perfcounters: remove warnings

Impact: remove debug checks

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 7 deletions

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index bdbdb56eaa34..89fad5d4fb37 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -64,7 +64,6 @@ x86_perf_counter_update(struct perf_counter *counter,
 {
         u64 prev_raw_count, new_raw_count, delta;
 
-        WARN_ON_ONCE(counter->state != PERF_COUNTER_STATE_ACTIVE);
         /*
          * Careful: an NMI might modify the previous counter value.
          *
@@ -89,7 +88,6 @@ again:
          * of the count, so we do that by clipping the delta to 32 bits:
          */
         delta = (u64)(u32)((s32)new_raw_count - (s32)prev_raw_count);
-        WARN_ON_ONCE((int)delta < 0);
 
         atomic64_add(delta, &counter->count);
         atomic64_sub(delta, &hwc->period_left);
@@ -193,7 +191,6 @@ __x86_perf_counter_disable(struct perf_counter *counter,
         int err;
 
         err = wrmsr_safe(hwc->config_base + idx, hwc->config, 0);
-        WARN_ON_ONCE(err);
 }
 
 static DEFINE_PER_CPU(u64, prev_left[MAX_HW_COUNTERS]);
@@ -209,8 +206,6 @@ __hw_perf_counter_set_period(struct perf_counter *counter,
         s32 left = atomic64_read(&hwc->period_left);
         s32 period = hwc->irq_period;
 
-        WARN_ON_ONCE(period <= 0);
-
         /*
          * If we are way outside a reasoable range then just skip forward:
          */
@@ -224,8 +219,6 @@ __hw_perf_counter_set_period(struct perf_counter *counter,
                 atomic64_set(&hwc->period_left, left);
         }
 
-        WARN_ON_ONCE(left <= 0);
-
         per_cpu(prev_left[idx], smp_processor_id()) = left;
 
         /*