[patch V4 part 1 19/36] x86/entry: Exclude low level entry code fromsanitizing

[Thomas Gleixner]

The sanitizers are not really applicable to the fragile low level entry
code. code. Entry code needs to carefully setup a normal 'runtime'
environment.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 arch/x86/entry/Makefile |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/arch/x86/entry/Makefile
+++ b/arch/x86/entry/Makefile
@@ -3,6 +3,14 @@
 # Makefile for the x86 low level entry code
 #
 
+KASAN_SANITIZE := n
+UBSAN_SANITIZE := n
+KCOV_INSTRUMENT := n
+
+CFLAGS_REMOVE_common.o = $(CC_FLAGS_FTRACE) -fstack-protector -fstack-protector-strong
+CFLAGS_REMOVE_syscall_32.o = $(CC_FLAGS_FTRACE) -fstack-protector -fstack-protector-strong
+CFLAGS_REMOVE_syscall_64.o = $(CC_FLAGS_FTRACE) -fstack-protector -fstack-protector-strong
+
 OBJECT_FILES_NON_STANDARD_entry_64_compat.o := y
 
 CFLAGS_syscall_64.o		+= $(call cc-option,-Wno-override-init,)