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authorMichael Davidson <md@google.com>2017-04-26 01:47:35 +0300
committerMasahiro Yamada <yamada.masahiro@socionext.com>2017-04-28 03:34:33 +0300
commita37c45cd82e62a361706b9688a984a3a63957321 (patch)
treede2a13df2402f6ec7d721416ca8cecd08df6d829 /Makefile
parent433db3e260bc8134d4a46ddf20b3668937e12556 (diff)
downloadlinux-a37c45cd82e62a361706b9688a984a3a63957321.tar.xz
kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS
The Linux Kernel relies on GCC's acceptance of inline assembly as an opaque object which will not have any validation performed on the content. The current behaviour in LLVM is to perform validation of the contents by means of parsing the input if the MC layer can handle it. Disable clangs integrated assembler and use the GNU assembler instead. Wording-mostly-from: Saleem Abdulrasool <compnerd@compnerd.org> Signed-off-by: Michael Davidson <md@google.com> Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 439443176161..10d6cd348abb 100644
--- a/Makefile
+++ b/Makefile
@@ -708,6 +708,8 @@ KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
# See modpost pattern 2
KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
+KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
+KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
else
# These warnings generated too much noise in a regular build.