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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 3A685C2BA83 for ; Sun, 9 Feb 2020 20:05:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 02E99207FF for ; Sun, 9 Feb 2020 20:05:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581278725; bh=Yg7GMZYy/hUBbdZzTwaLLT1cGbBZyAWRj08PI4NKb5k=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=mPyJhRpFOHqqFmrRe+6qcXcZGHJpGZupq8XEGM32Mrb8sLK8W49v8sU5xfhi6w6lf +Xz6MyI7pMt/E9ARZQUiM/GjFJ0XJhJbu+ejNkEd6qix5CS8PGfCrRDBt51CrRIb1E 9iBYuyQGnQKMOH4ZXr5hkvt9LKDjx0PMGeeAFQHc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727420AbgBIUFY (ORCPT ); Sun, 9 Feb 2020 15:05:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:38232 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727404AbgBIUFY (ORCPT ); Sun, 9 Feb 2020 15:05:24 -0500 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 873EF20726; Sun, 9 Feb 2020 20:05:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581278723; bh=Yg7GMZYy/hUBbdZzTwaLLT1cGbBZyAWRj08PI4NKb5k=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tqvrtPhu4P5XZuax5IZbIg9/W454r+SqYJFLB16SfiqJtJHaCxoSYf7Qazzg00t1y adM8T5gMDictVqgJVO434FWTRXgr87FwgAPtCIRUb0vH2CgDC0w+vy9Q8r51AZv8bU lCBtE1Sz9tjunxt39E/rnyM1/4eG5onNLsYNf/x4= Date: Sun, 9 Feb 2020 15:05:22 -0500 From: Sasha Levin To: gregkh@linuxfoundation.org Cc: pbonzini@redhat.com, thomas.lendacky@amd.com, stable@vger.kernel.org Subject: Re: FAILED: patch "[PATCH] KVM: x86: use CPUID to locate host page table reserved bits" failed to apply to 5.4-stable tree Message-ID: <20200209200522.GX3584@sasha-vm> References: <158125147044100@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <158125147044100@kroah.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Sun, Feb 09, 2020 at 01:31:10PM +0100, gregkh@linuxfoundation.org wrote: > >The patch below does not apply to the 5.4-stable tree. >If someone wants it applied there, or to any other stable or longterm >tree, then please email the backport, including the original git commit >id to . > >thanks, > >greg k-h > >------------------ original commit in Linus's tree ------------------ > >>From 7adacf5eb2d2048045d9fd8fdab861fd9e7e2e96 Mon Sep 17 00:00:00 2001 >From: Paolo Bonzini >Date: Wed, 4 Dec 2019 15:50:27 +0100 >Subject: [PATCH] KVM: x86: use CPUID to locate host page table reserved bits > >The comment in kvm_get_shadow_phys_bits refers to MKTME, but the same is actually >true of SME and SEV. Just use CPUID[0x8000_0008].EAX[7:0] unconditionally if >available, it is simplest and works even if memory is not encrypted. > >Cc: stable@vger.kernel.org >Reported-by: Tom Lendacky >Signed-off-by: Paolo Bonzini I've fixed it up and queued for 5.4 and 4.19. -- Thanks, Sasha