diff options
Diffstat (limited to 'drivers/vhost/vhost.c')
| -rw-r--r-- | drivers/vhost/vhost.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 94dbd25caa30..ef82a0d18489 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -64,7 +64,7 @@ static int vhost_poll_wakeup(wait_queue_t *wait, unsigned mode, int sync, return 0; } -static void vhost_work_init(struct vhost_work *work, vhost_work_fn_t fn) +void vhost_work_init(struct vhost_work *work, vhost_work_fn_t fn) { INIT_LIST_HEAD(&work->node); work->fn = fn; @@ -137,8 +137,7 @@ void vhost_poll_flush(struct vhost_poll *poll) vhost_work_flush(poll->dev, &poll->work); } -static inline void vhost_work_queue(struct vhost_dev *dev, - struct vhost_work *work) +void vhost_work_queue(struct vhost_dev *dev, struct vhost_work *work) { unsigned long flags; @@ -191,7 +190,9 @@ static int vhost_worker(void *data) struct vhost_dev *dev = data; struct vhost_work *work = NULL; unsigned uninitialized_var(seq); + mm_segment_t oldfs = get_fs(); + set_fs(USER_DS); use_mm(dev->mm); for (;;) { @@ -229,6 +230,7 @@ static int vhost_worker(void *data) } unuse_mm(dev->mm); + set_fs(oldfs); return 0; } |