Re: [PATCH] RDMA/rxe: Convert spin_{lock_bh,unlock_bh} to spin_{lock_irqsave,unlock_irqrestore}

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On Wed, May 10, 2023 at 11:50:56AM +0800, Guoqing Jiang wrote:
> We need to call spin_lock_irqsave/spin_unlock_irqrestore for state_lock
> in rxe, otherwsie the callchain
> 
> ib_post_send_mad
> 	-> spin_lock_irqsave
> 	-> ib_post_send -> rxe_post_send
> 				-> spin_lock_bh
> 				-> spin_unlock_bh
> 	-> spin_unlock_irqrestore
> 
> caused below traces during run block nvmeof-mp/001 test.
..
 
> Fixes: f605f26ea196 ("RDMA/rxe: Protect QP state with qp->state_lock")
> Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxx>
> Reviewed-by: Bob Pearson <rpearsonhpe@xxxxxxxxx>
> ---
>  drivers/infiniband/sw/rxe/rxe_comp.c  | 26 +++++++++++--------
>  drivers/infiniband/sw/rxe/rxe_net.c   |  7 +++---
>  drivers/infiniband/sw/rxe/rxe_qp.c    | 36 +++++++++++++++++----------
>  drivers/infiniband/sw/rxe/rxe_recv.c  |  9 ++++---
>  drivers/infiniband/sw/rxe/rxe_req.c   | 30 ++++++++++++----------
>  drivers/infiniband/sw/rxe/rxe_resp.c  | 14 ++++++-----
>  drivers/infiniband/sw/rxe/rxe_verbs.c | 25 ++++++++++---------
>  7 files changed, 86 insertions(+), 61 deletions(-)

Applied to for-rc, thanks

Jason



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