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watchdog/core: Rename some softlockup_* functions

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The function names made sense up to the point where the watchdog
(re)configuration was unified to use softlockup_reconfigure_threads() for
all configuration purposes. But that includes scenarios which solely
configure the nmi watchdog.

Rename softlockup_reconfigure_threads() and softlockup_init_threads() so
the function names match the functionality.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linuxfoundation.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Don Zickus <dzickus@redhat.com>
This commit is contained in:
Thomas Gleixner 2017-10-04 10:03:04 +02:00
parent 34ddaa3e5c
commit 5587185ddb
1 changed files with 9 additions and 9 deletions
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18
kernel/watchdog.c
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@ -551,7 +551,7 @@ static void softlockup_unpark_threads(void)
softlockup_update_smpboot_threads();
}
static void softlockup_reconfigure_threads(void)
static void lockup_detector_reconfigure(void)
{
cpus_read_lock();
watchdog_nmi_stop();
@ -570,13 +570,13 @@ static void softlockup_reconfigure_threads(void)
}
/*
* Create the watchdog thread infrastructure.
* Create the watchdog thread infrastructure and configure the detector(s).
*
* The threads are not unparked as watchdog_allowed_mask is empty. When
* the threads are sucessfully initialized, take the proper locks and
* unpark the threads in the watchdog_cpumask if the watchdog is enabled.
*/
static __init void softlockup_init_threads(void)
static __init void lockup_detector_setup(void)
{
int ret;
@ -599,7 +599,7 @@ static __init void softlockup_init_threads(void)
mutex_lock(&watchdog_mutex);
softlockup_threads_initialized = true;
softlockup_reconfigure_threads();
lockup_detector_reconfigure();
mutex_unlock(&watchdog_mutex);
}
@ -608,7 +608,7 @@ static inline int watchdog_park_threads(void) { return 0; }
static inline void watchdog_unpark_threads(void) { }
static inline int watchdog_enable_all_cpus(void) { return 0; }
static inline void watchdog_disable_all_cpus(void) { }
static void softlockup_reconfigure_threads(void)
static void lockup_detector_reconfigure(void)
{
cpus_read_lock();
watchdog_nmi_stop();
@ -616,9 +616,9 @@ static void softlockup_reconfigure_threads(void)
watchdog_nmi_start();
cpus_read_unlock();
}
static inline void softlockup_init_threads(void)
static inline void lockup_detector_setup(void)
{
softlockup_reconfigure_threads();
lockup_detector_reconfigure();
}
#endif /* !CONFIG_SOFTLOCKUP_DETECTOR */
@ -658,7 +658,7 @@ static void proc_watchdog_update(void)
{
/* Remove impossible cpus to keep sysctl output clean. */
cpumask_and(&watchdog_cpumask, &watchdog_cpumask, cpu_possible_mask);
softlockup_reconfigure_threads();
lockup_detector_reconfigure();
}
/*
@ -785,5 +785,5 @@ void __init lockup_detector_init(void)
if (!watchdog_nmi_probe())
nmi_watchdog_available = true;
softlockup_init_threads();
lockup_detector_setup();
}