From: Jason Gunthorpe <jgg@nvidia.com>
To: Bob Pearson <rpearsonhpe@gmail.com>
Cc: zyjzyj2000@gmail.com, linux-rdma@vger.kernel.org
Subject: Re: [RFC PATCH v9 00/26]
Date: Fri, 28 Jan 2022 14:42:00 -0400 [thread overview]
Message-ID: <20220128184200.GH1786498@nvidia.com> (raw)
In-Reply-To: <20220127213755.31697-1-rpearsonhpe@gmail.com>
On Thu, Jan 27, 2022 at 03:37:29PM -0600, Bob Pearson wrote:
> There are several race conditions discovered in the current rdma_rxe
>
> Bob Pearson (26):
> RDMA/rxe: Move rxe_mcast_add/delete to rxe_mcast.c
> RDMA/rxe: Move rxe_mcast_attach/detach to rxe_mcast.c
> RDMA/rxe: Rename rxe_mc_grp and rxe_mc_elem
> RDMA/rxe: Enforce IBA o10-2.2.3
> RDMA/rxe: Remove rxe_drop_all_macst_groups
> RDMA/rxe: Remove qp->grp_lock and qp->grp_list
I took these patches to for-next
> RDMA/rxe: Use kzmalloc/kfree for mca
> RDMA/rxe: Rename grp to mcg and mce to mca
> RDMA/rxe: Introduce RXECB(skb)
> RDMA/rxe: Split rxe_rcv_mcast_pkt into two phases
> RDMA/rxe: Replace locks by rxe->mcg_lock
> RDMA/rxe: Replace pool key by rxe->mcg_tree
> RDMA/rxe: Remove key'ed object support
> RDMA/rxe: Remove mcg from rxe pools
> RDMA/rxe: Add code to cleanup mcast memory
> RDMA/rxe: Add comments to rxe_mcast.c
> RDMA/rxe: Separate code into subroutines
I think you should try to get up to here done in one series and
merged, it looked OK
> RDMA/rxe: Convert mca read locking to RCU
Not sure this can ever work..
> RDMA/rxe: Reverse the sense of RXE_POOL_NO_ALLOC
> RDMA/rxe: Delete _locked() APIs for pool objects
> RDMA/rxe: Replace obj by elem in declaration
> RDMA/rxe: Replace red-black trees by xarrays
> RDMA/rxe: Change pool locking to RCU
> RDMA/rxe: Add wait_for_completion to pool objects
> RDMA/rxe: Fix ref error in rxe_av.c
> RDMA/rxe: Replace mr by rkey in responder resources
These also seem reasonable, didn't follow why we needed the RCU patch?
Jason
next prev parent reply other threads:[~2022-01-28 18:42 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-27 21:37 [RFC PATCH v9 00/26] Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 01/26] RDMA/rxe: Move rxe_mcast_add/delete to rxe_mcast.c Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 02/26] RDMA/rxe: Move rxe_mcast_attach/detach " Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 03/26] RDMA/rxe: Rename rxe_mc_grp and rxe_mc_elem Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 04/26] RDMA/rxe: Enforce IBA o10-2.2.3 Bob Pearson
2022-01-28 12:53 ` Jason Gunthorpe
2022-01-28 16:18 ` Bob Pearson
2022-01-28 16:42 ` Jason Gunthorpe
2022-01-27 21:37 ` [RFC PATCH v9 05/26] RDMA/rxe: Remove rxe_drop_all_macst_groups Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 06/26] RDMA/rxe: Remove qp->grp_lock and qp->grp_list Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 07/26] RDMA/rxe: Use kzmalloc/kfree for mca Bob Pearson
2022-01-28 18:00 ` Jason Gunthorpe
2022-01-27 21:37 ` [RFC PATCH v9 08/26] RDMA/rxe: Rename grp to mcg and mce to mca Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 09/26] RDMA/rxe: Introduce RXECB(skb) Bob Pearson
2022-01-28 18:29 ` Jason Gunthorpe
2022-01-30 17:47 ` Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 10/26] RDMA/rxe: Split rxe_rcv_mcast_pkt into two phases Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 11/26] RDMA/rxe: Replace locks by rxe->mcg_lock Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 12/26] RDMA/rxe: Replace pool key by rxe->mcg_tree Bob Pearson
2022-01-28 18:32 ` Jason Gunthorpe
2022-01-30 23:23 ` Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 13/26] RDMA/rxe: Remove key'ed object support Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 14/26] RDMA/rxe: Remove mcg from rxe pools Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 15/26] RDMA/rxe: Add code to cleanup mcast memory Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 16/26] RDMA/rxe: Add comments to rxe_mcast.c Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 17/26] RDMA/rxe: Separate code into subroutines Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 18/26] RDMA/rxe: Convert mca read locking to RCU Bob Pearson
2022-01-28 18:39 ` Jason Gunthorpe
2022-01-27 21:37 ` [RFC PATCH v9 19/26] RDMA/rxe: Reverse the sense of RXE_POOL_NO_ALLOC Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 20/26] RDMA/rxe: Delete _locked() APIs for pool objects Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 21/26] RDMA/rxe: Replace obj by elem in declaration Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 22/26] RDMA/rxe: Replace red-black trees by xarrays Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 23/26] RDMA/rxe: Change pool locking to RCU Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 24/26] RDMA/rxe: Add wait_for_completion to pool objects Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 25/26] RDMA/rxe: Fix ref error in rxe_av.c Bob Pearson
2022-01-27 21:37 ` [RFC PATCH v9 26/26] RDMA/rxe: Replace mr by rkey in responder resources Bob Pearson
2022-01-28 18:42 ` Jason Gunthorpe [this message]
2022-02-07 19:20 ` [RFC PATCH v9 00/26] Bob Pearson
2022-02-07 19:38 ` Jason Gunthorpe
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