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linux-sg2042
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kbuild: exploit parallel building for CONFIG_HEADERS_CHECK 

When CONFIG_HEADERS_CHECK is enabled, the headers_check is executed
as a serialized task in the vmlinux recipe.

Make it independent of vmlinux so that parallel building can process
the headers_check and other build targets simultaneously.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2018-12-05 16:38:35 +09:00
parent 5e34bd1d54
commit 257edce66d
1 changed files with 4 additions and 3 deletions
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7
Makefile
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@ -1035,9 +1035,6 @@ cmd_link-vmlinux = \
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE
ifdef CONFIG_HEADERS_CHECK
$(Q)$(MAKE) -f $(srctree)/Makefile headers_check
endif
ifdef CONFIG_GDB_SCRIPTS ifdef CONFIG_GDB_SCRIPTS
$(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py) $(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py)
endif endif
@ -1208,6 +1205,10 @@ headers_check: headers_install
$(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include HDRCHECK=1 $(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include HDRCHECK=1
$(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi $(hdr-dst) HDRCHECK=1 $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi $(hdr-dst) HDRCHECK=1
ifdef CONFIG_HEADERS_CHECK
all: headers_check
endif
# --------------------------------------------------------------------------- # ---------------------------------------------------------------------------
# Kernel selftest # Kernel selftest