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-rw-r--r--arch/arm/kernel/smp_tlb.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm/kernel/smp_tlb.c b/arch/arm/kernel/smp_tlb.c
index e82e1d24877..9a52a07aa40 100644
--- a/arch/arm/kernel/smp_tlb.c
+++ b/arch/arm/kernel/smp_tlb.c
@@ -98,21 +98,21 @@ static void broadcast_tlb_a15_erratum(void)
return;
dummy_flush_tlb_a15_erratum();
- smp_call_function_many(cpu_online_mask, ipi_flush_tlb_a15_erratum,
- NULL, 1);
+ smp_call_function(ipi_flush_tlb_a15_erratum, NULL, 1);
}
static void broadcast_tlb_mm_a15_erratum(struct mm_struct *mm)
{
- int cpu;
+ int cpu, this_cpu;
cpumask_t mask = { CPU_BITS_NONE };
if (!erratum_a15_798181())
return;
dummy_flush_tlb_a15_erratum();
+ this_cpu = get_cpu();
for_each_online_cpu(cpu) {
- if (cpu == smp_processor_id())
+ if (cpu == this_cpu)
continue;
/*
* We only need to send an IPI if the other CPUs are running
@@ -127,6 +127,7 @@ static void broadcast_tlb_mm_a15_erratum(struct mm_struct *mm)
cpumask_set_cpu(cpu, &mask);
}
smp_call_function_many(&mask, ipi_flush_tlb_a15_erratum, NULL, 1);
+ put_cpu();
}
void flush_tlb_all(void)