On Fri, Feb 08, 2019 at 02:13:50PM +0100, Magnus Karlsson wrote:
> All the setup code in AF_XDP is protected by a mutex with the
> exception of the mmap code that cannot use it. To make sure that a
> process banging on the mmap call at the same time as another process
> is setting up the socket, sm
All the setup code in AF_XDP is protected by a mutex with the
exception of the mmap code that cannot use it. To make sure that a
process banging on the mmap call at the same time as another process
is setting up the socket, smp_wmb() calls were added in the umem
registration code and the queue crea