From: Greg KH <greg@kroah.com>
To: Pete Zaitcev <zaitcev@redhat.com>
Cc: Oliver Neukum <oliver@neukum.org>,
linux-usb-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, laforge@gnumonks.org
Subject: Re: My vision of usbmon
Date: Tue, 21 Dec 2004 21:03:45 -0800 [thread overview]
Message-ID: <20041222050345.GA31076@kroah.com> (raw)
In-Reply-To: <20041221182514.5ed935e2@lembas.zaitcev.lan>
On Tue, Dec 21, 2004 at 06:25:14PM -0800, Pete Zaitcev wrote:
>
> Generally, the type of coding which requires a use of memory barriers in drivers
> is a bug or a latent bug, so I am sorry for the above. It was a sacrifice to
> make usbmon invisible if it's not actively monitoring. Sorry about that.
Well, why do that? Why not do something like the security hooks do, and
have a default "noop" hook if we don't have a monitor, and when you load
the monitor, it switches the hook to point to your code?
thanks,
greg k-h
next prev parent reply other threads:[~2004-12-22 5:06 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-20 7:04 My vision of usbmon Pete Zaitcev
[not found] ` <200412201255.59120.oliver@neukum.org>
2004-12-20 12:21 ` [linux-usb-devel] " Pete Zaitcev
2004-12-22 0:57 ` Greg KH
2004-12-22 1:29 ` Pete Zaitcev
2004-12-22 5:06 ` Greg KH
2004-12-22 5:10 ` Greg KH
2004-12-22 1:38 ` Nick Piggin
2004-12-22 5:04 ` Greg KH
2004-12-22 5:34 ` Jeff Garzik
2004-12-22 6:43 ` Greg KH
[not found] ` <200412201525.52149.oliver@neukum.org>
2004-12-22 2:25 ` Pete Zaitcev
2004-12-22 5:03 ` Greg KH [this message]
2004-12-22 20:46 ` Oliver Neukum
-- strict thread matches above, loose matches on Subject: below --
2004-12-23 21:02 Chad Kitching
2005-01-11 1:36 ` Greg KH
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