From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751194AbdE3VpC (ORCPT ); Tue, 30 May 2017 17:45:02 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:55757 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751318AbdE3VmL (ORCPT ); Tue, 30 May 2017 17:42:11 -0400 Message-Id: <20170530211656.732632167@linutronix.de> User-Agent: quilt/0.63-1 Date: Tue, 30 May 2017 23:15:45 +0200 From: Thomas Gleixner To: LKML Cc: John Stultz , Peter Zijlstra , Ingo Molnar Subject: [patch 12/26] posix-timers: Add timer_rearm() callback References: <20170530211533.216608851@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=posix-timers--Add-timer_rearm---callback.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a timer_rearm() callback which is used to make the rescheduling of posix interval timers independent of the underlying clock implementation. Signed-off-by: Thomas Gleixner --- include/linux/posix-timers.h | 36 ++++++++++++++++++++---------------- 1 file changed, 20 insertions(+), 16 deletions(-) --- a/include/linux/posix-timers.h +++ b/include/linux/posix-timers.h @@ -101,23 +101,27 @@ struct k_itimer { } it; }; -struct k_clock { - int (*clock_getres) (const clockid_t which_clock, struct timespec64 *tp); - int (*clock_set) (const clockid_t which_clock, - const struct timespec64 *tp); - int (*clock_get) (const clockid_t which_clock, struct timespec64 *tp); - int (*clock_adj) (const clockid_t which_clock, struct timex *tx); - int (*timer_create) (struct k_itimer *timer); - int (*nsleep) (const clockid_t which_clock, int flags, - struct timespec64 *, struct timespec __user *); - long (*nsleep_restart) (struct restart_block *restart_block); - int (*timer_set) (struct k_itimer *timr, int flags, - struct itimerspec64 *new_setting, - struct itimerspec64 *old_setting); - int (*timer_del) (struct k_itimer *timr); #define TIMER_RETRY 1 - void (*timer_get) (struct k_itimer *timr, - struct itimerspec64 *cur_setting); + +struct k_clock { + int (*clock_getres)(const clockid_t which_clock, + struct timespec64 *tp); + int (*clock_set)(const clockid_t which_clock, + const struct timespec64 *tp); + int (*clock_get)(const clockid_t which_clock, + struct timespec64 *tp); + int (*clock_adj)(const clockid_t which_clock, struct timex *tx); + int (*timer_create)(struct k_itimer *timer); + int (*nsleep)(const clockid_t which_clock, int flags, + struct timespec64 *, struct timespec __user *); + long (*nsleep_restart)(struct restart_block *restart_block); + int (*timer_set)(struct k_itimer *timr, int flags, + struct itimerspec64 *new_setting, + struct itimerspec64 *old_setting); + int (*timer_del)(struct k_itimer *timr); + void (*timer_get)(struct k_itimer *timr, + struct itimerspec64 *cur_setting); + void (*timer_rearm)(struct k_itimer *timr); }; void run_posix_cpu_timers(struct task_struct *task);