[MIPS] unexport null_perf_irq() and make it static
This patch unexports the null_perf_irq() symbol, and simultaneously
makes this function static.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index ca65469..da8cbb6 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)
+static int (*save_perf_irq)(void);
+
#ifdef CONFIG_MIPS_MT_SMP
static int cpu_has_mipsmt_pertccounters;
#define WHAT (M_TC_EN_VPE | \
@@ -369,6 +371,7 @@
return -ENODEV;
}
+ save_perf_irq = perf_irq;
perf_irq = mipsxx_perfcount_handler;
return 0;
@@ -381,7 +384,7 @@
counters = counters_per_cpu_to_total(counters);
on_each_cpu(reset_counters, (void *)counters, 0, 1);
- perf_irq = null_perf_irq;
+ perf_irq = save_perf_irq;
}
struct op_mips_model op_model_mipsxx_ops = {