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From: Ming Lei <tom.leiming@gmail.com>
To: Yoav Cohen <yoav@nvidia.com>
Cc: Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org, csander@purestorage.com,
	jholzman@nvidia.com, omril@nvidia.com, ofer@nvidia.com
Subject: Re: [PATCH v4 2/2] selftests: ublk: add rq_affinity test
Date: Wed, 28 Oct 2026 09:44:27 -0500	[thread overview]
Message-ID: <auIKS60fS7TSlDWk@fedora-laptop> (raw)
In-Reply-To: <20261028131829.45803-3-yoav@nvidia.com>

On Wed, Oct 28, 2026 at 03:18:29PM +0200, Yoav Cohen wrote:
> Add UBLK_F_SUPPORT_RQ_AFFINITY to kublk's feature table, a
> --rq_affinity option, and a test that writes and verifies data on a
> single-queue loop device with rq_affinity set to 0, 1 and 2.
> 
> kublk pins the queue thread to the first CPU of the hctx, so submit
> from the last CPU in cpu_list. That way rq_affinity=2 always takes the
> remote completion path.
> 
> Signed-off-by: Yoav Cohen <yoav@nvidia.com>

Reviewed-by: Ming Lei <tom.leiming@gmail.com>

Thanks,
Ming

      reply	other threads:[~2026-10-28 14:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-28 13:18 [PATCH v4 0/2] ublk: honor rq_affinity on request completion Yoav Cohen
2026-10-28 13:18 ` [PATCH v4 1/2] " Yoav Cohen
2026-10-28 14:43   ` Ming Lei
2026-10-28 13:18 ` [PATCH v4 2/2] selftests: ublk: add rq_affinity test Yoav Cohen
2026-10-28 14:44   ` Ming Lei [this message]

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