Displaying 6 results from an estimated 6 matches for "78f3c5f".
2016 Dec 12
0
[PATCH] vhost: cache used event for better performance
...rn vring_need_event(vhost16_to_cpu(vq, event), new, old);
+ vq->last_used_event = vhost16_to_cpu(vq, event);
+
+ return vring_need_event(vq->last_used_event, new, old);
}
/* This actually signals the guest, using eventfd. */
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 78f3c5f..a9cbbb1 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -107,6 +107,9 @@ struct vhost_virtqueue {
/* Last index we used. */
u16 last_used_idx;
+ /* Last used evet we've seen */
+ u16 last_used_event;
+
/* Used flags */
u16 used_flags;
--
2.7.4
2016 Dec 12
0
[PATCH] vhost: cache used event for better performance
...rn vring_need_event(vhost16_to_cpu(vq, event), new, old);
+ vq->last_used_event = vhost16_to_cpu(vq, event);
+
+ return vring_need_event(vq->last_used_event, new, old);
}
/* This actually signals the guest, using eventfd. */
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 78f3c5f..a9cbbb1 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -107,6 +107,9 @@ struct vhost_virtqueue {
/* Last index we used. */
u16 last_used_idx;
+ /* Last used evet we've seen */
+ u16 last_used_event;
+
/* Used flags */
u16 used_flags;
--
2.7.4
2016 Dec 14
1
[PATCH V2] vhost: introduce O(1) vq metadata cache
..._get_user(vq, avail_idx, &vq->avail->idx);
+ r = vhost_get_avail(vq, avail_idx, &vq->avail->idx);
if (r) {
vq_err(vq, "Failed to check avail idx at %p: %d\n",
&vq->avail->idx, r);
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 78f3c5f..034ea18 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -76,6 +76,13 @@ struct vhost_umem {
int numem;
};
+enum vhost_uaddr_type {
+ VHOST_ADDR_DESC = 0,
+ VHOST_ADDR_AVAIL = 1,
+ VHOST_ADDR_USED = 2,
+ VHOST_NUM_ADDRS = 3,
+};
+
/* The virtqueue structure describes a queue...
2016 Dec 14
1
[PATCH V2] vhost: introduce O(1) vq metadata cache
..._get_user(vq, avail_idx, &vq->avail->idx);
+ r = vhost_get_avail(vq, avail_idx, &vq->avail->idx);
if (r) {
vq_err(vq, "Failed to check avail idx at %p: %d\n",
&vq->avail->idx, r);
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 78f3c5f..034ea18 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -76,6 +76,13 @@ struct vhost_umem {
int numem;
};
+enum vhost_uaddr_type {
+ VHOST_ADDR_DESC = 0,
+ VHOST_ADDR_AVAIL = 1,
+ VHOST_ADDR_USED = 2,
+ VHOST_NUM_ADDRS = 3,
+};
+
/* The virtqueue structure describes a queue...
2016 Dec 14
2
[PATCH] vhost: introduce O(1) vq metadata cache
..._get_user(vq, avail_idx, &vq->avail->idx);
+ r = vhost_get_avail(vq, avail_idx, &vq->avail->idx);
if (r) {
vq_err(vq, "Failed to check avail idx at %p: %d\n",
&vq->avail->idx, r);
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 78f3c5f..034ea18 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -76,6 +76,13 @@ struct vhost_umem {
int numem;
};
+enum vhost_uaddr_type {
+ VHOST_ADDR_DESC = 0,
+ VHOST_ADDR_AVAIL = 1,
+ VHOST_ADDR_USED = 2,
+ VHOST_NUM_ADDRS = 3,
+};
+
/* The virtqueue structure describes a queue...
2016 Dec 14
2
[PATCH] vhost: introduce O(1) vq metadata cache
..._get_user(vq, avail_idx, &vq->avail->idx);
+ r = vhost_get_avail(vq, avail_idx, &vq->avail->idx);
if (r) {
vq_err(vq, "Failed to check avail idx at %p: %d\n",
&vq->avail->idx, r);
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 78f3c5f..034ea18 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -76,6 +76,13 @@ struct vhost_umem {
int numem;
};
+enum vhost_uaddr_type {
+ VHOST_ADDR_DESC = 0,
+ VHOST_ADDR_AVAIL = 1,
+ VHOST_ADDR_USED = 2,
+ VHOST_NUM_ADDRS = 3,
+};
+
/* The virtqueue structure describes a queue...