RE: [2.6 patch] unexport tick_nohz_get_sleep_length

[Pallipadi, Venkatesh]

>-----Original Message-----
>From: Thomas Gleixner [mailto:tglx@xxxxxxxxxxxxx] 
>Sent: Thursday, October 25, 2007 2:28 AM
>To: Adrian Bunk
>Cc: Brown, Len; LKML; Pallipadi, Venkatesh
>Subject: Re: [2.6 patch] unexport tick_nohz_get_sleep_length
>
>On Wed, 24 Oct 2007, Adrian Bunk wrote:
>
>> This patch removes the unused 
>> EXPORT_SYMBOL_GPL(tick_nohz_get_sleep_length).
>> 
>> Signed-off-by: Adrian Bunk <bunk@xxxxxxxxxx>
>> 
>> ---
>> f7c83dfe117f4fd072b2506ae090e4145abda362 
>> diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
>> index 10a1347..5997456 100644
>> --- a/kernel/time/tick-sched.c
>> +++ b/kernel/time/tick-sched.c
>> @@ -320,8 +320,6 @@ ktime_t tick_nohz_get_sleep_length(void)
>>  	return ts->sleep_length;
>>  }
>>  
>> -EXPORT_SYMBOL_GPL(tick_nohz_get_sleep_length);
>> -
>
>Hmm, this was added to allow the cpuidle governers modular
>build. Seems this was changed to compiled in only.
>
>Len, Venki, is this the final decision ?
>

Yes. This was done recently for proper fallback to old ACPI policy in
case CPUIDLE is not selected. With that being module, falling back to
ACPI policy at run time makes things ugly.

Thanks,
Venki
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