[LinuxBIOS] Crazy idea? LinuxBios+Suspend 2
Eric W. Biederman
ebiederm at xmission.com
Mon Dec 11 20:48:56 CET 2006
Ward Vandewege <ward at gnu.org> writes:
> On Mon, Dec 11, 2006 at 10:59:26AM -0800, Lu, Yinghai wrote:
>> Is the suspend be the job of OS instead of firmware?
> That's an interesting question. Proprietary BIOSes used to do suspend to disk
> - I had a laptop 7 years ago that did it (HP Omnibook XE2). Every laptop I've
> owned since then does not have a suspend feature.
> Would having the BIOS do suspend require a BIOS callback? What was described
> in this thread made it sound like a callback is necessary.
Suspend to RAM currently appears to be something that the OS cannot do alone. At
least because cpu wakeup has to go through the BIOS.
Beyond that I think you are likely to get a lot more users and a lot more debugging
and testing if you put the work in the OS.
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