On Thu, Jun 11, 2015 at 08:08:07AM +0200, Ingo Molnar wrote: > > * Josh Poimboeuf <jpoim...@redhat.com> wrote: > > > I should also mention that my proposed ia32_ptregs_common patch, which > > duplicated the needed code, was more optimized for performance than code > > size. > > > > But if you're more worried about code size, we could turn > > ia32_ptregs_common > > into a proper callable function, and then replace > > > > jmp ia32_ptregs_common > > > > with: > > > > call ia32_ptregs_common > > ret > > > > So it becomes a regular call instead of a tail call. It only adds a few > > instructions and the function is self-contained. Would that be good enough? > > No, debug info should not slow down the kernel, especially not code we write > in > assembly partly for performance.
Ok. I'll work on adding support for external jumps. -- Josh -- 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/
