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| author | Leon Romanovsky <leonro@mellanox.com> | 2019-02-12 19:39:15 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-02-16 05:39:15 +0100 |
| commit | cfe876d8e6b0491170d44c8040c518b121957104 (patch) | |
| tree | e0a5226383cffd0f234b33fcb39baee5f872b6b0 /drivers/infiniband/hw/cxgb4/provider.c | |
| parent | RDMA/nes: Remove useless usecnt variable and redundant memset (diff) | |
| download | linux-cfe876d8e6b0491170d44c8040c518b121957104.tar.xz linux-cfe876d8e6b0491170d44c8040c518b121957104.zip | |
RDMA/cxgb4: Remove kref accounting for sync operation
Ucontext allocation and release aren't async events and don't need kref
accounting. The common layer of RDMA subsystem ensures that dealloc
ucontext will be called after all other objects are released.
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Tested-by: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/provider.c')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/provider.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index 680b5e98491d..81fcffb597ab 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -58,28 +58,19 @@ static int fastreg_support = 1; module_param(fastreg_support, int, 0644); MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=1)"); -void _c4iw_free_ucontext(struct kref *kref) +static int c4iw_dealloc_ucontext(struct ib_ucontext *context) { - struct c4iw_ucontext *ucontext; + struct c4iw_ucontext *ucontext = to_c4iw_ucontext(context); struct c4iw_dev *rhp; struct c4iw_mm_entry *mm, *tmp; - ucontext = container_of(kref, struct c4iw_ucontext, kref); + pr_debug("context %p\n", context); rhp = to_c4iw_dev(ucontext->ibucontext.device); - pr_debug("ucontext %p\n", ucontext); list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry) kfree(mm); c4iw_release_dev_ucontext(&rhp->rdev, &ucontext->uctx); kfree(ucontext); -} - -static int c4iw_dealloc_ucontext(struct ib_ucontext *context) -{ - struct c4iw_ucontext *ucontext = to_c4iw_ucontext(context); - - pr_debug("context %p\n", context); - c4iw_put_ucontext(ucontext); return 0; } @@ -102,7 +93,6 @@ static struct ib_ucontext *c4iw_alloc_ucontext(struct ib_device *ibdev, c4iw_init_dev_ucontext(&rhp->rdev, &context->uctx); INIT_LIST_HEAD(&context->mmaps); spin_lock_init(&context->mmap_lock); - kref_init(&context->kref); if (udata->outlen < sizeof(uresp) - sizeof(uresp.reserved)) { pr_err_once("Warning - downlevel libcxgb4 (non-fatal), device status page disabled\n"); |