netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Keir Fraser <keir@xensource.com>
To: Kieran Mansley <kmansley@solarflare.com>,
	Stephen Hemminger <shemminger@linux-foundation.org>
Cc: <muli@il.ibm.com>, <netdev@vger.kernel.org>,
	<xen-devel@lists.xensource.com>, <herbert@gondor.apana.org.au>
Subject: Re: [Xen-devel] Re: [PATCH 3/4] [Net] Support Xen accelerated network plugin modules
Date: Tue, 22 May 2007 08:48:04 +0100	[thread overview]
Message-ID: <C2785EC4.F4E3%keir@xensource.com> (raw)
In-Reply-To: <1179818921.4145.29.camel@moonstone.uk.level5networks.com>




On 22/5/07 08:28, "Kieran Mansley" <kmansley@solarflare.com> wrote:

> On Tue, 2007-05-22 at 08:15 +0100, Kieran Mansley wrote:
>> RCU on its own wouldn't
>> prevent the accelerated plugin being unloaded while netfront was using
>> one of the hooks.
> 
> Hmm, actually I think it could be used to do that.  I'll take a look.

Eagerly zap the function pointers, then wait one RCU period so every CPU
goes through a quiescent point before unloading the module?

 -- Keir


  reply	other threads:[~2007-05-22  7:48 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-18 13:16 [PATCH 3/4] [Net] Support Xen accelerated network plugin modules Kieran Mansley
2007-05-21 17:50 ` Stephen Hemminger
2007-05-22  7:00   ` Kieran Mansley
2007-05-21 17:52 ` Stephen Hemminger
2007-05-22  7:15   ` Kieran Mansley
2007-05-22  7:28     ` Kieran Mansley
2007-05-22  7:48       ` Keir Fraser [this message]
2007-05-22  7:59         ` [Xen-devel] " Kieran Mansley
2007-05-22 12:44         ` Kieran Mansley
2007-05-22 14:07           ` Keir Fraser
2007-05-22 14:20             ` Kieran Mansley
2007-05-22 15:05           ` Stephen Hemminger
2007-05-22 16:06             ` Kieran Mansley
2007-05-25  6:53     ` Andi Kleen
2007-05-21 17:54 ` Stephen Hemminger

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=C2785EC4.F4E3%keir@xensource.com \
    --to=keir@xensource.com \
    --cc=herbert@gondor.apana.org.au \
    --cc=kmansley@solarflare.com \
    --cc=muli@il.ibm.com \
    --cc=netdev@vger.kernel.org \
    --cc=shemminger@linux-foundation.org \
    --cc=xen-devel@lists.xensource.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;
as well as URLs for NNTP newsgroup(s).