Hibernation on ARM64

[Christian S. Perone]

Thanks for the reply Lorenzo and Chen. I asked because it seems that
someone tried before and failed [1] due to some page faults while
calling copy_page(). I'm also interested in testing the patches.

[1] https://lkml.org/lkml/2015/1/10/120

On Mon, May 25, 2015 at 2:33 AM, Chen Baozi <cbz at baozis.org> wrote:
> Hi Lorenzo,
>
> On Fri, May 22, 2015 at 12:02:18PM +0100, Lorenzo Pieralisi wrote:
>> Hi Christian,
>>
>> On Thu, May 21, 2015 at 07:34:06PM +0100, Christian S. Perone wrote:
>> > Hello, I haven't found any information, road map or something like
>> > that for the hibernation support for ARM64, does anyone knows if there
>> > is something planned to support this in near future ?
>>
>> Adding arch support for hibernation to arm64 should be fairly simple,
>> it is not top priority at the moment simply because there are not
>> compelling use-cases (on the PM side most features revolve around
>> CPUidle and suspend-to-idle and S2R).
>>
>> To answer your question, yes I have planned to support it, I just
>> do not want to add it to the kernel for no particular reason, if there
>> are compelling requirements (I guess you are asking for a specific
>> reason) it can be done fairly quickly.
>>
>
> I am also looking forward the hibernation support on arm64. Thanks for
> the information.
>
> Could you please CCed me the hiberation patches when you send them to
> list. I can help test it. :-)
>
> Cheers,
>
> Baozi.



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