On Fri, Aug 1, 2014 at 7:04 PM, Andy Lutomirski <l...@amacapital.net> wrote: > On Fri, Aug 1, 2014 at 7:48 AM, Denys Vlasenko <dvlas...@redhat.com> wrote: >> 64-bit code was using six stack slots fewer by not saving/restoring >> registers which a callee-preserved according to C ABI, >> and not allocating space for them > > This is great. > > Next up: remove FIXUP/RESTORE_TOP_OF_STACK? :) Maybe I'll give that a shot.
I'm yet at the stage "what that stuff does anyway?" and at "why do we need percpu old_rsp thingy?" in particular. -- 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/
