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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id d76si4743847pfd.11.2022.02.09.04.34.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Feb 2022 04:34:31 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@ellerman.id.au header.s=201909 header.b=X4BI56kf; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 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 69438E13BB4E; Wed, 9 Feb 2022 02:22:38 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233331AbiBIFHR (ORCPT + 99 others); Wed, 9 Feb 2022 00:07:17 -0500 Received: from gmail-smtp-in.l.google.com ([23.128.96.19]:42376 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377857AbiBIEn3 (ORCPT ); Tue, 8 Feb 2022 23:43:29 -0500 Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E4CEC061577; Tue, 8 Feb 2022 20:43:27 -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 4JtnLt20kgz4xcp; Wed, 9 Feb 2022 15:43:17 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1644381801; bh=h1IrtofJGjl9dOe2iPaZfbAAnbqY/viWBgGDEdVXQKk=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=X4BI56kfUn4imVm/I1LyMZe7f9s76Evbv0Pjn7HGfFFK68KUGaoCPH04q/DPmVU9g wR4AbQ/owkq/8kQKt0JOU1uOB+WagWSG+QKJIV7XEnJTJKHhDsign/9EnXKGREu9LK sVbaWMzAYonS1AI1YnbRd/ekzycbGZFh2GxEaCv7HdATX0qxEWn6/9yo6zI5z+ThBf qQNmyglbl+FwhdR/8QyKUyZtPKN+6fK5Fi+e9xdsGsINyiETC8A4Vxoz9lcnCcyeuM lrxTnV9IQhCQyG7h2V2xQJmSWs+HKYmIU+sBC2hGE8wYyYkl6AWMsv2I0fSlvW1rKx y/TGj1iyy/dTg== From: Michael Ellerman To: Michal Suchanek , keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-integrity@vger.kernel.org Cc: Michal Suchanek , kexec@lists.infradead.org, Philipp Rudo , Mimi Zohar , Nayna , Rob Herring , linux-s390@vger.kernel.org, Vasily Gorbik , Lakshmi Ramasubramanian , Heiko Carstens , Jessica Yu , linux-kernel@vger.kernel.org, David Howells , Christian Borntraeger , Luis Chamberlain , Paul Mackerras , Hari Bathini , Alexander Gordeev , linuxppc-dev@lists.ozlabs.org, Frank van der Linden , Thiago Jung Bauermann , Daniel Axtens , buendgen@de.ibm.com, Benjamin Herrenschmidt , Christian Borntraeger , Herbert Xu , "David S. Miller" , Dmitry Kasatkin , James Morris , "Serge E. Hallyn" , Sven Schnelle , Baoquan He , linux-security-module@vger.kernel.org Subject: Re: [PATCH v5 2/6] powerpc/kexec_file: Add KEXEC_SIG support. In-Reply-To: References: Date: Wed, 09 Feb 2022 15:43:17 +1100 Message-ID: <87sfsslkey.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 Michal Suchanek writes: > Copy the code from s390x > > Both powerpc and s390x use appended signature format (as opposed to EFI > based patforms using PE format). > > Signed-off-by: Michal Suchanek > --- > v3: - Philipp Rudo : Update the comit message with > explanation why the s390 code is usable on powerpc. > - Include correct header for mod_check_sig > - Nayna : Mention additional IMA features > in kconfig text > --- > arch/powerpc/Kconfig | 16 ++++++++++++++++ > arch/powerpc/kexec/elf_64.c | 36 ++++++++++++++++++++++++++++++++++++ > 2 files changed, 52 insertions(+) I haven't tested this on powerpc, but assuming you have Michal this looks OK to me. Acked-by: Michael Ellerman cheers