All of lore.kernel.org
 help / color / mirror / Atom feed
From: axboe@fb.com (Jens Axboe)
Subject: [PATCH] NVMe: make setup work for devices that don't do INTx
Date: Wed, 19 Nov 2014 20:36:15 -0700	[thread overview]
Message-ID: <546D61AF.6040403@fb.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1411191600480.4225@localhost.lm.intel.com>

On 11/19/2014 10:54 AM, Keith Busch wrote:
> On Fri, 14 Nov 2014, Jens Axboe wrote:
>> The setup/probe part currently relies on INTx being there and
>> working, that's not always the case. For devices that don't
>> advertise INTx, enable a single MSIx vector early on and disable
>> it again before we ask for our full range of queue vecs.
>
> Acked-by: Keith Busch <keith.busch at intel.com>
>
> I have an early sample platform that has the same behavior. I thought
> it was just a buggy prototype, but the h/w makers tell me it's designed
> that way.

I believe they are correct :-)

Thanks for the ack, I'll add this to the 3.19 mix. Did you take a look 
at the other two trivial patches?

-- 
Jens Axboe

  reply	other threads:[~2014-11-20  3:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-14 16:49 [PATCH] NVMe: make setup work for devices that don't do INTx Jens Axboe
2014-11-19 17:54 ` Keith Busch
2014-11-20  3:36   ` Jens Axboe [this message]
2014-11-20 16:55     ` Keith Busch

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=546D61AF.6040403@fb.com \
    --to=axboe@fb.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 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.