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Diffstat (limited to 'arch/arm64/include/asm/asm-extable.h')
-rw-r--r--arch/arm64/include/asm/asm-extable.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/asm-extable.h b/arch/arm64/include/asm/asm-extable.h
index b8a5861dc7b7..292f2687a12e 100644
--- a/arch/arm64/include/asm/asm-extable.h
+++ b/arch/arm64/include/asm/asm-extable.h
@@ -9,7 +9,8 @@
#define EX_TYPE_BPF 1
#define EX_TYPE_UACCESS_ERR_ZERO 2
#define EX_TYPE_KACCESS_ERR_ZERO 3
-#define EX_TYPE_LOAD_UNALIGNED_ZEROPAD 4
+#define EX_TYPE_UACCESS_CPY 4
+#define EX_TYPE_LOAD_UNALIGNED_ZEROPAD 5
/* Data fields for EX_TYPE_UACCESS_ERR_ZERO */
#define EX_DATA_REG_ERR_SHIFT 0
@@ -23,6 +24,9 @@
#define EX_DATA_REG_ADDR_SHIFT 5
#define EX_DATA_REG_ADDR GENMASK(9, 5)
+/* Data fields for EX_TYPE_UACCESS_CPY */
+#define EX_DATA_UACCESS_WRITE BIT(0)
+
#ifdef __ASSEMBLY__
#define __ASM_EXTABLE_RAW(insn, fixup, type, data) \
@@ -69,6 +73,10 @@
.endif
.endm
+ .macro _asm_extable_uaccess_cpy, insn, fixup, uaccess_is_write
+ __ASM_EXTABLE_RAW(\insn, \fixup, EX_TYPE_UACCESS_CPY, \uaccess_is_write)
+ .endm
+
#else /* __ASSEMBLY__ */
#include <linux/stringify.h>