linux-kernel - Re: [PATCH v2 1/5] powerpc/code-patching: Remove #ifdef CONFIG_STRICT_KERNEL

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Message-Id: <167050321439.1457988.16908884696488370128.b4-ty@ellerman.id.au>
Date:   Thu, 08 Dec 2022 23:40:14 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     bgray@...ux.ibm.com, Nicholas Piggin <npiggin@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/5] powerpc/code-patching: Remove #ifdef CONFIG_STRICT_KERNEL_RWX

On Fri, 2 Dec 2022 09:31:39 +0100, Christophe Leroy wrote:
> No need to have one implementation of patch_instruction() for
> CONFIG_STRICT_KERNEL_RWX and one for !CONFIG_STRICT_KERNEL_RWX.
> 
> In patch_instruction(), call raw_patch_instruction() when
> !CONFIG_STRICT_KERNEL_RWX.
> 
> In poking_init(), bail out immediately, it will be equivalent
> to the weak default implementation.
> 
> [...]

Applied to powerpc/next.

[1/5] powerpc/code-patching: Remove #ifdef CONFIG_STRICT_KERNEL_RWX
      https://git.kernel.org/powerpc/c/84ecfe6f38ae4ee779ebd97ee173937fff565bf9
[2/5] powerpc/feature-fixups: Refactor entry fixups patching
      https://git.kernel.org/powerpc/c/6076dc349b1c587c74c37027efff76f0fa4646f4
[3/5] powerpc/feature-fixups: Refactor other fixups patching
      https://git.kernel.org/powerpc/c/3d1dbbca33a9c6dd3aafd4d14aaea9cc310723e1
[4/5] powerpc/feature-fixups: Do not patch init section after init
      https://git.kernel.org/powerpc/c/b988e7797d09379057cf991ae082f9ad7a309a63
[5/5] powerpc/code-patching: Remove protection against patching init addresses after init
      https://git.kernel.org/powerpc/c/6f3a81b60091031c2c14eb2373d1937b027deb46

cheers