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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-10-04 17:45:54 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-10-05 11:42:31 -0700 |
| commit | 36d2582ff235b4e01ad64a734c877a52dc762d9c (patch) | |
| tree | 71de3ed5c487600e822833da466a7d1f30ec0ba8 /drivers/input/evdev.c | |
| parent | Input: mousedev - add a schedule point in mousedev_write() (diff) | |
| download | linux-dev-36d2582ff235b4e01ad64a734c877a52dc762d9c.tar.xz linux-dev-36d2582ff235b4e01ad64a734c877a52dc762d9c.zip | |
Input: evdev - add a schedule point in evdev_write()
Large writes to evdev interface may cause rcu stalls. Let's add
cond_resched() to the loop to avoid this.
Reviewed-by: Paul E. McKenney <paulmck@linux.ibm.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/evdev.c')
| -rw-r--r-- | drivers/input/evdev.c | 1 |
1 files changed, 1 insertions, 0 deletions
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: |