From 533a19b4b88fcf81da3106b94f0ac4ac8b33a248 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Wed, 6 Oct 2010 15:34:38 +0200 Subject: [PATCH] vhost: put mm after thread stop makes it possible to batch use/unuse mm Signed-off-by: Michael S. Tsirkin --- drivers/vhost/vhost.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index ed277276fa98..9920bae6ee43 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -401,15 +401,14 @@ void vhost_dev_cleanup(struct vhost_dev *dev) kfree(rcu_dereference_protected(dev->memory, lockdep_is_held(&dev->mutex))); RCU_INIT_POINTER(dev->memory, NULL); - if (dev->mm) - mmput(dev->mm); - dev->mm = NULL; - WARN_ON(!list_empty(&dev->work_list)); if (dev->worker) { kthread_stop(dev->worker); dev->worker = NULL; } + if (dev->mm) + mmput(dev->mm); + dev->mm = NULL; } static int log_access_ok(void __user *log_base, u64 addr, unsigned long sz) -- 2.39.2