Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Fri, 28 Apr 2017 18:16:46 +0200 | Subject | Re: [PATCH] arm64: Print DT machine model in setup_machine_fdt() |
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Hi Will,
On Fri, Apr 28, 2017 at 4:57 PM, Will Deacon <will.deacon@arm.com> wrote: > On Thu, Apr 27, 2017 at 02:33:05PM +0200, Geert Uytterhoeven wrote: >> On arm32, the machine model specified in the device tree is printed >> during boot-up, courtesy of of_flat_dt_match_machine(). >> >> On arm64, of_flat_dt_match_machine() is not called, and the machine >> model information is not available from the kernel log. >> >> Print the machine model to make it easier to derive the machine model >> from an arbitrary kernel boot log. >> >> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> >> --- >> I have scripts to save kernel boot logs, and compare logs[*] for >> subsequent boots on the same machine. Having a way to extract the >> machine model from an arbitrary kernel boot log makes this easier.
> I think your use-case is slightly questionable (e.g. for ACPI, we print > something different, and this isn't generally considered to be ABI), but > the patch is harmless and if you find it useful then:
Not having access to an ARM ACPI system, what does it print for example?
I don't consider it ABI, though, just informational.
> Acked-by: Will Deacon <will.deacon@arm.com>
Thanks!
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
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