Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18;
From:   Michael Ellerman <patch-notifications@ellerman.id.au>
To:     Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>
Cc:     linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
        Maxime Bizon <mbizon@freebox.fr>, stable@vger.kernel.org
In-Reply-To: <aea33b4813a26bdb9378b5f273f00bd5d4abe240.1638857364.git.christophe.leroy@csgroup.eu>
References: <aea33b4813a26bdb9378b5f273f00bd5d4abe240.1638857364.git.christophe.leroy@csgroup.eu>
Subject: Re: [PATCH] powerpc/603: Fix boot failure with DEBUG_PAGEALLOC and KFENCE
Message-Id: <164515103939.912400.9280138789823591343.b4-ty@ellerman.id.au>
Date:   Fri, 18 Feb 2022 13:23:59 +1100
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 8bit
Precedence: bulk

On Tue, 7 Dec 2021 06:10:05 +0000, Christophe Leroy wrote:
> Allthough kernel text is always mapped with BATs, we still have
> inittext mapped with pages, so TLB miss handling is required
> when CONFIG_DEBUG_PAGEALLOC or CONFIG_KFENCE is set.
> 
> The final solution should be to set a BAT that also maps inittext
> but that BAT then needs to be cleared at end of init, and it will
> require more changes to be able to do it properly.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/603: Fix boot failure with DEBUG_PAGEALLOC and KFENCE
      https://git.kernel.org/powerpc/c/9bb162fa26ed76031ed0e7dbc77ccea0bf977758

cheers