linux-kernel - Re: [PATCH for-next v8 0/6] On-Demand Paging on SoftRoCE

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Message-ID: <20241017192759.GC948948@ziepe.ca>
Date: Thu, 17 Oct 2024 16:27:59 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Daisuke Matsuda <matsuda-daisuke@...itsu.com>
Cc: linux-rdma@...r.kernel.org, leon@...nel.org, zyjzyj2000@...il.com,
	linux-kernel@...r.kernel.org, rpearsonhpe@...il.com,
	lizhijian@...itsu.com
Subject: Re: [PATCH for-next v8 0/6] On-Demand Paging on SoftRoCE

On Wed, Oct 09, 2024 at 10:58:57AM +0900, Daisuke Matsuda wrote:
> This patch series implements the On-Demand Paging feature on SoftRoCE(rxe)
> driver, which has been available only in mlx5 driver[1] so far.
> 
> This series has been blocked because of the hang issue of srp 002 test[2],
> which was believed to be caused after applying the commit 9b4b7c1f9f54
> ("RDMA/rxe: Add workqueue support for rxe tasks"). My patches are dependent
> on the commit because the ODP feature requires sleeping in kernel space,
> and it is impossible with the former tasklet implementation.
> 
> According to the original reporter[3], the hang issue is already gone in
> v6.10. Additionally, tasklet is marked deprecated[4]. I think the rxe
> driver is ready to accept this series since there is no longer any reason
> to consider reverting back to the old tasklet.

Okay, and it seems we are just ignoring the rxe bugs these days, so
why not? Lets look at it

Jason