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, smp_wmb() calls were added in the umem
> registration code and the queue creation code, so that the published
> structures that xsk_mmap needs would be consistent. However, the
> corresponding smp_rmb() calls were not added to the xsk_mmap
> code. This patch adds these calls.
>
> Fixes: 37b076933a8e3 ("xsk: add missing write- and data-dependency barrier")
> Fixes: c0c77d8fb787c ("xsk: add user memory registration support sockopt")
> Signed-off-by: Magnus Karlsson <magnus.karls...@intel.com>
Applied, Thanks
