|
|
@@ -1,51 +0,0 @@
|
|
|
-From 88bb1794592e3fe9c8d65ce73ee851e11dbbd26b Mon Sep 17 00:00:00 2001
|
|
|
-From: John Crispin <[email protected]>
|
|
|
-Date: Wed, 24 Aug 2011 13:24:11 +0200
|
|
|
-Subject: [PATCH 09/24] MIPS: make oprofile use cp0_perfcount_irq if it is set
|
|
|
-
|
|
|
-The patch makes the oprofile code use the performance counters irq.
|
|
|
-
|
|
|
-This patch is written by Felix Fietkau.
|
|
|
-
|
|
|
-Signed-off-by: Felix Fietkau <[email protected]>
|
|
|
-Signed-off-by: John Crispin <[email protected]>
|
|
|
-Cc: [email protected]
|
|
|
----
|
|
|
- arch/mips/oprofile/op_model_mipsxx.c | 12 ++++++++++++
|
|
|
- 1 files changed, 12 insertions(+), 0 deletions(-)
|
|
|
-
|
|
|
---- a/arch/mips/oprofile/op_model_mipsxx.c
|
|
|
-+++ b/arch/mips/oprofile/op_model_mipsxx.c
|
|
|
-@@ -303,6 +303,11 @@ static irqreturn_t mipsxx_perfcount_int(
|
|
|
- return mipsxx_perfcount_handler();
|
|
|
- }
|
|
|
-
|
|
|
-+static irqreturn_t mipsxx_perfcount_int(int irq, void *dev_id)
|
|
|
-+{
|
|
|
-+ return mipsxx_perfcount_handler();
|
|
|
-+}
|
|
|
-+
|
|
|
- static int __init mipsxx_init(void)
|
|
|
- {
|
|
|
- int counters;
|
|
|
-@@ -383,6 +388,10 @@ static int __init mipsxx_init(void)
|
|
|
- return request_irq(cp0_perfcount_irq, mipsxx_perfcount_int,
|
|
|
- IRQF_SHARED, "Perfcounter", save_perf_irq);
|
|
|
-
|
|
|
-+ if (cp0_perfcount_irq >= 0)
|
|
|
-+ return request_irq(cp0_perfcount_irq, mipsxx_perfcount_int,
|
|
|
-+ IRQF_SHARED, "Perfcounter", save_perf_irq);
|
|
|
-+
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
-@@ -392,6 +401,9 @@ static void mipsxx_exit(void)
|
|
|
-
|
|
|
- if (cp0_perfcount_irq >= 0)
|
|
|
- free_irq(cp0_perfcount_irq, save_perf_irq);
|
|
|
-+
|
|
|
-+ if (cp0_perfcount_irq >= 0)
|
|
|
-+ free_irq(cp0_perfcount_irq, save_perf_irq);
|
|
|
-
|
|
|
- counters = counters_per_cpu_to_total(counters);
|
|
|
- on_each_cpu(reset_counters, (void *)(long)counters, 1);
|