Merge "binder: update latency_sensitive flag for binder transactions" (119d100a) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/android/binder.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -1022,6 +1022,12 @@ static void binder_wakeup_poll_threads_ilocked(struct binder_proc *proc,
		thread = rb_entry(n, struct binder_thread, rb_node);
		if (thread->looper & BINDER_LOOPER_STATE_POLL &&
		binder_available_for_proc_work_ilocked(thread)) {
		#ifdef CONFIG_SCHED_WALT
		if (sync && thread->task && thread->task->signal &&
		(thread->task->signal->oom_score_adj <= 0)) {
		thread->task->low_latency = true;
		}
		#endif
		if (sync)
		wake_up_interruptible_sync(&thread->wait);
		else
		@@ -1081,6 +1087,11 @@ static void binder_wakeup_thread_ilocked(struct binder_proc *proc,
		assert_spin_locked(&proc->inner_lock);

		if (thread) {
		#ifdef CONFIG_SCHED_WALT
		if (sync && thread->task && thread->task->signal &&
		(thread->task->signal->oom_score_adj <= 0))
		thread->task->low_latency = true;
		#endif
		if (sync)
		wake_up_interruptible_sync(&thread->wait);
		else
		@@ -3519,6 +3530,12 @@ static void binder_transaction(struct binder_proc *proc,
		binder_pop_transaction_ilocked(target_thread, in_reply_to);
		binder_enqueue_thread_work_ilocked(target_thread, &t->work);
		binder_inner_proc_unlock(target_proc);
		#ifdef CONFIG_SCHED_WALT
		if (target_thread->task && target_thread->task->signal &&
		(target_thread->task->signal->oom_score_adj <= 0)) {
		target_thread->task->low_latency = true;
		}
		#endif
		wake_up_interruptible_sync(&target_thread->wait);
		binder_restore_priority(current, in_reply_to->saved_priority);
		binder_free_transaction(in_reply_to);
		@@ -4497,6 +4514,10 @@ static int binder_thread_read(struct binder_proc *proc,
		ptr += trsize;

		trace_binder_transaction_received(t);
		#ifdef CONFIG_SCHED_WALT
		if (current->low_latency)
		current->low_latency = false;
		#endif
		binder_stat_br(proc, thread, cmd);
		binder_debug(BINDER_DEBUG_TRANSACTION,
		"%d:%d %s %d %d:%d, cmd %d size %zd-%zd ptr %016llx-%016llx\n",