Revision 9cd02b09a0f4439e5323c20b710331771c2b6341 authored by Greg Kroah-Hartman on 16 August 2019, 10:35:56 UTC, committed by Greg Kroah-Hartman on 16 August 2019, 10:35:56 UTC
Vinod writes: soundwire fixes for v5.3-rc5 Pierre sent fixes which are queued now for v5.3-rc5 are: - regmap dependecy - cadence register definitions * tag 'soundwire-5.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: soundwire: fix regmap dependencies and align with other serial links soundwire: cadence_master: fix definitions for INTSTAT0/1 soundwire: cadence_master: fix register definition for SLAVE_STATE
debug_locks.c
// 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);
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