On Thu, Dec 05, 2024 at 11:09:41AM +0100, Arnd Bergmann wrote: > On Thu, Dec 5, 2024, at 09:13, Andy Shevchenko wrote: > > On Wed, Dec 04, 2024 at 03:33:19PM -0800, Linus Torvalds wrote: > >> On Wed, 4 Dec 2024 at 11:44, Arnd Bergmann <arnd@xxxxxxxx> wrote: ... > >> Will that work when you cross-compile? No. Do we care? Also no. It's > >> basically a simple "you want to optimize for your own local machine" > >> switch. > > > > Maybe it's okay for 64-bit machines, but for cross-compiling for 32-bit on > > 64-bit. I dunno what '-march=native -m32' (or equivalent) will give in such > > cases. > > From the compiler's perspective this is nothing special, it just > builds a 32-bit binary that can use any instruction supported in > 32-bit mode of that 64-bit CPU, But does this affect building, e.g., for Quark on my Skylake desktop? > the same as the 32-bit CONFIG_MCORE2 option that I disallow in patch 04/11. -- With Best Regards, Andy Shevchenko
