linux-kernel - Re: [PATCH v2] openrisc: use device tree to determine present cpus

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Date:   Sat, 6 Feb 2021 10:33:24 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Stafford Horne <shorne@...il.com>
Cc:     Jan Henrik Weinstock <jan.weinstock@...h-aachen.de>,
        Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Openrisc <openrisc@...ts.librecores.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] openrisc: use device tree to determine present cpus

Hi Stafford,

On Fri, Feb 5, 2021 at 11:36 PM Stafford Horne <shorne@...il.com> wrote:
> On Fri, Feb 05, 2021 at 05:07:51PM +0100, Geert Uytterhoeven wrote:
> > On Fri, Feb 5, 2021 at 3:43 PM Stafford Horne <shorne@...il.com> wrote:
> > > On Mon, Feb 01, 2021 at 12:49:31PM +0100, Jan Henrik Weinstock wrote:
> > > > Use the device tree to determine the present cpus instead of assuming all
> > > > CONFIG_NRCPUS are actually present in the system.
> > > >
> > > > Signed-off-by: Jan Henrik Weinstock <jan.weinstock@...h-aachen.de>
> > >
> > > I cannot apply this patch, it seems you somehow sent it signed as a multipart
> > > message via Thunderbird.
> > >
> > > This causes errors when trying to apply, even after I tried to manually fix the
> > > patch mail:
> > >
> > >     Applying: openrisc: use device tree to determine present cpus
> > >     error: sha1 information is lacking or useless (arch/openrisc/kernel/smp.c).
> > >     error: could not build fake ancestor
> > >     Patch failed at 0001 openrisc: use device tree to determine present cpus
> > >
> > > Can you send this using 'git send-email?'
> > >
> > > If not I can get it applied with some work, otherwise you can point me to a git
> > > repo which I can pull it from.
> >
> > "b4 am 6dbc27f8-5261-59c5-acba-70f6c6a74ba1@...h-aachen.de" works
> > fine for me.
> >
> > git://git.kernel.org/pub/scm/utils/b4/b4.git
>
> Did it work?  For me I got, base not found.
>
>     Looking up
>     https://lore.kernel.org/r/6dbc27f8-5261-59c5-acba-70f6c6a74ba1%40rwth-aachen.de
>     Grabbing thread from lore.kernel.org/lkml
>     Analyzing 9 messages in the thread
>     Will use the latest revision: v2
>     You can pick other revisions using the -vN flag
>     ---
>     Writing
>     ./v2_20210201_jan_weinstock_openrisc_use_device_tree_to_determine_present_cpus.mbx
>       [PATCH v2] openrisc: use device tree to determine present cpus
>     ---
>     Total patches: 1
>     ---
>      Link:
>     https://lore.kernel.org/r/6dbc27f8-5261-59c5-acba-70f6c6a74ba1@rwth-aachen.de
>      Base: not found

That just means the patch contains no information w.r.t. its base, i.e.
against which tree/commit it applies to.  To be ignored.

>            git am
>     ./v2_20210201_jan_weinstock_openrisc_use_device_tree_to_determine_present_cpus.mbx

Just run the above command ;-)

In addition, you can run "formail -s scripts/checkpatch.pl < *mbx" first, to
run the mbox (which could contain multiple patches) through checkpatch.


Gr{oetje,eeting}s,

                        Geert

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