On Sun, Sep 09, 2007 at 08:52:58PM +0200, Bernhard Walle wrote:
> * Yinghai Lu <[email protected]> [2007-09-09 19:27]:
> > >
> > > +#ifdef CONFIG_KEXEC
> > ...
> >
> > CONFIG_KEXEC or CONFIG_CRASH_DUMP?
>
> Good question. The crashkernel parameter was CONFIG_KEXEC before, and
> I also wondered why, but I didn't change this because maybe there's
> some reason I don't know.
>
> Vivek, do you know why this was CONFIG_KEXEC?
>
>
Bernhard,
As Eric mentioned, CONFIG_CRASH_DUMP has been used for all dump capturing
infrastructure and rest of the kexec and kexec on panic functionality
has been put under CONFIG_KEXEC.
Keeping memory reservation under CONFIG_KEXEC helps in a sense when
somebody is not using a relocatable kernel and uses a custom kernel for dump
capture. In that case he does not have to enable CONFIG_CRASH_DUMP in the
first kernel.
Thanks
Vivek
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