From: "David S. Miller" <davem@redhat.com>
To: chas3@users.sourceforge.net
Cc: chas@cmf.nrl.navy.mil, netdev@oss.sgi.com
Subject: Re: [RFC] add rtnl semaphore to linux-atm
Date: Wed, 1 Oct 2003 05:42:26 -0700 [thread overview]
Message-ID: <20031001054226.126cea7b.davem@redhat.com> (raw)
In-Reply-To: <200310011134.h91BYPkT003172@ginger.cmf.nrl.navy.mil>
On Wed, 01 Oct 2003 07:34:25 -0400
chas williams <chas@cmf.nrl.navy.mil> wrote:
> i am thinking about doing the following to fix the race
> during ATM_ITF_ANY operation. rtnl is held across
> registration/unregistration. this means that you can get
> read-only access to the device list by holding rtnl
> or a read_lock on atm_dev_lock similar to the scheme
> used by netdevice (or so i think).
This looks like it would work.
Although, unless VCC connect can potentially sleep, it might
be better to keep exporting the rwlock and take it as a reader
instead of grabbing the rtnl semaphore.
next prev parent reply other threads:[~2003-10-01 12:42 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-01 11:34 [RFC] add rtnl semaphore to linux-atm chas williams
2003-10-01 12:42 ` David S. Miller [this message]
2003-10-01 13:07 ` chas williams
2003-10-01 13:14 ` David S. Miller
2003-10-03 2:26 ` Mitchell Blank Jr
2003-10-03 13:58 ` David S. Miller
2003-10-03 21:45 ` Mitchell Blank Jr
2003-10-04 5:16 ` David S. Miller
2003-10-04 5:55 ` Mitchell Blank Jr
2003-10-04 6:56 ` Mitchell Blank Jr
2003-10-04 6:59 ` Mitchell Blank Jr
2003-10-04 12:50 ` chas williams
2003-10-04 19:42 ` Mitchell Blank Jr
2003-10-05 12:52 ` chas williams
2003-10-06 9:03 ` Mitchell Blank Jr
2003-10-06 14:46 ` chas williams
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=20031001054226.126cea7b.davem@redhat.com \
--to=davem@redhat.com \
--cc=chas3@users.sourceforge.net \
--cc=chas@cmf.nrl.navy.mil \
--cc=netdev@oss.sgi.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.