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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-01-17 19:02:44 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-01-28 09:11:17 +0900 |
| commit | b79c6aa6a1f111eab2fc08b92541c9e88824be72 (patch) | |
| tree | d078e5aa6b60780e734387dd5a604bc057e5045f /scripts/Makefile.build | |
| parent | afa974b771281fd89e8fdcb71152152f17fb8303 (diff) | |
| download | lwn-b79c6aa6a1f111eab2fc08b92541c9e88824be72.tar.gz lwn-b79c6aa6a1f111eab2fc08b92541c9e88824be72.zip | |
kbuild: remove unnecessary in-subshell execution
The commands surrounded by ( ) are executed in a subshell, but in
most cases, we do not need to spawn an extra subshell.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/Makefile.build')
| -rw-r--r-- | scripts/Makefile.build | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 9800178fdcd2..f8e2794107ed 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -312,11 +312,11 @@ $(real-obj-m:.o=.s): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE) # # These mirror gensymtypes_c and co above, keep them in synch. cmd_gensymtypes_S = \ - (echo "\#include <linux/kernel.h>" ; \ + { echo "\#include <linux/kernel.h>" ; \ echo "\#include <asm/asm-prototypes.h>" ; \ $(CPP) $(a_flags) $< | \ grep "\<___EXPORT_SYMBOL\>" | \ - sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/' ) | \ + sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/' ; } | \ $(CPP) -D__GENKSYMS__ $(c_flags) -xc - | \ $(GENKSYMS) $(if $(1), -T $(2)) \ $(patsubst y,-R,$(CONFIG_MODULE_REL_CRCS)) \ |