From: Keith Busch <kbusch@kernel.org>
To: Chao Shi <coshi036@gmail.com>
Cc: linux-nvme@lists.infradead.org, Christoph Hellwig <hch@lst.de>,
Sagi Grimberg <sagi@grimberg.me>, Jens Axboe <axboe@kernel.dk>,
Tatsuya Sasaki <tatsuya6.sasaki@kioxia.com>,
Maurizio Lombardi <mlombard@arkamax.eu>,
linux-kernel@vger.kernel.org, Sungwoo Kim <iam@sung-woo.kim>,
Dave Tian <daveti@purdue.edu>, Weidong Zhu <weizhu@fiu.edu>
Subject: Re: [PATCH v6] nvme: reject passthrough of driver-managed Set Features
Date: Mon, 10 Aug 2026 17:13:36 -0600 [thread overview]
Message-ID: <anpbIKTNY3SeZxSq@kbusch-mbp> (raw)
In-Reply-To: <20260715155752.3363247-1-coshi036@gmail.com>
On Wed, Jul 15, 2026 at 11:57:52AM -0400, Chao Shi wrote:
> Since commit b58da2d270db ("nvme: update keep alive interval when kato
> is modified"), a Set Features (KATO) passthrough command lets userspace
> start keep-alive on any transport. nvme_keep_alive_work() allocates with
> BLK_MQ_REQ_RESERVED, but nvme_alloc_admin_tag_set() reserves admin tags
> only for fabrics, so on other transports the allocation trips
> WARN_ON_ONCE() in blk_mq_get_tag() and fails:
Thanks, applied to nvme-7.3.
prev parent reply other threads:[~2026-08-10 23:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-15 15:57 [PATCH v6] nvme: reject passthrough of driver-managed Set Features Chao Shi
2026-08-10 23:13 ` 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=anpbIKTNY3SeZxSq@kbusch-mbp \
--to=kbusch@kernel.org \
--cc=axboe@kernel.dk \
--cc=coshi036@gmail.com \
--cc=daveti@purdue.edu \
--cc=hch@lst.de \
--cc=iam@sung-woo.kim \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-nvme@lists.infradead.org \
--cc=mlombard@arkamax.eu \
--cc=sagi@grimberg.me \
--cc=tatsuya6.sasaki@kioxia.com \
--cc=weizhu@fiu.edu \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.