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 X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFF93C43331 for ; Sat, 7 Sep 2019 03:56:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B0FF121670 for ; Sat, 7 Sep 2019 03:56:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567828616; bh=7YrNko7HXetW4VBcuIgZksgwHYUgKSmVSaHyJlR2ino=; h=In-Reply-To:References:Cc:To:From:Subject:Date:List-ID:From; b=dJiZguxine36UglcRnXYeGJqRjR+hb+XhTg1/xf8D7QjudG+NPt3mo6CrUMEeqv/N AjQNi1NQ02iSWDGwE/HWlRu1RKYUBQs5gxb2tWwxkXGzqiDDDfcDf5NUoA2NShFZsW qcNtO45NpWxIS9Dv0AXdfseUDUXOB28GuJHLXqLA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390638AbfIGD4z (ORCPT ); Fri, 6 Sep 2019 23:56:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:46668 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390233AbfIGD4z (ORCPT ); Fri, 6 Sep 2019 23:56:55 -0400 Received: from kernel.org (unknown [104.132.0.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DF8B2208C3; Sat, 7 Sep 2019 03:56:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567828615; bh=7YrNko7HXetW4VBcuIgZksgwHYUgKSmVSaHyJlR2ino=; h=In-Reply-To:References:Cc:To:From:Subject:Date:From; b=nRKaL6VcRNZEsSmfvgkrEJ2PMTT9TSKrk2NoJN/y7oi3WW7NriDU3E34PxXYYzp+v TD+zDA1CSTXND7O8UeQ/Oo+g1pOiKE1qRtD/4/NpysNTau5PGGLwzWMtXSHe2FoEWs cALHxjeiTgO0nkMlHrz1htCmWj0XjtaYuaaSGhHA= Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20190906235110.15566-1-prsriva@linux.microsoft.com> References: <20190906235110.15566-1-prsriva@linux.microsoft.com> Cc: arnd@arndb.de, jean-philippe@linaro.org, allison@lohutok.net, kristina.martsenko@arm.org, yamada.masahiro@socionext.com, duwe@lst.de, mark.rutland@arm.com, tglx@linutronix.de, takahiro.akashi@linaro.org, james.morse@arm.org, catalin.marinas@arm.com, bauerman@linux.ibm.com To: Prakhar Srivastava , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org From: Stephen Boyd Subject: Re: [RFC][PATCH v1 0/1] Add support for arm64 to carry ima measurement log in kexec_file_load User-Agent: alot/0.8.1 Date: Fri, 06 Sep 2019 20:56:54 -0700 Message-Id: <20190907035654.DF8B2208C3@mail.kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Prakhar Srivastava (2019-09-06 16:51:09) > Add support for arm64 to carry ima measurement log > to the next kexec'ed session triggered via kexec_file_load. > - Top of Linux 5.3-rc6 >=20 > Currently during kexec the kernel file signatures are/can be validated > prior to actual load, the information(PE/ima signature) is not carried > to the next session. This lead to loss of information. >=20 > Carrying forward the ima measurement log to the next kexec'ed session. > This allows a verifying party to get the entire runtime event log since > the last full reboot since that is when PCRs were last reset. >=20 > Prakhar Srivastava (1): > Add support for arm64 to carry ima measurement log in kexec_file_load Did anything change from the last round? Please include changelogs so we know what to look for.