Re: [discuss] [patch 3/5] Use extended crashkernel command line onx86_64

[Bernhard Walle]

* Vivek Goyal <vgoyal@xxxxxxxxxx> [2007-09-11 07:14]:
> On Sun, Sep 09, 2007 at 08:52:58PM +0200, Bernhard Walle wrote:
> > * Yinghai Lu <yhlu.kernel@xxxxxxxxx> [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?
> 
> 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.

Yes, you all are right ... sorry for the noise ;)


Thanks,
   Bernhard
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