From eeab78b05d202f15e58ab10675a4f736a1c9bd29 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <hca@linux.ibm.com>
Date: Fri, 5 Feb 2021 16:19:32 +0100
Subject: s390/vdso: implement generic vdso time namespace support

Implement generic vdso time namespace support which also enables time
namespaces for s390. This is quite similar to what arm64 has.

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
---
 arch/s390/include/asm/vdso.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'arch/s390/include/asm/vdso.h')

diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h
index e4ea142a082c..b45e3dddd2c2 100644
--- a/arch/s390/include/asm/vdso.h
+++ b/arch/s390/include/asm/vdso.h
@@ -7,6 +7,8 @@
 /* Default link address for the vDSO */
 #define VDSO64_LBASE	0
 
+#define __VVAR_PAGES	2
+
 #define VDSO_VERSION_STRING	LINUX_2.6.29
 
 #ifndef __ASSEMBLY__
-- 
cgit