diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-03-11 18:48:57 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-03-11 18:48:57 +0000 |
| commit | 6a4d2815833bd72679f7ac36f562b3eb12e0fc98 (patch) | |
| tree | 533c9423b6ef63171a36506d8443668c131abd6e /target/linux/generic-2.6/patches-2.6.32/208-mips_oprofile_fix.patch | |
| parent | 2c8b7a1910d9c6031172b9a8498ef1ea129ea6f0 (diff) | |
ar71xx: fix oprofile support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20150 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.32/208-mips_oprofile_fix.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.32/208-mips_oprofile_fix.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.32/208-mips_oprofile_fix.patch b/target/linux/generic-2.6/patches-2.6.32/208-mips_oprofile_fix.patch new file mode 100644 index 0000000000..2e019dba2c --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.32/208-mips_oprofile_fix.patch @@ -0,0 +1,47 @@ +--- a/arch/mips/Makefile ++++ b/arch/mips/Makefile +@@ -48,7 +48,9 @@ ifneq ($(SUBARCH),$(ARCH)) + endif + endif + ++ifndef CONFIG_PROFILING + cflags-y := -ffunction-sections ++endif + cflags-y += $(call cc-option, -mno-check-zero-division) + + ifdef CONFIG_32BIT +--- a/arch/mips/oprofile/op_model_mipsxx.c ++++ b/arch/mips/oprofile/op_model_mipsxx.c +@@ -298,6 +298,11 @@ static void reset_counters(void *arg) + } + } + ++static irqreturn_t mipsxx_perfcount_int(int irq, void *dev_id) ++{ ++ return mipsxx_perfcount_handler(); ++} ++ + static int __init mipsxx_init(void) + { + int counters; +@@ -374,6 +379,10 @@ static int __init mipsxx_init(void) + save_perf_irq = perf_irq; + perf_irq = mipsxx_perfcount_handler; + ++ if (cp0_perfcount_irq >= 0) ++ return request_irq(cp0_perfcount_irq, mipsxx_perfcount_int, ++ IRQF_SHARED, "Perfcounter", save_perf_irq); ++ + return 0; + } + +@@ -381,6 +390,9 @@ static void mipsxx_exit(void) + { + int counters = op_model_mipsxx_ops.num_counters; + ++ 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); + |