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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS autolearn=ham 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 23AB0C43381 for ; Thu, 28 Feb 2019 09:35:32 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CC9DD2171F for ; Thu, 28 Feb 2019 09:35:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CC9DD2171F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4496q56DhtzDqPv for ; Thu, 28 Feb 2019 20:35:29 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4496Vg5mc4zDqL2 for ; Thu, 28 Feb 2019 20:21:15 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 4496Vg3Rpfz9sBF; Thu, 28 Feb 2019 20:21:15 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 7b62f9bd2246b7d3d086e571397c14ba52645ef1 X-Patchwork-Hint: ignore In-Reply-To: <20190227030229.12814-1-jniethe5@gmail.com> To: Jordan Niethe , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Subject: Re: powerpc/powernv: Make opal log only readable by root Message-Id: <4496Vg3Rpfz9sBF@ozlabs.org> Date: Thu, 28 Feb 2019 20:21:15 +1100 (AEDT) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jordan Niethe Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, 2019-02-27 at 03:02:29 UTC, Jordan Niethe wrote: > Currently the opal log is globally readable. It is kernel policy to limit > the visibility of physical addresses / kernel pointers to root. > Given this and the fact the opal log may contain this information it would > be better to limit the readability to root. > > Signed-off-by: Jordan Niethe > Reviewed-by: Stewart Smith > Reviewed-by: Andrew Donnellan Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/7b62f9bd2246b7d3d086e571397c14ba cheers