summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/mips/include/asm/cpu-features.h7
-rw-r--r--arch/mips/kernel/perf_event_mipsxx.c3
-rw-r--r--arch/mips/oprofile/op_model_mipsxx.c2
3 files changed, 7 insertions, 5 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 5f74590e0bea..9cdb4e4ce258 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -535,6 +535,13 @@
# define cpu_has_shared_ftlb_entries 0
#endif
+#ifdef CONFIG_MIPS_MT_SMP
+# define cpu_has_mipsmt_pertccounters \
+ (cpu_data[0].options & MIPS_CPU_MT_PER_TC_PERF_COUNTERS)
+#else
+# define cpu_has_mipsmt_pertccounters 0
+#endif /* CONFIG_MIPS_MT_SMP */
+
/*
* Guest capabilities
*/
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index ee73550f0b9a..458015da7149 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -129,8 +129,6 @@ static struct mips_pmu mipspmu;
#ifdef CONFIG_MIPS_PERF_SHARED_TC_COUNTERS
-static int cpu_has_mipsmt_pertccounters;
-
static DEFINE_RWLOCK(pmuint_rwlock);
#if defined(CONFIG_CPU_BMIPS5000)
@@ -1723,7 +1721,6 @@ init_hw_perf_events(void)
}
#ifdef CONFIG_MIPS_PERF_SHARED_TC_COUNTERS
- cpu_has_mipsmt_pertccounters = read_c0_config7() & (1<<19);
if (!cpu_has_mipsmt_pertccounters)
counters = counters_total_to_per_cpu(counters);
#endif
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index c3e4c18ef8d4..7c04b17f4a48 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -36,7 +36,6 @@ static int perfcount_irq;
#endif
#ifdef CONFIG_MIPS_MT_SMP
-static int cpu_has_mipsmt_pertccounters;
#define WHAT (MIPS_PERFCTRL_MT_EN_VPE | \
M_PERFCTL_VPEID(cpu_vpe_id(&current_cpu_data)))
#define vpe_id() (cpu_has_mipsmt_pertccounters ? \
@@ -326,7 +325,6 @@ static int __init mipsxx_init(void)
}
#ifdef CONFIG_MIPS_MT_SMP
- cpu_has_mipsmt_pertccounters = read_c0_config7() & (1<<19);
if (!cpu_has_mipsmt_pertccounters)
counters = counters_total_to_per_cpu(counters);
#endif