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 4CFF6C2BA83 for ; Wed, 12 Feb 2020 09:47:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1857D20675 for ; Wed, 12 Feb 2020 09:47:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="H4wRIpkK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728767AbgBLJra (ORCPT ); Wed, 12 Feb 2020 04:47:30 -0500 Received: from mail.skyhub.de ([5.9.137.197]:54502 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728605AbgBLJra (ORCPT ); Wed, 12 Feb 2020 04:47:30 -0500 Received: from zn.tnic (p200300EC2F09E80011DF4A8A67D9D17B.dip0.t-ipconnect.de [IPv6:2003:ec:2f09:e800:11df:4a8a:67d9:d17b]) (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 D187F1EC0CE4; Wed, 12 Feb 2020 10:47:28 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1581500848; 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=A+UxdxRfhb2KxZ5sW3vuVAuCDanzPsN8zts9XRHkNTA=; b=H4wRIpkKfQOSd93tLrrVNgqNNdrbHHkjFWCmVHmTbEKhLJcSVbWj2nvtHtVCsC2LgAhyHj oG36/dDcP6WZoXCIEKYe/baFZv/TOp6Y33MZHRWP0ZcYkLEZy1KNy+HPe8vV1tZ7K8gre8 0rFkquLVMlKS3piZC/BMj+j4srUnAi8= Date: Wed, 12 Feb 2020 10:47:21 +0100 From: Borislav Petkov To: Arvind Sankar Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org, Michael Matz Subject: Re: [PATCH v2] x86/boot: Use 32-bit (zero-extended) move for z_output_len Message-ID: <20200212094721.GB30793@zn.tnic> References: <20200211161739.GE32279@zn.tnic> <20200211173333.1722739-1-nivedita@alum.mit.edu> <20200211181559.GI32279@zn.tnic> <20200211192739.GA1761914@rani.riverdale.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200211192739.GA1761914@rani.riverdale.lan> 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 Tue, Feb 11, 2020 at 02:27:39PM -0500, Arvind Sankar wrote: > Yes, this is just a "neatening" patch to use a more appropriate > instruction. There would have to be a lot of work to allow kernels to be > bigger than 2Gb, And yet we're bloating up, right into that limit... ;-\ -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette