[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-devel] Re: [PATCH 3/4] [Net] Support Xen accelerated network plugin modules

Kieran Mansley <kmansley@xxxxxxxxxxxxxx> writes:

> RCU on its own wouldn't
> prevent the accelerated plugin being unloaded while netfront was using
> one of the hooks. 

Note that module unload does always does a stop_machine() which is much 
stronger than normal RCU. As long as you don't sleep and cannot be preemptable
it should be always safe.


Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.