Re: [PATCH]Diskdump - yet another crash dump function

[Pavel Machek]

Hi!

> >> Although I know about LKCD and netdump, I'm developing yet another crash
> >> dump, which is a polling-based disk dump as netdump do. Because it
> >> disables any interrupts during doing dump, it can avoid lots of problems
> >> LKCD has.
> >> 
> >> Main Feature
> >> - Reliability
> >>    Diskdump disables interrupts, stops other cpus and writes to the 
> >>    disk with polling mode. Therefore, unnecessary functions(like
> >>    interrupt handler) don't disturb dumping.
> >
> >Hmm... with this, better design of swsusp mifht be feasible.
> 
> I don't know mechanism of swsusp well.
> Do you mean diskdump is useful when saving system memory to the disk?

Yes. Self-contained code accessing disk would be usefull both when
saving system memory and when reading it back. (This is probably 2.8
material, through).
							Pavel

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