[1/9] vhost: fix virtio ready flag check

Message ID 20200514080218.1435344-2-maxime.coquelin@redhat.com (mailing list archive)
State Superseded, archived
Delegated to: Maxime Coquelin
Headers
Series vhost: improve Vhost/vDPA device init |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-nxp-Performance success Performance Testing PASS
ci/Intel-compilation fail Compilation issues
ci/iol-mellanox-Performance success Performance Testing PASS
ci/iol-testing fail Testing issues

Commit Message

Maxime Coquelin May 14, 2020, 8:02 a.m. UTC
  Before checking whether the device is ready is done
a check on whether the RUNNING flag is set. Then the
READY flag is set if virtio_is_ready() returns true.

While it seems to not cause any issue, it makes more
sense to check whether the READY flag is set and not
the RUNNING one.

Fixes: c0674b1bc898 ("vhost: move the device ready check at proper place")
Cc: stable@dpdk.org

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 lib/librte_vhost/vhost_user.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Patch

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 9c891d4c01..106b6d7609 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -2784,7 +2784,7 @@  vhost_user_msg_handler(int vid, int fd)
 		return -1;
 	}
 
-	if (!(dev->flags & VIRTIO_DEV_RUNNING) && virtio_is_ready(dev)) {
+	if (!(dev->flags & VIRTIO_DEV_READY) && virtio_is_ready(dev)) {
 		dev->flags |= VIRTIO_DEV_READY;
 
 		if (!(dev->flags & VIRTIO_DEV_RUNNING)) {