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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-19 07:51:35 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-19 07:51:35 +0100 |
commit | 07749061b837a1268146dc8a620a522253cea877 (patch) | |
tree | 3708ac3f1a088869daf7e9826bc4b56abfcdac74 /drivers/android/binder.c | |
parent | 5c0941c55e5f681ffb05f395222ac673460bb3d0 (diff) | |
parent | b401b621758e46812da61fa58a67c3fd8d91de0d (diff) | |
download | linux-stable-07749061b837a1268146dc8a620a522253cea877.tar.gz linux-stable-07749061b837a1268146dc8a620a522253cea877.tar.bz2 linux-stable-07749061b837a1268146dc8a620a522253cea877.zip |
Merge 6.8-rc5 into driver-core-next
We need the driver core changes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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; } |