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Subject[RFC/PATCH RESEND -next 04/21] x86: boot: vdso: disable instrumentation for code not linked with kernel
Date
To avoid build errors, compiler's instrumentation must be disabled
for code not linked with kernel image.

Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
---
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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