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From: James Hogan <jhogan@kernel.org>
To: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: chenhc@lemote.com, linux-mips@linux-mips.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] MIPS: Loongson64: Define has_cpu_mips64r2_user for Loongson-3
Date: Thu, 22 Mar 2018 13:40:58 +0000 [thread overview]
Message-ID: <20180322134057.GG13126@saruman> (raw)
In-Reply-To: <20180321145304.4639-2-jiaxun.yang@flygoat.com>
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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@flygoat.com>
> ---
> 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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next prev parent reply other threads:[~2018-03-22 13:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-21 14:53 [PATCH 1/2] MIPS: Introduce has_cpu_mips*_user in cpu-features.h Jiaxun Yang
2018-03-21 14:53 ` [PATCH 2/2] MIPS: Loongson64: Define has_cpu_mips64r2_user for Loongson-3 Jiaxun Yang
2018-03-22 13:40 ` James Hogan [this message]
2018-03-22 13:43 ` [PATCH 1/2] MIPS: Introduce has_cpu_mips*_user in cpu-features.h James Hogan
2018-03-22 14:22 ` [PATCH v2 " Jiaxun Yang
2018-03-22 14:22 ` [PATCH v2 2/2] MIPS: Loongson64: Define has_cpu_mips*r2_user for Loongson-3 Jiaxun Yang
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