From: "Dr. David Alan Gilbert (git)" <dgilbert@redhat.com>
To: qemu-devel@nongnu.org, mst@redhat.com, jasowang@redhat.com
Subject: [PATCH 1/2] virtio/vhost: Use auto_rcu_read macros
Date: Fri, 25 Oct 2019 11:34:02 +0100 [thread overview]
Message-ID: <20191025103403.120616-2-dgilbert@redhat.com> (raw)
In-Reply-To: <20191025103403.120616-1-dgilbert@redhat.com>
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Use RCU_READ_LOCK_GUARD instead of manual rcu_read_(un)lock
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
hw/virtio/vhost.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 99de5f196f..4da0d5a6c5 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -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;
}
--
2.23.0
next prev parent reply other threads:[~2019-10-25 11:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-25 10:34 [PATCH 0/2] more rcu_read_(un)lock conversions Dr. David Alan Gilbert (git)
2019-10-25 10:34 ` Dr. David Alan Gilbert (git) [this message]
2019-10-25 10:34 ` [PATCH 2/2] virtio_net: use RCU_READ_LOCK_GUARD Dr. David Alan Gilbert (git)
2019-10-25 11:50 ` [PATCH 0/2] more rcu_read_(un)lock conversions Michael S. Tsirkin
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