diff options
| author | Dr. David Alan Gilbert <linux@treblig.org> | 2025-05-05 22:02:26 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2025-05-06 14:30:13 -0300 |
| commit | e56b4eab9cde7db525bf8dc57b489d157d5a201e (patch) | |
| tree | 8b632ec31a26213771b3a04c3be6bfaad13d7266 | |
| parent | 7ccc2a0646ecbf2f8676b7ee0dc4aaccaa2e5ce1 (diff) | |
RDMA/siw: Remove unused siw_mem_add
siw_mem_add() was added in 2019 by commit 2251334dcac9 ("rdma/siw:
application buffer management") but has remained unused.
Remove it.
Link: https://patch.msgid.link/r/20250505210226.88994-1-linux@treblig.org
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
| -rw-r--r-- | drivers/infiniband/sw/siw/siw_mem.c | 24 | ||||
| -rw-r--r-- | drivers/infiniband/sw/siw/siw_mem.h | 1 |
2 files changed, 0 insertions, 25 deletions
diff --git a/drivers/infiniband/sw/siw/siw_mem.c b/drivers/infiniband/sw/siw/siw_mem.c index b17156995595..d5ddeb17bd22 100644 --- a/drivers/infiniband/sw/siw/siw_mem.c +++ b/drivers/infiniband/sw/siw/siw_mem.c @@ -18,30 +18,6 @@ #define SIW_STAG_MAX_INDEX 0x00ffffff /* - * The code avoids special Stag of zero and tries to randomize - * STag values between 1 and SIW_STAG_MAX_INDEX. - */ -int siw_mem_add(struct siw_device *sdev, struct siw_mem *m) -{ - struct xa_limit limit = XA_LIMIT(1, SIW_STAG_MAX_INDEX); - u32 id, next; - - get_random_bytes(&next, 4); - next &= SIW_STAG_MAX_INDEX; - - if (xa_alloc_cyclic(&sdev->mem_xa, &id, m, limit, &next, - GFP_KERNEL) < 0) - return -ENOMEM; - - /* Set the STag index part */ - m->stag = id << 8; - - siw_dbg_mem(m, "new MEM object\n"); - - return 0; -} - -/* * siw_mem_id2obj() * * resolves memory from stag given by id. might be called from: diff --git a/drivers/infiniband/sw/siw/siw_mem.h b/drivers/infiniband/sw/siw/siw_mem.h index e74cfcd6dbc1..8e769d30e2ac 100644 --- a/drivers/infiniband/sw/siw/siw_mem.h +++ b/drivers/infiniband/sw/siw/siw_mem.h @@ -12,7 +12,6 @@ void siw_umem_release(struct siw_umem *umem); struct siw_pbl *siw_pbl_alloc(u32 num_buf); dma_addr_t siw_pbl_get_buffer(struct siw_pbl *pbl, u64 off, int *len, int *idx); struct siw_mem *siw_mem_id2obj(struct siw_device *sdev, int stag_index); -int siw_mem_add(struct siw_device *sdev, struct siw_mem *m); int siw_invalidate_stag(struct ib_pd *pd, u32 stag); int siw_check_mem(struct ib_pd *pd, struct siw_mem *mem, u64 addr, enum ib_access_flags perms, int len); |