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[PULL 13/14] virtio_net: use RCU_READ_LOCK_GUARD
From: |
Michael S. Tsirkin |
Subject: |
[PULL 13/14] virtio_net: use RCU_READ_LOCK_GUARD |
Date: |
Tue, 29 Oct 2019 19:01:21 -0400 |
From: "Dr. David Alan Gilbert" <address@hidden>
Use RCU_READ_LOCK_GUARD rather than the manual rcu_read_(un)lock call.
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/net/virtio-net.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 314f365e7c..97a5113f7e 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1490,12 +1490,9 @@ static ssize_t virtio_net_receive_rcu(NetClientState
*nc, const uint8_t *buf,
static ssize_t virtio_net_do_receive(NetClientState *nc, const uint8_t *buf,
size_t size)
{
- ssize_t r;
+ RCU_READ_LOCK_GUARD();
- rcu_read_lock();
- r = virtio_net_receive_rcu(nc, buf, size);
- rcu_read_unlock();
- return r;
+ return virtio_net_receive_rcu(nc, buf, size);
}
static void virtio_net_rsc_extract_unit4(VirtioNetRscChain *chain,
--
MST
- [PULL 02/14] pci: add option for net failover, (continued)
- [PULL 02/14] pci: add option for net failover, Michael S. Tsirkin, 2019/10/29
- [PULL 03/14] pci: mark devices partially unplugged, Michael S. Tsirkin, 2019/10/29
- [PULL 04/14] pci: mark device having guest unplug request pending, Michael S. Tsirkin, 2019/10/29
- [PULL 05/14] qapi: add unplug primary event, Michael S. Tsirkin, 2019/10/29
- [PULL 06/14] qapi: add failover negotiated event, Michael S. Tsirkin, 2019/10/29
- [PULL 07/14] migration: allow unplug during migration for failover devices, Michael S. Tsirkin, 2019/10/29
- [PULL 08/14] migration: add new migration state wait-unplug, Michael S. Tsirkin, 2019/10/29
- [PULL 09/14] libqos: tolerate wait-unplug migration state, Michael S. Tsirkin, 2019/10/29
- [PULL 11/14] vfio: unplug failover primary device before migration, Michael S. Tsirkin, 2019/10/29
- [PULL 12/14] virtio/vhost: Use auto_rcu_read macros, Michael S. Tsirkin, 2019/10/29
- [PULL 13/14] virtio_net: use RCU_READ_LOCK_GUARD,
Michael S. Tsirkin <=
- [PULL 10/14] net/virtio: add failover support, Michael S. Tsirkin, 2019/10/29
- [PULL 14/14] virtio: Use auto rcu_read macros, Michael S. Tsirkin, 2019/10/29
- Re: [PULL 00/14] virtio: features, cleanups, Peter Maydell, 2019/10/30