linux-kernel - Re: [PATCH 03/10] csky/vdso: Remove superfluous ifdeffery

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Message-ID: <CAJF2gTS0EtmvxS9n0s2w1oOfhvT1KhMR+6jzFyHCDaTZvKzVbQ@mail.gmail.com>
Date: Tue, 20 Feb 2024 09:12:48 +0800
From: Guo Ren <guoren@...nel.org>
To: Anna-Maria Behnsen <anna-maria@...utronix.de>
Cc: linux-kernel@...r.kernel.org, Andy Lutomirski <luto@...nel.org>, 
	Thomas Gleixner <tglx@...utronix.de>, Vincenzo Frascino <vincenzo.frascino@....com>, 
	linux-csky@...r.kernel.org
Subject: Re: [PATCH 03/10] csky/vdso: Remove superfluous ifdeffery

On Mon, Feb 19, 2024 at 11:40 PM Anna-Maria Behnsen
<anna-maria@...utronix.de> wrote:
>
> CSKY selects GENERIC_TIME_VSYSCALL. GENERIC_TIME_VSYSCALL dependent
> ifdeffery is superfluous. Clean it up.
>
> Signed-off-by: Anna-Maria Behnsen <anna-maria@...utronix.de>
> Cc: Guo Ren <guoren@...nel.org>
> Cc: linux-csky@...r.kernel.org
> ---
>  arch/csky/include/asm/vdso.h | 5 -----
>  arch/csky/kernel/vdso.c      | 4 ----
>  2 files changed, 9 deletions(-)
>
> diff --git a/arch/csky/include/asm/vdso.h b/arch/csky/include/asm/vdso.h
> index bdce581b5fcb..181a15edafe8 100644
> --- a/arch/csky/include/asm/vdso.h
> +++ b/arch/csky/include/asm/vdso.h
> @@ -5,11 +5,6 @@
>
>  #include <linux/types.h>
>
> -#ifndef GENERIC_TIME_VSYSCALL
> -struct vdso_data {
> -};
> -#endif
> -
>  /*
>   * The VDSO symbols are mapped into Linux so we can just use regular symbol
>   * addressing to get their offsets in userspace.  The symbols are mapped at an
> diff --git a/arch/csky/kernel/vdso.c b/arch/csky/kernel/vdso.c
> index 16c20d64d165..e74a2504d331 100644
> --- a/arch/csky/kernel/vdso.c
> +++ b/arch/csky/kernel/vdso.c
> @@ -8,11 +8,7 @@
>  #include <linux/slab.h>
>
>  #include <asm/page.h>
> -#ifdef GENERIC_TIME_VSYSCALL
>  #include <vdso/datapage.h>
> -#else
> -#include <asm/vdso.h>
> -#endif
>
>  extern char vdso_start[], vdso_end[];
>
> --
> 2.39.2
>
Acked-by: Guo Ren <guoren@...nel.org>

-- 
Best Regards
 Guo Ren