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-rw-r--r--arch/x86/Makefile7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index edbd0ca6206..5e7db44d709 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -72,7 +72,7 @@ endif
ifdef CONFIG_CC_STACKPROTECTOR
cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
- ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC)),y)
+ ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y)
stackp-y := -fstack-protector
stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += -fstack-protector-all
KBUILD_CFLAGS += $(stackp-y)
@@ -81,6 +81,11 @@ ifdef CONFIG_CC_STACKPROTECTOR
endif
endif
+# Don't unroll struct assignments with kmemcheck enabled
+ifeq ($(CONFIG_KMEMCHECK),y)
+ KBUILD_CFLAGS += $(call cc-option,-fno-builtin-memcpy)
+endif
+
# Stackpointer is addressed different for 32 bit and 64 bit x86
sp-$(CONFIG_X86_32) := esp
sp-$(CONFIG_X86_64) := rsp