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-rw-r--r--arch/arm/mach-shmobile/platsmp.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c
index f3888fe..c49a833 100644
--- a/arch/arm/mach-shmobile/platsmp.c
+++ b/arch/arm/mach-shmobile/platsmp.c
@@ -21,9 +21,11 @@
#include <asm/mach-types.h>
#include <mach/common.h>
+#define is_sh73a0() (machine_is_ag5evm() || machine_is_kota2())
+
static unsigned int __init shmobile_smp_get_core_count(void)
{
- if (machine_is_ag5evm())
+ if (is_sh73a0())
return sh73a0_get_core_count();
return 1;
@@ -31,7 +33,7 @@ static unsigned int __init shmobile_smp_get_core_count(void)
static void __init shmobile_smp_prepare_cpus(void)
{
- if (machine_is_ag5evm())
+ if (is_sh73a0())
sh73a0_smp_prepare_cpus();
}
@@ -39,13 +41,13 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
{
trace_hardirqs_off();
- if (machine_is_ag5evm())
+ if (is_sh73a0())
sh73a0_secondary_init(cpu);
}
int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
{
- if (machine_is_ag5evm())
+ if (is_sh73a0())
return sh73a0_boot_secondary(cpu);
return -ENOSYS;
@@ -56,6 +58,12 @@ void __init smp_init_cpus(void)
unsigned int ncores = shmobile_smp_get_core_count();
unsigned int i;
+ if (ncores > nr_cpu_ids) {
+ pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+ ncores, nr_cpu_ids);
+ ncores = nr_cpu_ids;
+ }
+
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
@@ -64,10 +72,5 @@ void __init smp_init_cpus(void)
void __init platform_smp_prepare_cpus(unsigned int max_cpus)
{
- int i;
-
- for (i = 0; i < max_cpus; i++)
- set_cpu_present(i, true);
-
shmobile_smp_prepare_cpus();
}