On Sun, 7 Feb 2010 07:37:49 pm Michael S. Tsirkin wrote: > On Mon, Feb 01, 2010 at 07:21:02PM +0200, Michael S. Tsirkin wrote: > > vhost-net only uses memory barriers to control SMP effects > > (communication with userspace potentially running on a different CPU), > > so it should use SMP barriers and not mandatory barriers for memory > > access ordering, as suggested by Documentation/memory-barriers.txt > > > > Signed-off-by: Michael S. Tsirkin <[email protected]> > > > Rusty, any feedback on this one? > Thanks!
Yep. barrier() is correct on UP to guard against preemption. Acked-by: Rusty Russell <[email protected]> Thanks, Rusty. _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
