From: Jason Gunthorpe <jgg@nvidia.com>
To: Bob Pearson <rpearsonhpe@gmail.com>
Cc: "linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>
Subject: Re: Bug report in reg_user_mr in exe
Date: Tue, 13 Jun 2023 13:52:09 -0300 [thread overview]
Message-ID: <ZIieuVnhnGP8RGQw@nvidia.com> (raw)
In-Reply-To: <80328b20-9c5d-afe8-0ff4-a7eb05c8fb4f@gmail.com>
On Tue, Jun 13, 2023 at 11:26:55AM -0500, Bob Pearson wrote:
> Jason,
>
> Recently the code in rxe_reg_user_mr was changed to check if the driver supported the
> access flags. Since the rxe driver does nothing about relaxed ordering. I assumed that the
> driver didn't support that option but it turns out that this breaks the perf tests which
> request relaxed ordering by default.
Sounds like rxe is checking the flags wrong, there is a set of
optional access flags that should be ignored by the driver.
Jason
next prev parent reply other threads:[~2023-06-13 16:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-13 16:26 Bug report in reg_user_mr in exe Bob Pearson
2023-06-13 16:52 ` Jason Gunthorpe [this message]
2023-06-13 16:54 ` Bob Pearson
2023-06-13 16:55 ` Jason Gunthorpe
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