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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/mm/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/mm/Makefile')
-rw-r--r--arch/x86/mm/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile
index 84373dc9b341..3559f4297ee1 100644
--- a/arch/x86/mm/Makefile
+++ b/arch/x86/mm/Makefile
@@ -7,6 +7,10 @@ KCOV_INSTRUMENT_mem_encrypt_identity.o := n
KASAN_SANITIZE_mem_encrypt.o := n
KASAN_SANITIZE_mem_encrypt_identity.o := n
+# Disable KCSAN entirely, because otherwise we get warnings that some functions
+# reference __initdata sections.
+KCSAN_SANITIZE := n
+
ifdef CONFIG_FUNCTION_TRACER
CFLAGS_REMOVE_mem_encrypt.o = -pg
CFLAGS_REMOVE_mem_encrypt_identity.o = -pg