diff options
| author | Björn Töpel <bjorn.topel@intel.com> | 2018-05-22 09:35:03 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-05-22 10:25:06 +0200 |
| commit | d3b42f1422d9c050bf5a2c660c045af2ab5d3e72 (patch) | |
| tree | 12259d05c54986563fb2696dd85b48fc5c94f686 /net | |
| parent | xsk: simplified umem setup (diff) | |
| download | linux-d3b42f1422d9c050bf5a2c660c045af2ab5d3e72.tar.xz linux-d3b42f1422d9c050bf5a2c660c045af2ab5d3e72.zip | |
xsk: convert atomic_t to refcount_t
Introduce refcount_t, in favor of atomic_t.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/xdp/xdp_umem.c | 6 | ||||
| -rw-r--r-- | net/xdp/xdp_umem.h | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c index faa6ffbaf6ab..87998818116f 100644 --- a/net/xdp/xdp_umem.c +++ b/net/xdp/xdp_umem.c @@ -78,7 +78,7 @@ static void xdp_umem_release_deferred(struct work_struct *work) void xdp_get_umem(struct xdp_umem *umem) { - atomic_inc(&umem->users); + refcount_inc(&umem->users); } void xdp_put_umem(struct xdp_umem *umem) @@ -86,7 +86,7 @@ void xdp_put_umem(struct xdp_umem *umem) if (!umem) return; - if (atomic_dec_and_test(&umem->users)) { + if (refcount_dec_and_test(&umem->users)) { INIT_WORK(&umem->work, xdp_umem_release_deferred); schedule_work(&umem->work); } @@ -206,7 +206,7 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) umem->frame_size_log2 = ilog2(frame_size); umem->nfpp_mask = nfpp - 1; umem->nfpplog2 = ilog2(nfpp); - atomic_set(&umem->users, 1); + refcount_set(&umem->users, 1); err = xdp_umem_account_pages(umem); if (err) diff --git a/net/xdp/xdp_umem.h b/net/xdp/xdp_umem.h index 9802287ff19d..0881cf456230 100644 --- a/net/xdp/xdp_umem.h +++ b/net/xdp/xdp_umem.h @@ -27,7 +27,7 @@ struct xdp_umem { struct pid *pid; unsigned long address; size_t size; - atomic_t users; + refcount_t users; struct work_struct work; }; |