lkml.org 
[lkml]   [2014]   [Nov]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH net-net 0/4] Increase the limit of tuntap queues
From
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Sun, 23 Nov 2014 22:30:32 +0200

> qemu runs in the host, but it's unpriveledged: it gets
> passed tun FDs by a priveledged daemon, and it only
> has the rights to some operations,
> in particular to attach and detach queues.
>
> The assumption always was that this operation is safe
> and can't make kernel run out of resources.

This creates a rather rediculous situation in my opinion.

Configuring a network device is a privileged operation, the daemon
should be setting this thing up.

In no other context would we have to worry about something like this.


\
 
 \ /
  Last update: 2014-11-24 03:01    [W:0.677 / U:0.720 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site