+out:
+
+ g_ko_param.kv_major = kv_major;
+ g_ko_param.kv_minor = kv_minor;
+ g_ko_param.kv_subminor = kv_subminor;
+
+ return rc;
+}
+
+static int notrace dmpatch_init(void)
+{
+ int rc = 0;
+ u64 msr = 0;
+
+ if (g_ko_param.ibt == 0x8888)
+ {
+ msr = dmpatch_ibt_save();
+ }
+
+ kprintf = (printk_pf)(g_ko_param.printk_addr);
+
+ vdebug("dmpatch_init start pagesize=%lu kernel=%lu.%lu.%lu ...\n",
+ g_ko_param.pgsize, g_ko_param.kv_major, g_ko_param.kv_minor, g_ko_param.kv_subminor);
+
+ if (g_ko_param.struct_size != sizeof(ko_param))
+ {
+ vdebug("Invalid struct size %d %d\n", (int)g_ko_param.struct_size, (int)sizeof(ko_param));
+ return -EINVAL;
+ }
+
+ if (g_ko_param.sym_get_addr == 0 || g_ko_param.sym_put_addr == 0 ||
+ g_ko_param.ro_addr == 0 || g_ko_param.rw_addr == 0)
+ {
+ return -EINVAL;
+ }
+
+ set_mem_ro = (set_memory_attr_pf)(g_ko_param.ro_addr);
+ set_mem_rw = (set_memory_attr_pf)(g_ko_param.rw_addr);
+ reg_kprobe = (kprobe_reg_pf)g_ko_param.reg_kprobe_addr;
+ unreg_kprobe = (kprobe_unreg_pf)g_ko_param.unreg_kprobe_addr;
+
+ rc = dmpatch_process(g_ko_param.kv_major, g_ko_param.kv_minor, g_ko_param.kv_subminor);
+ if (rc)
+ {
+ if (g_ko_param.kv_major >= 5)
+ {
+ rc = dmpatch_process(6, 5, 0);
+ if (rc)
+ {
+ rc = dmpatch_process(6, 7, 0);
+ }
+ }
+ }
+