linux-kernel - Re: [PATCH 1/2] kbuild: add OBJSIZE variable for the size tool

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Message-ID: <CAK7LNATL8aGReDm+BYk74tH1EdK1NKVgaWF6sJ7m1NtBL1kqkw@mail.gmail.com>
Date:   Wed, 7 Aug 2019 11:32:04 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Vasily Gorbik <gor@...ux.ibm.com>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] kbuild: add OBJSIZE variable for the size tool

Hi.

On Tue, Aug 6, 2019 at 7:56 PM Vasily Gorbik <gor@...ux.ibm.com> wrote:
>
> Define and export OBJSIZE variable for "size" tool from binutils to be
> used in architecture specific Makefiles (naming the variable just "SIZE"
> would be too risky). In particular this tool is useful to perform checks
> that early boot code is not using bss section (which might have not been
> zeroed yet or intersects with initrd or other files boot loader might
> have put right after the linux kernel).
>
> Signed-off-by: Vasily Gorbik <gor@...ux.ibm.com>

I think you want to apply both to the s390 tree. If so,

Acked-by: Masahiro Yamada <yamada.masahiro@...ionext.com>

Thanks.

> ---
>  Makefile | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/Makefile b/Makefile
> index fa0fbe7851ea..ff4cff29fe46 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -419,6 +419,7 @@ NM          = $(CROSS_COMPILE)nm
>  STRIP          = $(CROSS_COMPILE)strip
>  OBJCOPY                = $(CROSS_COMPILE)objcopy
>  OBJDUMP                = $(CROSS_COMPILE)objdump
> +OBJSIZE                = $(CROSS_COMPILE)size
>  PAHOLE         = pahole
>  LEX            = flex
>  YACC           = bison
> @@ -474,9 +475,9 @@ KBUILD_LDFLAGS :=
>  GCC_PLUGINS_CFLAGS :=
>
>  export ARCH SRCARCH CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC
> -export CPP AR NM STRIP OBJCOPY OBJDUMP PAHOLE KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
> -export MAKE LEX YACC AWK INSTALLKERNEL PERL PYTHON PYTHON2 PYTHON3 UTS_MACHINE
> -export HOSTCXX KBUILD_HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
> +export CPP AR NM STRIP OBJCOPY OBJDUMP OBJSIZE PAHOLE LEX YACC AWK INSTALLKERNEL
> +export PERL PYTHON PYTHON2 PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
> +export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE
>
>  export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS
>  export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE
> --
> 2.21.0
>


-- 
Best Regards
Masahiro Yamada