netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Stephen Hemminger <shemminger@vyatta.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH 2/2] ipv4: Properly purge netdev references on uncached routes.
Date: Tue, 31 Jul 2012 15:44:55 -0700	[thread overview]
Message-ID: <20120731154455.2acf97a8@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <20120731.152033.1148018322961121079.davem@davemloft.net>

On Tue, 31 Jul 2012 15:20:33 -0700 (PDT)
David Miller <davem@davemloft.net> wrote:

> 
> When a device is unregistered, we have to purge all of the
> references to it that may exist in the entire system.
> 
> If a route is uncached, we currently have no way of accomplishing
> this.
> 
> So create a global list that is scanned when a network device goes
> down.  This mirrors the logic in net/core/dst.c's dst_ifdown().
> 
> Signed-off-by: David S. Miller <davem@davemloft.net>

What about systems will full 1M route table?
I wonder if doing rbtree here would make the search faster?

  reply	other threads:[~2012-07-31 22:45 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-31 22:20 [PATCH 2/2] ipv4: Properly purge netdev references on uncached routes David Miller
2012-07-31 22:44 ` Stephen Hemminger [this message]
2012-07-31 23:04   ` David Miller
2012-08-24 15:40     ` Eric Dumazet
2012-08-24 15:45       ` David Miller
  -- strict thread matches above, loose matches on Subject: below --
2012-07-31  1:23 David Miller

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=20120731154455.2acf97a8@nehalam.linuxnetplumber.net \
    --to=shemminger@vyatta.com \
    --cc=davem@davemloft.net \
    --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 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).