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Revert "IB/mlx5: Fix long EEH recover time with NVMe offloads"

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Longer term testing shows this patch didn't play well with MR cache and
caused to call traces during remove_mkeys().

This reverts commit bb7e22a8ab.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky 2018-12-26 15:22:12 +02:00 committed by Jason Gunthorpe
parent 7422edce73
commit ccffa54548
1 changed files with 3 additions and 16 deletions
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19
drivers/infiniband/hw/mlx5/mr.c
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@ -73,8 +73,7 @@ static int destroy_mkey(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
/* Wait until all page fault handlers using the mr complete. */
if (mr->umem && mr->umem->is_odp)
synchronize_srcu(&dev->mr_srcu);
synchronize_srcu(&dev->mr_srcu);
#endif
return err;
@ -238,9 +237,6 @@ static void remove_keys(struct mlx5_ib_dev *dev, int c, int num)
{
struct mlx5_mr_cache *cache = &dev->cache;
struct mlx5_cache_ent *ent = &cache->ent[c];
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
bool odp_mkey_exist = false;
#endif
struct mlx5_ib_mr *tmp_mr;
struct mlx5_ib_mr *mr;
LIST_HEAD(del_list);
@ -253,10 +249,6 @@ static void remove_keys(struct mlx5_ib_dev *dev, int c, int num)
break;
}
mr = list_first_entry(&ent->head, struct mlx5_ib_mr, list);
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
if (mr->umem && mr->umem->is_odp)
odp_mkey_exist = true;
#endif
list_move(&mr->list, &del_list);
ent->cur--;
ent->size--;
@ -265,8 +257,7 @@ static void remove_keys(struct mlx5_ib_dev *dev, int c, int num)
}
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
if (odp_mkey_exist)
synchronize_srcu(&dev->mr_srcu);
synchronize_srcu(&dev->mr_srcu);
#endif
list_for_each_entry_safe(mr, tmp_mr, &del_list, list) {
@ -581,7 +572,6 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c)
{
struct mlx5_mr_cache *cache = &dev->cache;
struct mlx5_cache_ent *ent = &cache->ent[c];
bool odp_mkey_exist = false;
struct mlx5_ib_mr *tmp_mr;
struct mlx5_ib_mr *mr;
LIST_HEAD(del_list);
@ -594,8 +584,6 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c)
break;
}
mr = list_first_entry(&ent->head, struct mlx5_ib_mr, list);
if (mr->umem && mr->umem->is_odp)
odp_mkey_exist = true;
list_move(&mr->list, &del_list);
ent->cur--;
ent->size--;
@ -604,8 +592,7 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c)
}
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
if (odp_mkey_exist)
synchronize_srcu(&dev->mr_srcu);
synchronize_srcu(&dev->mr_srcu);
#endif
list_for_each_entry_safe(mr, tmp_mr, &del_list, list) {