From patchwork Thu Jul 16 18:18:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 1330493 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=DNYPsGwT; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4B72bW31dwz9sT6 for ; Fri, 17 Jul 2020 04:19:51 +1000 (AEST) Received: from localhost ([::1]:46590 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jw8U1-0001BZ-4h for incoming@patchwork.ozlabs.org; Thu, 16 Jul 2020 14:19:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54092) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jw8TS-00019X-Tk for qemu-devel@nongnu.org; Thu, 16 Jul 2020 14:19:14 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:43185 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jw8TQ-0004ma-MT for qemu-devel@nongnu.org; Thu, 16 Jul 2020 14:19:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594923551; 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=gz67eWvULgd0XWJXCmx2u72FxEioeNRL6S8wxfz1tu8=; b=DNYPsGwT1vJEfgQgrzLAwnRTBzgY7x32ilIFj6hfUmlP2UaBe7OZco6Bo1u5pXHc+bGK2U VX3RwYQYA5X8sVu5jPfPN3b8mfKomGnSaPHhOlfdCEKGmK/MzsLEvkc8SwP+wdPiM1ds0U QlZ4npoupx0uNV2puyKCZ4o1qeAaklc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-2-uGj__g66NfeMkQ40WSeMiQ-1; Thu, 16 Jul 2020 14:19:08 -0400 X-MC-Unique: uGj__g66NfeMkQ40WSeMiQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 6F7D51B18BCC; Thu, 16 Jul 2020 18:19:07 +0000 (UTC) Received: from localhost (ovpn-119-232.rdu2.redhat.com [10.10.119.232]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3A29272AC8; Thu, 16 Jul 2020 18:19:07 +0000 (UTC) From: Eduardo Habkost To: Peter Maydell , qemu-devel@nongnu.org Subject: [PULL 2/6] i386/cpu: Don't add unavailable_features to env->user_features Date: Thu, 16 Jul 2020 14:18:59 -0400 Message-Id: <20200716181903.1895314-3-ehabkost@redhat.com> In-Reply-To: <20200716181903.1895314-1-ehabkost@redhat.com> References: <20200716181903.1895314-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=ehabkost@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/15 19:36:06 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , Xiaoyao Li , Cameron Esfahani , Roman Bolshakov , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Xiaoyao Li Features unavailable due to absent of their dependent features should not be added to env->user_features. env->user_features only contains the feature explicity specified with -feature/+feature by user. Fixes: 99e24dbdaa68 ("target/i386: introduce generic feature dependency mechanism") Signed-off-by: Xiaoyao Li Message-Id: <20200713174436.41070-3-xiaoyao.li@intel.com> Signed-off-by: Eduardo Habkost --- target/i386/cpu.c | 1 - 1 file changed, 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index caf0334f3a..93b62b2eca 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6371,7 +6371,6 @@ static void x86_cpu_expand_features(X86CPU *cpu, Error **errp) unavailable_features & env->user_features[d->to.index], "This feature depends on other features that were not requested"); - env->user_features[d->to.index] |= unavailable_features; env->features[d->to.index] &= ~unavailable_features; } }