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Re: [Qemu-devel] [PATCH 1/8] virtio-net: replace redundant config_size f
From: |
Anthony Liguori |
Subject: |
Re: [Qemu-devel] [PATCH 1/8] virtio-net: replace redundant config_size field with config_len |
Date: |
Tue, 19 Feb 2013 14:36:20 -0600 |
User-agent: |
Notmuch/0.13.2+93~ged93d79 (http://notmuchmail.org) Emacs/23.3.1 (x86_64-pc-linux-gnu) |
Jesse Larrew <address@hidden> writes:
> Commit 14f9b664b34bbd37a488cb5c762aa278c60e1fb6 added a config_size field
> to struct VirtIONet. However, struct VirtIONet has an embedded struct
> VirtIODevice that already contains a config_len field for this purpose, so
> config_size is unnecessary. This patch simply replaces it with
> vdev->config_len instead.
>
> Signed-off-by: Jesse Larrew <address@hidden>
Reviewed-by: Anthony Liguori <address@hidden>
Regards,
Anthony Liguori
> ---
> hw/virtio-net.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/hw/virtio-net.c b/hw/virtio-net.c
> index 573c669..bdbfc18 100644
> --- a/hw/virtio-net.c
> +++ b/hw/virtio-net.c
> @@ -73,7 +73,6 @@ typedef struct VirtIONet
> int multiqueue;
> uint16_t max_queues;
> uint16_t curr_queues;
> - size_t config_size;
> } VirtIONet;
>
> /*
> @@ -127,7 +126,7 @@ static void virtio_net_get_config(VirtIODevice *vdev,
> uint8_t *config)
> stw_p(&netcfg.status, n->status);
> stw_p(&netcfg.max_virtqueue_pairs, n->max_queues);
> memcpy(netcfg.mac, n->mac, ETH_ALEN);
> - memcpy(config, &netcfg, n->config_size);
> + memcpy(config, &netcfg, vdev->config_len);
> }
>
> static void virtio_net_set_config(VirtIODevice *vdev, const uint8_t *config)
> @@ -135,7 +134,7 @@ static void virtio_net_set_config(VirtIODevice *vdev,
> const uint8_t *config)
> VirtIONet *n = to_virtio_net(vdev);
> struct virtio_net_config netcfg = {};
>
> - memcpy(&netcfg, config, n->config_size);
> + memcpy(&netcfg, config, vdev->config_len);
>
> if (!(n->vdev.guest_features >> VIRTIO_NET_F_CTRL_MAC_ADDR & 1) &&
> memcmp(netcfg.mac, n->mac, ETH_ALEN)) {
> @@ -1316,7 +1315,6 @@ VirtIODevice *virtio_net_init(DeviceState *dev, NICConf
> *conf,
> n = (VirtIONet *)virtio_common_init("virtio-net", VIRTIO_ID_NET,
> config_size, sizeof(VirtIONet));
>
> - n->config_size = config_size;
> n->vdev.get_config = virtio_net_get_config;
> n->vdev.set_config = virtio_net_set_config;
> n->vdev.get_features = virtio_net_get_features;
> --
> 1.7.11.7
- [Qemu-devel] [PATCH 0/8] virtio: set config size using host features, Jesse Larrew, 2013/02/18
- [Qemu-devel] [PATCH 1/8] virtio-net: replace redundant config_size field with config_len, Jesse Larrew, 2013/02/18
- Re: [Qemu-devel] [PATCH 1/8] virtio-net: replace redundant config_size field with config_len,
Anthony Liguori <=
- [Qemu-devel] [PATCH 8/8] virtio-blk: fill in the feature table, Jesse Larrew, 2013/02/18
- [Qemu-devel] [PATCH 6/8] virtio-serial: fill in the feature table, Jesse Larrew, 2013/02/18
- [Qemu-devel] [PATCH 7/8] virtio-scsi: fill in table of feature sizes, Jesse Larrew, 2013/02/18
- [Qemu-devel] [PATCH 2/8] virtio: put struct VirtIOFeature in a header, Jesse Larrew, 2013/02/18
- [Qemu-devel] [PATCH 4/8] virtio: set config size using host features, Jesse Larrew, 2013/02/18
- [Qemu-devel] [PATCH 5/8] virtio-balloon: fill in the table of feature_sizes, Jesse Larrew, 2013/02/18
- [Qemu-devel] [PATCH 3/8] virtio: pass host features to driver init functions, Jesse Larrew, 2013/02/18
- Re: [Qemu-devel] [PATCH 0/8] virtio: set config size using host features, Anthony Liguori, 2013/02/19