} __packed;
struct insn_args {
- unsigned long *target;
- struct insn *insn;
- ssize_t size;
+ struct jump_entry *entry;
+ enum jump_label_type type;
};
-static int __arch_jump_label_transform(void *data)
+static void __jump_label_transform(struct jump_entry *entry,
+ enum jump_label_type type)
{
- struct insn_args *args = data;
- int rc;
-
- rc = probe_kernel_write(args->target, args->insn, args->size);
- WARN_ON_ONCE(rc < 0);
- return 0;
-}
-
-void arch_jump_label_transform(struct jump_entry *entry,
- enum jump_label_type type)
-{
- struct insn_args args;
struct insn insn;
+ int rc;
if (type == JUMP_LABEL_ENABLE) {
/* brcl 15,offset */
insn.offset = 0;
}
- args.target = (void *) entry->code;
- args.insn = &insn;
- args.size = JUMP_LABEL_NOP_SIZE;
+ rc = probe_kernel_write((void *)entry->code, &insn, JUMP_LABEL_NOP_SIZE);
+ WARN_ON_ONCE(rc < 0);
+}
- stop_machine(__arch_jump_label_transform, &args, NULL);
+static int __sm_arch_jump_label_transform(void *data)
+{
+ struct insn_args *args = data;
+
+ __jump_label_transform(args->entry, args->type);
+ return 0;
+}
+
+void arch_jump_label_transform(struct jump_entry *entry,
+ enum jump_label_type type)
+{
+ struct insn_args args;
+
+ args.entry = entry;
+ args.type = type;
+
+ stop_machine(__sm_arch_jump_label_transform, &args, NULL);
+}
+
+void arch_jump_label_transform_static(struct jump_entry *entry,
+ enum jump_label_type type)
+{
+ __jump_label_transform(entry, type);
}
#endif