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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 BA160CA90AF for ; Wed, 13 May 2020 11:46:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 86A0920740 for ; Wed, 13 May 2020 11:46:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="ArE0U+8M" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731037AbgEMLqj (ORCPT ); Wed, 13 May 2020 07:46:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725982AbgEMLqj (ORCPT ); Wed, 13 May 2020 07:46:39 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 505A8C061A0C; Wed, 13 May 2020 04:46:39 -0700 (PDT) Received: from zn.tnic (p200300EC2F0AC300A0B029A08DBD019D.dip0.t-ipconnect.de [IPv6:2003:ec:2f0a:c300:a0b0:29a0:8dbd:19d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 473AC1EC0330; Wed, 13 May 2020 13:46:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1589370397; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=euj2zi24Uj3leIrpx0insV4176ao8ao6nc3wRKwDosc=; b=ArE0U+8MeibbTsaC8/2kOx7cnQiO9Cv2Cp0QzXJfoHMCFkiSp0a15+38EqiJNMgzw11Xn0 y+D7M3OHFL/8Jbj9aVmU6vvmkxeCEOXoViqE54KJI3pHn8sctpNby9E8L//MUXeh/7MgyI PmlIWGJtrSTKzuvUhODOpsyRRMUzaRc= Date: Wed, 13 May 2020 13:46:33 +0200 From: Borislav Petkov To: Joerg Roedel 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: <20200513114633.GE4025@zn.tnic> References: <20200428151725.31091-1-joro@8bytes.org> <20200428151725.31091-25-joro@8bytes.org> <20200513111340.GD4025@zn.tnic> <20200513113011.GG18353@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200513113011.GG18353@8bytes.org> User-Agent: Mutt/1.10.1 (2018-07-13) 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 01:30:11PM +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... :) Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette