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[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>
This commit is contained in:
Heiko Carstens 2010-01-13 20:44:37 +01:00 committed by Martin Schwidefsky
parent 957a37ad58
commit fb380aadfe
5 changed files with 18 additions and 8 deletions
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18
arch/s390/include/asm/sigp.h
View File

@ -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;

1
arch/s390/kernel/setup.c
View File

@ -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;

3
arch/s390/kernel/smp.c
View File

@ -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;

2
arch/s390/kernel/topology.c
View File

@ -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;
}

2
arch/s390/lib/spinlock.c
View File

@ -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();
}