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Commit 9d5fa2c9 authored by Kishore Sri venkata Ganesh Bolisetty's avatar Kishore Sri venkata Ganesh Bolisetty Committed by Lingutla Chandrasekhar
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binder: update low_latency selection for binder transactions 



The change limits the low_latency flag selection to binder
transactions of the foreground high priority tasks.

Change-Id: Id191e63ba2ccf5537cb45711c20bc22831129a18
Signed-off-by: default avatarKishore Sri venkata Ganesh Bolisetty <bsrivenk@codeaurora.org>
[clingutla@codeaurora.org: Resolved trivial merge conflicts]
Signed-off-by: default avatarLingutla Chandrasekhar <clingutla@codeaurora.org>
parent 6dc3ebb3

drivers/android/binder.c

+7 −11
Original line number Diff line number Diff line
@@ -1023,10 +1023,10 @@ static void binder_wakeup_poll_threads_ilocked(struct binder_proc *proc, 
		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)) {

			if (thread->task && current->signal &&

				(current->signal->oom_score_adj == 0) &&

				(current->prio < DEFAULT_PRIO))

				thread->task->low_latency = true;

			}

#endif

			if (sync)

				wake_up_interruptible_sync(&thread->wait);
@@ -1088,8 +1088,9 @@ static void binder_wakeup_thread_ilocked(struct binder_proc *proc, 


	if (thread) {

#ifdef CONFIG_SCHED_WALT

		if (sync && thread->task && thread->task->signal &&

			(thread->task->signal->oom_score_adj <= 0))

		if (thread->task && current->signal &&

			(current->signal->oom_score_adj == 0) &&

			(current->prio < DEFAULT_PRIO))

			thread->task->low_latency = true;

#endif

		if (sync)
@@ -3530,12 +3531,7 @@ 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);