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Diffstat (limited to 'arch/s390/include/asm/dis.h')
-rw-r--r--arch/s390/include/asm/dis.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/include/asm/dis.h b/arch/s390/include/asm/dis.h
index 4d0dffc..04a83f5 100644
--- a/arch/s390/include/asm/dis.h
+++ b/arch/s390/include/asm/dis.h
@@ -42,5 +42,11 @@ static inline int insn_length(unsigned char code)
void show_code(struct pt_regs *regs);
void print_fn_code(unsigned char *code, unsigned long len);
int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len);
+struct s390_insn *find_insn(unsigned char *code);
+
+static inline int is_known_insn(unsigned char *code)
+{
+ return !!find_insn(code);
+}
#endif /* __ASM_S390_DIS_H__ */