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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5463ECAAD1 for ; Wed, 31 Aug 2022 18:01:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231594AbiHaSBu (ORCPT ); Wed, 31 Aug 2022 14:01:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230437AbiHaSBq (ORCPT ); Wed, 31 Aug 2022 14:01:46 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E790BC6962 for ; Wed, 31 Aug 2022 11:01:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1661968905; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Rk0SIObkGc/OzoHqCX/ztgHsCZlml4ew8HfMbq2hEx8=; b=HUBf2UMv9x0ydgDtWwel1wYn55EZANCjDtWFGJMDCfH+nNWNi4qNBqQ5QNyPK/H1bSR1B/ 7qiFO8+sKoEmCmScr1danzQN5ZHxzjADqrRPwtxpXzNaFvAS52lE5xvFK2iIhfgPf9/wfh c3PK88WgzkPZt3P0Rbo2fv/UfuqAnV4= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-393-9aXchQ55PFKabLqbci9nsA-1; Wed, 31 Aug 2022 14:01:42 -0400 X-MC-Unique: 9aXchQ55PFKabLqbci9nsA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 7D016294EDE3; Wed, 31 Aug 2022 18:01:41 +0000 (UTC) Received: from starship (unknown [10.40.194.96]) by smtp.corp.redhat.com (Postfix) with ESMTP id AC928C15BB3; Wed, 31 Aug 2022 18:01:39 +0000 (UTC) Message-ID: <30eee80130339f31847caa9fc0aa79999c0902d5.camel@redhat.com> Subject: Re: [PATCH 03/19] Revert "KVM: SVM: Introduce hybrid-AVIC mode" From: Maxim Levitsky To: Jim Mattson Cc: Sean Christopherson , Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Suravee Suthikulpanit , Li RongQing Date: Wed, 31 Aug 2022 21:01:38 +0300 In-Reply-To: References: <20220831003506.4117148-1-seanjc@google.com> <20220831003506.4117148-4-seanjc@google.com> <17e776dccf01e03bce1356beb8db0741e2a13d9a.camel@redhat.com> <84c2e836d6ba4eae9fa20329bcbc1d19f8134b0f.camel@redhat.com> <59206c01da236c836c58ff96c5b4123d18a28b2b.camel@redhat.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.5 (3.36.5-2.fc32) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.85 on 10.11.54.8 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Wed, 2022-08-31 at 10:58 -0700, Jim Mattson wrote: > On Wed, Aug 31, 2022 at 10:49 AM Maxim Levitsky wrote: > > > In this case I say that there is no wiggle room for KVM to not allow different APIC bases > > on each CPU - the spec 100% allows it, but in KVM it is broken. > > This would actually be my first candidate for > Documentation/virt/kvm/x86/errata.rst! > 100% agree. Best regards, Maxim Levitsky