Re: [RFC PATCH 4/4] KVM: selftests: Add the sync_regs test for s390x

From: Paolo Bonzini
Date: Mon May 20 2019 - 07:22:06 EST


On 16/05/19 13:12, Thomas Huth wrote:
> +#define VCPU_ID 5
> +
> +static void guest_code(void)
> +{
> + for (;;) {
> + asm volatile ("diag 0,0,0x501");
> + asm volatile ("ahi 11,1");
> + }

I'd like this to use something like

register u32 stage = 0 asm("11");
...
stage++

instead (yes, it should be fixed in x86 too).

Paolo