[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 (file)
--- 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 @@ 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;

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 3fe1680..8d8957b 100644 (file)
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -87,7 +87,6 @@ unsigned long elf_hwcap = 0;
 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 (file)
--- 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 (file)
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -114,7 +114,7 @@ static void add_cpus_to_core(struct tl_cpu *tl_cpu, struct core_info *core)
 
                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 (file)
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -34,7 +34,7 @@ static inline void _raw_yield_cpu(int cpu)
 {
        if (MACHINE_HAS_DIAG9C)
                asm volatile("diag %0,0,0x9c"
-                            : : "d" (__cpu_logical_map[cpu]));
+                            : : "d" (cpu_logical_map(cpu)));
        else
                _raw_yield();
 }