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From: "matsuda-daisuke@fujitsu.com" <matsuda-daisuke@fujitsu.com>
To: 'Bob Pearson' <rpearsonhpe@gmail.com>,
	'Jason Gunthorpe' <jgg@nvidia.com>
Cc: "zyjzyj2000@gmail.com" <zyjzyj2000@gmail.com>,
	"lizhijian@fujitsu.com" <lizhijian@fujitsu.com>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>
Subject: RE: [PATCH for-next 00/13] Implement the xrc transport
Date: Mon, 17 Oct 2022 06:59:01 +0000	[thread overview]
Message-ID: <TYCPR01MB8455FD68BFCF8F8495EF0940E5299@TYCPR01MB8455.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <8a5dc704-5f10-fa59-6db8-f4e684121233@gmail.com>

On Fri, Oct 14, 2022 2:18 AM Bob Pearson wrote:
> On 10/12/22 02:41, matsuda-daisuke@fujitsu.com wrote:
> > Hi Bob,
> >
> > I am ready and willing to review your workqueue implementation.
> > Could you inform me of the current status of the patch series?
> > Are you having trouble rebasing it?
> >
> > Daisuke
> >
> >>>> The ODP patch series is the one I posted for rxe this month:
> >>>>   [RFC PATCH 0/7] RDMA/rxe: On-Demand Paging on SoftRoCE
> >>>>   https://lore.kernel.org/lkml/cover.1662461897.git.matsuda-daisuke@fujitsu.com/
> >>>>   https://patchwork.kernel.org/project/linux-rdma/list/?series=674699&state=%2A&archive=both
> >>>>
> >>>> We had an argument about the way to use workqueues instead of tasklets.
> >>>> Some prefer to get rid of tasklets, but others prefer finding a way to switch
> >>>> between the bottom halves for performance reasons. I am currently taking
> >>>> some data to continue the discussion while waiting for Bob to post their(HPE's)
> >>>> implementation that enables the switching. I think I can resend the ODP patches
> >>>> without an RFC tag once we reach an agreement on this point.
> >>>
> >>> I tried to get Ian Ziemba, who wrote the patch series, to send it in but he is very busy
> >>> and finally after a long while he asked me to do that. I have to rebase it from
> >>> an older kernel to head of tree. I hope to have that done in a day or two.
> >>>
> >>> Bob
> >>
> >> Thank you for the update.
> >> I am glad to hear your work is in progress just now.
> >> I am looking forward to seeing your work!
> >>
> >> Daisuke
> >
> 
> I know. Thanks. It's ready to send in. I am testing the performance and was surprised that the tasklet performance has
> gotten better in 6.0. Not sure why. I'll send it today.
> 
> Bob

Thank you for the reply.
The performance change sounds interesting.

BTW, would you please send it in as soon as possible?
I would like to see if I can easily rebase my ODP patches on it,
and also I will start testing and reviewing your change so that
it will be merged safely and quickly.

Daisuke


  reply	other threads:[~2022-10-17  6:59 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-17  3:10 [PATCH for-next 00/13] Implement the xrc transport Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 01/13] RDMA/rxe: Replace START->FIRST, END->LAST Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 02/13] RDMA/rxe: Move next_opcode() to rxe_opcode.c Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 03/13] RDMA: Add xrc opcodes to ib_pack.h Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 04/13] RDMA/rxe: Extend opcodes and headers to support xrc Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 05/13] RDMA/rxe: Add xrc opcodes to next_opcode() Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 06/13] RDMA/rxe: Implement open_xrcd and close_xrcd Bob Pearson
2022-09-17  3:10 ` [PATCH for-next 07/13] RDMA/rxe: Extend srq verbs to support xrcd Bob Pearson
2022-09-26 23:11   ` Jason Gunthorpe
2022-09-17  3:10 ` [PATCH for-next 08/13] RDMA/rxe: Extend rxe_qp.c to support xrc qps Bob Pearson
2022-09-17  3:11 ` [PATCH for-next 09/13] RDMA/rxe: Extend rxe_recv.c to support xrc Bob Pearson
2022-09-17  3:11 ` [PATCH for-next 10/13] RDMA/rxe: Extend rxe_comp.c to support xrc qps Bob Pearson
2022-09-21 20:45   ` kernel test robot
2022-09-17  3:11 ` [PATCH for-next 11/13] RDMA/rxe: Extend rxe_req.c " Bob Pearson
2022-09-17  3:11 ` [PATCH for-next 12/13] RDMA/rxe: Extend rxe_net.c " Bob Pearson
2022-09-17  3:11 ` [PATCH for-next 13/13] RDMA/rxe: Extend rxe_resp.c " Bob Pearson
2022-09-26 23:13 ` [PATCH for-next 00/13] Implement the xrc transport Jason Gunthorpe
2022-09-27  1:38   ` matsuda-daisuke
2022-09-29 15:58     ` Bob Pearson
2022-09-29 23:52       ` matsuda-daisuke
2022-10-12  7:41         ` matsuda-daisuke
2022-10-13 17:17           ` Bob Pearson
2022-10-17  6:59             ` matsuda-daisuke [this message]
2022-09-29 15:59   ` Bob Pearson
  -- strict thread matches above, loose matches on Subject: below --
2022-09-17  3:07 Bob Pearson

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