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=-3.8 required=3.0 tests=BAYES_00, 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 0B4D6C07E96 for ; Tue, 13 Jul 2021 08:21:39 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6F87F611C0 for ; Tue, 13 Jul 2021 08:21:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F87F611C0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49878 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m3Dfd-0006SD-Ey for qemu-devel@archiver.kernel.org; Tue, 13 Jul 2021 04:21:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39984) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m3DeU-0005Bo-TT for qemu-devel@nongnu.org; Tue, 13 Jul 2021 04:20:26 -0400 Received: from mga09.intel.com ([134.134.136.24]:56319) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m3DeS-0008UG-Cv for qemu-devel@nongnu.org; Tue, 13 Jul 2021 04:20:26 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10043"; a="210097572" X-IronPort-AV: E=Sophos;i="5.84,236,1620716400"; d="scan'208";a="210097572" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2021 01:20:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,236,1620716400"; d="scan'208";a="429966874" Received: from fmsmsx604.amr.corp.intel.com ([10.18.126.84]) by orsmga002.jf.intel.com with ESMTP; 13 Jul 2021 01:20:11 -0700 Received: from shsmsx604.ccr.corp.intel.com (10.109.6.214) by fmsmsx604.amr.corp.intel.com (10.18.126.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.10; Tue, 13 Jul 2021 01:20:10 -0700 Received: from shsmsx601.ccr.corp.intel.com (10.109.6.141) by SHSMSX604.ccr.corp.intel.com (10.109.6.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.10; Tue, 13 Jul 2021 16:20:08 +0800 Received: from shsmsx601.ccr.corp.intel.com ([10.109.6.141]) by SHSMSX601.ccr.corp.intel.com ([10.109.6.141]) with mapi id 15.01.2242.010; Tue, 13 Jul 2021 16:20:08 +0800 From: "Wang, Wei W" To: Peter Xu Subject: RE: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty() Thread-Topic: [PATCH] migration: Move bitmap_mutex out of migration_bitmap_clear_dirty() Thread-Index: AQHXbeunvJLboMuimkuCIYxaPrgzEKsth5XAgAAGCwCAAWbAwIAGyxGAgAEKbICAAHLHgIABKgLggACGHwCAAUoocIAACfIAgAZdEOA= Date: Tue, 13 Jul 2021 08:20:08 +0000 Message-ID: <22867e1aa6fe4533943e912b4b2e080f@intel.com> References: <20210630200805.280905-1-peterx@redhat.com> <33f137dae5c346078a3a7a658bb5f1ab@intel.com> <27cb8a0141fa493a8d4bb6bb918e8a82@intel.com> <2eb1ccd7105d4823898ea68a614d16f9@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.5.1.3 x-originating-ip: [10.239.127.36] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Received-SPF: pass client-ip=134.134.136.24; envelope-from=wei.w.wang@intel.com; helo=mga09.intel.