Messages in this thread Patch in this message | | | From | Don Zickus <> | Subject | [PATCH 3/9] watchdog: move definition of 'watchdog_proc_mutex' outside of proc_dowatchdog() | Date | Tue, 4 Nov 2014 11:20:18 -0500 |
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From: Ulrich Obergfell <uobergfe@redhat.com>
This series removes the proc_dowatchdog() function. Since multiple new functions need the 'watchdog_proc_mutex' to serialize access to the watchdog parameters in /proc/sys/kernel, move the mutex outside of any function.
Signed-off-by: Ulrich Obergfell <uobergfe@redhat.com> Signed-off-by: Don Zickus <dzickus@redhat.com> --- kernel/watchdog.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/kernel/watchdog.c b/kernel/watchdog.c index dcf28b2..df4ef38 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -701,6 +701,8 @@ static int proc_watchdog_update(void) } +static DEFINE_MUTEX(watchdog_proc_mutex); + /* * proc handler for /proc/sys/kernel/nmi_watchdog,watchdog_thresh */ @@ -710,7 +712,6 @@ int proc_dowatchdog(struct ctl_table *table, int write, { int err, old_thresh, old_enabled; bool old_hardlockup; - static DEFINE_MUTEX(watchdog_proc_mutex); mutex_lock(&watchdog_proc_mutex); old_thresh = ACCESS_ONCE(watchdog_thresh); -- 1.7.1
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