linux-kernel - Re: [PATCH v5 06/16] x86/nops: init ideal

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Message-ID: <20180904140155.GH32615@zn.tnic>
Date:   Tue, 4 Sep 2018 16:01:55 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Pu Wen <puwen@...on.cn>
Cc:     tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        x86@...nel.org, thomas.lendacky@....com, pbonzini@...hat.com,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH v5 06/16] x86/nops: init ideal_nops for Hygon

On Wed, Aug 29, 2018 at 08:44:07PM +0800, Pu Wen wrote:
> The ideal_nops for Dhyana processors should be p6_nops.
> 
> Signed-off-by: Pu Wen <puwen@...on.cn>
> ---
>  arch/x86/kernel/alternative.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
> index 014f214..3f51d1c 100644
> --- a/arch/x86/kernel/alternative.c
> +++ b/arch/x86/kernel/alternative.c
> @@ -222,6 +222,10 @@ void __init arch_init_ideal_nops(void)
>  		}
>  		break;
>  
> +	case X86_VENDOR_HYGON:
> +		ideal_nops = p6_nops;
> +		return;
> +
>  	case X86_VENDOR_AMD:
>  		if (boot_cpu_data.x86 > 0xf) {
>  			ideal_nops = p6_nops;
> -- 

Reviewed-by: Borislav Petkov <bp@...e.de>

-- 
Regards/Gruss,
    Boris.

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