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: Hailiang Zhang , David Hildenbrand , Juan Quintela , "qemu-devel@nongnu.org" , "Dr . David Alan Gilbert" , Leonardo Bras Soares Passos Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" T24gRnJpZGF5LCBKdWx5IDksIDIwMjEgMTA6NDggUE0sIFBldGVyIFh1IHdyb3RlOg0KPiBPbiBG cmksIEp1bCAwOSwgMjAyMSBhdCAwODo1ODowOEFNICswMDAwLCBXYW5nLCBXZWkgVyB3cm90ZToN Cj4gPiBPbiBGcmlkYXksIEp1bHkgOSwgMjAyMSAyOjMxIEFNLCBQZXRlciBYdSB3cm90ZToNCj4g PiA+ID4gPiBZZXMgSSB0aGluayB0aGlzIGlzIHRoZSBwbGFjZSBJIGRpZG4ndCBtYWtlIG15c2Vs ZiBjbGVhci4gIEl0J3MNCj4gPiA+ID4gPiBub3QgYWJvdXQgc2xlZXBpbmcsIGl0J3MgYWJvdXQg dGhlIGNtcHhjaGcgYmVpbmcgZXhwZW5zaXZlDQo+ID4gPiA+ID4gYWxyZWFkeSB3aGVuIHRoZSB2 bQ0KPiA+ID4gaXMgaHVnZS4NCj4gPiA+ID4NCj4gPiA+ID4gT0suDQo+ID4gPiA+IEhvdyBkaWQg eW91IHJvb3QgY2F1c2UgdGhhdCBpdCdzIGNhdXNlZCBieSBjbXB4Y2hnLCBpbnN0ZWFkIG9mDQo+ ID4gPiA+IGxvY2sgY29udGVudGlvbiAoaS5lLiBzeXNjYWxsIGFuZCBzbGVlcCkgb3Igc29tZSBv dGhlciBjb2RlIGluc2lkZQ0KPiA+ID4gcHRocmVhZF9tdXRleF9sb2NrKCkuIERvIHlvdSBoYXZl IGN5Y2xlcyBhYm91dCBjbXB4Y2hnIHYucy4gY3ljbGVzDQo+ID4gPiBvZiBwdGhyZWFkX211dGV4 X2xvY2soKT8NCj4gPiA+DQo+ID4gPiBXZSd2ZSBnb3QgInBlcmYgdG9wIC1nIiBzaG93aW5nIGEg aHVnZSBhbW91bnQgb2Ygc3RhY2tzIGx5aW5nIGluDQo+ID4gPiBwdGhyZWFkX211dGV4X2xvY2so KS4NCj4gPg0KPiA+IFRoaXMgb25seSBleHBsYWlucyBwdGhyZWFkX211dGV4X2xvY2sgaXMgdGhl IGNhdXNlLCBub3Qgcm9vdCBjYXVzZWQgdG8NCj4gY21weGNoZy4NCj4gDQo+IEkgdGhpbmsgdGhh dCdzIGVub3VnaCBhbHJlYWR5IHRvIHByb3ZlIHdlIGNhbiBtb3ZlIHRoZSBsb2NrIGVsc2V3aGVy ZS4NCj4gDQo+IEl0J3Mgbm90IHJlYWxseSBhIGhlYXZ5IHJhY2UgYmV0d2VlbiB0aHJlYWRzOyBp dCdzIHRoZSBwdXJlIG92ZXJoZWFkIHdlIGNhbGxlZCBpdA0KPiB0b28gbWFueSB0aW1lcy4gIFNv IGl0J3Mgbm90IHJlYWxseSBhIHByb2JsZW0geWV0IGFib3V0ICJ3aGF0IHR5cGUgb2YgbG9jayB3 ZQ0KPiBzaG91bGQgdXNlIiAobXV0ZXggb3Igc3BpbiBsb2NrKSBvciAiaG93IHRoaXMgbG9jayBp cyBpbXBsZW1lbnRlZCIgKHNheSwgd2hldGhlcg0KPiB1c2luZyBjbXB4Y2hnIG9ubHkgb3Igb3B0 aW1pemUgdXNpbmcgdGVzdCArIHRlc3QtYW5kLXNldCwgYXMgdGhhdCBzb3VuZHMgbGlrZSBhDQo+ IGdvb2Qgb3B0aW1pemF0aW9uIG9mIHB1cmUgdGVzdC1hbmQtc2V0IHNwaW5sb2NrcykgYmVjYXVz ZSB0aGUgbG9jayBpcyBub3QgYnVzeSBhdA0KPiBhbGwuDQoNCkp1c3QgRllJOg0KdGhlcmUgaXMg YSBiaWcgd2hpbGUoMSkge30gaW5zaWRlIHB0aHJlYWRfbXV0ZXhfbG9jaywgbm90IHN1cmUgaWYg