[RFC/PATCH -next 04/21] x86: boot: vdso: disable instrumentation for code not linked with kernel

[Andrey Ryabinin]

To avoid build errors, compiler's instrumentation must be disabled
for code not linked with kernel image.

Signed-off-by: Andrey Ryabinin <a.ryabinin@xxxxxxxxxxx>
---
 arch/x86/boot/Makefile            | 2 ++
 arch/x86/boot/compressed/Makefile | 2 ++
 arch/x86/realmode/Makefile        | 2 +-
 arch/x86/realmode/rm/Makefile     | 1 +
 arch/x86/vdso/Makefile            | 1 +
 5 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index dbe8dd2..9204cc0 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -14,6 +14,8 @@
 # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
 # The number is the same as you would ordinarily press at bootup.
 
+KASAN_SANITIZE := n
+
 SVGA_MODE	:= -DSVGA_MODE=NORMAL_VGA
 
 targets		:= vmlinux.bin setup.bin setup.elf bzImage
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 0fcd913..64a92b3 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -4,6 +4,8 @@
 # create a compressed vmlinux image from the original vmlinux
 #
 
+KASAN_SANITIZE := n
+
 targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
 	vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4
 
diff --git a/arch/x86/realmode/Makefile b/arch/x86/realmode/Makefile
index 94f7fbe..e02c2c6 100644
--- a/arch/x86/realmode/Makefile
+++ b/arch/x86/realmode/Makefile
@@ -6,7 +6,7 @@
 # for more details.
 #
 #
-
+KASAN_SANITIZE := n
 subdir- := rm
 
 obj-y += init.o
diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile
index 7c0d7be..2730d77 100644
--- a/arch/x86/realmode/rm/Makefile
+++ b/arch/x86/realmode/rm/Makefile
@@ -6,6 +6,7 @@
 # for more details.
 #
 #
+KASAN_SANITIZE := n
 
 always := realmode.bin realmode.relocs
 
diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index 61b04fe..90daad6 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -3,6 +3,7 @@
 #
 
 KBUILD_CFLAGS += $(DISABLE_LTO)
+KASAN_SANITIZE := n
 
 VDSO64-$(CONFIG_X86_64)		:= y
 VDSOX32-$(CONFIG_X86_X32_ABI)	:= y
-- 
1.8.5.5

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