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author | Thomas Zimmermann <tzimmermann@suse.de> | 2024-02-07 13:01:19 +0100 |
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committer | Thomas Zimmermann <tzimmermann@suse.de> | 2024-02-07 13:02:20 +0100 |
commit | 0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f (patch) | |
tree | 75b387bc359637c15b90ababb1ff073ca68b5bd8 /drivers/android/binder.c | |
parent | 2c8ba564a42c7418a726367c73d7c88454848fdc (diff) | |
parent | f8e4806e0dfa8796b3d7076a7fe054455a59c38b (diff) | |
download | linux-0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f.tar.gz linux-0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f.tar.bz2 linux-0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f.zip |
Merge drm/drm-next into drm-misc-next
Backmerging to update drm-misc-next to the state of v6.8-rc3. Also
fixes a build problem with xe.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/android/binder.c')
-rw-r--r-- | drivers/android/binder.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 8dd23b19e997..eca24f41556d 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -478,6 +478,16 @@ binder_enqueue_thread_work_ilocked(struct binder_thread *thread, { WARN_ON(!list_empty(&thread->waiting_thread_node)); binder_enqueue_work_ilocked(work, &thread->todo); + + /* (e)poll-based threads require an explicit wakeup signal when + * queuing their own work; they rely on these events to consume + * messages without I/O block. Without it, threads risk waiting + * indefinitely without handling the work. + */ + if (thread->looper & BINDER_LOOPER_STATE_POLL && + thread->pid == current->pid && !thread->process_todo) + wake_up_interruptible_sync(&thread->wait); + thread->process_todo = true; } |