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[23.128.96.19]) by mx.google.com with ESMTPS id d8-20020a170903230800b001518c16f4e3si628003plh.385.2022.03.08.18.03.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Mar 2022 18:03:13 -0800 (PST) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E52E2119F2D; Tue, 8 Mar 2022 16:36:18 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346678AbiCHMLn (ORCPT + 99 others); Tue, 8 Mar 2022 07:11:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234137AbiCHMLm (ORCPT ); Tue, 8 Mar 2022 07:11:42 -0500 Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49B8D3ED14; Tue, 8 Mar 2022 04:10:45 -0800 (PST) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4KCZ0d4W2hz4xvG; Tue, 8 Mar 2022 23:10:41 +1100 (AEDT) From: Michael Ellerman To: Greg Kroah-Hartman , Andrew Morton , Helge Deller , Christophe Leroy , Paul Mackerras , Benjamin Herrenschmidt , Michael Ellerman , "James E.J. Bottomley" , Kees Cook , Arnd Bergmann Cc: linuxppc-dev@lists.ozlabs.org, linux-parisc@vger.kernel.org, linux-arch@vger.kernel.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org In-Reply-To: References: Subject: Re: [PATCH v4 00/13] Fix LKDTM for PPC64/IA64/PARISC v4 Message-Id: <164674125384.3322453.12551849351633372798.b4-ty@ellerman.id.au> Date: Tue, 08 Mar 2022 23:07:33 +1100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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