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authorMarco Elver <elver@google.com>2019-11-14 19:03:03 +0100
committerPaul E. McKenney <paulmck@kernel.org>2019-11-16 07:23:16 -0800
commit40d04110f87940b6a03bf0aa19cd29e84f465f20 (patch)
tree85a7f42366dc040bad8e13608ce21c01d0a2222f /arch/x86/entry/vdso/Makefile
parente75a6795ed132f26f69d08dea958630d5993056d (diff)
x86, kcsan: Enable KCSAN for x86
This patch enables KCSAN for x86, with updates to build rules to not use KCSAN for several incompatible compilation units. Signed-off-by: Marco Elver <elver@google.com> Acked-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'arch/x86/entry/vdso/Makefile')
-rw-r--r--arch/x86/entry/vdso/Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 0f2154106d01..a23debaad5b9 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -10,8 +10,11 @@ ARCH_REL_TYPE_ABS += R_386_GLOB_DAT|R_386_JMP_SLOT|R_386_RELATIVE
include $(srctree)/lib/vdso/Makefile
KBUILD_CFLAGS += $(DISABLE_LTO)
+
+# Sanitizer runtimes are unavailable and cannot be linked here.
KASAN_SANITIZE := n
UBSAN_SANITIZE := n
+KCSAN_SANITIZE := n
OBJECT_FILES_NON_STANDARD := y
# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.