On Mon, May 15, 2023 at 03:10:57PM -0500, Bob Pearson wrote:
> A recent patch can cause a double spin_unlock_bh() in rxe_qp_to_attr()
> at line 715 in rxe_qp.c. This patch corrects that behavior.
>
> A newer patch from Guoqing Jiang recommends replacing all spin_lock
> calls for qp->state_lock to spin_(un)lock_irqsave(restore)() since
> apparently the blktests test suite can call the kernel verbs APIs
> while in hard interrupt state. This patch needs to be applied first
> and Guoqing's patch modified to accommodate this small change.
>
> Fixes: f605f26ea196 ("RDMA/rxe: Protect QP state with qp->state_lock")
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Closes: https://lore.kernel.org/linux-rdma/27773078-40ce-414f-8b97-781954da9f25@kili.mountain/
> Signed-off-by: Bob Pearson <rpearsonhpe@xxxxxxxxx>
> ---
> drivers/infiniband/sw/rxe/rxe_qp.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Applied to for-rc, thanks
Jason
