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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-01-25 14:52:48 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-01-25 14:52:48 +0000
commitf1487fcbe47cd2bc0c71e8598bf9eb6a82dec544 (patch)
tree4c7abed6047538c13dd024a8ecffd15f31b4609a /arch/s390/include/asm/sigp.h
parent84549d239ab9bb2e3a85c6efcf0e6478a38b4260 (diff)
parent40aa7030e5213a43e9e0554fd7f95534ea310bf3 (diff)
downloadop-kernel-dev-f1487fcbe47cd2bc0c71e8598bf9eb6a82dec544.zip
op-kernel-dev-f1487fcbe47cd2bc0c71e8598bf9eb6a82dec544.tar.gz
Merge branch 'for-2.6.33' into for-2.6.34
Diffstat (limited to 'arch/s390/include/asm/sigp.h')
-rw-r--r--arch/s390/include/asm/sigp.h20
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index ec403d4..f72d611 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -15,11 +15,19 @@
#ifndef __SIGP__
#define __SIGP__
-#include <asm/ptrace.h>
-#include <asm/atomic.h>
+#include <asm/system.h>
/* get real cpu address from logical cpu number */
-extern volatile int __cpu_logical_map[];
+extern int __cpu_logical_map[];
+
+static inline int cpu_logical_map(int cpu)
+{
+#ifdef CONFIG_SMP
+ return __cpu_logical_map[cpu];
+#else
+ return stap();
+#endif
+}
typedef enum
{
@@ -79,7 +87,7 @@ signal_processor(__u16 cpu_addr, sigp_order_code order_code)
" ipm %0\n"
" srl %0,28\n"
: "=d" (ccode)
- : "d" (reg1), "d" (__cpu_logical_map[cpu_addr]),
+ : "d" (reg1), "d" (cpu_logical_map(cpu_addr)),
"a" (order_code) : "cc" , "memory");
return ccode;
}
@@ -98,7 +106,7 @@ signal_processor_p(__u32 parameter, __u16 cpu_addr, sigp_order_code order_code)
" ipm %0\n"
" srl %0,28\n"
: "=d" (ccode)
- : "d" (reg1), "d" (__cpu_logical_map[cpu_addr]),
+ : "d" (reg1), "d" (cpu_logical_map(cpu_addr)),
"a" (order_code) : "cc" , "memory");
return ccode;
}
@@ -118,7 +126,7 @@ signal_processor_ps(__u32 *statusptr, __u32 parameter, __u16 cpu_addr,
" ipm %0\n"
" srl %0,28\n"
: "=d" (ccode), "+d" (reg1)
- : "d" (__cpu_logical_map[cpu_addr]), "a" (order_code)
+ : "d" (cpu_logical_map(cpu_addr)), "a" (order_code)
: "cc" , "memory");
*statusptr = reg1;
return ccode;
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