On 07/10/2017 03:33 PM, Kirill A. Shutemov wrote: > > [Sorry for loong delay.] > > The patch works for me for legacy boot. But it breaks EFI boot with > 5-level paging. And I struggle to understand why. > > What I see is many page faults at mm/kasan/kasan.c:758 -- > "DEFINE_ASAN_LOAD_STORE(4)". Handling one of them I get double-fault at > arch/x86/kernel/head_64.S:298 -- "pushq %r14", which ends up with triple > fault. > > Any ideas? > > If you want to play with this by yourself, qemu supports la57 -- use > -cpu "qemu64,+la57". > I'll have a look. -- 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>
