mmtimer.c | 1 - include/linux/posix-timers.h | 2 -- kernel/posix-timers.c | 26 +++++++------------------- 3 files changed, 7 insertions(+), 22 deletions(-) diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c index fd51cd8..262d104 100644 --- a/drivers/char/mmtimer.c +++ b/drivers/char/mmtimer.c @@ -768,7 +768,6 @@ static struct k_clock sgi_clock = { .clock_set = sgi_clock_set, .clock_get = sgi_clock_get, .timer_create = sgi_timer_create, - .nsleep = do_posix_clock_nonanosleep, .timer_set = sgi_timer_set, .timer_del = sgi_timer_del, .timer_get = sgi_timer_get diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h index 1330ff3..cd6da06 100644 --- a/include/linux/posix-timers.h +++ b/include/linux/posix-timers.h @@ -90,8 +90,6 @@ extern struct k_clock clock_posix_cpu; void register_posix_clock(const clockid_t clock_id, struct k_clock *new_clock); /* error handlers for timer_create, nanosleep and settime */ -int do_posix_clock_nonanosleep(const clockid_t, int flags, struct timespec *, - struct timespec __user *); int do_posix_clock_nosettime(const clockid_t, const struct timespec *tp); /* function to call to trigger timer event */ diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 14b0a70..ee69b21 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -216,12 +216,6 @@ static int no_timer_create(struct k_itimer *new_timer) return -EOPNOTSUPP; } -static int no_nsleep(const clockid_t which_clock, int flags, - struct timespec *tsave, struct timespec __user *rmtp) -{ - return -EOPNOTSUPP; -} - /* * Return nonzero if we know a priori this clockid_t value is bogus. */ @@ -282,32 +276,31 @@ static __init int init_posix_timers(void) { struct k_clock clock_realtime = { .clock_getres = hrtimer_get_res, + .nsleep = common_nsleep, }; struct k_clock clock_monotonic = { .clock_getres = hrtimer_get_res, .clock_get = posix_ktime_get_ts, .clock_set = do_posix_clock_nosettime, + .nsleep = common_nsleep, }; struct k_clock clock_monotonic_raw = { .clock_getres = hrtimer_get_res, .clock_get = posix_get_monotonic_raw, .clock_set = do_posix_clock_nosettime, .timer_create = no_timer_create, - .nsleep = no_nsleep, }; struct k_clock clock_realtime_coarse = { .clock_getres = posix_get_coarse_res, .clock_get = posix_get_realtime_coarse, .clock_set = do_posix_clock_nosettime, .timer_create = no_timer_create, - .nsleep = no_nsleep, }; struct k_clock clock_monotonic_coarse = { .clock_getres = posix_get_coarse_res, .clock_get = posix_get_monotonic_coarse, .clock_set = do_posix_clock_nosettime, .timer_create = no_timer_create, - .nsleep = no_nsleep, }; register_posix_clock(CLOCK_REALTIME, &clock_realtime); @@ -952,13 +945,6 @@ int do_posix_clock_nosettime(const clockid_t clockid, const struct timespec *tp) } EXPORT_SYMBOL_GPL(do_posix_clock_nosettime); -int do_posix_clock_nonanosleep(const clockid_t clock, int flags, - struct timespec *t, struct timespec __user *r) -{ - return -ENANOSLEEP_NOTSUP; -} -EXPORT_SYMBOL_GPL(do_posix_clock_nonanosleep); - SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock, const struct timespec __user *, tp) { @@ -1023,10 +1009,13 @@ SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags, const struct timespec __user *, rqtp, struct timespec __user *, rmtp) { + struct k_clock *kc = clockid_to_kclock(which_clock); struct timespec t; - if (invalid_clockid(which_clock)) + if (!kc) return -EINVAL; + if (!kc->nsleep) + return -ENANOSLEEP_NOTSUP; if (copy_from_user(&t, rqtp, sizeof (struct timespec))) return -EFAULT; @@ -1034,8 +1023,7 @@ SYSCALL_DEFINE4(clock_nanosleep, const clockid_t, which_clock, int, flags, if (!timespec_valid(&t)) return -EINVAL; - return CLOCK_DISPATCH(which_clock, nsleep, - (which_clock, flags, &t, rmtp)); + return kc->nsleep(which_clock, flags, &t, rmtp); } /* -- 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/