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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 16:58:07 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 16:58:07 +0000 |
commit | 5a6d13c86f2fe6304450e907fc1d8d72da82efef (patch) | |
tree | 1bd4e8854203c575eabaa99e2c509f8886065733 /drivers/android | |
parent | Adding upstream version 6.1.76. (diff) | |
download | linux-5a6d13c86f2fe6304450e907fc1d8d72da82efef.tar.xz linux-5a6d13c86f2fe6304450e907fc1d8d72da82efef.zip |
Adding upstream version 6.1.82.upstream/6.1.82upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/android')
-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 d933ef6cc..55cd17a13 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -477,6 +477,16 @@ 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; } |