[S390] Move __cpu_logical_map to smp.c
Finally move it to the place where it belongs to and make get rid of
it for !CONFIG_SMP.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index 0cc620a..f72d611 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -15,12 +15,20 @@
#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 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
{
sigp_unassigned=0x0,
@@ -79,7 +87,7 @@
" 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 @@
" 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 @@
" 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;
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 3fe1680..8d8957b 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -87,7 +87,6 @@
char elf_platform[ELF_PLATFORM_SIZE];
struct mem_chunk __initdata memory_chunk[MEMORY_CHUNKS];
-int __cpu_logical_map[NR_CPUS]; /* logical cpu to cpu address */
int __initdata memory_end_set;
unsigned long __initdata memory_end;
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index eebce7f..76a6fdd 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -52,6 +52,9 @@
#include <asm/cpu.h>
#include "entry.h"
+/* logical cpu to cpu address */
+int __cpu_logical_map[NR_CPUS];
+
static struct task_struct *current_set[NR_CPUS];
static u8 smp_cpu_type;
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 3c72c9c..14ef6f0 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -114,7 +114,7 @@
rcpu = CPU_BITS - 1 - cpu + tl_cpu->origin;
for_each_present_cpu(lcpu) {
- if (__cpu_logical_map[lcpu] == rcpu) {
+ if (cpu_logical_map(lcpu) == rcpu) {
cpu_set(lcpu, core->mask);
smp_cpu_polarization[lcpu] = tl_cpu->pp;
}
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index 10754a3..cff327f 100644
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -34,7 +34,7 @@
{
if (MACHINE_HAS_DIAG9C)
asm volatile("diag %0,0,0x9c"
- : : "d" (__cpu_logical_map[cpu]));
+ : : "d" (cpu_logical_map(cpu)));
else
_raw_yield();
}
