From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
stfle will be needed by the ap_bus module to figure out wether the AP
queue adapter interruption facility is installed.
Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
---
arch/s390/include/asm/system.h | 20 ++++++++++++++++++--
arch/s390/kernel/setup.c | 17 -----------------
2 files changed, 18 insertions(+), 19 deletions(-)
Index: quilt-2.6/arch/s390/include/asm/system.h
===================================================================
--- quilt-2.6.orig/arch/s390/include/asm/system.h
+++ quilt-2.6/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;
Index: quilt-2.6/arch/s390/kernel/setup.c
===================================================================
--- quilt-2.6.orig/arch/s390/kernel/setup.c
+++ quilt-2.6/arch/s390/kernel/setup.c
@@ -651,23 +651,6 @@ setup_memory(void)
#endif
}
-static int __init __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;
-}
-
-int __init stfle(unsigned long long *list, int doublewords)
-{
- if (!(stfl() & (1UL << 24)))
- return -EOPNOTSUPP;
- return __stfle(list, doublewords);
-}
-
/*
* Setup hardware capabilities.
*/
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
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