From 527618abb92793b9d4dba548d55822dcebd95317 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <hca@linux.ibm.com>
Date: Mon, 11 Sep 2023 21:40:04 +0200
Subject: s390/ctlreg: add struct ctlreg

Add struct ctlreg to enforce strict type checking / usage for control
register functions.

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/pgtable.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index fb3ee7758b76..601e87fa8a9a 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -18,6 +18,7 @@
 #include <linux/radix-tree.h>
 #include <linux/atomic.h>
 #include <asm/sections.h>
+#include <asm/ctlreg.h>
 #include <asm/bug.h>
 #include <asm/page.h>
 #include <asm/uv.h>
@@ -25,7 +26,7 @@
 extern pgd_t swapper_pg_dir[];
 extern pgd_t invalid_pg_dir[];
 extern void paging_init(void);
-extern unsigned long s390_invalid_asce;
+extern struct ctlreg s390_invalid_asce;
 
 enum {
 	PG_DIRECT_MAP_4K = 0,
-- 
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