1 #ifndef _ASM_S390_JUMP_LABEL_H
2 #define _ASM_S390_JUMP_LABEL_H
4 #include <linux/types.h>
6 #define JUMP_LABEL_NOP_SIZE 6
9 #define ASM_PTR ".quad"
10 #define ASM_ALIGN ".balign 8"
12 #define ASM_PTR ".long"
13 #define ASM_ALIGN ".balign 4"
16 static __always_inline bool arch_static_branch(struct static_key *key)
18 asm_volatile_goto("0: brcl 0,0\n"
19 ".pushsection __jump_table, \"aw\"\n"
21 ASM_PTR " 0b, %l[label], %0\n"
23 : : "X" (key) : : label);
29 typedef unsigned long jump_label_t;