There are several race conditions discovered in the rdma_rxe driver.
These patches correct them. They mostly relate to races between
normal operations and destroying objects.
This patch series applies cleanly to current for-next.
commit 71ee1f127543 ("Merge brank 'mlx5_mkey' into rdma.git for-next")
Signed-off-by: Bob Pearson <rpearsonhpe@xxxxxxxxx>
---
v3
Changed rxe_alloc to use GFP_KERNEL
Addressed other comments by Jason Gunthorp
Merged the previous 06/10 and 07/10 patches into one since they overlapped
Added some minor cleanups as 10/10
v2
Rebased to current for-next.
Added 4 additional patches
Bob Pearson (10):
RDMA/rxe: Make rxe_alloc() take pool lock
RDMA/rxe: Copy setup parameters into rxe_pool
RDMA/rxe: Save object pointer in pool element
RDMA/rxe: Combine rxe_add_index with rxe_alloc
RDMA/rxe: Combine rxe_add_key with rxe_alloc
RDMA/rxe: Separate out last rxe_drop_ref
RDMA/rxe: Rewrite rxe_mcast.c
RDMA/rxe: Fix ref error in rxe_av.c
RDMA/rxe: Replace mr by rkey in responder resources
RDMA/rxe: Minor cleanup in rxe_pool.c
drivers/infiniband/sw/rxe/rxe.c | 8 -
drivers/infiniband/sw/rxe/rxe.h | 1 +
drivers/infiniband/sw/rxe/rxe_av.c | 24 +-
drivers/infiniband/sw/rxe/rxe_cq.c | 9 +-
drivers/infiniband/sw/rxe/rxe_loc.h | 19 +-
drivers/infiniband/sw/rxe/rxe_mcast.c | 210 ++++++++-----
drivers/infiniband/sw/rxe/rxe_mr.c | 11 +-
drivers/infiniband/sw/rxe/rxe_mw.c | 28 +-
drivers/infiniband/sw/rxe/rxe_net.c | 39 +--
drivers/infiniband/sw/rxe/rxe_pool.c | 408 +++++++++++++++++---------
drivers/infiniband/sw/rxe/rxe_pool.h | 84 +++---
drivers/infiniband/sw/rxe/rxe_qp.c | 10 +-
drivers/infiniband/sw/rxe/rxe_req.c | 55 ++--
drivers/infiniband/sw/rxe/rxe_resp.c | 125 +++++---
drivers/infiniband/sw/rxe/rxe_srq.c | 8 +
drivers/infiniband/sw/rxe/rxe_verbs.c | 67 ++---
drivers/infiniband/sw/rxe/rxe_verbs.h | 4 +-
17 files changed, 653 insertions(+), 457 deletions(-)
--
2.30.2
