search for: virtqueue_set_affin

Displaying 20 results from an estimated 143 matches for "virtqueue_set_affin".

2013 Jan 21
6
[PATCH V6 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1033,29 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; + } - if (s...
2013 Jan 21
6
[PATCH V6 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1033,29 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; + } - if (s...
2013 Jan 25
4
[PATCH V7 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1033,29 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; + } - if (s...
2013 Jan 25
4
[PATCH V7 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1033,29 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; + } - if (s...
2013 Jan 18
3
[PATCH V5 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1033,29 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; + } - if (s...
2013 Jan 18
3
[PATCH V5 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1033,29 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; + } - if (s...
2013 Jan 08
3
[PATCH V3 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1032,29 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + per_cpu(vq_index, cpu) = i; + i++; + if (i >= vi->max...
2013 Jan 08
3
[PATCH V3 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1032,29 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + per_cpu(vq_index, cpu) = i; + i++; + if (i >= vi->max...
2013 Jan 11
2
[PATCH V4 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1033,29 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; + } - if (s...
2013 Jan 11
2
[PATCH V4 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1033,29 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; + } - if (s...
2013 Jan 25
5
[PATCH V8 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...et) + if (vi->affinity_hint_set) { set = false; - else + } else { + i = 0; + for_each_online_cpu(cpu) + *per_cpu_ptr(vi->vq_index, cpu) = + ++i % vi->curr_queue_pairs; return; + } } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; + } - if (s...
2013 Jan 25
5
[PATCH V8 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...et) + if (vi->affinity_hint_set) { set = false; - else + } else { + i = 0; + for_each_online_cpu(cpu) + *per_cpu_ptr(vi->vq_index, cpu) = + ++i % vi->curr_queue_pairs; return; + } } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; + } - if (s...
2013 Jan 07
1
[PATCH V2 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1030,25 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + i++; + if (i >= vi->max_queue_pairs) + break; + }...
2013 Jan 07
1
[PATCH V2 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...umber of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by @@ -1029,16 +1030,25 @@ static void virtnet_set_affinity(struct virtnet_info *vi, bool set) return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; - virtqueue_set_affinity(vi->rq[i].vq, cpu); - virtqueue_set_affinity(vi->sq[i].vq, cpu); - } + if (set) { + i = 0; + for_each_online_cpu(cpu) { + virtqueue_set_affinity(vi->rq[i].vq, cpu); + virtqueue_set_affinity(vi->sq[i].vq, cpu); + i++; + if (i >= vi->max_queue_pairs) + break; + }...
2013 Sep 27
4
[PATCH net-next] virtio-net: switch to use XPS to choose txq
...irtnet_set_affinity(struct virtnet_info *vi) { + cpumask_var_t cpumask; int i; int cpu; @@ -1100,15 +1087,21 @@ static void virtnet_set_affinity(struct virtnet_info *vi) return; } + if (!alloc_cpumask_var(&cpumask, GFP_KERNEL)) + return; + i = 0; for_each_online_cpu(cpu) { virtqueue_set_affinity(vi->rq[i].vq, cpu); virtqueue_set_affinity(vi->sq[i].vq, cpu); - *per_cpu_ptr(vi->vq_index, cpu) = i; + cpumask_clear(cpumask); + cpumask_set_cpu(cpu, cpumask); + netif_set_xps_queue(vi->dev, cpumask, i); i++; } vi->affinity_hint_set = true; + free_cpumask_var(cpum...
2013 Sep 27
4
[PATCH net-next] virtio-net: switch to use XPS to choose txq
...irtnet_set_affinity(struct virtnet_info *vi) { + cpumask_var_t cpumask; int i; int cpu; @@ -1100,15 +1087,21 @@ static void virtnet_set_affinity(struct virtnet_info *vi) return; } + if (!alloc_cpumask_var(&cpumask, GFP_KERNEL)) + return; + i = 0; for_each_online_cpu(cpu) { virtqueue_set_affinity(vi->rq[i].vq, cpu); virtqueue_set_affinity(vi->sq[i].vq, cpu); - *per_cpu_ptr(vi->vq_index, cpu) = i; + cpumask_clear(cpumask); + cpumask_set_cpu(cpu, cpumask); + netif_set_xps_queue(vi->dev, cpumask, i); i++; } vi->affinity_hint_set = true; + free_cpumask_var(cpum...
2015 Apr 23
1
[PATCH v5 1/8] virtio: introduce virtio_is_little_endian() helper
...++++------ > 1 file changed, 11 insertions(+), 6 deletions(-) > > diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h > index ca3ed78..bd1a582 100644 > --- a/include/linux/virtio_config.h > +++ b/include/linux/virtio_config.h > @@ -205,35 +205,40 @@ int virtqueue_set_affinity(struct virtqueue *vq, int cpu) > return 0; > } > > +static inline bool virtio_is_little_endian(struct virtio_device *vdev) > +{ > + return virtio_has_feature(vdev, VIRTIO_F_VERSION_1); > +} So this function returns false when _not_ using version 1, but running on a lit...
2015 Apr 23
1
[PATCH v5 1/8] virtio: introduce virtio_is_little_endian() helper
...++++------ > 1 file changed, 11 insertions(+), 6 deletions(-) > > diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h > index ca3ed78..bd1a582 100644 > --- a/include/linux/virtio_config.h > +++ b/include/linux/virtio_config.h > @@ -205,35 +205,40 @@ int virtqueue_set_affinity(struct virtqueue *vq, int cpu) > return 0; > } > > +static inline bool virtio_is_little_endian(struct virtio_device *vdev) > +{ > + return virtio_has_feature(vdev, VIRTIO_F_VERSION_1); > +} So this function returns false when _not_ using version 1, but running on a lit...
2013 Sep 29
0
[PATCH net-next] virtio-net: switch to use XPS to choose txq
...pumask; > int i; > int cpu; > > @@ -1100,15 +1087,21 @@ static void virtnet_set_affinity(struct virtnet_info *vi) > return; > } > > + if (!alloc_cpumask_var(&cpumask, GFP_KERNEL)) > + return; > + > i = 0; > for_each_online_cpu(cpu) { > virtqueue_set_affinity(vi->rq[i].vq, cpu); > virtqueue_set_affinity(vi->sq[i].vq, cpu); > - *per_cpu_ptr(vi->vq_index, cpu) = i; > + cpumask_clear(cpumask); > + cpumask_set_cpu(cpu, cpumask); > + netif_set_xps_queue(vi->dev, cpumask, i); > i++; > } > > vi->affi...
2013 Sep 30
4
[net-next PATCH V2] virtio-net: switch to use XPS to choose txq
...->vq_index, cpu) = -1; - } else { - *per_cpu_ptr(vi->vq_index, cpu) = - ++i % vi->curr_queue_pairs; - } - } } static void virtnet_set_affinity(struct virtnet_info *vi) @@ -1104,7 +1090,7 @@ static void virtnet_set_affinity(struct virtnet_info *vi) for_each_online_cpu(cpu) { virtqueue_set_affinity(vi->rq[i].vq, cpu); virtqueue_set_affinity(vi->sq[i].vq, cpu); - *per_cpu_ptr(vi->vq_index, cpu) = i; + netif_set_xps_queue(vi->dev, cpumask_of(cpu), i); i++; } @@ -1217,28 +1203,6 @@ static int virtnet_change_mtu(struct net_device *dev, int new_mtu) return 0; } -/*...