linux-kernel - Re: [PATCH -next] arm64/sve: Remove unused declaration read_smcr

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Message-ID: <db4aa7d7-d1fe-ac07-b81d-cd9dd07a0ed4@huawei.com>
Date: Wed, 14 Aug 2024 16:47:00 +0800
From: Zenghui Yu <yuzenghui@...wei.com>
To: Yue Haibing <yuehaibing@...wei.com>
CC: <catalin.marinas@....com>, <will@...nel.org>, <broonie@...nel.org>,
	<mark.rutland@....com>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] arm64/sve: Remove unused declaration
 read_smcr_features()

On 2024/8/10 17:39, Yue Haibing wrote:
> Commit 391208485c3a ("arm64/sve: Remove SMCR pseudo register from cpufeature code")
> removed the implementation but leave declaration.
> 
> Signed-off-by: Yue Haibing <yuehaibing@...wei.com>
> ---
>  arch/arm64/include/asm/fpsimd.h | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h
> index bc69ac368d73..f2a84efc3618 100644
> --- a/arch/arm64/include/asm/fpsimd.h
> +++ b/arch/arm64/include/asm/fpsimd.h
> @@ -155,8 +155,6 @@ extern void cpu_enable_sme2(const struct arm64_cpu_capabilities *__unused);
>  extern void cpu_enable_fa64(const struct arm64_cpu_capabilities *__unused);
>  extern void cpu_enable_fpmr(const struct arm64_cpu_capabilities *__unused);
>  
> -extern u64 read_smcr_features(void);
> -
>  /*
>   * Helpers to translate bit indices in sve_vq_map to VQ values (and
>   * vice versa).  This allows find_next_bit() to be used to find the

Reviewed-by: Zenghui Yu <yuzenghui@...wei.com>