linux-kernel - Re: [PATCH AUTOSEL 6.6 12/17] linux/export: clean up the IA-64 KSYM

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Message-ID: <CAKXUXMxiRL-ay9eMz4AZNORbO-mhyZECGE2SDg0rTB7wZdHSRA@mail.gmail.com>
Date:   Wed, 22 Nov 2023 21:06:54 +0100
From:   Lukas Bulwahn <lukas.bulwahn@...il.com>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        Masahiro Yamada <masahiroy@...nel.org>, deller@....de,
        ndesaulniers@...gle.com
Subject: Re: [PATCH AUTOSEL 6.6 12/17] linux/export: clean up the IA-64
 KSYM_FUNC macro

On Wed, Nov 22, 2023 at 4:32 PM Sasha Levin <sashal@...nel.org> wrote:
>
> From: Lukas Bulwahn <lukas.bulwahn@...il.com>
>
> [ Upstream commit 9e0be3f50c0e8517d0238b62409c20bcb8cd8785 ]
>
> With commit cf8e8658100d ("arch: Remove Itanium (IA-64) architecture"),
> there is no need to keep the IA-64 definition of the KSYM_FUNC macro.
>
> Clean up the IA-64 definition of the KSYM_FUNC macro.
>
> Signed-off-by: Lukas Bulwahn <lukas.bulwahn@...il.com>
> Reviewed-by: Nathan Chancellor <nathan@...nel.org>
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---

I am a bit surprised that this is picked up for v6.6. This commit only
makes sense after IA-64 architecture is removed and I do not think we
want to backport that change to v6.6. So, this change here should not
be backported as well.

Lukas

>  include/linux/export-internal.h | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/include/linux/export-internal.h b/include/linux/export-internal.h
> index 45fca09b23194..69501e0ec239f 100644
> --- a/include/linux/export-internal.h
> +++ b/include/linux/export-internal.h
> @@ -50,9 +50,7 @@
>             "   .previous"                                              "\n"    \
>         )
>
> -#ifdef CONFIG_IA64
> -#define KSYM_FUNC(name)                @fptr(name)
> -#elif defined(CONFIG_PARISC) && defined(CONFIG_64BIT)
> +#if defined(CONFIG_PARISC) && defined(CONFIG_64BIT)
>  #define KSYM_FUNC(name)                P%name
>  #else
>  #define KSYM_FUNC(name)                name
> --
> 2.42.0
>