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Diffstat (limited to 'arch/s390/lib/uaccess.c')
-rw-r--r--arch/s390/lib/uaccess.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c
index 0d002a746bec..ae4de559e3a0 100644
--- a/arch/s390/lib/uaccess.c
+++ b/arch/s390/lib/uaccess.c
@@ -15,7 +15,7 @@
#include <asm/mmu_context.h>
#include <asm/facility.h>
-static struct static_key have_mvcos = STATIC_KEY_INIT_FALSE;
+static DEFINE_STATIC_KEY_FALSE(have_mvcos);
static inline unsigned long copy_from_user_mvcos(void *x, const void __user *ptr,
unsigned long size)
@@ -104,7 +104,7 @@ static inline unsigned long copy_from_user_mvcp(void *x, const void __user *ptr,
unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n)
{
- if (static_key_false(&have_mvcos))
+ if (static_branch_likely(&have_mvcos))
return copy_from_user_mvcos(to, from, n);
return copy_from_user_mvcp(to, from, n);
}
@@ -177,7 +177,7 @@ static inline unsigned long copy_to_user_mvcs(void __user *ptr, const void *x,
unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n)
{
- if (static_key_false(&have_mvcos))
+ if (static_branch_likely(&have_mvcos))
return copy_to_user_mvcos(to, from, n);
return copy_to_user_mvcs(to, from, n);
}
@@ -240,7 +240,7 @@ static inline unsigned long copy_in_user_mvc(void __user *to, const void __user
unsigned long __copy_in_user(void __user *to, const void __user *from, unsigned long n)
{
- if (static_key_false(&have_mvcos))
+ if (static_branch_likely(&have_mvcos))
return copy_in_user_mvcos(to, from, n);
return copy_in_user_mvc(to, from, n);
}
@@ -312,7 +312,7 @@ static inline unsigned long clear_user_xc(void __user *to, unsigned long size)
unsigned long __clear_user(void __user *to, unsigned long size)
{
- if (static_key_false(&have_mvcos))
+ if (static_branch_likely(&have_mvcos))
return clear_user_mvcos(to, size);
return clear_user_xc(to, size);
}
@@ -373,7 +373,7 @@ EXPORT_SYMBOL(__strncpy_from_user);
static int __init uaccess_init(void)
{
if (test_facility(27))
- static_key_slow_inc(&have_mvcos);
+ static_branch_enable(&have_mvcos);
return 0;
}
early_initcall(uaccess_init);