Messages in this thread | | | Subject | Re: [lkcd-devel] Re: What's left over. | From | Alan Cox <> | Date | 05 Nov 2002 20:10:46 +0000 |
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On Tue, 2002-11-05 at 19:19, Werner Almesberger wrote: > kexec needs: > - a system call to set it up
Device, file, insmod...
> - a way to silence devices (difference to dumper: kexec normally > operates under an intact system, so it's more similar to, say, > swsusp. But I expect that cleaning up device power management > would also clear the path for more reliable dumpers.)
So you need to register with the power management as the last thing to be suspended and do a suspend before kexec.
> So not merging it is mainly inconvenient to use, adds the system > call allocation as a continuous annoyance, and makes it a little > harder to work on the related infrastructure. But then, despite > being somewhat obscure, bootimg and kexec have been in use for > years, the design is about as lean as it can get, and it's cool. > What more could you ask for ? :-)
I'm mostly worried about how to make these things fit the least intrusively into the kernel.
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