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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,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 65AF7CA9EC5 for ; Wed, 30 Oct 2019 12:16:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 44FB22083E for ; Wed, 30 Oct 2019 12:16:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726825AbfJ3MQI (ORCPT ); Wed, 30 Oct 2019 08:16:08 -0400 Received: from bilbo.ozlabs.org ([203.11.71.1]:36895 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726088AbfJ3MQH (ORCPT ); Wed, 30 Oct 2019 08:16:07 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 4736qn4LRgz9sPj; Wed, 30 Oct 2019 23:16:05 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 05d9a952832cb206a32e3705eff6edebdb2207e7 In-Reply-To: <20190911163433.12822-1-bauerman@linux.ibm.com> To: Thiago Jung Bauermann , linuxppc-dev@lists.ozlabs.org From: Michael Ellerman Cc: Mike Anderson , Ram Pai , linux-kernel@vger.kernel.org, Paul Mackerras , Thiago Jung Bauermann Subject: Re: [PATCH] powerpc/prom_init: Undo relocation before entering secure mode Message-Id: <4736qn4LRgz9sPj@ozlabs.org> Date: Wed, 30 Oct 2019 23:16:05 +1100 (AEDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2019-09-11 at 16:34:33 UTC, Thiago Jung Bauermann wrote: > The ultravisor will do an integrity check of the kernel image but we > relocated it so the check will fail. Restore the original image by > relocating it back to the kernel virtual base address. > > This works because during build vmlinux is linked with an expected virtual > runtime address of KERNELBASE. > > Fixes: 6a9c930bd775 ("powerpc/prom_init: Add the ESM call to prom_init") > Signed-off-by: Thiago Jung Bauermann Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/05d9a952832cb206a32e3705eff6edebdb2207e7 cheers