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-rw-r--r--arch/arm64/Makefile10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 5b54f8c021d8..ab51aed6b6c1 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -18,6 +18,14 @@ ifneq ($(CONFIG_RELOCATABLE),)
LDFLAGS_vmlinux += -pie -Bsymbolic
endif
+ifeq ($(CONFIG_ARM64_ERRATUM_843419),y)
+ ifeq ($(call ld-option, --fix-cortex-a53-843419),)
+$(warning ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum)
+ else
+LDFLAGS_vmlinux += --fix-cortex-a53-843419
+ endif
+endif
+
KBUILD_DEFCONFIG := defconfig
# Check for binutils support for specific extensions
@@ -38,10 +46,12 @@ ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
KBUILD_CPPFLAGS += -mbig-endian
AS += -EB
LD += -EB
+UTS_MACHINE := aarch64_be
else
KBUILD_CPPFLAGS += -mlittle-endian
AS += -EL
LD += -EL
+UTS_MACHINE := aarch64
endif
CHECKFLAGS += -D__aarch64__