Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757109Ab1BANv5 (ORCPT ); Tue, 1 Feb 2011 08:51:57 -0500 Received: from www.tglx.de ([62.245.132.106]:47202 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757095Ab1BANvz (ORCPT ); Tue, 1 Feb 2011 08:51:55 -0500 Message-Id: <20110201134418.232288779@linutronix.de> User-Agent: quilt/0.48-1 Date: Tue, 01 Feb 2011 13:51:20 -0000 From: Thomas Gleixner To: LKML Cc: John Stultz , Richard Cochran , Ingo Molnar , Peter Zijlstra Subject: [patch 08/28] posix-timers: Cleanup restart_block usage References: <20110201134320.688829863@linutronix.de> Content-Disposition: inline; filename=posix-timers-cleanup-restart-block.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3832 Lines: 109 posix timers still use the legacy arg0-arg3 members of restart_block. Use restart_block.nanosleep instead Signed-off-by: Thomas Gleixner Cc: John Stultz Cc: Richard Cochran --- kernel/posix-cpu-timers.c | 38 +++++++++++++++----------------------- kernel/posix-timers.c | 2 +- 2 files changed, 16 insertions(+), 24 deletions(-) Index: linux-2.6-tip/kernel/posix-cpu-timers.c =================================================================== --- linux-2.6-tip.orig/kernel/posix-cpu-timers.c +++ linux-2.6-tip/kernel/posix-cpu-timers.c @@ -1485,7 +1485,7 @@ int posix_cpu_nsleep(const clockid_t whi struct timespec *rqtp, struct timespec __user *rmtp) { struct restart_block *restart_block = - ¤t_thread_info()->restart_block; + ¤t_thread_info()->restart_block; struct itimerspec it; int error; @@ -1501,50 +1501,42 @@ int posix_cpu_nsleep(const clockid_t whi if (error == -ERESTART_RESTARTBLOCK) { - if (flags & TIMER_ABSTIME) + if (flags & TIMER_ABSTIME) return -ERESTARTNOHAND; /* - * Report back to the user the time still remaining. - */ - if (rmtp != NULL && copy_to_user(rmtp, &it.it_value, sizeof *rmtp)) + * Report back to the user the time still remaining. + */ + if (rmtp && copy_to_user(rmtp, &it.it_value, sizeof *rmtp)) return -EFAULT; restart_block->fn = posix_cpu_nsleep_restart; - restart_block->arg0 = which_clock; - restart_block->arg1 = (unsigned long) rmtp; - restart_block->arg2 = rqtp->tv_sec; - restart_block->arg3 = rqtp->tv_nsec; + restart_block->nanosleep.index = which_clock; + restart_block->nanosleep.rmtp = rmtp; + restart_block->nanosleep.expires = timespec_to_ns(rqtp); } return error; } long posix_cpu_nsleep_restart(struct restart_block *restart_block) { - clockid_t which_clock = restart_block->arg0; - struct timespec __user *rmtp; + clockid_t which_clock = restart_block->nanosleep.index; struct timespec t; struct itimerspec it; int error; - rmtp = (struct timespec __user *) restart_block->arg1; - t.tv_sec = restart_block->arg2; - t.tv_nsec = restart_block->arg3; + t = ns_to_timespec(restart_block->nanosleep.expires); - restart_block->fn = do_no_restart_syscall; error = do_cpu_nanosleep(which_clock, TIMER_ABSTIME, &t, &it); if (error == -ERESTART_RESTARTBLOCK) { + struct timespec __user *rmtp = restart_block->nanosleep.rmtp; /* - * Report back to the user the time still remaining. - */ - if (rmtp != NULL && copy_to_user(rmtp, &it.it_value, sizeof *rmtp)) + * Report back to the user the time still remaining. + */ + if (rmtp && copy_to_user(rmtp, &it.it_value, sizeof *rmtp)) return -EFAULT; - restart_block->fn = posix_cpu_nsleep_restart; - restart_block->arg0 = which_clock; - restart_block->arg1 = (unsigned long) rmtp; - restart_block->arg2 = t.tv_sec; - restart_block->arg3 = t.tv_nsec; + restart_block->nanosleep.expires = timespec_to_ns(&t); } return error; 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 @@ -1034,7 +1034,7 @@ SYSCALL_DEFINE4(clock_nanosleep, const c */ long clock_nanosleep_restart(struct restart_block *restart_block) { - clockid_t which_clock = restart_block->arg0; + clockid_t which_clock = restart_block->nanosleep.index; struct k_clock *kc = clockid_to_kclock(which_clock); return kc->nsleep_restart(restart_block); -- 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/