Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp2680025pxa; Mon, 24 Aug 2020 23:28:07 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyF/cNGW9Kn14GcLhDQuq0kxljwxiInVPx3mlE0lLQtRT8/8jh7PqEUchHJGGK/cTkvzLHm X-Received: by 2002:a17:907:20e5:: with SMTP id rh5mr1302492ejb.194.1598336887218; Mon, 24 Aug 2020 23:28:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1598336887; cv=none; d=google.com; s=arc-20160816; b=ckSWtOs8qhuPwHtXjONjffT+AvACXlG3Z0GQWHfLro/t/gVX08dno/Jeztp2K6RAQE EGhK/h+jwxaXzwTomu6wzdFGsUF0eViujxWXb+DSGx/+pRuitgRyHcLNQRnCAPB6gvJC Xg77xQ8m+kF28IGt0qtxF0rDL5OyBBNgD3CqJGii9wOQAMy5kgK/dRW4/m50VTJ5KJJ2 UW5VwMDbJuM4o6LoeaXcDO41G+Ly5eONiGYFEiPvEIgChfs4KSg/zyZTBEEvh2TkmK+z RHRzLC6iGWiORdJ//NWSsGNM12sSdBHLjV7e7+cUWV/sMpXuJ7VgCDBZ0YGIOxTK/Ebw /7GQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-transfer-encoding:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=yFpQ9uPj9zOgqKFS15cxW/0IjyxSlgS0oaYqjOv1hlg=; b=qHhziEROZufqqjd8fJhTZMI7WUlbOCen5WReVN/b2q/UPYtxVlzj6m8OuVZkUxhJlc gqdATf2UO0LQKTsWft/AW/rUl/A0Ks646zmNqk+d1Q4dgzCZSLpc0Hey9U8eE4Y4loPP 0L+iSbcsSfJFKJkv1HedKSHRANLZj11Z2c/DoJwoB/dWLu4zl4oXFPhuFIO1CLasuPmH XOoxMwg1JpcONL+0osSZlybu5CuxZcLWjiAdxWluraj6557RGzIYMe6zW82Bfl9pV/uf c3ReLgcQ8gXkT5TuPGTSwbTErveE+lBq+Moy/QZtqa5BCk2CoILKfNmb7TRcVqAeZKDH miug== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v9si7504428ejy.486.2020.08.24.23.27.44; Mon, 24 Aug 2020 23:28:07 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729026AbgHYGY3 (ORCPT + 99 others); Tue, 25 Aug 2020 02:24:29 -0400 Received: from mx2.suse.de ([195.135.220.15]:39740 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726940AbgHYGY2 (ORCPT ); Tue, 25 Aug 2020 02:24:28 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id A98B5AC23; Tue, 25 Aug 2020 06:24:57 +0000 (UTC) Date: Tue, 25 Aug 2020 08:24:23 +0200 From: Joerg Roedel To: Mike Stunes Cc: Joerg Roedel , "x86@kernel.org" , "hpa@zytor.com" , Andy Lutomirski , Dave Hansen , Peter Zijlstra , Jiri Slaby , Dan Williams , Tom Lendacky , Juergen Gross , Kees Cook , David Rientjes , Cfir Cohen , Erdem Aktas , Masami Hiramatsu , Sean Christopherson , Martin Radev , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "virtualization@lists.linux-foundation.org" Subject: Re: [PATCH v6 00/76] x86: SEV-ES Guest Support Message-ID: <20200825062423.GS3354@suse.de> References: <20200824085511.7553-1-joro@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: 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 Hi Mike, On Tue, Aug 25, 2020 at 12:21:03AM +0000, Mike Stunes wrote: > Thanks for the new update! I still see the same FSGSBASE behavior on our platform. > > That is, APs come up offline; masking out either FSGSBASE or RDPID from the > guest's CPUID results in all CPUs online. > > Is that still expected with this patch set? (As you mentioned in an earlier reply, > I’m testing on a Rome system.) The RDPID fix (removing RDPID usage from paranoid_entry) is probably not yet merged into the base you have been using. But removing RDPID from CPUID should make things work until the fix is merged. Regards, Joerg