From: Greg KH <greg@kroah.com>
To: Alexander Viro <viro@math.psu.edu>
Cc: Linus Torvalds <torvalds@transmeta.com>, linux-kernel@vger.kernel.org
Subject: Re: [RFC] races in access to pci_devices
Date: Wed, 14 Nov 2001 21:24:41 -0800 [thread overview]
Message-ID: <20011114212441.B8285@kroah.com> (raw)
In-Reply-To: <Pine.GSO.4.21.0111142257510.1095-100000@weyl.math.psu.edu>
In-Reply-To: <Pine.GSO.4.21.0111142257510.1095-100000@weyl.math.psu.edu>
On Wed, Nov 14, 2001 at 11:00:26PM -0500, Alexander Viro wrote:
> Linus, as far as I can see there's no exclusion between
> the code that walks pci_devices and pci_insert_device(). It's
> not a big deal wrt security (not many laptops with remote access)
> but...
It's a bigger deal with large servers that have PCI Hotplug controllers.
> What locking is supposed to be there?
I'll add a lock to keep the problem from happening.
thanks,
greg k-h
next prev parent reply other threads:[~2001-11-15 4:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-15 4:00 [RFC] races in access to pci_devices Alexander Viro
2001-11-15 5:24 ` Greg KH [this message]
2001-11-15 7:55 ` Jeff Garzik
2001-11-15 8:00 ` Alexander Viro
2001-11-15 8:28 ` Andrew Morton
2001-11-15 16:35 ` Patrick Mochel
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=20011114212441.B8285@kroah.com \
--to=greg@kroah.com \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@transmeta.com \
--cc=viro@math.psu.edu \
/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.