/*
 * Mutexes: blocking mutual exclusion locks
 *
 * started by Ingo Molnar:
 *
 *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
 *
 * This file contains mutex debugging related internal declarations,
 * prototypes and inline functions, for the CONFIG_DEBUG_MUTEXES case.
 * More details are in kernel/mutex-debug.c.
 */

/*
 * This must be called with lock->wait_lock held.
 */
extern void debug_mutex_lock_common(struct mutex *lock,
				    struct mutex_waiter *waiter);
extern void debug_mutex_wake_waiter(struct mutex *lock,
				    struct mutex_waiter *waiter);
extern void debug_mutex_free_waiter(struct mutex_waiter *waiter);
extern void debug_mutex_add_waiter(struct mutex *lock,
				   struct mutex_waiter *waiter,
				   struct task_struct *task);
extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
				struct task_struct *task);
extern void debug_mutex_unlock(struct mutex *lock);
extern void debug_mutex_init(struct mutex *lock, const char *name,
			     struct lock_class_key *key);

#define spin_lock_mutex(lock, flags)			\
	do {						\
		struct mutex *l = container_of(lock, struct mutex, wait_lock); \
							\
		DEBUG_LOCKS_WARN_ON(in_interrupt());	\
		local_irq_save(flags);			\
		arch_spin_lock(&(lock)->rlock.raw_lock);\
		DEBUG_LOCKS_WARN_ON(l->magic != l);	\
	} while (0)

#define spin_unlock_mutex(lock, flags)				\
	do {							\
		arch_spin_unlock(&(lock)->rlock.raw_lock);	\
		local_irq_restore(flags);			\
		preempt_check_resched();			\
	} while (0)
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=1001354ca34179f3db924eb66672442a173147dc'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?id=1001354ca34179f3db924eb66672442a173147dc'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/appletalk?id=1001354ca34179f3db924eb66672442a173147dc'>appletalk</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/appletalk/sysctl_net_atalk.c?id=1001354ca34179f3db924eb66672442a173147dc'>sysctl_net_atalk.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='1001354ca34179f3db924eb66672442a173147dc'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-10-15 12:17:50 -0700</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-10-15 12:17:50 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/appletalk/sysctl_net_atalk.c?id=1001354ca34179f3db924eb66672442a173147dc'>1001354ca34179f3db924eb66672442a173147dc</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/appletalk/sysctl_net_atalk.c?id=1001354ca34179f3db924eb66672442a173147dc'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=1001354ca34179f3db924eb66672442a173147dc'>000de57080b6bece6d336bc8c9d377a59b8129c9</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/appletalk/sysctl_net_atalk.c?id=1001354ca34179f3db924eb66672442a173147dc'>net/appletalk/sysctl_net_atalk.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/appletalk/sysctl_net_atalk.c?id=df34d04a6f09ba41037e58c3df6d6fbed0ffcde9'>df34d04a6f09ba41037e58c3df6d6fbed0ffcde9</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/appletalk/sysctl_net_atalk.c?id=1001354ca34179f3db924eb66672442a173147dc&amp;id2=df34d04a6f09ba41037e58c3df6d6fbed0ffcde9'>diff</a>)</td></tr></table>
<div class='commit-subject'>Linux 4.9-rc1</div><div class='commit-msg'></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=1001354ca34179f3db924eb66672442a173147dc'>Diffstat</a> (limited to 'net/appletalk/sysctl_net_atalk.c')</div><table summary='diffstat' class='diffstat'>