[PATCH v5 0/9] Add generic support for kdump DT properties

Geert Uytterhoeven geert at linux-m68k.org
Tue Aug 24 04:55:34 PDT 2021


On Mon, Aug 23, 2021 at 4:52 PM Rob Herring <robh at kernel.org> wrote:
> On Mon, Aug 23, 2021 at 5:13 AM Geert Uytterhoeven <geert at linux-m68k.org> wrote:
> > On Sun, Aug 15, 2021 at 5:25 PM Rob Herring <robh at kernel.org> wrote:
> > > On Wed, Aug 11, 2021 at 10:50:58AM +0200, Geert Uytterhoeven wrote:
> > > > This patch series adds generic support for parsing DT properties related
> > > > to crash dump kernels ("linux,elfcorehdr" and "linux,elfcorehdr" under
> > > > the "/chosen" node), makes use of it on arm32, and performs a few
> > > > cleanups.  It is an evolution of the combination of [1] and [2].
> > >
> > > The DT bits look fine to me. How do you expect this to be merged? I'm
> > > happy to take it if arch maintainers can ack it.
> >
> > I had hoped you could take the series...
>
> My current thought is I'll take 2-5, 7 and 8 given that's what I have
> acks for and the others can be applied independently.

Note that Palmer did ack patch 6, so you can include it.

Russell: any thoughts about patch 9?

Thanks!

> > > > The series consists of 6 parts:
> > > >   1. Patch 1 prepares architecture-specific code (needed for MIPS only)
> > > >      to avoid duplicating elf core header reservation later.
> > > >   2. Patch 2 prepares the visibility of variables used to hold
> > > >      information retrieved from the DT properties.
> > > >   3. Patches 3-5 add support to the FDT core for handling the
> > > >      properties.
> > > >      This can co-exist safely with architecture-specific handling, until
> > > >      the latter has been removed.
> > >
> > > Looks like patch 5 doesn't have any dependencies with the series?
> >
> > Indeed. So you can take it independently.
> >
> > > >   4. Patch 6 removes the non-standard handling of "linux,elfcorehdr" on
> > > >      riscv.
> > >
> > > I thought this should be applied for 5.14?
> >
> > Me too, but unfortunately that hasn't happened yet...
>
> Buried in the middle of this series is not going to encourage it to be
> picked up as a fix.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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