Linux-NVME Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: keith.busch@linux.intel.com (Keith Busch)
Subject: [PATCH v3] nvme: add quirk to force medium priority for SQ creation
Date: Tue, 8 May 2018 10:35:39 -0600	[thread overview]
Message-ID: <20180508163539.GB31027@localhost.localdomain> (raw)
In-Reply-To: <672a97be-7fbf-b21e-9f75-2c18e64ccf8f@kernel.dk>

On Tue, May 08, 2018@10:25:15AM -0600, Jens Axboe wrote:
> Some P3100 drives have a bug where they think WRRU (weighted round
> robin) is always enabled, even though the host doesn't set it. Since
> they think it's enabled, they also look at the submission queue
> creation priority. We used to set that to MEDIUM by default,
> but that was removed in commit 81c1cd98351b. This causes various
> issues on that drive. Add a quick to still set MEDIUM priority
> for that controller.
> 
> Fixes: 81c1cd98351b ("nvme/pci: Don't set reserved SQ create flags")
> Cc: stable at vger.kernel.org
> Signed-off-by: Jens Axboe <axboe at kernel.dk>

Thanks, applied to nvme-4.18.

  reply	other threads:[~2018-05-08 16:35 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-08 16:25 [PATCH v3] nvme: add quirk to force medium priority for SQ creation Jens Axboe
2018-05-08 16:35 ` Keith Busch [this message]
2018-05-11 17:02   ` Keith Busch
2018-05-11 21:05     ` Jens Axboe
     [not found]       ` <4feb7a21-14b1-be61-a88e-8c7841fae96c@huawei.com>
2018-05-15 15:23         ` Question about stream number Jens Axboe
2018-05-09  4:40 ` [PATCH v3] nvme: add quirk to force medium priority for SQ creation Christoph Hellwig
2018-05-09 14:05   ` Keith Busch
2018-05-09 14:16     ` Jens Axboe

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=20180508163539.GB31027@localhost.localdomain \
    --to=keith.busch@linux.intel.com \
    /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