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| author | Preeti U Murthy <preeti@linux.vnet.ibm.com> | 2014-03-28 12:38:54 +0530 |
|---|---|---|
| committer | Eli Qiao <taget@linux.vnet.ibm.com> | 2014-04-01 14:45:08 +0800 |
| commit | 7f2cc2ee99d283c187fca23b9b7e390e765868b1 (patch) | |
| tree | 58e163b23c52e5229566780454ef10ace61e8ef5 | |
| parent | 6c45251bf7b23b187e58f5f8fc271606d46fb463 (diff) | |
| download | powerkvm-7f2cc2ee99d283c187fca23b9b7e390e765868b1.tar.gz | |
cpuidle:Remove the debug messages printed on exit from idle state
We had added the debug prints to confirm the idle state exit
by the cpus. This was mainly to test if fast sleep was working
fine. Now that we are confident about its functioning we
can get rid of these prints.
Signed-off-by: Preeti U Murthy <preeti@linux.vnet.ibm.com>
| -rw-r--r-- | drivers/cpuidle/cpuidle-powerpc-book3s.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/drivers/cpuidle/cpuidle-powerpc-book3s.c b/drivers/cpuidle/cpuidle-powerpc-book3s.c index f549cd6c39169..f0c1157634920 100644 --- a/drivers/cpuidle/cpuidle-powerpc-book3s.c +++ b/drivers/cpuidle/cpuidle-powerpc-book3s.c @@ -264,11 +264,6 @@ static int fastsleep_loop(struct cpuidle_device *dev, unsigned long new_lpcr; unsigned long flags; int bc_cpu_status; - static cpumask_t printed_mask = CPU_MASK_NONE; - static DEFINE_SPINLOCK(printed_lock); - unsigned int mycpu = smp_processor_id(); - unsigned long wakeup_srr1=0; - char *srr1_wakeup_bits[]={"???","NoNAP","NAP","SLEEP"}; /* * Verify if snooze is the only valid cpuidle state @@ -297,7 +292,7 @@ static int fastsleep_loop(struct cpuidle_device *dev, mtspr(SPRN_LPCR, new_lpcr); clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu); spin_unlock_irqrestore(&fastsleep_idle_lock, flags); - wakeup_srr1 = power7_sleep(); + power7_sleep(); spin_lock_irqsave(&fastsleep_idle_lock, flags); clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu); spin_unlock_irqrestore(&fastsleep_idle_lock, flags); @@ -305,23 +300,11 @@ static int fastsleep_loop(struct cpuidle_device *dev, new_lpcr |= LPCR_PECE1; mtspr(SPRN_LPCR, new_lpcr); spin_unlock_irqrestore(&fastsleep_idle_lock, flags); - wakeup_srr1 = power7_nap(); + power7_nap(); } else { spin_unlock_irqrestore(&fastsleep_idle_lock, flags); } - /* debug print */ - if (!cpu_isset(mycpu, printed_mask)) { - spin_lock(&printed_lock); - cpu_set(mycpu, printed_mask); - spin_unlock(&printed_lock); - printk(KERN_NOTICE "powersave exit on cpu %d SRR1 %lx <%s>\n", mycpu, - wakeup_srr1, srr1_wakeup_bits[(wakeup_srr1 >> 16) & 0x3]); - } - - trace_printk("powersave exit on cpu %d SRR1 %lx <%s>\n", mycpu, - wakeup_srr1, srr1_wakeup_bits[(wakeup_srr1 >> 16) & 0x3]); - mtspr(SPRN_LPCR, old_lpcr); return index; } |