[PATCH RFC V2 1/4] vhost: introduce queue_index for tracing
From: Jason Wang <hidden>
Date: 2014-03-21 09:42:15
Also in:
kvm, lkml
Subsystem:
the rest, virtio host (vhost) · Maintainers:
Linus Torvalds, "Michael S. Tsirkin", Jason Wang
Signed-off-by: Jason Wang <redacted> --- drivers/vhost/net.c | 1 + drivers/vhost/vhost.h | 3 +++ 2 files changed, 4 insertions(+)
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index a0fa5de..85d666c 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c@@ -708,6 +708,7 @@ static int vhost_net_open(struct inode *inode, struct file *f) n->vqs[i].done_idx = 0; n->vqs[i].vhost_hlen = 0; n->vqs[i].sock_hlen = 0; + n->vqs[i].vq.queue_index = i; } vhost_dev_init(dev, vqs, VHOST_NET_VQ_MAX);
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 35eeb2a..6e36416 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h@@ -96,6 +96,9 @@ struct vhost_virtqueue { /* Last used index value we have signalled on */ bool signalled_used_valid; + /* Queue index used for tracing */ + u16 queue_index; + /* Log writes to used structure. */ bool log_used; u64 log_addr;
--
1.8.3.2