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In-Reply-To: <9b1d38ef4c4d26f9ef9b6a69a37949a4eee722df.1547025153.git.christophe.leroy@c-s.fr>
To:     Christophe Leroy <christophe.leroy@c-s.fr>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>
From:   Michael Ellerman <patch-notifications@ellerman.id.au>
Cc:     linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: powerpc/8xx: fix setting of pagetable for Abatron BDI debug tool.
Message-Id: <43dTmB6lM1z9sD9@ozlabs.org>
Date:   Mon, 14 Jan 2019 21:12:10 +1100 (AEDT)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Wed, 2019-01-09 at 20:30:07 UTC, Christophe Leroy wrote:
> Commit 8c8c10b90d88 ("powerpc/8xx: fix handling of early NULL pointer
> dereference") moved the loading of r6 earlier in the code. As some
> functions are called inbetween, r6 needs to be loaded again with the
> address of swapper_pg_dir in order to set PTE pointers for
> the Abatron BDI.
> 
> Fixes: 8c8c10b90d88 ("powerpc/8xx: fix handling of early NULL pointer dereference")
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/fb0bdec51a4901b7dd088de0a1e365e1

cheers