linux-kernel - Re: [PATCH] export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL

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Message-ID: <CAK7LNAQHcKJLahTssT8tG6i0YM_UpM2A+vKOeeuwryx2UwVWeQ@mail.gmail.com>
Date:   Tue, 21 Aug 2018 01:12:02 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Cc:     Sam Ravnborg <sam@...nborg.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-arch <linux-arch@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        David Howells <dhowells@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        keyrings@...r.kernel.org, David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH] export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR()

2018-08-19 7:34 GMT+09:00 Masahiro Yamada <yamada.masahiro@...ionext.com>:
> With the special case handling for Blackfin and Metag was removed by
> commit 94e58e0ac312 ("export.h: remove code for prefixing symbols with
> underscore"), VMLINUX_SYMBOL() is no-no.
>
> Replace the remaining usages, then remove the definition of
> VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR().
>
> <asm-generic/vmlinux.lds.h> no longer needs to include <linux/export.h>.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---


Fixed the typo no-no -> no-op,
then applied  to linux-kbuild.


>  certs/system_certificates.S       | 16 ++++++++--------
>  include/asm-generic/vmlinux.lds.h |  2 --
>  include/linux/export.h            |  7 -------
>  usr/initramfs_data.S              |  4 ++--
>  4 files changed, 10 insertions(+), 19 deletions(-)
>
> diff --git a/certs/system_certificates.S b/certs/system_certificates.S
> index 3918ff7..8f29058 100644
> --- a/certs/system_certificates.S
> +++ b/certs/system_certificates.S
> @@ -5,8 +5,8 @@
>         __INITRODATA
>
>         .align 8
> -       .globl VMLINUX_SYMBOL(system_certificate_list)
> -VMLINUX_SYMBOL(system_certificate_list):
> +       .globl system_certificate_list
> +system_certificate_list:
>  __cert_list_start:
>  #ifdef CONFIG_MODULE_SIG
>         .incbin "certs/signing_key.x509"
> @@ -15,21 +15,21 @@ __cert_list_start:
>  __cert_list_end:
>
>  #ifdef CONFIG_SYSTEM_EXTRA_CERTIFICATE
> -       .globl VMLINUX_SYMBOL(system_extra_cert)
> +       .globl system_extra_cert
>         .size system_extra_cert, CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE
> -VMLINUX_SYMBOL(system_extra_cert):
> +system_extra_cert:
>         .fill CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE, 1, 0
>
>         .align 4
> -       .globl VMLINUX_SYMBOL(system_extra_cert_used)
> -VMLINUX_SYMBOL(system_extra_cert_used):
> +       .globl system_extra_cert_used
> +system_extra_cert_used:
>         .int 0
>
>  #endif /* CONFIG_SYSTEM_EXTRA_CERTIFICATE */
>
>         .align 8
> -       .globl VMLINUX_SYMBOL(system_certificate_list_size)
> -VMLINUX_SYMBOL(system_certificate_list_size):
> +       .globl system_certificate_list_size
> +system_certificate_list_size:
>  #ifdef CONFIG_64BIT
>         .quad __cert_list_end - __cert_list_start
>  #else
> diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
> index f173b5f..7b75ff6 100644
> --- a/include/asm-generic/vmlinux.lds.h
> +++ b/include/asm-generic/vmlinux.lds.h
> @@ -54,8 +54,6 @@
>  #define LOAD_OFFSET 0
>  #endif
>
> -#include <linux/export.h>
> -
>  /* Align . to a 8 byte boundary equals to maximum function alignment. */
>  #define ALIGN_FUNCTION()  . = ALIGN(8)
>
> diff --git a/include/linux/export.h b/include/linux/export.h
> index b768d6d..c363bde 100644
> --- a/include/linux/export.h
> +++ b/include/linux/export.h
> @@ -10,13 +10,6 @@
>   * hackers place grumpy comments in header files.
>   */
>
> -#define __VMLINUX_SYMBOL(x) x
> -#define __VMLINUX_SYMBOL_STR(x) #x
> -
> -/* Indirect, so macros are expanded before pasting. */
> -#define VMLINUX_SYMBOL(x) __VMLINUX_SYMBOL(x)
> -#define VMLINUX_SYMBOL_STR(x) __VMLINUX_SYMBOL_STR(x)
> -
>  #ifndef __ASSEMBLY__
>  struct kernel_symbol
>  {
> diff --git a/usr/initramfs_data.S b/usr/initramfs_data.S
> index b28da79..d07648f 100644
> --- a/usr/initramfs_data.S
> +++ b/usr/initramfs_data.S
> @@ -30,8 +30,8 @@ __irf_start:
>  .incbin __stringify(INITRAMFS_IMAGE)
>  __irf_end:
>  .section .init.ramfs.info,"a"
> -.globl VMLINUX_SYMBOL(__initramfs_size)
> -VMLINUX_SYMBOL(__initramfs_size):
> +.globl __initramfs_size
> +__initramfs_size:
>  #ifdef CONFIG_64BIT
>         .quad __irf_end - __irf_start
>  #else
> --
> 2.7.4
>



-- 
Best Regards
Masahiro Yamada