aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/vhost/test.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2019-09-15 14:17:27 +0200
committerDavid S. Miller <davem@davemloft.net>2019-09-15 14:17:27 +0200
commitaa2eaa8c272a3211dec07ce9c6c863a7e355c10e (patch)
tree8454a23d36b2ff36133c276ee0ba80eabc00850e /drivers/vhost/test.c
parentMerge tag 'wireless-drivers-next-for-davem-2019-09-14' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next (diff)
parentMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (diff)
downloadlinux-dev-aa2eaa8c272a3211dec07ce9c6c863a7e355c10e.tar.xz
linux-dev-aa2eaa8c272a3211dec07ce9c6c863a7e355c10e.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor overlapping changes in the btusb and ixgbe drivers. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/vhost/test.c')
-rw-r--r--drivers/vhost/test.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index 9e90e969af55..7804869c6a31 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -22,6 +22,12 @@
* Using this limit prevents one virtqueue from starving others. */
#define VHOST_TEST_WEIGHT 0x80000
+/* Max number of packets transferred before requeueing the job.
+ * Using this limit prevents one virtqueue from starving others with
+ * pkts.
+ */
+#define VHOST_TEST_PKT_WEIGHT 256
+
enum {
VHOST_TEST_VQ = 0,
VHOST_TEST_VQ_MAX = 1,
@@ -80,10 +86,8 @@ static void handle_vq(struct vhost_test *n)
}
vhost_add_used_and_signal(&n->dev, vq, head, 0);
total_len += len;
- if (unlikely(total_len >= VHOST_TEST_WEIGHT)) {
- vhost_poll_queue(&vq->poll);
+ if (unlikely(vhost_exceeds_weight(vq, 0, total_len)))
break;
- }
}
mutex_unlock(&vq->mutex);
@@ -115,7 +119,8 @@ static int vhost_test_open(struct inode *inode, struct file *f)
dev = &n->dev;
vqs[VHOST_TEST_VQ] = &n->vqs[VHOST_TEST_VQ];
n->vqs[VHOST_TEST_VQ].handle_kick = handle_vq_kick;
- vhost_dev_init(dev, vqs, VHOST_TEST_VQ_MAX);
+ vhost_dev_init(dev, vqs, VHOST_TEST_VQ_MAX, UIO_MAXIOV,
+ VHOST_TEST_PKT_WEIGHT, VHOST_TEST_WEIGHT);
f->private_data = n;