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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-08 16:58:08 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-08 16:58:08 +0000
commit1121cef62750fbc3ec1b87f4fcf2cef0f05f23a9 (patch)
treeba8548f2df113c7da8a46563947536f455f9a1c0 /drivers/android
parentAdding debian version 6.1.76-1. (diff)
downloadlinux-1121cef62750fbc3ec1b87f4fcf2cef0f05f23a9.tar.xz
linux-1121cef62750fbc3ec1b87f4fcf2cef0f05f23a9.zip
Merging upstream version 6.1.82.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/android')
-rw-r--r--drivers/android/binder.c10
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;
}