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author | Peter Zijlstra <peterz@infradead.org> | 2021-08-15 23:28:58 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2021-08-17 19:05:23 +0200 |
commit | add461325ec5bc39aa619a1bfcde7245e5f31ac7 (patch) | |
tree | 37505374052314ee15c464d11ebbcdb7b612442d /kernel/locking/rtmutex_api.c | |
parent | 2408f7a3782a6bfa69a573f5408b3a9666db78ca (diff) | |
download | linux-add461325ec5bc39aa619a1bfcde7245e5f31ac7.tar.bz2 |
locking/rtmutex: Extend the rtmutex core to support ww_mutex
Add a ww acquire context pointer to the waiter and various functions and
add the ww_mutex related invocations to the proper spots in the locking
code, similar to the mutex based variant.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210815211304.966139174@linutronix.de
Diffstat (limited to 'kernel/locking/rtmutex_api.c')
-rw-r--r-- | kernel/locking/rtmutex_api.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/locking/rtmutex_api.c b/kernel/locking/rtmutex_api.c index 7f3ac096250d..16126fcb55ef 100644 --- a/kernel/locking/rtmutex_api.c +++ b/kernel/locking/rtmutex_api.c @@ -267,7 +267,7 @@ int __sched __rt_mutex_start_proxy_lock(struct rt_mutex_base *lock, return 1; /* We enforce deadlock detection for futexes */ - ret = task_blocks_on_rt_mutex(lock, waiter, task, + ret = task_blocks_on_rt_mutex(lock, waiter, task, NULL, RT_MUTEX_FULL_CHAINWALK); if (ret && !rt_mutex_owner(lock)) { @@ -343,7 +343,7 @@ int __sched rt_mutex_wait_proxy_lock(struct rt_mutex_base *lock, raw_spin_lock_irq(&lock->wait_lock); /* sleep on the mutex */ set_current_state(TASK_INTERRUPTIBLE); - ret = rt_mutex_slowlock_block(lock, TASK_INTERRUPTIBLE, to, waiter); + ret = rt_mutex_slowlock_block(lock, NULL, TASK_INTERRUPTIBLE, to, waiter); /* * try_to_take_rt_mutex() sets the waiter bit unconditionally. We might * have to fix that up. |