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[209.132.180.67]) by mx.google.com with ESMTP id wg7si4263840pac.159.2015.06.12.00.57.27; Fri, 12 Jun 2015 00:57:27 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754742AbbFLH5U (ORCPT + 29 others); Fri, 12 Jun 2015 03:57:20 -0400 Received: from mail-pd0-f180.google.com ([209.85.192.180]:34782 "EHLO mail-pd0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754596AbbFLH5R (ORCPT ); Fri, 12 Jun 2015 03:57:17 -0400 Received: by pdbki1 with SMTP id ki1so19786845pdb.1 for ; Fri, 12 Jun 2015 00:57:17 -0700 (PDT) X-Received: by 10.66.255.67 with SMTP id ao3mr21100126pad.60.1434095837295; Fri, 12 Jun 2015 00:57:17 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([175.111.195.49]) by mx.google.com with ESMTPSA id f1sm2766432pdp.24.2015.06.12.00.57.14 (version=TLSv1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 12 Jun 2015 00:57:16 -0700 (PDT) From: Baolin Wang To: tglx@linutronix.de Cc: arnd@arndb.de, linux-kernel@vger.kernel.org, baolin.wang@linaro.org, y2038@lists.linaro.org Subject: [PATCH v5 17/24] posix-timers: Convert to y2038 safe callbacks Date: Fri, 12 Jun 2015 15:56:05 +0800 Message-Id: X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: baolin.wang@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.48 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , The clock_getres()/clock_get()/clock_set()/timer_set()/timer_get() callbacks in struct k_clock are not year 2038 safe on 32bit systems, and it need convert to safe callbacks which use struct timespec64 or struct itimerspec64. Signed-off-by: Baolin Wang --- kernel/time/posix-timers.c | 94 ++++++++++++++++++++++---------------------- 1 file changed, 47 insertions(+), 47 deletions(-) diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index 029a2b6..80f630a 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -132,9 +132,9 @@ static struct k_clock posix_clocks[MAX_CLOCKS]; static int common_nsleep(const clockid_t, int flags, struct timespec *t, struct timespec __user *rmtp); static int common_timer_create(struct k_itimer *new_timer); -static void common_timer_get(struct k_itimer *, struct itimerspec *); +static void common_timer_get(struct k_itimer *, struct itimerspec64 *); static int common_timer_set(struct k_itimer *, int, - struct itimerspec *, struct itimerspec *); + struct itimerspec64 *, struct itimerspec64 *); static int common_timer_del(struct k_itimer *timer); static enum hrtimer_restart posix_timer_fn(struct hrtimer *data); @@ -233,17 +233,17 @@ static inline void unlock_timer(struct k_itimer *timr, unsigned long flags) } /* Get clock_realtime */ -static int posix_clock_realtime_get(clockid_t which_clock, struct timespec *tp) +static int posix_clock_realtime_get(clockid_t which_clock, struct timespec64 *tp) { - ktime_get_real_ts(tp); + ktime_get_real_ts64(tp); return 0; } /* Set clock_realtime */ static int posix_clock_realtime_set(const clockid_t which_clock, - const struct timespec *tp) + const struct timespec64 *tp) { - return do_sys_settimeofday(tp, NULL); + return do_sys_settimeofday64(tp, NULL); } static int posix_clock_realtime_adj(const clockid_t which_clock, @@ -255,44 +255,44 @@ static int posix_clock_realtime_adj(const clockid_t which_clock, /* * Get monotonic time for posix timers */ -static int posix_ktime_get_ts(clockid_t which_clock, struct timespec *tp) +static int posix_ktime_get_ts(clockid_t which_clock, struct timespec64 *tp) { - ktime_get_ts(tp); + ktime_get_ts64(tp); return 0; } /* * Get monotonic-raw time for posix timers */ -static int posix_get_monotonic_raw(clockid_t which_clock, struct timespec *tp) +static int posix_get_monotonic_raw(clockid_t which_clock, struct timespec64 *tp) { - getrawmonotonic(tp); + getrawmonotonic64(tp); return 0; } -static int posix_get_realtime_coarse(clockid_t which_clock, struct timespec *tp) +static int posix_get_realtime_coarse(clockid_t which_clock, struct timespec64 *tp) { - *tp = current_kernel_time(); + *tp = current_kernel_time64(); return 0; } static int posix_get_monotonic_coarse(clockid_t which_clock, - struct timespec *tp) + struct timespec64 *tp) { - *tp = get_monotonic_coarse(); + *tp = get_monotonic_coarse64(); return 0; } -static int posix_get_coarse_res(const clockid_t which_clock, struct timespec *tp) +static int posix_get_coarse_res(const clockid_t which_clock, struct timespec64 *tp) { - *tp = ktime_to_timespec(KTIME_LOW_RES); + *tp = ktime_to_timespec64(KTIME_LOW_RES); return 0; } -static int posix_get_boottime(const clockid_t which_clock, struct timespec *tp) +static int posix_get_boottime(const clockid_t which_clock, struct timespec64 *tp) { - get_monotonic_boottime(tp); + get_monotonic_boottime64(tp); return 0; } @@ -302,7 +302,7 @@ static int posix_get_tai(clockid_t which_clock, struct timespec64 *tp) return 0; } -static int posix_get_hrtimer_res(clockid_t which_clock, struct timespec *tp) +static int posix_get_hrtimer_res(clockid_t which_clock, struct timespec64 *tp) { tp->tv_sec = 0; tp->tv_nsec = hrtimer_resolution; @@ -315,57 +315,57 @@ static int posix_get_hrtimer_res(clockid_t which_clock, struct timespec *tp) static __init int init_posix_timers(void) { struct k_clock clock_realtime = { - .clock_getres = posix_get_hrtimer_res, - .clock_get = posix_clock_realtime_get, - .clock_set = posix_clock_realtime_set, + .clock_getres64 = posix_get_hrtimer_res, + .clock_get64 = posix_clock_realtime_get, + .clock_set64 = posix_clock_realtime_set, .clock_adj = posix_clock_realtime_adj, .nsleep = common_nsleep, .nsleep_restart = hrtimer_nanosleep_restart, .timer_create = common_timer_create, - .timer_set = common_timer_set, - .timer_get = common_timer_get, + .timer_set64 = common_timer_set, + .timer_get64 = common_timer_get, .timer_del = common_timer_del, }; struct k_clock clock_monotonic = { - .clock_getres = posix_get_hrtimer_res, - .clock_get = posix_ktime_get_ts, + .clock_getres64 = posix_get_hrtimer_res, + .clock_get64 = posix_ktime_get_ts, .nsleep = common_nsleep, .nsleep_restart = hrtimer_nanosleep_restart, .timer_create = common_timer_create, - .timer_set = common_timer_set, - .timer_get = common_timer_get, + .timer_set64 = common_timer_set, + .timer_get64 = common_timer_get, .timer_del = common_timer_del, }; struct k_clock clock_monotonic_raw = { - .clock_getres = posix_get_hrtimer_res, - .clock_get = posix_get_monotonic_raw, + .clock_getres64 = posix_get_hrtimer_res, + .clock_get64 = posix_get_monotonic_raw, }; struct k_clock clock_realtime_coarse = { - .clock_getres = posix_get_coarse_res, - .clock_get = posix_get_realtime_coarse, + .clock_getres64 = posix_get_coarse_res, + .clock_get64 = posix_get_realtime_coarse, }; struct k_clock clock_monotonic_coarse = { - .clock_getres = posix_get_coarse_res, - .clock_get = posix_get_monotonic_coarse, + .clock_getres64 = posix_get_coarse_res, + .clock_get64 = posix_get_monotonic_coarse, }; struct k_clock clock_tai = { - .clock_getres = posix_get_hrtimer_res, + .clock_getres64 = posix_get_hrtimer_res, .clock_get64 = posix_get_tai, .nsleep = common_nsleep, .nsleep_restart = hrtimer_nanosleep_restart, .timer_create = common_timer_create, - .timer_set = common_timer_set, - .timer_get = common_timer_get, + .timer_set64 = common_timer_set, + .timer_get64 = common_timer_get, .timer_del = common_timer_del, }; struct k_clock clock_boottime = { - .clock_getres = posix_get_hrtimer_res, - .clock_get = posix_get_boottime, + .clock_getres64 = posix_get_hrtimer_res, + .clock_get64 = posix_get_boottime, .nsleep = common_nsleep, .nsleep_restart = hrtimer_nanosleep_restart, .timer_create = common_timer_create, - .timer_set = common_timer_set, - .timer_get = common_timer_get, + .timer_set64 = common_timer_set, + .timer_get64 = common_timer_get, .timer_del = common_timer_del, }; @@ -842,7 +842,7 @@ static struct k_itimer *__lock_timer(timer_t timer_id, unsigned long *flags) * report. */ static void -common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting) +common_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting) { ktime_t now, remaining, iv; struct hrtimer *timer = &timr->it.real.timer; @@ -853,7 +853,7 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting) /* interval timer ? */ if (iv.tv64) - cur_setting->it_interval = ktime_to_timespec(iv); + cur_setting->it_interval = ktime_to_timespec64(iv); else if (!hrtimer_active(timer) && (timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE) return; @@ -879,7 +879,7 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting) if ((timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE) cur_setting->it_value.tv_nsec = 1; } else - cur_setting->it_value = ktime_to_timespec(remaining); + cur_setting->it_value = ktime_to_timespec64(remaining); } static int __timer_gettime(timer_t timer_id, struct itimerspec64 *cur_setting) @@ -946,7 +946,7 @@ SYSCALL_DEFINE1(timer_getoverrun, timer_t, timer_id) /* timr->it_lock is taken. */ static int common_timer_set(struct k_itimer *timr, int flags, - struct itimerspec *new_setting, struct itimerspec *old_setting) + struct itimerspec64 *new_setting, struct itimerspec64 *old_setting) { struct hrtimer *timer = &timr->it.real.timer; enum hrtimer_mode mode; @@ -975,10 +975,10 @@ common_timer_set(struct k_itimer *timr, int flags, hrtimer_init(&timr->it.real.timer, timr->it_clock, mode); timr->it.real.timer.function = posix_timer_fn; - hrtimer_set_expires(timer, timespec_to_ktime(new_setting->it_value)); + hrtimer_set_expires(timer, timespec64_to_ktime(new_setting->it_value)); /* Convert interval */ - timr->it.real.interval = timespec_to_ktime(new_setting->it_interval); + timr->it.real.interval = timespec64_to_ktime(new_setting->it_interval); /* SIGEV_NONE timers are not queued ! See common_timer_get */ if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE)) {