Messages in this thread Patch in this message | | | Date | Thu, 4 Oct 2018 17:53:59 -0700 | From | Dmitry Torokhov <> | Subject | [PATCH] Input: evdev - add a schedule point in evdev_write() |
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Large writes to evdev 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/evdev.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 370206f987f9..f48369d6f3a0 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -564,6 +564,7 @@ static ssize_t evdev_write(struct file *file, const char __user *buffer, input_inject_event(&evdev->handle, event.type, event.code, event.value); + cond_resched(); } out: -- 2.19.0.605.g01d371f741-goog
-- Dmitry
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