linux-kernel - Re: [PATCH] powerpc: Activate CONFIG_STRICT_KERNEL

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Message-Id: <163584791243.1845480.10223684012984375431.b4-ty@ellerman.id.au>
Date:   Tue, 02 Nov 2021 21:11:52 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc: Activate CONFIG_STRICT_KERNEL_RWX by default

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