Displaying 1 result from an estimated 1 matches for "36252f344660".
2018 Sep 18
0
[RFC PATCH 2/2] virtio/s390: fix race in ccw_io_helper()
...but
with a per-device mutex. That looks like the easiest solution.
> ---
> drivers/s390/virtio/virtio_ccw.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
> index a5e8530a3391..36252f344660 100644
> --- a/drivers/s390/virtio/virtio_ccw.c
> +++ b/drivers/s390/virtio/virtio_ccw.c
> @@ -289,6 +289,8 @@ static int doing_io(struct virtio_ccw_device *vcdev, __u32 flag)
> return ret;
> }
>
> +DEFINE_MUTEX(vcio_mtx);
> +
> static int ccw_io_helper(struct virti...