On Wed, Aug 21, 2013 at 08:50:26PM +0200, H. Peter Anvin wrote: > But is there a manifest bug or not? What is the deal with Xen? >
I personally don't see bug here because - this swapped page soft dirty bit is set for non-present entries only, never for present ones, just at moment we form swap pte entry - i don't find any code which would test for this bit directly without is_swap_pte call but the use of paw bit itself is confusing, so I'm working on patch which won't use it. Again, if someone knows where exactly access to pse bit when pte keeps swap entry may happen (for any purpose other than dirty page tracking) please share. -- 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/
