On Fri, Dec 11, 2015 at 2:17 PM, Luck, Tony <tony.luck@xxxxxxxxx> wrote: >> Also, would it be more straightforward if the mcexception landing pad >> looked up the va -> pa mapping by itself? Or is that somehow not >> reliable? > > If we did get all the above right, then we could have > target use virt_to_phys() to convert to physical ... > I don't see that this part would be a problem. virt_to_phys() implies a linear address. In the case of the use in the pmem driver we'll be using an ioremap()'d address off somewherein vmalloc space. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>