linux-kernel - Re: [PATCH] powerpc: e500: Fix compilation with gcc e500 compiler

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Date:   Thu, 7 Jul 2022 11:59:52 +0200
From:   Pali Rohár <pali@...nel.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Arnd Bergmann <arnd@...db.de>, Ben Hutchings <ben@...adent.org.uk>,
        Michael Ellerman <michael@...erman.id.au>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] powerpc: e500: Fix compilation with gcc e500 compiler

On Thursday 07 July 2022 09:56:04 Christophe Leroy wrote:
> Le 04/07/2022 à 15:43, Arnd Bergmann a écrit :
> > On Mon, Jul 4, 2022 at 3:29 PM Pali Rohár <pali@...nel.org> wrote:
> >>
> >> And still what to do with 4bf4f42a2feb ("powerpc/kbuild: Set default
> >> generic machine type for 32-bit compile")? I'm somehow lost there...
> > 
> > As far as I can tell, that is not needed, as long as every configuration
> > sets a specific -mcpu= option, the only reason it was required is that
> > there were some configs that relied on the compiler default, which
> > ended up being -mcpu=power8 or similar.
> > 
> 
> 
> Is there any link between this discussion and the following patch 
> submitted 3,5 years ago ?
> 
> https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20181226141511.3ag7uf6rvdgzlmxt@decadent.org.uk/
> 
> Thanks
> Christophe

Seems that above patch tried to fix same issue. I did not know about it.