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From: hch <hch@lst.de>
To: Kamaljit Singh <Kamaljit.Singh1@wdc.com>
Cc: Hannes Reinecke <hare@suse.de>,
	"kbusch@kernel.org" <kbusch@kernel.org>,
	"axboe@kernel.dk" <axboe@kernel.dk>, hch <hch@lst.de>,
	"sagi@grimberg.me" <sagi@grimberg.me>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"cassel@kernel.org" <cassel@kernel.org>,
	"dlemoal@kernel.org" <dlemoal@kernel.org>
Subject: Re: [PATCH v3 1/2] nvme: add capability to connect to an administrative controller
Date: Wed, 23 Jul 2025 08:10:09 +0200	[thread overview]
Message-ID: <20250723061009.GA18943@lst.de> (raw)
In-Reply-To: <BY5PR04MB6849799468BC4F5118343015BC5CA@BY5PR04MB6849.namprd04.prod.outlook.com>

On Tue, Jul 22, 2025 at 05:34:56PM +0000, Kamaljit Singh wrote:
> >One wonders why this is done for admin controllers only; surely
> >discovery controllers also don't support I/O queues, and should
> >therefore have the same setting?
> I agree. That was my patch-3 in v2, which I retracted in v3 based on
> your comment below. Is someone taking that action item to discuss at FMDS?
> I haven't attended it in a while.
> 
> If everyone agrees, I can add patch-3 back in and create v5 or since v4
> patch-1 was accepted, I can issue a standalone patch just for this change.
> Please let me know.

While forcing it won't hurt, we had things working for almost 10 years
by relying on userspace to request zero queues for discovery controllers.
So I don't think it really matters.

  reply	other threads:[~2025-07-23  6:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-18  0:14 [PATCH v3 0/2] Support for Administrative Controllers Kamaljit Singh
2025-07-18  0:14 ` [PATCH v3 1/2] nvme: add capability to connect to an administrative controller Kamaljit Singh
2025-07-18  4:14   ` Damien Le Moal
2025-07-18  8:15   ` Niklas Cassel
2025-07-22  7:06   ` Hannes Reinecke
2025-07-22 17:34     ` Kamaljit Singh
2025-07-23  6:10       ` hch [this message]
2025-07-18  0:14 ` [PATCH v3 2/2] nvme: prevent admin controller from smart log fetch (LID 2) Kamaljit Singh
2025-07-18  4:17   ` Damien Le Moal
2025-07-22  7:07   ` Hannes Reinecke
2025-07-22 20:57     ` Kamaljit Singh

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