From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C24BC433F5 for ; Tue, 8 Mar 2022 12:10:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 90BEC8D0002; Tue, 8 Mar 2022 07:10:47 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8BC3C8D0001; Tue, 8 Mar 2022 07:10:47 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7AB5B8D0002; Tue, 8 Mar 2022 07:10:47 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0253.hostedemail.com [216.40.44.253]) by kanga.kvack.org (Postfix) with ESMTP id 68BD68D0001 for ; Tue, 8 Mar 2022 07:10:47 -0500 (EST) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 28E691828A81C for ; Tue, 8 Mar 2022 12:10:47 +0000 (UTC) X-FDA: 79221102534.19.27B545D Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by imf20.hostedemail.com (Postfix) with ESMTP id 2E62D1C0005 for ; Tue, 8 Mar 2022 12:10:46 +0000 (UTC) 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" X-Rspamd-Queue-Id: 2E62D1C0005 X-Stat-Signature: af1j9qrn88gshh5oxqe8d9xt1kyjph19 X-Rspam-User: Authentication-Results: imf20.hostedemail.com; dkim=none; spf=pass (imf20.hostedemail.com: domain of michael@ellerman.id.au designates 150.107.74.76 as permitted sender) smtp.mailfrom=michael@ellerman.id.au; dmarc=none X-Rspamd-Server: rspam07 X-HE-Tag: 1646741446-801888 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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. >=20 > 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. >=20 > [...] Applied to powerpc/next. [01/13] powerpc: Fix 'sparse' checking on PPC64le https://git.kernel.org/powerpc/c/81df21de8fb45d3a55d41da9c7f57247= 97d51ce6 [02/13] powerpc: Move and rename func_descr_t https://git.kernel.org/powerpc/c/5b23cb8cc6b0aab0535253cc2aa36257= 2bab7072 [03/13] powerpc: Use 'struct func_desc' instead of 'struct ppc64_opd_entr= y' https://git.kernel.org/powerpc/c/d3e32b997a4ca2e7be71cb770bcb2c00= 0ee20b36 [04/13] powerpc: Remove 'struct ppc64_opd_entry' https://git.kernel.org/powerpc/c/0a9c5ae279c963149df9a84588281d3d= 607f7a1f [05/13] powerpc: Prepare func_desc_t for refactorisation https://git.kernel.org/powerpc/c/2fd986377d546bedaf27e36554dc9090= d272f15d [06/13] ia64: Rename 'ip' to 'addr' in 'struct fdesc' https://git.kernel.org/powerpc/c/41a88b45479da873bfc5d29ba1a545a7= 80c5329a [07/13] asm-generic: Define CONFIG_HAVE_FUNCTION_DESCRIPTORS https://git.kernel.org/powerpc/c/a257cacc38718c83cee003487e03197f= 237f5c3f [08/13] asm-generic: Define 'func_desc_t' to commonly describe function d= escriptors https://git.kernel.org/powerpc/c/0dc690e4ef5b901e9d4b53520854fbd5= c749e09d [09/13] asm-generic: Refactor dereference_[kernel]_function_descriptor() https://git.kernel.org/powerpc/c/e1478d8eaf27704db17a44dee4c53696= ed01fc9c [10/13] lkdtm: Force do_nothing() out of line https://git.kernel.org/powerpc/c/69b420ed8fd3917ac7073256b4929aa2= 46b6fe31 [11/13] lkdtm: Really write into kernel text in WRITE_KERN https://git.kernel.org/powerpc/c/b64913394f123e819bffabc79a0e48f9= 8e78dc5d [12/13] lkdtm: Fix execute_[user]_location() https://git.kernel.org/powerpc/c/72a86433049dcfe918886645ac3d19c1= eaaa67ab [13/13] lkdtm: Add a test for function descriptors protection https://git.kernel.org/powerpc/c/5e5a6c5441654d1b9e576ce4ca8a1759= e701079e cheers