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| author | Peter Zijlstra <peterz@infradead.org> | 2021-08-15 23:28:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-08-17 19:05:23 +0200 |
| commit | add461325ec5bc39aa619a1bfcde7245e5f31ac7 (patch) | |
| tree | 37505374052314ee15c464d11ebbcdb7b612442d /kernel/locking/rtmutex_common.h | |
| parent | locking/ww_mutex: Add rt_mutex based lock type and accessors (diff) | |
| download | linux-add461325ec5bc39aa619a1bfcde7245e5f31ac7.tar.xz linux-add461325ec5bc39aa619a1bfcde7245e5f31ac7.zip | |
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_common.h')
| -rw-r--r-- | kernel/locking/rtmutex_common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/locking/rtmutex_common.h b/kernel/locking/rtmutex_common.h index ccf0e36d6c31..61256de5bd66 100644 --- a/kernel/locking/rtmutex_common.h +++ b/kernel/locking/rtmutex_common.h @@ -28,6 +28,7 @@ * @wake_state: Wakeup state to use (TASK_NORMAL or TASK_RTLOCK_WAIT) * @prio: Priority of the waiter * @deadline: Deadline of the waiter if applicable + * @ww_ctx: WW context pointer */ struct rt_mutex_waiter { struct rb_node tree_entry; @@ -37,6 +38,7 @@ struct rt_mutex_waiter { unsigned int wake_state; int prio; u64 deadline; + struct ww_acquire_ctx *ww_ctx; }; /** |