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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, 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 97138C433E0 for ; Wed, 3 Jun 2020 10:41:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C59C20679 for ; Wed, 3 Jun 2020 10:41:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725983AbgFCKlA (ORCPT ); Wed, 3 Jun 2020 06:41:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725828AbgFCKlA (ORCPT ); Wed, 3 Jun 2020 06:41:00 -0400 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A33BC08C5C0; Wed, 3 Jun 2020 03:41:00 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id AEA5728B; Wed, 3 Jun 2020 12:40:56 +0200 (CEST) Date: Wed, 3 Jun 2020 12:40:55 +0200 From: Joerg Roedel To: Borislav Petkov Cc: x86@kernel.org, hpa@zytor.com, Andy Lutomirski , Dave Hansen , Peter Zijlstra , Thomas Hellstrom , Jiri Slaby , Dan Williams , Tom Lendacky , Juergen Gross , Kees Cook , David Rientjes , Cfir Cohen , Erdem Aktas , Masami Hiramatsu , Mike Stunes , Joerg Roedel , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: Re: [PATCH v3 24/75] x86/boot/compressed/64: Unmap GHCB page before booting the kernel Message-ID: <20200603104055.GB20099@8bytes.org> References: <20200428151725.31091-1-joro@8bytes.org> <20200428151725.31091-25-joro@8bytes.org> <20200513111340.GD4025@zn.tnic> <20200513113011.GG18353@8bytes.org> <20200513114633.GE4025@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200513114633.GE4025@zn.tnic> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 13, 2020 at 01:46:33PM +0200, Borislav Petkov wrote: > On Wed, May 13, 2020 at 01:30:11PM +0200, Joerg Roedel wrote: > > Yeah, I had this this way in v2, but changed it upon you request[1] :) > > Yeah, I was wondering why this isn't a separate function - you like them > so much. :-P > > > [1] https://lore.kernel.org/lkml/20200402114941.GA9352@zn.tnic/ > > But that one didn't have the ghcb_fault check. Maybe it was being added > later... :) Yes, it was :) I changed it back, first in the patch adding the page-fault handler and also updated this patch. Joerg