Re: [PATCH] kbuild: remove unused OBJSIZE
From: Nathan Chancellor
Date: Fri Oct 23 2020 - 14:18:11 EST
On Fri, Oct 23, 2020 at 01:57:32PM +0200, Vasily Gorbik wrote:
> The "size" tool has been solely used by s390 to enforce .bss section usage
> restrictions in early startup code. Since commit 980d5f9ab36b ("s390/boot:
> enable .bss section for compressed kernel") and commit 2e83e0eb85ca
> ("s390: clean .bss before running uncompressed kernel") these restrictions
> have been lifted for the decompressor and uncompressed kernel and the
> size tool is now unused.
>
> Signed-off-by: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
Thanks for the patch!
> ---
> Documentation/kbuild/llvm.rst | 5 ++---
> Makefile | 4 +---
> 2 files changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/Documentation/kbuild/llvm.rst b/Documentation/kbuild/llvm.rst
> index cf3ca236d2cc..21c847890d03 100644
> --- a/Documentation/kbuild/llvm.rst
> +++ b/Documentation/kbuild/llvm.rst
> @@ -57,9 +57,8 @@ to enable them. ::
> They can be enabled individually. The full list of the parameters: ::
>
> make CC=clang LD=ld.lld AR=llvm-ar NM=llvm-nm STRIP=llvm-strip \
> - OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump OBJSIZE=llvm-size \
> - READELF=llvm-readelf HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar \
> - HOSTLD=ld.lld
> + OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump READELF=llvm-readelf \
> + HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar HOSTLD=ld.lld
>
> Currently, the integrated assembler is disabled by default. You can pass
> ``LLVM_IAS=1`` to enable it.
> diff --git a/Makefile b/Makefile
> index d35a59f98e83..d2123c2c829a 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -433,7 +433,6 @@ NM = llvm-nm
> OBJCOPY = llvm-objcopy
> OBJDUMP = llvm-objdump
> READELF = llvm-readelf
> -OBJSIZE = llvm-size
> STRIP = llvm-strip
> else
> CC = $(CROSS_COMPILE)gcc
> @@ -443,7 +442,6 @@ NM = $(CROSS_COMPILE)nm
> OBJCOPY = $(CROSS_COMPILE)objcopy
> OBJDUMP = $(CROSS_COMPILE)objdump
> READELF = $(CROSS_COMPILE)readelf
> -OBJSIZE = $(CROSS_COMPILE)size
> STRIP = $(CROSS_COMPILE)strip
> endif
> PAHOLE = pahole
> @@ -509,7 +507,7 @@ KBUILD_LDFLAGS :=
> CLANG_FLAGS :=
>
> export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC
> -export CPP AR NM STRIP OBJCOPY OBJDUMP OBJSIZE READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL
> +export CPP AR NM STRIP OBJCOPY OBJDUMP READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL
> export PERL PYTHON PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
> export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD
> export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE
> --
> 2.25.4