On 5/16/23 19:11, Jason Gunthorpe wrote:
> 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
Thanks
