On Mon, Mar 08, 2021 at 02:24:10PM +1300, Mark Tomlinson wrote: > The patches to change to using RCU synchronization in x_tables cause > updating tables to be slowed down by an order of magnitude. This has > been tried before, see https://lore.kernel.org/patchwork/patch/151796/ > and ultimately was rejected. As mentioned in the patch description, a > different method can be used to ensure ordering of reads/writes. This > can simply be done by changing from smp_wmb() to smp_mb(). Applied.
