On Fri, May 09, 2025 at 02:54:00PM -0700, Josh Poimboeuf wrote:
> On Fri, May 09, 2025 at 11:36:35PM +0200, Borislav Petkov wrote:
> > On Fri, May 09, 2025 at 01:17:07PM -0700, Josh Poimboeuf wrote:
> > > +#define ALTINSTR_SIZE 14
> >
> > We have sizeof(struct alt_instr) to offer...
>
> Right, but IIRC, sizeof(struct alt_instr) isn't available at macro
> expansion time so it would have to be provided as an input constraint.
>
> That doesn't really work for the ALTERNATIVE macro, where the asm
> constraints are out of our control because they're set by the caller.
Bah, that doesn't work. And you're enforcing it with BUILD_BUG_ON(). Oh well,
ignore the noise.
:-)
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
