Linus Torvalds <[EMAIL PROTECTED]> wrote: > Note that _normal_ writes never need an SFENCE, because they are ordered > by the core. > > The reason to use SFENCE is because of _special_ writes.
I suspect, then, that x86_64 should not have an SFENCE for smp_wmb(), and that only io_wmb() should have that. David - To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
