Re: [PATCH vhost 01/23] vdpa/mlx5: Clarify meaning thorough function rename
From: Eugenio Perez Martin <eperezma@redhat.com>
Date: 2024-06-19 10:38:33
Also in:
linux-rdma, lkml, virtualization
On Mon, Jun 17, 2024 at 5:08 PM Dragos Tatulea [off-list ref] wrote:
setup_driver()/teardown_driver() are a bit vague. These functions are used for virtqueue resources. Same for alloc_resources()/teardown_resources(): they represent fixed resources that are meant to exist during the device lifetime. Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com> Reviewed-by: Cosmin Ratiu <redacted>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
quoted hunk ↗ jump to hunk
--- drivers/vdpa/mlx5/net/mlx5_vnet.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-)diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index ecfc16151d61..3422da0e344b 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c@@ -144,10 +144,10 @@ static bool is_index_valid(struct mlx5_vdpa_dev *mvdev, u16 idx) return idx <= mvdev->max_idx; } -static void free_resources(struct mlx5_vdpa_net *ndev); +static void free_fixed_resources(struct mlx5_vdpa_net *ndev); static void init_mvqs(struct mlx5_vdpa_net *ndev); -static int setup_driver(struct mlx5_vdpa_dev *mvdev); -static void teardown_driver(struct mlx5_vdpa_net *ndev); +static int setup_vq_resources(struct mlx5_vdpa_dev *mvdev); +static void teardown_vq_resources(struct mlx5_vdpa_net *ndev); static bool mlx5_vdpa_debug;@@ -2848,7 +2848,7 @@ static int mlx5_vdpa_change_map(struct mlx5_vdpa_dev *mvdev, if (err) return err; - teardown_driver(ndev); + teardown_vq_resources(ndev); } mlx5_vdpa_update_mr(mvdev, new_mr, asid);@@ -2862,7 +2862,7 @@ static int mlx5_vdpa_change_map(struct mlx5_vdpa_dev *mvdev, if (teardown) { restore_channels_info(ndev); - err = setup_driver(mvdev); + err = setup_vq_resources(mvdev); if (err) return err; }@@ -2873,7 +2873,7 @@ static int mlx5_vdpa_change_map(struct mlx5_vdpa_dev *mvdev, } /* reslock must be held for this function */ -static int setup_driver(struct mlx5_vdpa_dev *mvdev) +static int setup_vq_resources(struct mlx5_vdpa_dev *mvdev) { struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); int err;@@ -2931,7 +2931,7 @@ static int setup_driver(struct mlx5_vdpa_dev *mvdev) } /* reslock must be held for this function */ -static void teardown_driver(struct mlx5_vdpa_net *ndev) +static void teardown_vq_resources(struct mlx5_vdpa_net *ndev) { WARN_ON(!rwsem_is_locked(&ndev->reslock));@@ -2997,7 +2997,7 @@ static void mlx5_vdpa_set_status(struct vdpa_device *vdev, u8 status) goto err_setup; } register_link_notifier(ndev); - err = setup_driver(mvdev); + err = setup_vq_resources(mvdev); if (err) { mlx5_vdpa_warn(mvdev, "failed to setup driver\n"); goto err_driver;@@ -3040,7 +3040,7 @@ static int mlx5_vdpa_compat_reset(struct vdpa_device *vdev, u32 flags) down_write(&ndev->reslock); unregister_link_notifier(ndev); - teardown_driver(ndev); + teardown_vq_resources(ndev); clear_vqs_ready(ndev); if (flags & VDPA_RESET_F_CLEAN_MAP) mlx5_vdpa_destroy_mr_resources(&ndev->mvdev);@@ -3197,7 +3197,7 @@ static void mlx5_vdpa_free(struct vdpa_device *vdev) ndev = to_mlx5_vdpa_ndev(mvdev); - free_resources(ndev); + free_fixed_resources(ndev); mlx5_vdpa_destroy_mr_resources(mvdev); if (!is_zero_ether_addr(ndev->config.mac)) { pfmdev = pci_get_drvdata(pci_physfn(mvdev->mdev->pdev));@@ -3467,7 +3467,7 @@ static int query_mtu(struct mlx5_core_dev *mdev, u16 *mtu) return 0; } -static int alloc_resources(struct mlx5_vdpa_net *ndev) +static int alloc_fixed_resources(struct mlx5_vdpa_net *ndev) { struct mlx5_vdpa_net_resources *res = &ndev->res; int err;@@ -3494,7 +3494,7 @@ static int alloc_resources(struct mlx5_vdpa_net *ndev) return err; } -static void free_resources(struct mlx5_vdpa_net *ndev) +static void free_fixed_resources(struct mlx5_vdpa_net *ndev) { struct mlx5_vdpa_net_resources *res = &ndev->res;@@ -3735,7 +3735,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name, goto err_res; } - err = alloc_resources(ndev); + err = alloc_fixed_resources(ndev); if (err) goto err_mr;@@ -3758,7 +3758,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name, err_reg: destroy_workqueue(mvdev->wq); err_res2: - free_resources(ndev); + free_fixed_resources(ndev); err_mr: mlx5_vdpa_destroy_mr_resources(mvdev); err_res: --2.45.1