| To: | jamal <hadi@xxxxxxxxxx> |
|---|---|
| Subject: | Re: RFC: PPP over X |
| From: | Paul Mackerras <paulus@xxxxxxxxxxxxx> |
| Date: | Tue, 8 Feb 2000 12:29:07 +1100 |
| Cc: | Michal Ostrowski <mostrows@xxxxxxxxxxxxxxxxx>, Mitchell Blank Jr <mitch@xxxxxxxxxx>, netdev@xxxxxxxxxxx, axboe@xxxxxxx, Mark Spencer <markster@xxxxxxxxx>, Andi Kleen <ak@xxxxxxx>, Marc Boucher <marc@xxxxxxx>, Ben LaHaise <bcrl@xxxxxxxxxx> |
| Organization: | Linuxcare, Inc. |
| References: | <Pine.GSO.4.20.0002061211320.1009-100000@xxxxxxxxxxxxxxxx> |
| Sender: | owner-netdev@xxxxxxxxxxx |
On Mon, 07 Feb 2000, jamal wrote: > Locking inside the kernel will help instead of UID i.e make the channel > grabbing atomic; if the channel is grabbed its state changes to "grabbed"; > this could be also interpreted as a refcount; on close or detach it goes > back to "available" state. That still leaves a race where I can grab your channel. Actually it would probably be better to say that only root can grab a channel. -- Paul Mackerras, Senior Open Source Researcher, Linuxcare, Inc. +61 2 6262 8990 tel, +61 2 6262 8991 fax paulus@xxxxxxxxxxxxxxxx, http://www.linuxcare.com.au/ Linuxcare. Support for the revolution. |
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Re: RFC: PPP over X, Paul Mackerras |
|---|---|
| Next by Date: | Re: RFC: PPP over X, Paul Mackerras |
| Previous by Thread: | Re: RFC: PPP over X, jamal |
| Next by Thread: | Re: RFC: PPP over X, jamal |
| Indexes: | [Date] [Thread] [Top] [All Lists] |