Messages in this thread Patch in this message | | | Date | Thu, 4 Oct 2018 17:54:32 -0700 | From | Dmitry Torokhov <> | Subject | [PATCH] Input: uinput - add a schedule point in uinput_inject_events() |
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Large writes to uinput interface may cause rcu stalls. Let's add cond_resched() to the loop to avoid this.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> --- drivers/input/misc/uinput.c | 1 + 1 file changed, 1 insertion(+)
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; -- 2.19.0.605.g01d371f741-goog
-- Dmitry
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