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authorDavid S. Miller <davem@davemloft.net>2010-02-17 16:20:14 -0800
committerDavid S. Miller <davem@davemloft.net>2010-02-17 16:20:14 -0800
commit8c2fcadc933f713d51f46ec4dcd9b12830e0df84 (patch)
treee0797b2db664d702f9d02dd0f45efddb2f0d7fe9 /arch/s390/include/asm/sigp.h
parent232486e1e9f34889424b68ee6270440b554479a2 (diff)
parentb0483e78e5c4c9871fc5541875b3bc006846d46b (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
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 ec403d4304f..f72d611f7e1 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;