Re: [PATCH 2/2] MIPS: Loongson64: Define has_cpu_mips64r2_user for Loongson-3

From: James Hogan
Date: Thu Mar 22 2018 - 09:41:08 EST


On Wed, Mar 21, 2018 at 10:53:04PM +0800, Jiaxun Yang wrote:
> All loongson-3 processors support mips64r2 usermode instructions.
> However 3A1000 3B1000 3B1500 should be treated as mips64r1 in kernel.
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> ---
> arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
> index 581915ce231c..71c893249374 100644
> --- a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
> +++ b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
> @@ -49,6 +49,7 @@
> #define cpu_has_wsbh 1
> #define cpu_has_ic_fills_f_dc 1
> #define cpu_hwrena_impl_bits 0xc0000000
> +#define cpu_has_mips64r2_user 1

What about cpu_has_mips32r2_user?

Cheers
James

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