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* [PATCH] kbuild: add -Wvla flag unconditionally
@ 2019-05-09  6:45 Masahiro Yamada
  2019-05-09  7:07 ` Sedat Dilek
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Masahiro Yamada @ 2019-05-09  6:45 UTC (permalink / raw)
  To: linux-kbuild
  Cc: Nick Desaulniers, Nathan Chancellor, Arnd Bergmann,
	clang-built-linux, Masahiro Yamada, Michal Marek, linux-kernel

This flag is documented in the GCC 4.6 manual, and recognized by
Clang as well. Let's rip off the cc-option switch.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c71ffb6f55b5..3f5e8a0f4561 100644
--- a/Makefile
+++ b/Makefile
@@ -841,7 +841,7 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
 KBUILD_CFLAGS += -Wdeclaration-after-statement
 
 # Variable Length Arrays (VLAs) should not be used anywhere in the kernel
-KBUILD_CFLAGS += $(call cc-option,-Wvla)
+KBUILD_CFLAGS += -Wvla
 
 # disable pointer signed / unsigned warnings in gcc 4.0
 KBUILD_CFLAGS += -Wno-pointer-sign
-- 
2.17.1


^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2019-05-13  2:24 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-05-09  6:45 [PATCH] kbuild: add -Wvla flag unconditionally Masahiro Yamada
2019-05-09  7:07 ` Sedat Dilek
2019-05-09 11:16 ` Nathan Chancellor
2019-05-09 16:11 ` Kees Cook
2019-05-09 16:51   ` Nick Desaulniers
2019-05-13  2:23     ` Masahiro Yamada

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