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From:   Michael Ellerman <patch-notifications@ellerman.id.au>
To:     Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Christophe Leroy <christophe.leroy@csgroup.eu>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc:     Kees Cook <keescook@chromium.org>, linux-kernel@vger.kernel.org,
        linuxppc-dev@lists.ozlabs.org
In-Reply-To: <057c40164084bfc7d77c0b2ff78d95dbf6a2a21b.1632503622.git.christophe.leroy@csgroup.eu>
References: <057c40164084bfc7d77c0b2ff78d95dbf6a2a21b.1632503622.git.christophe.leroy@csgroup.eu>
Subject: Re: [PATCH] powerpc: Activate CONFIG_STRICT_KERNEL_RWX by default
Message-Id: <163584791243.1845480.10223684012984375431.b4-ty@ellerman.id.au>
Date:   Tue, 02 Nov 2021 21:11:52 +1100
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On Fri, 24 Sep 2021 19:13:53 +0200, Christophe Leroy wrote:
> CONFIG_STRICT_KERNEL_RWX should be set by default on every
> architectures (See https://github.com/KSPP/linux/issues/4)
> 
> On PPC32 we have to find a compromise between performance and/or
> memory wasting and selection of strict_kernel_rwx, because it implies
> either smaller memory chunks or larger alignment between RO memory
> and RW memory.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc: Activate CONFIG_STRICT_KERNEL_RWX by default
      https://git.kernel.org/powerpc/c/fdacae8a84024474afff234bdd1dbe19ad597a10

cheers