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From: Guo Zhi <qtxuning1999@sjtu.edu.cn>
To: jasowang@redhat.com, mst@redhat.com
Cc: eperezma@redhat.com, virtualization@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, sgarzare@redhat.com,
	Guo Zhi <qtxuning1999@sjtu.edu.cn>
Subject: [PATCH v2 1/4] virtio_test: kick vhost for a batch of descriptors
Date: Thu,  7 Jul 2022 10:44:06 +0800	[thread overview]
Message-ID: <20220707024409.1869-2-qtxuning1999@sjtu.edu.cn> (raw)
In-Reply-To: <20220707024409.1869-1-qtxuning1999@sjtu.edu.cn>

Only kick vhost when the batch finishes.

Signed-off-by: Guo Zhi <qtxuning1999@sjtu.edu.cn>
---
 tools/virtio/virtio_test.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
index 23f142af5..95f78b311 100644
--- a/tools/virtio/virtio_test.c
+++ b/tools/virtio/virtio_test.c
@@ -208,11 +208,10 @@ static void run_test(struct vdev_info *dev, struct vq_info *vq,
 				}
 
 				++started;
-
-				if (unlikely(!virtqueue_kick(vq->vq))) {
-					r = -1;
-					break;
-				}
+			}
+			if (unlikely(!virtqueue_kick(vq->vq))) {
+				r = -1;
+				break;
 			}
 
 			if (started >= bufs)
-- 
2.17.1


  reply	other threads:[~2022-07-07  3:00 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-07  2:44 [PATCH v2 0/4] virtio/virtio_test Guo Zhi
2022-07-07  2:44 ` Guo Zhi [this message]
2022-07-07  2:44 ` [PATCH v2 2/4] virtio_test: move magic number in code as defined constant Guo Zhi
2022-07-07  5:09   ` Michael S. Tsirkin
2022-07-07  5:09     ` Michael S. Tsirkin
2022-07-07  6:17     ` Guo Zhi
2022-07-07  7:36       ` Michael S. Tsirkin
2022-07-07  7:36         ` Michael S. Tsirkin
2022-07-07 12:15         ` Guo Zhi
2022-07-07 12:19         ` Guo Zhi
2022-07-07  2:44 ` [PATCH v2 3/4] virtio_test: use random length scatterlists to test descriptor chain Guo Zhi
2022-07-07  5:16   ` Michael S. Tsirkin
2022-07-07  5:16     ` Michael S. Tsirkin
2022-07-07  6:24     ` Guo Zhi
2022-07-07  2:44 ` [PATCH v2 4/4] virtio_test: enable indirection feature Guo Zhi
2022-07-07  4:59   ` Michael S. Tsirkin
2022-07-07  4:59     ` Michael S. Tsirkin
2022-07-07  5:56     ` Guo Zhi
2022-07-07  5:59       ` Michael S. Tsirkin
2022-07-07  5:59         ` Michael S. Tsirkin
2022-07-07  6:05         ` Guo Zhi

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