The Linux Kernel Mailing List
 help / color / mirror / Atom feed
From: Keith Busch <kbusch@kernel.org>
To: alistair23@gmail.com
Cc: axboe@kernel.dk, hch@lst.de, sagi@grimberg.me,
	linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
	Alistair Francis <alistair.francis@wdc.com>
Subject: Re: [PATCH] nvme: Use non zero KATO for persistent discovery connections
Date: Mon, 22 Sep 2025 14:26:30 -0600	[thread overview]
Message-ID: <aNGw9mXBcx1-g0ee@kbusch-mbp> (raw)
In-Reply-To: <20250902035211.2953174-1-alistair.francis@wdc.com>

On Tue, Sep 02, 2025 at 01:52:11PM +1000, alistair23@gmail.com wrote:
> From: Alistair Francis <alistair.francis@wdc.com>
> 
> The NVMe Base Specification 2.1 states that:
> 
> """
> A host requests an explicit persistent connection ... by specifying a
> non-zero Keep Alive Timer value in the Connect command.
> """
> 
> As such if we are starting a persistent connection to a discovery
> controller and the KATO is currently 0 we need to update KATO to a non
> zero value to avoid continuous timeouts on the target.

Thanks, applied to nvme-6.18.

      parent reply	other threads:[~2025-09-22 20:26 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-02  3:52 [PATCH] nvme: Use non zero KATO for persistent discovery connections alistair23
2025-09-02  8:56 ` Hannes Reinecke
2025-09-02 10:35 ` Martin George
2025-09-03  0:00   ` Alistair Francis
2025-09-22 17:44 ` Christoph Hellwig
2025-09-22 20:26 ` Keith Busch [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=aNGw9mXBcx1-g0ee@kbusch-mbp \
    --to=kbusch@kernel.org \
    --cc=alistair.francis@wdc.com \
    --cc=alistair23@gmail.com \
    --cc=axboe@kernel.dk \
    --cc=hch@lst.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-nvme@lists.infradead.org \
    --cc=sagi@grimberg.me \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox