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virtio/vhost: Use auto_rcu_read macros

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Use RCU_READ_LOCK_GUARD instead of manual rcu_read_(un)lock

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20191025103403.120616-2-dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2019-10-25 11:34:02 +01:00 committed by Michael S. Tsirkin
parent f045a0104c
commit 7a064bcc66
1 changed files with 1 additions and 3 deletions
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4
hw/virtio/vhost.c
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@ -924,7 +924,7 @@ int vhost_device_iotlb_miss(struct vhost_dev *dev, uint64_t iova, int write)
uint64_t uaddr, len;
int ret = -EFAULT;
rcu_read_lock();
RCU_READ_LOCK_GUARD();
trace_vhost_iotlb_miss(dev, 1);
@ -956,8 +956,6 @@ int vhost_device_iotlb_miss(struct vhost_dev *dev, uint64_t iova, int write)
trace_vhost_iotlb_miss(dev, 2);
out:
rcu_read_unlock();
return ret;
}