linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sagi Grimberg <sagi@grimberg.me>
To: Jens Axboe <axboe@fb.com>, Keith Busch <keith.busch@intel.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Damien Le Moal <Damien.LeMoal@wdc.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Paul Pawlowski <paul@mrarm.io>,
	Minwoo Im <minwoo.im.dev@gmail.com>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v3] nvme-pci: Support shared tags across queues for Apple 2018 controllers
Date: Mon, 5 Aug 2019 12:56:29 -0700	[thread overview]
Message-ID: <f34af208-2707-f326-0451-354a8b482586@grimberg.me> (raw)
In-Reply-To: <caa04d02-05a0-dd1f-2072-df41a21f2aa8@fb.com>


>>>> Ping ? I had another look today and I don't feel like mucking around
>>>> with all the AQ size logic, AEN magic tag etc... just for that sake of
>>>> that Apple gunk. I'm happy to have it give up IO tags, it doesn't seem
>>>> to make much of a difference in practice anyway.
>>>>
>>>> But if you feel strongly about it, then I'll implement the "proper" way
>>>> sometimes this week, adding a way to shrink the AQ down to something
>>>> like 3 (one admin request, one async event (AEN), and the empty slot)
>>>> by making a bunch of the constants involved variables instead.
>>>
>>> I don't feel too strongly about it. I think your patch is fine, so
>>>
>>> Acked-by: Keith Busch <keith.busch@intel.com>
>>
>> Should we pick this up for 5.3-rc?
> 
> No, it's not a regression fix. Queue it up for 5.4 instead.

OK, will queue it up for nvme-5.4

  reply	other threads:[~2019-08-05 19:56 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-19  5:31 [PATCH v3] nvme-pci: Support shared tags across queues for Apple 2018 controllers Benjamin Herrenschmidt
2019-07-19  5:45 ` Balbir Singh
2019-07-19 12:28 ` Christoph Hellwig
2019-07-19 13:51   ` Benjamin Herrenschmidt
2019-07-22 21:54     ` Benjamin Herrenschmidt
2019-07-23  1:36 ` Ming Lei
2019-07-30 15:30 ` Keith Busch
2019-07-30 20:15   ` Benjamin Herrenschmidt
2019-07-30 20:28   ` Benjamin Herrenschmidt
2019-08-05  6:49     ` Benjamin Herrenschmidt
2019-08-05 13:49       ` Keith Busch
2019-08-05 18:27         ` Sagi Grimberg
2019-08-05 18:35           ` Keith Busch
2019-08-05 19:07           ` Jens Axboe
2019-08-05 19:56             ` Sagi Grimberg [this message]
2019-08-05 20:07               ` Sagi Grimberg
2019-08-06  5:26                 ` Benjamin Herrenschmidt
2019-08-06  5:26           ` Benjamin Herrenschmidt
2019-08-06  5:24         ` Benjamin Herrenschmidt

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=f34af208-2707-f326-0451-354a8b482586@grimberg.me \
    --to=sagi@grimberg.me \
    --cc=Damien.LeMoal@wdc.com \
    --cc=axboe@fb.com \
    --cc=benh@kernel.crashing.org \
    --cc=hch@lst.de \
    --cc=kbusch@kernel.org \
    --cc=keith.busch@intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-nvme@lists.infradead.org \
    --cc=minwoo.im.dev@gmail.com \
    --cc=paul@mrarm.io \
    /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;
as well as URLs for NNTP newsgroup(s).