From patchwork Wed Aug 15 16:13:28 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 177736 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 470942C007E for ; Thu, 16 Aug 2012 02:55:32 +1000 (EST) Received: from localhost ([::1]:59562 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T1gFa-000793-Ha for incoming@patchwork.ozlabs.org; Wed, 15 Aug 2012 12:15:18 -0400 Received: from eggs.gnu.org ([208.118.235.92]:42149) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T1gEv-0005ef-Ma for qemu-devel@nongnu.org; Wed, 15 Aug 2012 12:14:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1T1gEu-0003xr-F7 for qemu-devel@nongnu.org; Wed, 15 Aug 2012 12:14:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:29710) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1T1gEu-0003xl-6Z for qemu-devel@nongnu.org; Wed, 15 Aug 2012 12:14:36 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q7FGEVFw026809 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 15 Aug 2012 12:14:31 -0400 Received: from thinkpad.com (vpn-238-39.phx2.redhat.com [10.3.238.39]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id q7FGDtHw029187; Wed, 15 Aug 2012 12:14:28 -0400 From: Igor Mammedov To: qemu-devel@nongnu.org Date: Wed, 15 Aug 2012 18:13:28 +0200 Message-Id: <1345047221-26898-9-git-send-email-imammedo@redhat.com> In-Reply-To: <1345047221-26898-1-git-send-email-imammedo@redhat.com> References: <1345047221-26898-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: aliguori@us.ibm.com, stefanha@linux.vnet.ibm.com, gleb@redhat.com, vijaymohan.pandarathil@hp.com, jan.kiszka@siemens.com, mtosatti@redhat.com, mdroth@linux.vnet.ibm.com, blauwirbel@gmail.com, avi@redhat.com, pbonzini@redhat.com, akong@redhat.com, lersek@redhat.com, afaerber@suse.de, ehabkost@redhat.com Subject: [Qemu-devel] [PATCH 08/21] target-i386: convert 'hv_spinlocks' feature into property X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Igor Mammedov --- target-i386/cpu.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 440e724..777b8ce 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -963,6 +963,32 @@ static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, void *opaque, cpu->env.tsc_khz = value / 1000; } +#if !defined(CONFIG_USER_ONLY) +static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + int64_t value = hyperv_get_spinlock_retries(); + + visit_type_int(v, &value, name, errp); +} + +static void x86_set_hv_spinlocks(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + int64_t value; + + visit_type_int(v, &value, name, errp); + if (error_is_set(errp)) { + return; + } + if (!value) { + error_set(errp, QERR_PROPERTY_VALUE_BAD, "", name, "0"); + return; + } + hyperv_set_spinlock_retries(value); +} +#endif + static void cpudef_2_x86_cpu(X86CPU *cpu, x86_def_t *def, Error **errp) { CPUX86State *env = &cpu->env; @@ -1919,6 +1945,11 @@ static void x86_cpu_initfn(Object *obj) object_property_add(obj, "tsc-frequency", "int", x86_cpuid_get_tsc_freq, x86_cpuid_set_tsc_freq, NULL, NULL, NULL); +#if !defined(CONFIG_USER_ONLY) + object_property_add(obj, "hv_spinlocks", "int", + x86_get_hv_spinlocks, + x86_set_hv_spinlocks, NULL, NULL, NULL); +#endif x86_register_cpuid_properties(obj, feature_name); x86_register_cpuid_properties(obj, ext_feature_name); x86_register_cpuid_properties(obj, ext2_feature_name);