diff options
author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-11-03 15:15:52 +0000 |
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committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-11-03 15:15:52 +0000 |
commit | dfffaea839fd631ec0b3d4f58540316a04c4f2ad (patch) | |
tree | b174b3a3d03c0c2b4a9b9c980efe38089069a2d4 /target/linux/lantiq/patches/0009-MIPS-make-oprofile-use-cp0_perfcount_irq-if-it-is-se.patch | |
parent | de6080b7c2e5f3d2a9ed9677e3df0667bfc31842 (diff) |
lantiq: bump to 3.1
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28721 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/lantiq/patches/0009-MIPS-make-oprofile-use-cp0_perfcount_irq-if-it-is-se.patch')
-rw-r--r-- | target/linux/lantiq/patches/0009-MIPS-make-oprofile-use-cp0_perfcount_irq-if-it-is-se.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches/0009-MIPS-make-oprofile-use-cp0_perfcount_irq-if-it-is-se.patch b/target/linux/lantiq/patches/0009-MIPS-make-oprofile-use-cp0_perfcount_irq-if-it-is-se.patch new file mode 100644 index 000000000..1d42341b3 --- /dev/null +++ b/target/linux/lantiq/patches/0009-MIPS-make-oprofile-use-cp0_perfcount_irq-if-it-is-se.patch @@ -0,0 +1,51 @@ +From 88bb1794592e3fe9c8d65ce73ee851e11dbbd26b Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +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 <nbd@openwrt.org> +Signed-off-by: John Crispin <blogic@openwrt.org> +Cc: linux-mips@linux-mips.org +--- + 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); |