[PATCH v4 28/29] kselftest/arm64: Add test case for POR_EL0 signal frame records

[Kevin Brodsky]

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;
> +}