On Friday 07 September 2007 21:57:35 Nick Piggin wrote: > > > > Anyway, the lfence should be able to go away without so much trouble. > > > > You mean sfence? lfence in rmb is definitely needed. > > I mean lfence in smp_rmb().
One point of rmb is to stop speculative loads and I don't think we can get that without lfence. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/