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Tue, 25 Aug 2020 06:24:29 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OHtnud2NOVC8 for ; Tue, 25 Aug 2020 06:24:29 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by hemlock.osuosl.org (Postfix) with ESMTPS id 329C787CCB for ; Tue, 25 Aug 2020 06:24:29 +0000 (UTC) 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 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-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Cc: Juergen Gross , Tom Lendacky , Dave Hansen , Kees Cook , "kvm@vger.kernel.org" , Peter Zijlstra , Cfir Cohen , Joerg Roedel , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , Sean Christopherson , "virtualization@lists.linux-foundation.org" , Martin Radev , Masami Hiramatsu , Andy Lutomirski , "hpa@zytor.com" , Erdem Aktas , David Rientjes , Dan Williams , Jiri Slaby X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" SGkgTWlrZSwKCk9uIFR1ZSwgQXVnIDI1LCAyMDIwIGF0IDEyOjIxOjAzQU0gKzAwMDAsIE1pa2Ug U3R1bmVzIHdyb3RlOgo+IFRoYW5rcyBmb3IgdGhlIG5ldyB1cGRhdGUhIEkgc3RpbGwgc2VlIHRo ZSBzYW1lIEZTR1NCQVNFIGJlaGF2aW9yIG9uIG91ciBwbGF0Zm9ybS4KPiAKPiBUaGF0IGlzLCBB UHMgY29tZSB1cCBvZmZsaW5lOyBtYXNraW5nIG91dCBlaXRoZXIgRlNHU0JBU0Ugb3IgUkRQSUQg ZnJvbSB0aGUKPiBndWVzdCdzIENQVUlEIHJlc3VsdHMgaW4gYWxsIENQVXMgb25saW5lLgo+IAo+ IElzIHRoYXQgc3RpbGwgZXhwZWN0ZWQgd2l0aCB0aGlzIHBhdGNoIHNldD8gKEFzIHlvdSBtZW50 aW9uZWQgaW4gYW4gZWFybGllciByZXBseSwKPiBJ4oCZbSB0ZXN0aW5nIG9uIGEgUm9tZSBzeXN0 ZW0uKQoKVGhlIFJEUElEIGZpeCAocmVtb3ZpbmcgUkRQSUQgdXNhZ2UgZnJvbSBwYXJhbm9pZF9l bnRyeSkgaXMgcHJvYmFibHkgbm90CnlldCBtZXJnZWQgaW50byB0aGUgYmFzZSB5b3UgaGF2ZSBi ZWVuIHVzaW5nLiBCdXQgcmVtb3ZpbmcgUkRQSUQgZnJvbQpDUFVJRCBzaG91bGQgbWFrZSB0aGlu Z3Mgd29yayB1bnRpbCB0aGUgZml4IGlzIG1lcmdlZC4KClJlZ2FyZHMsCgoJSm9lcmcKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVmlydHVhbGl6YXRpb24g bWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0 dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxp emF0aW9u 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=-5.3 required=3.0 tests=BAYES_00, 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 1B0E0C433E1 for ; Tue, 25 Aug 2020 06:24:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F2360207D3 for ; Tue, 25 Aug 2020 06:24:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729023AbgHYGY3 (ORCPT ); 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: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@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