linux-kernel - Re: [PATCH v4 00/13] Fix LKDTM for PPC64/IA64/PARISC v4

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Message-Id: <164674125384.3322453.12551849351633372798.b4-ty@ellerman.id.au>
Date:   Tue, 08 Mar 2022 23:07:33 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Helge Deller <deller@....de>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Paul Mackerras <paulus@...ba.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
        Kees Cook <keescook@...omium.org>,
        Arnd Bergmann <arnd@...db.de>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-parisc@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-ia64@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v4 00/13] Fix LKDTM for PPC64/IA64/PARISC v4

On Tue, 15 Feb 2022 13:40:55 +0100, Christophe Leroy wrote:
> PPC64/IA64/PARISC have function descriptors. LKDTM doesn't work
> on those three architectures because LKDTM messes up function
> descriptors with functions.
> 
> This series does some cleanup in the three architectures and
> refactors function descriptors so that it can then easily use it
> in a generic way in LKDTM.
> 
> [...]

Applied to powerpc/next.

[01/13] powerpc: Fix 'sparse' checking on PPC64le
        https://git.kernel.org/powerpc/c/81df21de8fb45d3a55d41da9c7f5724797d51ce6
[02/13] powerpc: Move and rename func_descr_t
        https://git.kernel.org/powerpc/c/5b23cb8cc6b0aab0535253cc2aa362572bab7072
[03/13] powerpc: Use 'struct func_desc' instead of 'struct ppc64_opd_entry'
        https://git.kernel.org/powerpc/c/d3e32b997a4ca2e7be71cb770bcb2c000ee20b36
[04/13] powerpc: Remove 'struct ppc64_opd_entry'
        https://git.kernel.org/powerpc/c/0a9c5ae279c963149df9a84588281d3d607f7a1f
[05/13] powerpc: Prepare func_desc_t for refactorisation
        https://git.kernel.org/powerpc/c/2fd986377d546bedaf27e36554dc9090d272f15d
[06/13] ia64: Rename 'ip' to 'addr' in 'struct fdesc'
        https://git.kernel.org/powerpc/c/41a88b45479da873bfc5d29ba1a545a780c5329a
[07/13] asm-generic: Define CONFIG_HAVE_FUNCTION_DESCRIPTORS
        https://git.kernel.org/powerpc/c/a257cacc38718c83cee003487e03197f237f5c3f
[08/13] asm-generic: Define 'func_desc_t' to commonly describe function descriptors
        https://git.kernel.org/powerpc/c/0dc690e4ef5b901e9d4b53520854fbd5c749e09d
[09/13] asm-generic: Refactor dereference_[kernel]_function_descriptor()
        https://git.kernel.org/powerpc/c/e1478d8eaf27704db17a44dee4c53696ed01fc9c
[10/13] lkdtm: Force do_nothing() out of line
        https://git.kernel.org/powerpc/c/69b420ed8fd3917ac7073256b4929aa246b6fe31
[11/13] lkdtm: Really write into kernel text in WRITE_KERN
        https://git.kernel.org/powerpc/c/b64913394f123e819bffabc79a0e48f98e78dc5d
[12/13] lkdtm: Fix execute_[user]_location()
        https://git.kernel.org/powerpc/c/72a86433049dcfe918886645ac3d19c1eaaa67ab
[13/13] lkdtm: Add a test for function descriptors protection
        https://git.kernel.org/powerpc/c/5e5a6c5441654d1b9e576ce4ca8a1759e701079e

cheers