On Wed, Dec 19, 2012 at 2:25 PM, H. Peter Anvin <h...@zytor.com> wrote: > > The problem is that before we have awareness of the memory map, we need to > map things in order to access them. This is a big problem and right now > there are ridiculous heuristics. I have been working on mapping on demand, > but there are concerns about the boundaries (i.e. what happens if the > mapping spill over into a pit like this.) > > This kind of stuff is really not acceptable. A region which will cause > malfunction if prefetched should not be WB in the MTRR system (I include > TOM* in that.) The real question is what we can do to mitigate the damage.
on demand to only map 2M will help ? or have to return to v6 version for-x86-boot ? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
