From patchwork Thu Oct 4 20:48:59 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 1548191 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id E104940D7F for ; Thu, 4 Oct 2012 20:49:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757504Ab2JDUtC (ORCPT ); Thu, 4 Oct 2012 16:49:02 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38489 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757303Ab2JDUsP (ORCPT ); Thu, 4 Oct 2012 16:48:15 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q94KmCtk000953 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 4 Oct 2012 16:48:13 -0400 Received: from blackpad.lan.raisama.net (vpn1-7-183.gru2.redhat.com [10.97.7.183]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q94KmCsT019999; Thu, 4 Oct 2012 16:48:12 -0400 Received: by blackpad.lan.raisama.net (Postfix, from userid 500) id A2A26203628; Thu, 4 Oct 2012 17:49:12 -0300 (BRT) From: Eduardo Habkost To: qemu-devel@nongnu.org Cc: kvm@vger.kernel.org, Igor Mammedov , Avi Kivity , Gleb Natapov , Marcelo Tosatti , =?UTF-8?q?Andreas=20F=C3=A4rber?= Subject: [PATCH 07/15] i386: kvm: kvm_arch_get_supported_cpuid: replace if+switch with single 'if' Date: Thu, 4 Oct 2012 17:48:59 -0300 Message-Id: <1349383747-19383-8-git-send-email-ehabkost@redhat.com> In-Reply-To: <1349383747-19383-1-git-send-email-ehabkost@redhat.com> References: <1349383747-19383-1-git-send-email-ehabkost@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Additional fixups will be added, and making them a single 'if/else if' chain makes it clearer than two nested switch statements. Signed-off-by: Eduardo Habkost --- target-i386/kvm.c | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-) diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 7115921..084b40c 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -193,20 +193,15 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s, uint32_t function, /* Fixups for the data returned by KVM, below */ - if (reg == R_EDX) { - switch (function) { - case 1: - /* KVM before 2.6.30 misreports the following features */ - ret |= CPUID_MTRR | CPUID_PAT | CPUID_MCE | CPUID_MCA; - break; - case 0x80000001: - /* On Intel, kvm returns cpuid according to the Intel spec, - * so add missing bits according to the AMD spec: - */ - cpuid_1_edx = kvm_arch_get_supported_cpuid(s, 1, 0, R_EDX); - ret |= cpuid_1_edx & CPUID_EXT2_AMD_ALIASES; - break; - } + if (function == 1 && reg == R_EDX) { + /* KVM before 2.6.30 misreports the following features */ + ret |= CPUID_MTRR | CPUID_PAT | CPUID_MCE | CPUID_MCA; + } else if (function == 0x80000001 && reg == R_EDX) { + /* On Intel, kvm returns cpuid according to the Intel spec, + * so add missing bits according to the AMD spec: + */ + cpuid_1_edx = kvm_arch_get_supported_cpuid(s, 1, 0, R_EDX); + ret |= cpuid_1_edx & CPUID_EXT2_AMD_ALIASES; } g_free(cpuid);