linux-kernel - Re: [PATCH v1 1/8] powerpc/booke: Disable STRICT_KERNEL_RWX, DEBUG

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Message-Id: <163584790135.1845480.2173070961841776938.b4-ty@ellerman.id.au>
Date:   Tue, 02 Nov 2021 21:11:41 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v1 1/8] powerpc/booke: Disable STRICT_KERNEL_RWX, DEBUG_PAGEALLOC and KFENCE

On Fri, 15 Oct 2021 12:02:42 +0200, Christophe Leroy wrote:
> fsl_booke and 44x are not able to map kernel linear memory with
> pages, so they can't support DEBUG_PAGEALLOC and KFENCE, and
> STRICT_KERNEL_RWX is also a problem for now.
> 
> Enable those only on book3s (both 32 and 64 except KFENCE), 8xx and 40x.
> 
> 
> [...]

Applied to powerpc/next.

[1/8] powerpc/booke: Disable STRICT_KERNEL_RWX, DEBUG_PAGEALLOC and KFENCE
      https://git.kernel.org/powerpc/c/68b44f94d6370e2c6c790fedd28e637fa9964a93
[2/8] powerpc/fsl_booke: Rename fsl_booke.c to fsl_book3e.c
      https://git.kernel.org/powerpc/c/3a75fd709c89cb45b8b1044b8ef0d15027a69f9b
[3/8] powerpc/fsl_booke: Take exec flag into account when setting TLBCAMs
      https://git.kernel.org/powerpc/c/01116e6e98b08ab0641fa516ddafb1b1b2088e64
[4/8] powerpc/fsl_booke: Enable reloading of TLBCAM without switching to AS1
      https://git.kernel.org/powerpc/c/a97dd9e2f760c6996a8f1385ddab0bfef325b364
[5/8] powerpc/fsl_booke: Tell map_mem_in_cams() if init is done
      https://git.kernel.org/powerpc/c/52bda69ae8b5102fe08c9db10f4a1514478e07d3
[6/8] powerpc/fsl_booke: Allocate separate TLBCAMs for readonly memory
      https://git.kernel.org/powerpc/c/0b2859a74306b2b89f6e77c216fe0992ff890fa6
[7/8] powerpc/fsl_booke: Update of TLBCAMs after init
      https://git.kernel.org/powerpc/c/d5970045cf9e266d9a43941ac0866865fd22a36a
[8/8] powerpc/fsl_booke: Enable STRICT_KERNEL_RWX
      https://git.kernel.org/powerpc/c/49e3d8ea62482625c3835f0a33ae9c1dda39ea8f

cheers