Re: [PATCH v2] arm64: Expose support for optional ARMv8-A features

Catalin Marinas
2017-10-10T14:35:35Z

On Tue, Oct 10, 2017 at 10:53:10AM +0100, Suzuki K. Poulose wrote:
> diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h
> index 4b9344cba83a..a4bad90a3fa3 100644
> --- a/arch/arm64/include/uapi/asm/hwcap.h
> +++ b/arch/arm64/include/uapi/asm/hwcap.h
> @@ -36,5 +36,10 @@
> #define HWCAP_FCMA (1 << 14)
> #define HWCAP_LRCPC (1 << 15)
> #define HWCAP_DCPOP (1 << 16)
> +#define HWCAP_SHA3 (1 << 17)
> +#define HWCAP_SM3 (1 << 18)
> +#define HWCAP_SM4 (1 << 19)
> +#define HWCAP_ASIMDDP (1 << 20)
> +#define HWCAP_SHA512 (1 << 21)

We may be getting some conflicts around these with additional patches
coming in but not hard to solve. Anyway, whether we are getting pointer
authentication in or not (probably the latter), I would really like to
get the first patch in that series merged:

http://lkml.kernel.org/r/1500480092-28480-2-git-send-email-mark.rutland@arm.com

Otherwise, for this patch:

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>