Re: [linux-pm] [PATCH 1/8] PM: Opportunistic suspend support.

Vitaly Wool
2010-05-26T11:16:23Z

2010/5/26 Arve Hjønnevåg <arve@android.com>:
> 2010/5/26 Peter Zijlstra <peterz@infradead.org>:
>> On Wed, 2010-05-26 at 03:17 -0700, Arve Hjønnevåg wrote:
>>> > With a single suspend manager process that manages the suspend state you
>>> > can achieve the same goal.
>>> >
>>>
>>> Yes we don't need the /dev interface, but it is useful. Without it any
>>> program that needs to block suspend has to make a blocking ipc call
>>> into the suspend manager process. Android already does this for java
>>> code, but system processes written in C block suspend directly with
>>> the kernel since they cannot use the java APIs.
>>
>> So provide a C interface to it as well?
>>
>
> We could, but the result would be that any program that needs to block
> suspend has to be android specific.

Just a suspicion, but... The things you're saying don't make sense to
me other than if you're fighting with GPL in userspace here.

~Vitaly