lantiq: drop 009-MIPS-make-oprofile-use-cp0_perfcount_irq-if-it-is-se.patch
This patch is/was a duplicate of generic/patches-3.1/307-mips_oprofile_fix.patch SVN-Revision: 29294
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1 changed files with 0 additions and 51 deletions
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From 88bb1794592e3fe9c8d65ce73ee851e11dbbd26b Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Wed, 24 Aug 2011 13:24:11 +0200
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Subject: [PATCH 09/24] MIPS: make oprofile use cp0_perfcount_irq if it is set
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The patch makes the oprofile code use the performance counters irq.
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This patch is written by Felix Fietkau.
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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Signed-off-by: John Crispin <blogic@openwrt.org>
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Cc: linux-mips@linux-mips.org
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---
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arch/mips/oprofile/op_model_mipsxx.c | 12 ++++++++++++
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1 files changed, 12 insertions(+), 0 deletions(-)
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--- a/arch/mips/oprofile/op_model_mipsxx.c
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+++ b/arch/mips/oprofile/op_model_mipsxx.c
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@@ -303,6 +303,11 @@ static irqreturn_t mipsxx_perfcount_int(
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return mipsxx_perfcount_handler();
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}
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+static irqreturn_t mipsxx_perfcount_int(int irq, void *dev_id)
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+{
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+ return mipsxx_perfcount_handler();
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+}
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+
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static int __init mipsxx_init(void)
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{
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int counters;
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@@ -383,6 +388,10 @@ static int __init mipsxx_init(void)
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return request_irq(cp0_perfcount_irq, mipsxx_perfcount_int,
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IRQF_SHARED, "Perfcounter", save_perf_irq);
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+ if (cp0_perfcount_irq >= 0)
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+ return request_irq(cp0_perfcount_irq, mipsxx_perfcount_int,
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+ IRQF_SHARED, "Perfcounter", save_perf_irq);
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+
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return 0;
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}
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@@ -392,6 +401,9 @@ static void mipsxx_exit(void)
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if (cp0_perfcount_irq >= 0)
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free_irq(cp0_perfcount_irq, save_perf_irq);
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+
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+ if (cp0_perfcount_irq >= 0)
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+ free_irq(cp0_perfcount_irq, save_perf_irq);
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counters = counters_per_cpu_to_total(counters);
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on_each_cpu(reset_counters, (void *)(long)counters, 1);
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