linux-kernel - Re: [PATCH 1/6] powerpc/32s: add an option to exclusively select powerpc 601

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Message-Id: <46MFv46j2Qz9sPJ@ozlabs.org>
Date:   Mon,  2 Sep 2019 13:29:36 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@....fr>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] powerpc/32s: add an option to exclusively select powerpc 601

On Mon, 2019-08-26 at 15:52:13 UTC, Christophe Leroy wrote:
> Powerpc 601 is rather old powerpc which as some important
> limitations compared to other book3s/32 powerpcs:
> - No Timebase.
> - Common BATs for instruction and data.
> - No execution protection in segment registers.
> - No RI bit in MSR
> - ...
> 
> It is starting to be difficult and cumbersome to maintain
> kernels that are compatible both with 601 and other 6xx cores.
> 
> Create a compiletime option to exclusively select either powerpc 601
> or other 6xx.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/f7a0bf7d904e902e13024986b7b357181ee30849

cheers