Re: [kvm-unit-tests PATCH v2 3/9] s390x: gs: move to new header file

Heiko Carstens
2022-03-24T17:41:09Z

On Wed, Mar 23, 2022 at 06:03:19PM +0100, Nico Boehr wrote:
...
> +static inline unsigned long load_guarded(unsigned long *p)
> +{
> + unsigned long v;
> +
> + asm(".insn rxy,0xe3000000004c, %0,%1"
> + : "=d" (v)
> + : "m" (*p)
> + : "r14", "memory");
> + return v;
> +}

It was like that before, but why is r14 within the clobber list?
That doesn't make sense.