All of lore.kernel.org
 help / color / mirror / Atom feed
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Ben Hutchings <bhutchings@solarflare.com>
Cc: netdev <netdev@vger.kernel.org>,
	sf-linux-drivers <linux-net-drivers@solarflare.com>,
	linux-mtd <linux-mtd@lists.infradead.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] Online firmware upgrade in non-embedded systems
Date: Wed, 29 Sep 2010 15:34:18 +0300	[thread overview]
Message-ID: <1285763658.2437.112.camel@localhost> (raw)
In-Reply-To: <1285696787.2282.45.camel@achroite.uk.solarflarecom.com>

On Tue, 2010-09-28 at 18:59 +0100, Ben Hutchings wrote:
> Currently the sfc network driver is optionally combined with an MTD
> driver (CONFIG_SFC_MTD) which exposes all upgradable firmware and
> configuration partitions in flash.  This works nicely in kernels with
> MTD enabled, but since MTD is mainly used in embedded systems with
> on-board flash it is often disabled in distribution kernels and custom
> kernels alike.  This leaves users of sfc unable to upgrade firmware
> without rebuilding the kernel or booting some other distribution.  The
> lack of widespread MTD support is a regular cause of support requests.

At least Fedora does have MTD enabled. But I guess commercial
distributions like RHEL might have it disabled (but I did not check),
and I think I could guess the reason for this.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)

WARNING: multiple messages have this Message-ID (diff)
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Ben Hutchings <bhutchings@solarflare.com>
Cc: netdev <netdev@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	linux-mtd <linux-mtd@lists.infradead.org>,
	sf-linux-drivers <linux-net-drivers@solarflare.com>
Subject: Re: [RFC] Online firmware upgrade in non-embedded systems
Date: Wed, 29 Sep 2010 15:34:18 +0300	[thread overview]
Message-ID: <1285763658.2437.112.camel@localhost> (raw)
In-Reply-To: <1285696787.2282.45.camel@achroite.uk.solarflarecom.com>

On Tue, 2010-09-28 at 18:59 +0100, Ben Hutchings wrote:
> Currently the sfc network driver is optionally combined with an MTD
> driver (CONFIG_SFC_MTD) which exposes all upgradable firmware and
> configuration partitions in flash.  This works nicely in kernels with
> MTD enabled, but since MTD is mainly used in embedded systems with
> on-board flash it is often disabled in distribution kernels and custom
> kernels alike.  This leaves users of sfc unable to upgrade firmware
> without rebuilding the kernel or booting some other distribution.  The
> lack of widespread MTD support is a regular cause of support requests.

At least Fedora does have MTD enabled. But I guess commercial
distributions like RHEL might have it disabled (but I did not check),
and I think I could guess the reason for this.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)


  parent reply	other threads:[~2010-09-29 12:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-28 17:59 [RFC] Online firmware upgrade in non-embedded systems Ben Hutchings
2010-09-28 18:45 ` Alexander Clouter
2010-09-28 22:41 ` Carl-Daniel Hailfinger
2010-09-28 22:41   ` Carl-Daniel Hailfinger
2010-09-29 12:35   ` Ben Hutchings
2010-09-29 12:35     ` Ben Hutchings
2010-09-29 12:45     ` Carl-Daniel Hailfinger
2010-09-29 12:45       ` Carl-Daniel Hailfinger
2010-09-29 13:10       ` Ben Hutchings
2010-09-29 13:10         ` Ben Hutchings
2010-09-29 13:43         ` Carl-Daniel Hailfinger
2010-09-29 13:43           ` Carl-Daniel Hailfinger
2010-09-29 12:34 ` Artem Bityutskiy [this message]
2010-09-29 12:34   ` Artem Bityutskiy
2010-09-29 12:44   ` Ben Hutchings
2010-09-29 12:44     ` Ben Hutchings

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=1285763658.2437.112.camel@localhost \
    --to=dedekind1@gmail.com \
    --cc=bhutchings@solarflare.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mtd@lists.infradead.org \
    --cc=linux-net-drivers@solarflare.com \
    --cc=netdev@vger.kernel.org \
    /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.