[S390] Move stfle to header file.

[linux-2.6-omap-h63xx.git] / arch / s390 / include / asm / system.h

diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
index 819e7d99ca0c4b0180c4909f0c911c7a810a9988..c17a3cfbe242bf5e8d0f40c082d91a99efaec878 100644 (file)
--- a/arch/s390/include/asm/system.h
+++ b/arch/s390/include/asm/system.h
@@ -12,6 +12,7 @@
 #define __ASM_SYSTEM_H
 
 #include <linux/kernel.h>
+#include <linux/errno.h>
 #include <asm/types.h>
 #include <asm/ptrace.h>
 #include <asm/setup.h>
@@ -413,8 +414,6 @@ __set_psw_mask(unsigned long mask)
 #define local_mcck_enable()  __set_psw_mask(psw_kernel_bits)
 #define local_mcck_disable() __set_psw_mask(psw_kernel_bits & ~PSW_MASK_MCHECK)
 
-int stfle(unsigned long long *list, int doublewords);
-
 #ifdef CONFIG_SMP
 
 extern void smp_ctl_set_bit(int cr, int bit);
@@ -438,6 +437,23 @@ static inline unsigned int stfl(void)
        return S390_lowcore.stfl_fac_list;
 }
 
+static inline int __stfle(unsigned long long *list, int doublewords)
+{
+       typedef struct { unsigned long long _[doublewords]; } addrtype;
+       register unsigned long __nr asm("0") = doublewords - 1;
+
+       asm volatile(".insn s,0xb2b00000,%0" /* stfle */
+                    : "=m" (*(addrtype *) list), "+d" (__nr) : : "cc");
+       return __nr + 1;
+}
+
+static inline int stfle(unsigned long long *list, int doublewords)
+{
+       if (!(stfl() & (1UL << 24)))
+               return -EOPNOTSUPP;
+       return __stfle(list, doublewords);
+}
+
 static inline unsigned short stap(void)
 {
        unsigned short cpu_address;