On Sun, Jul 26, 2020 at 10:55:15PM -0700, h...@zytor.com wrote:
> For a really overenginered solution, but which might perform
> unnecessary poorly on existing hardware:
>
> asm volatile("1: .byte 0xf, 0x1, 0xe8; 2:"
> _ASM_EXTABLE(1b,2b));Ha! cute, you take an #UD ? We could optimize the #UD exception handler for this I suppose, but that makes it an even worse hack. The simple alternative() seems like a much simpler approach.
