linux-kernel - Re: [PATCH v2 1/4] powerpc: Enable KFENCE for PPC32

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Message-Id: <161715296631.226945.8593352881430375558.b4-ty@ellerman.id.au>
Date:   Wed, 31 Mar 2021 12:09:26 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Alexander Potapenko <glider@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        kasan-dev@...glegroups.com
Subject: Re: [PATCH v2 1/4] powerpc: Enable KFENCE for PPC32

On Thu, 4 Mar 2021 14:35:09 +0000 (UTC), Christophe Leroy wrote:
> Add architecture specific implementation details for KFENCE and enable
> KFENCE for the ppc32 architecture. In particular, this implements the
> required interface in <asm/kfence.h>.
> 
> KFENCE requires that attributes for pages from its memory pool can
> individually be set. Therefore, force the Read/Write linear map to be
> mapped at page granularity.

Patch 1 applied to powerpc/next.

[1/4] powerpc: Enable KFENCE for PPC32
      https://git.kernel.org/powerpc/c/90cbac0e995dd92f7bcf82f74aa50250bf194a4a

cheers