lkml.org 
[lkml]   [2018]   [Mar]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] x86/build: drop a superfluous macro
From
Date
ping?

On 03/16/2018 04:49 PM, Cao jin wrote:
> Some .<target>.cmd files under arch/x86 report -D__KERNEL__ appears two
> times in the command line, like arch/x86/boot, arch/x86/realmode/rm.
> It is already defined in KBUILD_CPPFLAGS from top Makefile. so it can be
> dropped saftely from these Makefiles.
>
> Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
> ---
> arch/x86/Makefile | 3 +--
> arch/x86/boot/compressed/Makefile | 2 +-
> 2 files changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/arch/x86/Makefile b/arch/x86/Makefile
> index a20eacd9c7e9..592489a15d94 100644
> --- a/arch/x86/Makefile
> +++ b/arch/x86/Makefile
> @@ -31,8 +31,7 @@ endif
> CODE16GCC_CFLAGS := -m32 -Wa,$(srctree)/arch/x86/boot/code16gcc.h
> M16_CFLAGS := $(call cc-option, -m16, $(CODE16GCC_CFLAGS))
>
> -REALMODE_CFLAGS := $(M16_CFLAGS) -g -Os -D__KERNEL__ \
> - -DDISABLE_BRANCH_PROFILING \
> +REALMODE_CFLAGS := $(M16_CFLAGS) -g -Os -DDISABLE_BRANCH_PROFILING \
> -Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
> -fno-strict-aliasing -fomit-frame-pointer -fno-pic \
> -mno-mmx -mno-sse
> diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
> index 4b7575b00563..78e3400c22d7 100644
> --- a/arch/x86/boot/compressed/Makefile
> +++ b/arch/x86/boot/compressed/Makefile
> @@ -26,7 +26,7 @@ KCOV_INSTRUMENT := n
> targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
> vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4
>
> -KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ -O2
> +KBUILD_CFLAGS := -m$(BITS) -O2
> KBUILD_CFLAGS += -fno-strict-aliasing $(call cc-option, -fPIE, -fPIC)
> KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
> cflags-$(CONFIG_X86_32) := -march=i386
>

--
Sincerely,
Cao jin


\
 
 \ /
  Last update: 2018-03-29 03:44    [W:0.055 / U:0.548 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site