Re: [patch 0/9] kdump: Patch series for s390 support

Michael Holzheu
2011-07-26T09:32:36Z

On Mon, 2011-07-25 at 14:07 -0400, Vivek Goyal wrote:
> On Fri, Jul 22, 2011 at 05:26:32PM +0200, Michael Holzheu wrote:
> > Hello Vivek,
> >
> > Still thinking how we best get elfcorehdr size...
> >
> > On Mon, 2011-07-18 at 11:25 -0400, Vivek Goyal wrote:
> > > On Mon, Jul 18, 2011 at 04:44:13PM +0200, Michael Holzheu wrote:
> > > You could do that but I think a more generic parameter will make more
> > > sense.
> > >
> > > - Either something along the lines of memmap=
> > > - Or excludemem=x@y
> > > - Or modify memory map in s390 specific bootloading protocol block etc.
> >
> > Wouldn't it be most natural to pass the length along with the address of
> > the ELF core header? What about extending the kernel elfcorehdr kernel
> > parameter and adding optional size:
> >
> > elfcorehdr=<addr>[KMG],<size>[KMG]
>
> I think it could be memap= style. elfcorehdr=X[KMG]@Y[KMG]. Though to
> support backward compatibility we will have to support old format of
> plain elfcorehdr=X too.

Ok, fine. I will add a patch for that.

Michael