watchdog: Replace __raw_get_cpu_var uses
authorChristoph Lameter <cl@linux.com>
Sun, 17 Aug 2014 17:30:34 +0000 (12:30 -0500)
committerTejun Heo <tj@kernel.org>
Tue, 26 Aug 2014 17:45:46 +0000 (13:45 -0400)
Most of these are the uses of &__raw_get_cpu_var for address calculation.

touch_softlockup_watchdog_sync() uses __raw_get_cpu_var to write to
per cpu variables. Use __this_cpu_write instead.

Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: linux-watchdog@vger.kernel.org
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
kernel/watchdog.c

index a8d6914030fe6ec5aa9e08154ce29b480d2c0745..dca8cae7e55d49d85e5f5f177d8dd193595aa599 100644 (file)
@@ -185,7 +185,7 @@ void touch_nmi_watchdog(void)
         * case we shouldn't have to worry about the watchdog
         * going off.
         */
-       __raw_get_cpu_var(watchdog_nmi_touch) = true;
+       raw_cpu_write(watchdog_nmi_touch, true);
        touch_softlockup_watchdog();
 }
 EXPORT_SYMBOL(touch_nmi_watchdog);
@@ -194,8 +194,8 @@ EXPORT_SYMBOL(touch_nmi_watchdog);
 
 void touch_softlockup_watchdog_sync(void)
 {
-       __raw_get_cpu_var(softlockup_touch_sync) = true;
-       __raw_get_cpu_var(watchdog_touch_ts) = 0;
+       __this_cpu_write(softlockup_touch_sync, true);
+       __this_cpu_write(watchdog_touch_ts, 0);
 }
 
 #ifdef CONFIG_HARDLOCKUP_DETECTOR
@@ -387,7 +387,7 @@ static void watchdog_set_prio(unsigned int policy, unsigned int prio)
 
 static void watchdog_enable(unsigned int cpu)
 {
-       struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
+       struct hrtimer *hrtimer = raw_cpu_ptr(&watchdog_hrtimer);
 
        /* kick off the timer for the hardlockup detector */
        hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
@@ -407,7 +407,7 @@ static void watchdog_enable(unsigned int cpu)
 
 static void watchdog_disable(unsigned int cpu)
 {
-       struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
+       struct hrtimer *hrtimer = raw_cpu_ptr(&watchdog_hrtimer);
 
        watchdog_set_prio(SCHED_NORMAL, 0);
        hrtimer_cancel(hrtimer);
@@ -534,7 +534,7 @@ static struct smp_hotplug_thread watchdog_threads = {
 
 static void restart_watchdog_hrtimer(void *info)
 {
-       struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
+       struct hrtimer *hrtimer = raw_cpu_ptr(&watchdog_hrtimer);
        int ret;
 
        /*