On Thu, 2012-06-28 at 13:05 +0200, Peter Zijlstra wrote: > > > Some embedded ppc's know about the lowest level (SW loaded PMD) but > > that's not an issue here. We flush these special TLB entries > > specifically and synchronously in __pte_free_tlb(). > > OK, I missed that.. is that > arch/powerpc/mm/tlb_nohash.c:tlb_flush_pgtable() ? Yup. > > > So even if the hardware did do speculative tlb fills, it would do > them > > > from the hash-table, but that's already cleared out. > > > > Right, > > Phew at least I got the important thing right ;-) Yeah as long as we have that hash :-) The day we move on (if ever) it will be as bad as ARM :-) Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
