linux-kernel - Re: [PATCH] powerpc/6xx: fix setup and use of SPRN

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Message-ID: <20190308160334.GZ3969@gate.crashing.org>
Date:   Fri, 8 Mar 2019 10:03:36 -0600
From:   Segher Boessenkool <segher@...nel.crashing.org>
To:     Christophe Leroy <christophe.leroy@....fr>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Guenter Roeck <linux@...ck-us.net>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/6xx: fix setup and use of SPRN_PGDIR for hash32

On Fri, Mar 08, 2019 at 07:05:22AM +0000, Christophe Leroy wrote:
> Not only the 603 but all 6xx need SPRN_PGDIR to be initialised at
> startup. This patch move it from __setup_cpu_603() to start_here()
> and __secondary_start(), close to the initialisation of SPRN_THREAD.

I thought you meant an SPR I did not know about.  But you just misspelled
SPRN_SPRG_PGDIR :-)


Segher