On Tue, May 24, 2022 at 01:22:07PM -0500, Bob Pearson wrote: > On 5/24/22 06:57, Jason Gunthorpe wrote: > > On Tue, May 24, 2022 at 03:53:30AM +0000, yangx.jy@xxxxxxxxxxx wrote: > >> On 2022/5/10 2:23, Jason Gunthorpe wrote: > >>> On Wed, Apr 20, 2022 at 08:40:33PM -0500, Bob Pearson wrote: > >>> > >>>> Bob Pearson (10): > >>>> RDMA/rxe: Remove IB_SRQ_INIT_MASK > >>>> RDMA/rxe: Add rxe_srq_cleanup() > >>>> RDMA/rxe: Check rxe_get() return value > >>>> RDMA/rxe: Move qp cleanup code to rxe_qp_do_cleanup() > >>>> RDMA/rxe: Move mr cleanup code to rxe_mr_cleanup() > >>>> RDMA/rxe: Move mw cleanup code to rxe_mw_cleanup() > >>>> RDMA/rxe: Enforce IBA C11-17 > >>> > >>> I took these patches with the small edits I noted > >>> > >>>> RDMA/rxe: Stop lookup of partially built objects > >>>> RDMA/rxe: Convert read side locking to rcu > >>>> RDMA/rxe: Cleanup rxe_pool.c > >>> > >>> It seems OK, but we need to fix the AH problem at least in the destroy > >>> path first - lets try to fix it in alloc as well? > >> Hi Jason, Bob > >> > >> Could you tell me what the AH problem is? Thanks a lot. > > > > rxe doesn't implement RDMA_CREATE_AH_SLEEPABLE / > > RDMA_DESTROY_AH_SLEEPABLE > > > > Jason > > First I have heard of those. Should we implement them? Yes, it is the source of all these AH lockdep bugs. Jason