Commit-ID: 946d197794b23202b8b46c43016747c72fe23393
Gitweb: http://git.kernel.org/tip/946d197794b23202b8b46c43016747c72fe23393
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Tue, 12 Sep 2017 21:37:01 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 14 Sep 2017 11:41:04 +0200
watchdog/core: Rename watchdog_proc_mutex
Following patches will use the mutex for other purposes as well. Rename it
as it is not longer a proc specific thing.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Chris Metcalf <cmetcalf@xxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Nicholas Piggin <npiggin@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Sebastian Siewior <bigeasy@xxxxxxxxxxxxx>
Cc: Ulrich Obergfell <uobergfe@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20170912194146.647714850@xxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
kernel/watchdog.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index cd79f64..7c3a0a7 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -29,8 +29,7 @@
#include <linux/kvm_para.h>
#include <linux/kthread.h>
-/* Watchdog configuration */
-static DEFINE_MUTEX(watchdog_proc_mutex);
+static DEFINE_MUTEX(watchdog_mutex);
int __read_mostly nmi_watchdog_enabled;
@@ -704,7 +703,7 @@ static int proc_watchdog_common(int which, struct ctl_table *table, int write,
int *watchdog_param = (int *)table->data;
cpu_hotplug_disable();
- mutex_lock(&watchdog_proc_mutex);
+ mutex_lock(&watchdog_mutex);
/*
* If the parameter is being read return the state of the corresponding
@@ -751,7 +750,7 @@ static int proc_watchdog_common(int which, struct ctl_table *table, int write,
err = proc_watchdog_update();
}
out:
- mutex_unlock(&watchdog_proc_mutex);
+ mutex_unlock(&watchdog_mutex);
cpu_hotplug_enable();
return err;
}
@@ -795,7 +794,7 @@ int proc_watchdog_thresh(struct ctl_table *table, int write,
int err, old, new;
cpu_hotplug_disable();
- mutex_lock(&watchdog_proc_mutex);
+ mutex_lock(&watchdog_mutex);
old = ACCESS_ONCE(watchdog_thresh);
err = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
@@ -817,7 +816,7 @@ int proc_watchdog_thresh(struct ctl_table *table, int write,
set_sample_period();
}
out:
- mutex_unlock(&watchdog_proc_mutex);
+ mutex_unlock(&watchdog_mutex);
cpu_hotplug_enable();
return err;
}
@@ -834,7 +833,7 @@ int proc_watchdog_cpumask(struct ctl_table *table, int write,
int err;
cpu_hotplug_disable();
- mutex_lock(&watchdog_proc_mutex);
+ mutex_lock(&watchdog_mutex);
err = proc_do_large_bitmap(table, write, buffer, lenp, ppos);
if (!err && write) {
@@ -855,7 +854,7 @@ int proc_watchdog_cpumask(struct ctl_table *table, int write,
watchdog_nmi_reconfigure();
}
- mutex_unlock(&watchdog_proc_mutex);
+ mutex_unlock(&watchdog_mutex);
cpu_hotplug_enable();
return err;
}
--
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