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| author | David Vrabel <david.vrabel@citrix.com> | 2014-04-07 16:52:12 +0400 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2014-04-07 16:52:12 +0400 |
| commit | 2c5cb2770392fb9c5d8518688c8bc61986d70dc6 (patch) | |
| tree | b19210e709de6ee0d22b67ef605a569500cf1a18 /kernel/locking/mutex-debug.c | |
| parent | cd979883b9ede90643e019f33cb317933eb867b4 (diff) | |
| parent | 683b6c6f82a60fabf47012581c2cfbf1b037ab95 (diff) | |
| download | linux-2c5cb2770392fb9c5d8518688c8bc61986d70dc6.tar.xz | |
Merge commit '683b6c6f82a60fabf47012581c2cfbf1b037ab95' into stable/for-linus-3.15
This merge of the irq-core-for-linus branch broke the ARM build when
Xen is enabled.
Conflicts:
drivers/xen/events/events_base.c
Diffstat (limited to 'kernel/locking/mutex-debug.c')
| -rw-r--r-- | kernel/locking/mutex-debug.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c index faf6f5b53e77..e1191c996c59 100644 --- a/kernel/locking/mutex-debug.c +++ b/kernel/locking/mutex-debug.c @@ -83,6 +83,12 @@ void debug_mutex_unlock(struct mutex *lock) DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next); mutex_clear_owner(lock); + + /* + * __mutex_slowpath_needs_to_unlock() is explicitly 0 for debug + * mutexes so that we can do it here after we've verified state. + */ + atomic_set(&lock->count, 1); } void debug_mutex_init(struct mutex *lock, const char *name, |