From cecf10704899467a787975e3d94a1f0129b9688e Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Thu, 4 Oct 2018 17:50:48 -0700 Subject: Input: uinput - add a schedule point in uinput_inject_events() Large writes to uinput interface may cause rcu stalls. Let's add cond_resched() to the loop to avoid this. Reviewed-by: Paul E. McKenney Signed-off-by: Dmitry Torokhov --- drivers/input/misc/uinput.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/input/misc') diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index eb14ddf69346..8ec483e8688b 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -598,6 +598,7 @@ static ssize_t uinput_inject_events(struct uinput_device *udev, input_event(udev->dev, ev.type, ev.code, ev.value); bytes += input_event_size(); + cond_resched(); } return bytes; -- cgit v1.2.3