summaryrefslogtreecommitdiff
path: root/arch/mips/kernel/smp.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/kernel/smp.c')
-rw-r--r--arch/mips/kernel/smp.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 78d171bfa331..d42f358754ad 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -38,6 +38,10 @@
#include <asm/mmu_context.h>
#include <asm/smp.h>
+#ifdef CONFIG_MIPS_MT_SMTC
+#include <asm/mipsmtregs.h>
+#endif /* CONFIG_MIPS_MT_SMTC */
+
cpumask_t phys_cpu_present_map; /* Bitmask of available CPUs */
volatile cpumask_t cpu_callin_map; /* Bitmask of started secondaries */
cpumask_t cpu_online_map; /* Bitmask of currently online CPUs */
@@ -85,6 +89,10 @@ asmlinkage void start_secondary(void)
{
unsigned int cpu;
+#ifdef CONFIG_MIPS_MT_SMTC
+ /* Only do cpu_probe for first TC of CPU */
+ if ((read_c0_tcbind() & TCBIND_CURTC) == 0)
+#endif /* CONFIG_MIPS_MT_SMTC */
cpu_probe();
cpu_report();
per_cpu_trap_init();
@@ -179,11 +187,13 @@ int smp_call_function (void (*func) (void *info), void *info, int retry,
if (wait)
while (atomic_read(&data.finished) != cpus)
barrier();
+ call_data = NULL;
spin_unlock(&smp_call_lock);
return 0;
}
+
void smp_call_function_interrupt(void)
{
void (*func) (void *info) = call_data->func;
@@ -446,5 +456,3 @@ subsys_initcall(topology_init);
EXPORT_SYMBOL(flush_tlb_page);
EXPORT_SYMBOL(flush_tlb_one);
-EXPORT_SYMBOL(cpu_data);
-EXPORT_SYMBOL(synchronize_irq);