X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fs390%2Fsysinfo.c;h=19343f9675c31ba368c0f57d2ebfd66de06cf625;hb=04c71976500352d02f60616d2b960267d8c5fe24;hp=090743d2f914aec39990cdca66f40455df512450;hpb=d3f8fd765e94b9137e1f27bbb0ac25289f9e565c;p=linux-2.6

diff --git a/drivers/s390/sysinfo.c b/drivers/s390/sysinfo.c
index 090743d2f9..19343f9675 100644
--- a/drivers/s390/sysinfo.c
+++ b/drivers/s390/sysinfo.c
@@ -357,6 +357,24 @@ static __init int create_proc_sysinfo(void)
 
 __initcall(create_proc_sysinfo);
 
+int get_cpu_capability(unsigned int *capability)
+{
+	struct sysinfo_1_2_2 *info;
+	int rc;
+
+	info = (void *) get_zeroed_page(GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+	rc = stsi(info, 1, 2, 2);
+	if (rc == -ENOSYS)
+		goto out;
+	rc = 0;
+	*capability = info->capability;
+out:
+	free_page((unsigned long) info);
+	return rc;
+}
+
 /*
  * CPU capability might have changed. Therefore recalculate loops_per_jiffy.
  */