diff mbox series

kbuild: exploit parallel building for CONFIG_HEADERS_CHECK

Message ID 1543995515-25178-1-git-send-email-yamada.masahiro@socionext.com
State Accepted
Commit 257edce66d31a345dff8ca9f1fd30c46e0f14058
Headers show
Series kbuild: exploit parallel building for CONFIG_HEADERS_CHECK | expand

Commit Message

Masahiro Yamada Dec. 5, 2018, 7:38 a.m. UTC 
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>

---

 Makefile | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

-- 
2.7.4
diff mbox series

Patch

diff --git a/Makefile b/Makefile
index 3af0379..2808a7d 100644
--- a/Makefile
+++ b/Makefile
@@ -1035,9 +1035,6 @@  cmd_link-vmlinux =                                                 \
 	$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
 
 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
 	$(Q)ln -fsn $(abspath $(srctree)/scripts/gdb/vmlinux-gdb.py)
 endif
@@ -1208,6 +1205,10 @@  headers_check: headers_install
 	$(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include HDRCHECK=1
 	$(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi $(hdr-dst) HDRCHECK=1
 
+ifdef CONFIG_HEADERS_CHECK
+all: headers_check
+endif
+
 # ---------------------------------------------------------------------------
 # Kernel selftest