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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 4FA33CA9EA0 for ; Fri, 25 Oct 2019 09:49:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 28E6321D81 for ; Fri, 25 Oct 2019 09:49:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439251AbfJYJtm (ORCPT ); Fri, 25 Oct 2019 05:49:42 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:43828 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2439160AbfJYJtl (ORCPT ); Fri, 25 Oct 2019 05:49:41 -0400 Received: from DGGEMM404-HUB.china.huawei.com (unknown [172.30.72.54]) by Forcepoint Email with ESMTP id 09E827E0A4A560F52CB7; Fri, 25 Oct 2019 17:49:33 +0800 (CST) Received: from dggeme715-chm.china.huawei.com (10.1.199.111) by DGGEMM404-HUB.china.huawei.com (10.3.20.212) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 25 Oct 2019 17:49:32 +0800 Received: from dggeme763-chm.china.huawei.com (10.3.19.109) by dggeme715-chm.china.huawei.com (10.1.199.111) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Fri, 25 Oct 2019 17:49:31 +0800 Received: from dggeme763-chm.china.huawei.com ([10.6.66.36]) by dggeme763-chm.china.huawei.com ([10.6.66.36]) with mapi id 15.01.1713.004; Fri, 25 Oct 2019 17:49:31 +0800 From: linmiaohe To: Paolo Bonzini CC: "rkrcmar@redhat.com" , "sean.j.christopherson@intel.com" , "vkuznets@redhat.com" , "wanpengli@tencent.com" , "jmattson@google.com" , "joro@8bytes.org" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "hpa@zytor.com" , "x86@kernel.org" , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] KVM: avoid unnecessary bitmap clear ops Thread-Topic: [PATCH] KVM: avoid unnecessary bitmap clear ops Thread-Index: AdWLGPUbWU4zWQBTHE+yWMGIt2B/2Q== Date: Fri, 25 Oct 2019 09:49:31 +0000 Message-ID: <5a9c7a85a5b14542ab773d5a5e454286@huawei.com> Accept-Language: en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.184.189.20] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQpPbiAyNS8xMC8xOSAxNzo0MywgUGFvbG8gd3JvdGU6DQo+IE9uIDI1LzEwLzE5IDA0OjI0LCBN aWFvaGUgTGluIHdyb3RlOg0KPj4gV2hlbiBzZXQgb25lIGJpdCBpbiBiaXRtYXAsIHRoZXJlIGlz IG5vIG5lZWQgdG8gY2xlYXIgaXQgYmVmb3JlLg0KPg0KPkhpLA0KPg0KPmluIGdlbmVyYWwgdGhl IExpbnV4IGNvZGluZyBzdHlsZSBwcmVmZXJzOg0KPg0KPglhID0geDsNCj4JaWYgKC4uLik7DQo+ CQlhID0geTsNCj4NCj50bw0KPg0KPglpZiAoLi4uKQ0KPgkJYSA9IHk7DQo+CWVsc2UNCj4JCWEg PSB4Ow0KPg0KPndoaWNoIGlzIHdoeSB0aGVzZSBsaW5lcyB3ZXJlIHdyaXR0ZW4gdGhpcyB3YXku DQoNCk1hbnkgdGhhbmtzIGZvciB5b3VyIGV4cGxhbmF0aW9uLiBJIHNlZS4NCkhhdmUgYSBuaWNl IGRheS4NCg0KPg0KPlRoYW5rcywNCj4NCj5QYW9sbw0KPg0K