Re: [Qemu-devel] [PATCH 1/6] qemu-bridge-helper: Fix misuse of isspace()

[Paolo Bonzini]

On 17/05/19 06:35, Jason Wang wrote:
>> Yes, your honor. :)  The helper is the only way for unprivileged users
>> to set up TAP networking, which is basically the only really way to have
>> *working* network.  It's widely used in the wild, it's self-contained
>> and the only alternative for users is the S-word (hint, it's five
>> letters long and ends with LIRP).
> 
> The issue is it can't deal with e.g vhost-net and multiqueue.


vhost-net does work with qemu-bridge-helper, the problem is that distros
set its permissions to 600 and there is really no reason for that.

There is also no reason why multiqueue shouldn't work with
qemu-bridge-helper, all it would take is a new command line argument
--num-queues probably.

Paolo

> We can
> have a simple privileged launcher to do network configuration and pass
> the fds to unprivileged qemu.