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SuspendToDisk feature on ARM
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sumeet4linux
Hi List,
I would like to provide/implement Suspend To Disk (hibernate) feature on Linux based ARM platform on Embedded products. Can you provide any clue on how much effort is required to implement hibernation feature to ARM architecture for latest linux kernel ? It will be very helpful if you give some clues to start with for this hibernation implementation for ARM. Thanks in advance. Regards, Sumeet |
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Hiroki Kaminaga <kaminaga@...>
Hi Sumeet,
From: sumeet linux <sumeet4linux@...> Subject: [Celinux-dev] SuspendToDisk feature on ARM Date: Thu, 17 Jun 2010 10:25:34 +0530 Hi List,There are wiki available: http://elinux.org/Suspend_To_Disk_For_ARM Patches are also uploaded here, but linux version is out of date... Suspend framework itself is already in vanilla linux, so ARM port is not so much of a work. If you are familiar with ARM instructions, what you need is to implement register store and load at suspend/resume time. Looking into the patch would be helpful. Have fun! Regards, ---- (Hiroki Kaminaga) t |
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sumeet4linux
On Fri, Jun 18, 2010 at 3:41 AM, Hiroki Kaminaga <kaminaga@...> wrote:
Thanks for this wiki link, this is really good starting point.
Patches are also uploaded here, but linux version is out of date... If I want to improve boot up time, than I would like to port snapshot feature for ARM.
Is there any dependency like before porting snapshot boot feature for ARM arch, I need to first port swsusp or suspend2 ? OR Is it possible to directly port snapshot boot on ARM without porting swsusp or suspend2 ? Thanks,
Sumeet |
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