linux-kernel - Re: [PATCH -next] x86: ia32.h: Remove unused code

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Date:   Fri, 14 Jul 2023 11:16:52 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <tglx@...utronix.de>, <mingo@...hat.com>, <bp@...en8.de>,
        <dave.hansen@...ux.intel.com>, <x86@...nel.org>, <hpa@...or.com>
CC:     <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] x86: ia32.h: Remove unused code

ping...

On 2023/6/25 20:54, YueHaibing wrote:
> Since commit 32974ad4907c ("[IA64] Remove COMPAT_IA32 support")
> IA32_STACK_TOP and ia32_setup_arg_pages() is not used anymore.
> And commit 675a0813609f ("x86: unify mmap_{32|64}.c") left behind
> ia32_pick_mmap_layout() extern declaration.
> 
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---
>  arch/x86/include/asm/ia32.h | 11 -----------
>  1 file changed, 11 deletions(-)
> 
> diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h
> index fada857f0a1e..68f7eefe63d3 100644
> --- a/arch/x86/include/asm/ia32.h
> +++ b/arch/x86/include/asm/ia32.h
> @@ -57,17 +57,6 @@ struct stat64 {
>  	unsigned long long	st_ino;
>  } __attribute__((packed));
>  
> -#define IA32_STACK_TOP IA32_PAGE_OFFSET
> -
> -#ifdef __KERNEL__
> -struct linux_binprm;
> -extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
> -				unsigned long stack_top, int exec_stack);
> -struct mm_struct;
> -extern void ia32_pick_mmap_layout(struct mm_struct *mm);
> -
> -#endif
> -
>  #endif /* CONFIG_IA32_EMULATION */
>  
>  #endif /* _ASM_X86_IA32_H */
>