On 03/05/2024 15:01, Joey Gouly wrote:
> +static uint64_t get_por_el0(void)
> +{
> + uint64_t val;
> +
> + asm volatile (
> + "mrs %0, " SYS_POR_EL0 "\n"
> + : "=r"(val)
> + :
> + : "cc");
Not sure why we would need "cc" for an MRS? __read_pkey_reg() doesn't
use it (maybe we could directly use that function here if including
pkey-arm64.h is OK).
Kevin
> +
> + return val;
> +}
