aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/oprofile/op_model_mipsxx.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/oprofile/op_model_mipsxx.c')
-rw-r--r--arch/mips/oprofile/op_model_mipsxx.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index d36b64dfcb2..a4a4aa99ab0 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -114,11 +114,12 @@ static void mipsxx_cpu_stop(void *args)
}
}
-static void mipsxx_perfcount_handler(struct pt_regs *regs)
+static int mipsxx_perfcount_handler(struct pt_regs *regs)
{
unsigned int counters = op_model_mipsxx.num_counters;
unsigned int control;
unsigned int counter;
+ int handled = 0;
switch (counters) {
#define HANDLE_COUNTER(n) \
@@ -129,12 +130,15 @@ static void mipsxx_perfcount_handler(struct pt_regs *regs)
(counter & M_COUNTER_OVERFLOW)) { \
oprofile_add_sample(regs, n); \
write_c0_perfcntr ## n(reg.counter[n]); \
+ handled = 1; \
}
HANDLE_COUNTER(3)
HANDLE_COUNTER(2)
HANDLE_COUNTER(1)
HANDLE_COUNTER(0)
}
+
+ return handled;
}
#define M_CONFIG1_PC (1 << 4)