This patch unexports the null_perf_irq() symbol, and simultaneously
makes this function static.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@xxxxxxxxx>
---
arch/mips/kernel/time.c | 4 +---
arch/mips/oprofile/op_impl.h | 1 -
arch/mips/oprofile/op_model_mipsxx.c | 5 ++++-
3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index d70ce5c..1f467d5 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -49,13 +49,11 @@ int update_persistent_clock(struct timespec now)
return rtc_mips_set_mmss(now.tv_sec);
}
-int null_perf_irq(void)
+static int null_perf_irq(void)
{
return 0;
}
-EXPORT_SYMBOL(null_perf_irq);
-
int (*perf_irq)(void) = null_perf_irq;
EXPORT_SYMBOL(perf_irq);
diff --git a/arch/mips/oprofile/op_impl.h b/arch/mips/oprofile/op_impl.h
index fa6b4aa..2bfc17c 100644
--- a/arch/mips/oprofile/op_impl.h
+++ b/arch/mips/oprofile/op_impl.h
@@ -10,7 +10,6 @@
#ifndef OP_IMPL_H
#define OP_IMPL_H 1
-extern int null_perf_irq(void);
extern int (*perf_irq)(void);
/* Per-counter configuration as set via oprofilefs. */
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index ccbea22..12e840f 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -31,6 +31,8 @@
#define M_COUNTER_OVERFLOW (1UL << 31)
+int (*save_perf_irq)(void);
+
#ifdef CONFIG_MIPS_MT_SMP
#define WHAT (M_TC_EN_VPE | M_PERFCTL_VPEID(smp_processor_id()))
#define vpe_id() smp_processor_id()
@@ -355,6 +357,7 @@ static int __init mipsxx_init(void)
return -ENODEV;
}
+ save_perf_irq = perf_irq;
perf_irq = mipsxx_perfcount_handler;
return 0;
@@ -367,7 +370,7 @@ static void mipsxx_exit(void)
counters = counters_per_cpu_to_total(counters);
reset_counters(counters);
- perf_irq = null_perf_irq;
+ perf_irq = save_perf_irq;
}
struct op_mips_model op_model_mipsxx_ops = {
--
1.5.3
