[LinuxBIOS] Crazy idea? LinuxBios+Suspend 2

Eric W. Biederman ebiederm at xmission.com
Mon Dec 11 22:05:22 CET 2006

Stefan Reinauer <stepan at coresystems.de> writes:

> * Lu, Yinghai <yinghai.lu at amd.com> [061211 19:59]:
>> Is the suspend be the job of OS instead of firmware?
> LinuxBIOS' effort has indeed been the other way around: Move everything
> into the OS that is not necessarily a task of the firmware.
> Since we have this no-callback paradigm in the LLFW we should probably
> stick with that.
>> I wonder if kexec  or kdump could load another kernel to dump previous
>> kernel to disk partition or file.
> Why would you want to load another kernel first? Can you return from a
> kexec call and have the original kernel dump the virtual environment of
> the freshly loaded one?

Nope kexec has no provision for returning.

There is some small argument that standing outside the kernel might
make the problem easier, but I don't think that helps much.


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