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watchdog: use suspend/resume interface in fixup_ht_bug()

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Remove watchdog_nmi_disable_all() and watchdog_nmi_enable_all() since
these functions are no longer needed.  If a subsystem has a need to
deactivate the watchdog temporarily, it should utilize the
watchdog_suspend() and watchdog_resume() functions.

[akpm@linux-foundation.org: fix build with CONFIG_LOCKUP_DETECTOR=m]
Signed-off-by: Ulrich Obergfell <uobergfe@redhat.com>
Reviewed-by: Aaron Tomlin <atomlin@redhat.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Ulrich Obergfell <uobergfe@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Stephane Eranian <eranian@google.com>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ulrich Obergfell
2015-09-04 15:45:25 -07:00
committed by Linus Torvalds
parent d4bdd0b21c
commit 999bbe49ea
3 changed files with 14 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel/watchdog.c
-35
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@@ -615,41 +615,6 @@ static void watchdog_nmi_disable(unsigned int cpu)
}
}
void watchdog_nmi_enable_all(void)
{
int cpu;
mutex_lock(&watchdog_proc_mutex);
if (!(watchdog_enabled & NMI_WATCHDOG_ENABLED))
goto unlock;
get_online_cpus();
for_each_watchdog_cpu(cpu)
watchdog_nmi_enable(cpu);
put_online_cpus();
unlock:
mutex_unlock(&watchdog_proc_mutex);
}
void watchdog_nmi_disable_all(void)
{
int cpu;
mutex_lock(&watchdog_proc_mutex);
if (!watchdog_running)
goto unlock;
get_online_cpus();
for_each_watchdog_cpu(cpu)
watchdog_nmi_disable(cpu);
put_online_cpus();
unlock:
mutex_unlock(&watchdog_proc_mutex);
}
#else
static int watchdog_nmi_enable(unsigned int cpu) { return 0; }
static void watchdog_nmi_disable(unsigned int cpu) { return; }