diff options
Diffstat (limited to 'arch/s390/lib/uaccess.c')
| -rw-r--r-- | arch/s390/lib/uaccess.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c index 23f866b4c7f1..53dd5d7a0c96 100644 --- a/arch/s390/lib/uaccess.c +++ b/arch/s390/lib/uaccess.c @@ -76,7 +76,7 @@ static inline unsigned long copy_from_user_mvcp(void *x, const void __user *ptr, { unsigned long tmp1, tmp2; - update_primary_asce(current); + load_kernel_asce(); tmp1 = -256UL; asm volatile( " sacf 0\n" @@ -159,7 +159,7 @@ static inline unsigned long copy_to_user_mvcs(void __user *ptr, const void *x, { unsigned long tmp1, tmp2; - update_primary_asce(current); + load_kernel_asce(); tmp1 = -256UL; asm volatile( " sacf 0\n" @@ -225,7 +225,7 @@ static inline unsigned long copy_in_user_mvc(void __user *to, const void __user { unsigned long tmp1; - update_primary_asce(current); + load_kernel_asce(); asm volatile( " sacf 256\n" " "AHI" %0,-1\n" @@ -292,7 +292,7 @@ static inline unsigned long clear_user_xc(void __user *to, unsigned long size) { unsigned long tmp1, tmp2; - update_primary_asce(current); + load_kernel_asce(); asm volatile( " sacf 256\n" " "AHI" %0,-1\n" @@ -338,9 +338,6 @@ static inline unsigned long strnlen_user_srst(const char __user *src, register unsigned long reg0 asm("0") = 0; unsigned long tmp1, tmp2; - if (unlikely(!size)) - return 0; - update_primary_asce(current); asm volatile( " la %2,0(%1)\n" " la %3,0(%0,%1)\n" @@ -359,7 +356,9 @@ static inline unsigned long strnlen_user_srst(const char __user *src, unsigned long __strnlen_user(const char __user *src, unsigned long size) { - update_primary_asce(current); + if (unlikely(!size)) + return 0; + load_kernel_asce(); return strnlen_user_srst(src, size); } EXPORT_SYMBOL(__strnlen_user); |