dGhlIGhvdHNwb3QgaXMgaW4gdGhlIGxvb3AgdGhlcmUuDQoNCg0KPiA+IFdoYXQgaWYgdGhlIGd1 ZXN0IGdldHMgc3RvcHBlZCBhbmQgdGhlbiB0aGUgbWlncmF0aW9uIHRocmVhZCBnb2VzIHRvIHNs ZWVwPw0KPiANCj4gSXNuJ3QgdGhlIGJhbGxvb24gY29kZSBydW4gaW4gYSBzdGFuZGFsb25lIGlv dGhyZWFkPyAgV2h5IGd1ZXN0IHN0b3BwZWQgY2FuDQo+IHN0b3AgbWlncmF0aW9uIHRocmVhZD8N Cg0KWWVzLCBpdCBpcyBhc3luYyBhcyB5b3Uga25vdy4gR3Vlc3QgcHV0cyBoaW50cyBpbnRvIHRo ZSB2cSwgdGhlbiBnZXRzIHBhdXNlZCwNCmFuZCB0aGVuIHRoZSBkZXZpY2UgdGFrZXMgdGhlIG11 dGV4LCB0aGVuIHRoZSBtaWdyYXRpb24gdGhyZWFkIGdldHMgYmxvY2tlZC4NCkluIGdlbmVyYWws IHdoZW4gd2UgdXNlIG11dGV4LCB3ZSBuZWVkIHRvIGNvbnNpZGVyIHRoYXQgY2FzZSB0aGF0IGl0 IGNvdWxkIGJlIGJsb2NrZWQuDQoNCj4gRnJvbSB3aGF0IEkgbGVhcm5lZCBpbiB0aGUgcGFzdCBm ZXcgeWVhcnMsIGZ1bm5pbHkgInNwZWVkIG9mIG1pZ3JhdGlvbiIgaXMNCj4gbm9ybWFsbHkgbm90 IHdoYXQgcGVvcGxlIGNhcmUgdGhlIG1vc3QuICBJc3N1ZXMgYXJlIG1vc3RseSB3aXRoIGNvbnZl cmdlbmNlDQo+IGFuZCBiZWluZyB0cmFuc3BhcmVudCB0byB1c2VycyB1c2luZyB0aGUgVk1zIHNv IHRoZXkgYXJlbid0IGV2ZW4gYXdhcmUuDQoNClllcywgbWlncmF0aW9uIHRpbWUgaXNu4oCZdCB0 aGF0IGNyaXRpY2FsbHkgaW1wb3J0YW50LCBidXQgc2hvcnRlciBpcyBiZXR0ZXIgdGhhbiBsb25n ZXIuDQpTa2lwcGluZyB0aG9zZSBmcmVlIHBhZ2VzIHNhdmVzIG5ldHdvcmsgYmFuZHdpZHRoLCB3 aGljaCBpcyBhbHNvIGdvb2QuDQpPaGVyd2lzZSwgMC1wYWdlIG9wdGltaXphdGlvbiBpbiBtaWdy YXRpb24gaXMgYWxzbyBtZWFuaW5nbGVzcy4NCkluIHRoZW9yeSwgZnJlZSBwYWdlcyBpbiB0aGUg bGFzdCByb3VuZCBjb3VsZCBhbHNvIGJlIHNraXBwZWQgdG8gcmVkdWNlIGRvd250aW1lDQooanVz dCBoYXZlbid0IGdvdCBhIGdvb2QgdGVzdGNhc2UgdG8gc2hvdyBpdCkuDQoNCj4gPg0KPiA+IFNl ZW1zIHdlIGxhY2sgcmVzb3VyY2VzIGZvciB0aG9zZSB0ZXN0cyByaWdodCBub3cuIElmIHlvdSBh cmUgdXJnZW50IGZvciBhDQo+IGRlY2lzaW9uIHRvIGhhdmUgaXQgd29yayBmaXJzdCwgSSdtIGFs c28gT0sgd2l0aCB5b3UgdG8gbWVyZ2UgaXQuDQo+IA0KPiBObyBJIGNhbid0IG1lcmdlIGl0IG15 c2VsZiBhcyBJJ20gbm90IHRoZSBtYWludGFpbmVyLiA6KSBJIGhhdmVuJ3QgcmVjZWl2ZWQgYW55 IGFjaw0KPiB5ZXQsIHNvIGF0IGxlYXN0IEknbGwgbmVlZCB0byBzZWUgaG93IERhdmUgYW5kIEp1 YW4gdGhpbmsuICBJdCdzIGp1c3QgdGhhdCBJIGRvbid0DQo+IHRoaW5rIHFlbXVzcGluIGNvdWxk IGhlbHAgbXVjaCBpbiB0aGlzIGNhc2UsIGFuZCBJIGRvbid0IHdhbnQgdG8gbWVzcyB1cCB0aGUN Cj4gaXNzdWUgdG9vLg0KPiANCg0KWWVzLCBJJ20gYWxzbyBPSyBpZiB0aGV5IHdhbnQgdG8gbWVy Z2UgaXQuDQpJZiBpdCBpcyBwb3NzaWJsZSB0aGF0IGFueW9uZSBmcm9tIHlvdXIgdGVzdGluZyB0 ZWFtIChRQT8pIGNvdWxkIGhlbHAgZG8gYSByZWdyZXNzaW9uIHRlc3Qgb2YgZnJlZSBwYWdlIGhp bnQsDQpjaGVja2luZyB0aGUgZGlmZmVyZW5jZSAoZS5nLiBtaWdyYXRpb24gdGltZSBvZiBhbiBp ZGxlIGd1ZXN0KSBhZnRlciBhcHBseWluZyB0aGlzIHBhdGNoLCB0aGF0IHdvdWxkIGJlIGdyZWF0 ZXIuIA0KVGhhbmtzIQ0KDQpCZXN0LA0KV2VpDQo=