linux-kernel - Re: [PATCH v2 0/2] Preclude IOCCSZ/IORCSZ validation for admin controller connect

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Message-ID: <aMs5NJdx7I3WZ0rg@kbusch-mbp>
Date: Wed, 17 Sep 2025 16:41:56 -0600
From: Keith Busch <kbusch@...nel.org>
To: Kamaljit Singh <kamaljit.singh@...nsource.wdc.com>
Cc: axboe@...nel.dk, hch@....de, sagi@...mberg.me,
	linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
	cassel@...nel.org, dlemoal@...nel.org, kamaljit.singh1@....com
Subject: Re: [PATCH v2 0/2] Preclude IOCCSZ/IORCSZ validation for admin
 controller connect

On Fri, Sep 05, 2025 at 04:25:48PM -0700, Kamaljit Singh wrote:
> During negative testing it was observed that when ioccsz and/or iorcsz 
> were cleared to zero on a Target, a new connection to an administrative 
> controller failed to establish, due to driver validation of those fields. 
> Since an administrative controller does not support I/O queues, these 
> checks should be excluded for such a controller.

Thanks, applied to nvme-6.18.