All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg KH <greg@kroah.com>
To: Hans Verkuil <hverkuil@xs4all.nl>
Cc: video4linux-list@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [BUG] cdev_put() race condition
Date: Wed, 17 Dec 2008 12:52:49 -0800	[thread overview]
Message-ID: <20081217205249.GA25893@kroah.com> (raw)
In-Reply-To: <200812172118.29574.hverkuil@xs4all.nl>

On Wed, Dec 17, 2008 at 09:18:29PM +0100, Hans Verkuil wrote:
> On Wednesday 17 December 2008 20:53:29 Greg KH wrote:
> > So why is V4L different than the rest of the kernel in that it wishes to
> > do things differently?
> 
> Because it has almost no proper framework to speak of and what little there 
> is has been pretty much unchanged since the very beginning.

Ick.

> I'm trying to develop a decent framework that should help support upcoming 
> devices and generally make life easier for v4l driver developers.
> 
> And I've no idea why we don't just use the device's release() callback for 
> this. I'm going to implement this right now :-)

Thanks, that makes oh so much more sense.  Let me know when you've
completed it so I can make your cdev change as well.

thanks,

greg k-h

      reply	other threads:[~2008-12-17 21:00 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-08 20:56 [BUG] cdev_put() race condition Hans Verkuil
2008-12-08 20:56 ` Hans Verkuil
2008-12-16 10:06 ` Hans Verkuil
2008-12-16 10:06   ` Hans Verkuil
2008-12-16 20:22 ` Greg KH
2008-12-16 21:00   ` Hans Verkuil
2008-12-16 21:00     ` Hans Verkuil
2008-12-16 21:21     ` Greg KH
2008-12-16 23:23       ` Hans Verkuil
2008-12-16 23:23         ` Hans Verkuil
2008-12-16 23:30         ` Greg KH
2008-12-17 13:37           ` Hans Verkuil
2008-12-17 13:37             ` Hans Verkuil
2008-12-17 14:52             ` Boaz Harrosh
2008-12-17 15:07               ` Hans Verkuil
2008-12-17 15:07                 ` Hans Verkuil
2008-12-17 16:09                 ` Boaz Harrosh
2008-12-17 17:33                   ` Hans Verkuil
2008-12-17 17:33                     ` Hans Verkuil
2008-12-17 18:08                     ` Al Viro
2008-12-18  8:12                       ` Boaz Harrosh
2008-12-18  8:25                     ` Boaz Harrosh
2008-12-17 18:16             ` Greg KH
2008-12-17 19:27               ` Laurent Pinchart
2008-12-17 19:27                 ` Laurent Pinchart
2008-12-17 19:35                 ` Greg KH
2008-12-17 19:30               ` Hans Verkuil
2008-12-17 19:30                 ` Hans Verkuil
2008-12-17 19:38                 ` Greg KH
2008-12-17 19:39                 ` Hans Verkuil
2008-12-17 19:39                   ` Hans Verkuil
2008-12-17 19:53                   ` Greg KH
2008-12-17 20:18                     ` Hans Verkuil
2008-12-17 20:18                       ` Hans Verkuil
2008-12-17 20:52                       ` Greg KH [this message]

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=20081217205249.GA25893@kroah.com \
    --to=greg@kroah.com \
    --cc=hverkuil@xs4all.nl \
    --cc=linux-kernel@vger.kernel.org \
    --cc=video4linux-list@redhat.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.