* Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: > I still think it would be better if you get rid of BIT(63) and use a > pair of landing pads, though. They could be as simple as: > > .Lpage_fault_goes_here: > xorq %rax, %rax > jmp .Lbad > > .Lmce_goes_here: > /* set high bit of rax or whatever */ > /* fall through */ > > .Lbad: > /* deal with it */ > > That way the magic is isolated to the function that needs the magic. Seconded - this is the usual pattern we use in all assembly functions. Thanks, Ingo -- 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>