Re: [PATCH 0/3] Cleanup kdump memmap= passing and e820 usage

Thomas Renninger
2013-02-08T20:56:21Z

On Friday, February 08, 2013 12:25:14 PM Eric W. Biederman wrote:
> Thomas Renninger <trenn@suse.de> writes:
...
> > In a kernel which has the patch/functionality backported I would do
> >
> > it like this then:
> > - If the special kdump e820 type shows up, all memmap options from
> >
> > memmap=exactmap on are ignored and the kexec-tools passed
> > e820 table is used just as it is.
> > -> This would still allow e820 modifcations through memmap=
> > if passed manually for debugging, they just have to show up before
> > the kexec-tools generated ones. Anyway, I will also send a patch
> > how I think this can be backported and still work with old and new
> > kexec-tools versions.
>
> Way over complicated. kexec-tools can just stop passing the memmap=
> options entirely for every kernel.
Ah yes, sure. This is really nice.
I hope things work out like that, I'll report back next week.

Have a nice week-end,

Thomas