linux-kernel - Re: [PATCH -next] arm64/fpsimd: Remove unused declaration fpsimd_kvm

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Message-ID: <Z88SSYFJo9R_YgO3@J2N7QTR9R3.cambridge.arm.com>
Date: Mon, 10 Mar 2025 16:24:41 +0000
From: Mark Rutland <mark.rutland@....com>
To: Yue Haibing <yuehaibing@...wei.com>
Cc: catalin.marinas@....com, will@...nel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] arm64/fpsimd: Remove unused declaration
 fpsimd_kvm_prepare()

On Sun, Mar 09, 2025 at 03:07:23PM +0800, Yue Haibing wrote:
> Commit fbc7e61195e2 ("KVM: arm64: Unconditionally save+flush host
> FPSIMD/SVE/SME state") removed the implementation but leave declaration.
> 
> Signed-off-by: Yue Haibing <yuehaibing@...wei.com>

My bad. Looks like a sensible cleanup.

Acked-by: Mark Rutland <mark.rutland@....com>

Mark.

> ---
>  arch/arm64/include/asm/fpsimd.h | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h
> index f2a84efc3618..564bc09b3e06 100644
> --- a/arch/arm64/include/asm/fpsimd.h
> +++ b/arch/arm64/include/asm/fpsimd.h
> @@ -80,7 +80,6 @@ extern void fpsimd_signal_preserve_current_state(void);
>  extern void fpsimd_preserve_current_state(void);
>  extern void fpsimd_restore_current_state(void);
>  extern void fpsimd_update_current_state(struct user_fpsimd_state const *state);
> -extern void fpsimd_kvm_prepare(void);
>  
>  struct cpu_fp_state {
>  	struct user_fpsimd_state *st;
> -- 
> 2.34.1
> 
>