From: Leon Romanovsky <leon@kernel.org>
To: Bob Pearson <rpearsonhpe@gmail.com>
Cc: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>,
linux-rdma@vger.kernel.org, jgg@nvidia.com, zyjzyj2000@gmail.com,
nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org,
yangx.jy@fujitsu.com, lizhijian@fujitsu.com, y-goto@fujitsu.com
Subject: Re: [PATCH for-next v3 1/7] RDMA/rxe: Convert triple tasklets to use workqueue
Date: Thu, 29 Dec 2022 09:02:45 +0200 [thread overview]
Message-ID: <Y607lVbzs9PTd0m+@unreal> (raw)
In-Reply-To: <53a2fca7-d98a-acef-8b18-d36a5a16d176@gmail.com>
On Wed, Dec 28, 2022 at 10:56:11AM -0600, Bob Pearson wrote:
> On 12/23/22 00:51, Daisuke Matsuda wrote:
> > In order to implement On-Demand Paging on the rxe driver, triple tasklets
> > (requester, responder, and completer) must be allowed to sleep so that they
> > can trigger page fault when pages being accessed are not present.
> >
> > This patch replaces the tasklets with a workqueue, but still allows direct-
> > call of works from softirq context if it is obvious that MRs are not going
> > to be accessed and there is no work being processed in the workqueue.
>
> There are already at least two patch sets that do this waiting to get upstream
I don't see any unhandled RXE series, except of this one patch [1],
which is one out larger series.
[1] https://patchwork.kernel.org/project/linux-rdma/patch/20221029031331.64518-1-rpearsonhpe@gmail.com/
> Bob
next prev parent reply other threads:[~2022-12-29 7:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-23 6:51 [PATCH for-next v3 0/7] On-Demand Paging on SoftRoCE Daisuke Matsuda
2022-12-23 6:51 ` [PATCH for-next v3 1/7] RDMA/rxe: Convert triple tasklets to use workqueue Daisuke Matsuda
2022-12-24 2:14 ` Hillf Danton
2022-12-28 16:56 ` Bob Pearson
2022-12-29 1:23 ` Zhu Yanjun
2022-12-29 7:02 ` Leon Romanovsky [this message]
2023-01-06 2:26 ` Daisuke Matsuda (Fujitsu)
2022-12-23 6:51 ` [PATCH for-next v3 2/7] RDMA/rxe: Always schedule works before accessing user MRs Daisuke Matsuda
2022-12-23 6:51 ` [PATCH for-next v3 3/7] RDMA/rxe: Cleanup code for responder Atomic operations Daisuke Matsuda
2023-01-16 18:21 ` Jason Gunthorpe
2022-12-23 6:51 ` [PATCH for-next v3 4/7] RDMA/rxe: Add page invalidation support Daisuke Matsuda
2023-01-16 18:23 ` Jason Gunthorpe
2022-12-23 6:51 ` [PATCH for-next v3 5/7] RDMA/rxe: Allow registering MRs for On-Demand Paging Daisuke Matsuda
2022-12-23 6:51 ` [PATCH for-next v3 6/7] RDMA/rxe: Add support for Send/Recv/Write/Read operations with ODP Daisuke Matsuda
2022-12-23 6:51 ` [PATCH for-next v3 7/7] RDMA/rxe: Add support for the traditional Atomic " Daisuke Matsuda
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