Re: [PATCH 1/3] of: fdt: Add generic support for parsing elf core header properties

From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Nick Kossifidis <mick@ics.forth.gr>
Cc: Rob Herring <robh+dt@kernel.org>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Frank Rowand <frowand.list@gmail.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/3] of: fdt: Add generic support for parsing elf core header properties
Date: Wed, 16 Jun 2021 09:58:54 +0200	[thread overview]
Message-ID: <CAMuHMdWjXFGHuT5OBcoyNrQ3C_+r3jnvGLsoDn-sv-yNe+GZVg@mail.gmail.com> (raw)
In-Reply-To: <96476719da53fe67dbb91268e2ad7492@mailhost.ics.forth.gr>

Hi Nick,

On Wed, Jun 16, 2021 at 1:28 AM Nick Kossifidis <mick@ics.forth.gr> wrote:
>
> Στις 2021-06-15 21:17, Geert Uytterhoeven έγραψε:
> >
> > diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
>
> I believe drivers/of/kexec.c is better suited for this.

From an earlier response from me to a comment from Rob:

| > Also, note that there is now a drivers/of/kexec.c (in -next) though
| > not sure if all this would go there or stay in fdt.c with the rest of
| > the memory parsing.
|
| It's gonna be the latter, as that file handles the FDT during early
| kernel startup, for both normal and kdump kernels.
|
| Despite the name, drivers/of/kexec.c is not for kexec, but for
| kexec_file.  This is the "new" fancy syscall that prepares the DTB
| for the new kernel itself, unlike the classic kexec syscall, where
| userspace is responsible for preparing the DTB for the new kernel.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@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