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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-04 06:19:37 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-04 06:19:37 -0800 |
commit | ed5551279c9100aff6adf337d809057a7532b6f7 (patch) | |
tree | 32835b919718c82f7a414041d7951971733c2dfe /drivers/android/binder.c | |
parent | f1a27f081c1fa1eeebf38406e45f29636114470f (diff) | |
parent | 54be6c6c5ae8e0d93a6c4641cb7528eb0b6ba478 (diff) |
Merge 6.8-rc3 into usb-next
We need the USB fixes 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; } |