From ca04ddbf537d30b25f6e240b70f19be35fac4313 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Fri, 24 Jan 2014 13:03:42 +0100
Subject: s390/setup: get rid of MACHINE_HAS_MVCOS machine flag

MACHINE_HAS_MVCOS is used exactly once when the machine is brought up.
There is no need to cache the flag in the machine_flags.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 arch/s390/lib/uaccess_mvcos.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'arch/s390/lib')

diff --git a/arch/s390/lib/uaccess_mvcos.c b/arch/s390/lib/uaccess_mvcos.c
index 8c01f3aaf95c..e2685ff2ec4b 100644
--- a/arch/s390/lib/uaccess_mvcos.c
+++ b/arch/s390/lib/uaccess_mvcos.c
@@ -10,6 +10,7 @@
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/mm.h>
+#include <asm/facility.h>
 #include <asm/uaccess.h>
 #include <asm/futex.h>
 #include "uaccess.h"
@@ -242,7 +243,7 @@ EXPORT_SYMBOL(__strncpy_from_user);
 
 static int __init uaccess_init(void)
 {
-	if (!MACHINE_HAS_MVCOS)
+	if (IS_ENABLED(CONFIG_32BIT) || !test_facility(27))
 		static_key_slow_dec(&have_mvcos);
 	return 0;
 }
-- 
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