On Sat, Feb 13, 2010 at 2:33 AM, Arnd Bergmann <a...@arndb.de> wrote: > The original macvtap code has a number of problems > resulting from the use of RCU for protecting the > access to struct macvtap_queue from open files. > > This includes > - need for GFP_ATOMIC allocations for skbs > - potential deadlocks when copy_*_user sleeps > - inability to work with vhost-net > > Changing the lifetime of macvtap_queue to always > depend on the open file solves all these. The > RCU reference simply moves one step down to > the reference on the macvlan_dev, which we > only need for nonblocking operations. > > Signed-off-by: Arnd Bergmann <a...@arndb.de>
This works for me. Acked-by: Ed Swierk <eswi...@aristanetworks.com>
