// SPDX-License-Identifier: GPL-2.0-only
/*
* lib / debug_locks . c
*
* Generic place for common debugging facilities for various locks :
* spinlocks , rwlocks , mutexes and rwsems .
*
* Started by Ingo Molnar :
*
* Copyright ( C ) 2006 Red Hat , Inc . , Ingo Molnar < mingo @ redhat . com >
*/
#include <linux/rwsem.h>
#include <linux/mutex.h>
#include <linux/export.h>
#include <linux/spinlock.h>
#include <linux/debug_locks.h>
/*
* We want to turn all lock - debugging facilities on / off at once ,
* via a global flag . The reason is that once a single bug has been
* detected and reported , there might be cascade of followup bugs
* that would just muddy the log . So we report the first one and
* shut up after that .
*/
int debug_locks __read_mostly = 1 ;
EXPORT_SYMBOL_GPL(debug_locks);
/*
* The locking - testsuite uses < debug_locks_silent > to get a
* ' silent failure ' : nothing is printed to the console when
* a locking bug is detected .
*/
int debug_locks_silent __read_mostly;
EXPORT_SYMBOL_GPL(debug_locks_silent);
/*
* Generic ' turn off all lock debugging ' function :
*/
int debug_locks_off(void )
{
if (debug_locks && __debug_locks_off()) {
if (!debug_locks_silent) {
console_verbose();
return 1 ;
}
}
return 0 ;
}
EXPORT_SYMBOL_GPL(debug_locks_off);
Messung V0.5 in Prozent C=91 H=100 G=95
¤ Dauer der Verarbeitung: 0.21 Sekunden
(vorverarbeitet am 2026-09-29)
¤
*© Formatika GbR, Deutschland