On 07/05/2012 10:43 PM, Rafael J. Wysocki wrote:
> On Thursday, July 05, 2012, Daniel Lezcano wrote:
>> Move this specific flag to the header file.
>
> The patch evidently does more than that.
>
> Is it just a cleanup, or is there a functional reason for doing it?
It is just a cleanup.
Thanks for reviewing the patches.
-- Daniel
>> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
>> ---
>> drivers/idle/intel_idle.c | 8 --------
>> include/linux/cpuidle.h | 16 +++++++++++++---
>> 2 files changed, 13 insertions(+), 11 deletions(-)
>>
>> diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
>> index fe95d54..3f0eb07 100644
>> --- a/drivers/idle/intel_idle.c
>> +++ b/drivers/idle/intel_idle.c
>> @@ -101,14 +101,6 @@ static int intel_idle_cpu_init(int cpu);
>> static struct cpuidle_state *cpuidle_state_table;
>>
>> /*
>> - * Set this flag for states where the HW flushes the TLB for us
>> - * and so we don't need cross-calls to keep it consistent.
>> - * If this flag is set, SW flushes the TLB, so even if the
>> - * HW doesn't do the flushing, this flag is safe to use.
>> - */
>> -#define CPUIDLE_FLAG_TLB_FLUSHED 0x10000
>> -
>> -/*
>> * States are indexed by the cstate number,
>> * which is also the index into the MWAIT hint array.
>> * Thus C0 is a dummy.
>> diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
>> index 730e12e..be150c9 100644
>> --- a/include/linux/cpuidle.h
>> +++ b/include/linux/cpuidle.h
>> @@ -67,10 +67,20 @@ struct cpuidle_state {
>> * the cpuidle core the specified state can use the *
>> * enter_dead function. *
>> * *
>> + * CPUIDLE_FLAG_TLB_FLUSHED : Set this flag for states where the HW flushes the *
>> + * TLB for us and so we don't need cross-calls to *
>> + * keep it consistent. If this flag is set, SW *
>> + * flushes the TLB, so even if the HW doesn't do the *
>> + * flushing, this flag is safe to use. *
>> + * *
>> *******************************************************************************/
>> -#define CPUIDLE_FLAG_TIME_VALID (0x01)
>> -#define CPUIDLE_FLAG_COUPLED (0x02)
>> -#define CPUIDLE_FLAG_DEAD_VALID (0x04)
>> +#define CPUIDLE_FLAG_TIME_VALID (0x01)
>> +#define CPUIDLE_FLAG_COUPLED (0x02)
>> +#define CPUIDLE_FLAG_DEAD_VALID (0x04)
>> +#define CPUIDLE_FLAG_TLB_FLUSHED (0x08)
>> +
>> +
>> +
>>
>> /**
>> * cpuidle_get_statedata - retrieves private driver state data
>>
>
--
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