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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 39317C433E0 for ; Tue, 2 Mar 2021 11:23:30 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 76D8064F0B for ; Tue, 2 Mar 2021 11:23:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 76D8064F0B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id CFDAF4B5A7; Tue, 2 Mar 2021 06:23:28 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WON8p9OJAdRr; Tue, 2 Mar 2021 06:23:27 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id B4E0C4B45F; Tue, 2 Mar 2021 06:23:27 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 1E1E34B22C for ; Tue, 2 Mar 2021 06:23:26 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id UWLTA9SyAcY3 for ; Tue, 2 Mar 2021 06:23:23 -0500 (EST) Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id E5EF84B1F2 for ; Tue, 2 Mar 2021 06:23:22 -0500 (EST) Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4DqZSh6TyQzMh72; Tue, 2 Mar 2021 19:21:08 +0800 (CST) Received: from [10.174.184.42] (10.174.184.42) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.498.0; Tue, 2 Mar 2021 19:23:05 +0800 Subject: Re: [RFC PATCH 0/7] kvm: arm64: Implement SW/HW combined dirty log To: , , , , Marc Zyngier , Will Deacon , Catalin Marinas References: <20210126124444.27136-1-zhukeqian1@huawei.com> From: Keqian Zhu Message-ID: <4716a83b-5dad-4dbc-6661-e1f05abbd29c@huawei.com> Date: Tue, 2 Mar 2021 19:23:05 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: <20210126124444.27136-1-zhukeqian1@huawei.com> X-Originating-IP: [10.174.184.42] X-CFilter-Loop: Reflected Cc: yubihong@huawei.com, Cornelia Huck , Kirti Wankhede , zhengchuan@huawei.com, Alex Williamson , Robin Murphy X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu SGkgZXZlcnlvbmUsCgpBbnkgY29tbWVudHMgYXJlIHdlbGNvbWUgOikuCgpUaGFua3MsCktlcWlh bgoKT24gMjAyMS8xLzI2IDIwOjQ0LCBLZXFpYW4gWmh1IHdyb3RlOgo+IFRoZSBpbnRlbnRpb246 Cj4gCj4gT24gYXJtNjQgcGxhdGZvcm0sIHdlIHRyYWNraW5nIGRpcnR5IGxvZyBvZiB2Q1BVIHRo cm91Z2ggZ3Vlc3QgbWVtb3J5IGFib3J0Lgo+IEtWTSBvY2N1cHlzIHNvbWUgdkNQVSB0aW1lIG9m IGd1ZXN0IHRvIGNoYW5nZSBzdGFnZTIgbWFwcGluZyBhbmQgbWFyayBkaXJ0eS4KPiBUaGlzIGxl YWRzIHRvIGhlYXZ5IHNpZGUgZWZmZWN0IG9uIFZNLCBlc3BlY2lhbGx5IHdoZW4gbXVsdGkgdkNQ VSByYWNlIGFuZAo+IHNvbWUgb2YgdGhlbSBibG9jayBvbiBrdm0gbW11X2xvY2suCj4gCj4gREJN IGlzIGEgSFcgYXV4aWxpYXJ5IGFwcHJvYWNoIHRvIGxvZyBkaXJ0eS4gTU1VIGNoYWdlcyBQVEUg dG8gYmUgd3JpdGFibGUgaWYKPiBpdHMgREJNIGJpdCBpcyBzZXQuIFRoZW4gS1ZNIGRvZXNuJ3Qg b2NjdXB5IHZDUFUgdGltZSB0byBsb2cgZGlydHkuCj4gCj4gQWJvdXQgdGhpcyBwYXRjaCBzZXJp ZXM6Cj4gCj4gVGhlIGJpZ2dlc3QgcHJvYmxlbSBvZiBhcHBseSBEQk0gZm9yIHN0YWdlMiBpcyB0 aGF0IHNvZnR3YXJlIG11c3Qgc2NhbiBQVHMgdG8KPiBjb2xsZWN0IGRpcnR5IHN0YXRlLCB3aGlj aCBtYXkgY29zdCBtdWNoIHRpbWUgYW5kIGFmZmVjdCBkb3dudGltZSBvZiBtaWdyYXRpb24uCj4g Cj4gVGhpcyBzZXJpZXMgcmVhbGl6ZSBhIFNXL0hXIGNvbWJpbmVkIGRpcnR5IGxvZyB0aGF0IGNh biBlZmZlY3RpdmVseSBzb2x2ZSB0aGlzCj4gcHJvYmxlbSAoVGhlIHNtbXUgc2lkZSBjYW4gYWxz byB1c2UgdGhpcyBhcHByb2FjaCB0byBzb2x2ZSBkbWEgZGlydHkgbG9nIHRyYWNraW5nKS4KPiAK PiBUaGUgY29yZSBpZGVhIGlzIHRoYXQgd2UgZG8gbm90IGVuYWJsZSBoYXJkd2FyZSBkaXJ0eSBh dCBzdGFydCAoZG8gbm90IGFkZCBEQk0gYml0KS4KPiBXaGVuIGEgYXJiaXRyYXJ5IFBUIG9jY3Vy cyBmYXVsdCwgd2UgZXhlY3V0ZSBzb2Z0IHRyYWNraW5nIGZvciB0aGlzIFBUIGFuZCBlbmFibGUK PiBoYXJkd2FyZSB0cmFja2luZyBmb3IgaXRzICpuZWFyYnkqIFBUcyAoZS5nLiBBZGQgREJNIGJp dCBmb3IgbmVhcmJ5IDE2UFRzKS4gVGhlbiB3aGVuCj4gc3luYyBkaXJ0eSBsb2csIHdlIGhhdmUg a25vd24gYWxsIFBUcyB3aXRoIGhhcmR3YXJlIGRpcnR5IGVuYWJsZWQsIHNvIHdlIGRvIG5vdCBu ZWVkCj4gdG8gc2NhbiBhbGwgUFRzLgo+IAo+ICAgICAgICAgbWVtIGFib3J0IHBvaW50ICAgICAg ICAgICAgIG1lbSBhYm9ydCBwb2ludAo+ICAgICAgICAgICAgICAg4oaTICAgICAgICAgICAgICAg ICAgICAgICAgICAgIOKGkwo+IC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+ICAgICAgICAgfCoqKioqKioqfCAgICAgICAgfCAg ICAgICAgfCoqKioqKioqfCAgICAgICAgfCAgICAgICAgfAo+IC0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+ICAgICAgICAgICAg ICDihpEgICAgICAgICAgICAgICAgICAgICAgICAgICAg4oaRCj4gICAgICAgICBzZXQgREJNIGJp dCBvZiAgICAgICAgICAgICAgIHNldCBEQk0gYml0IG9mCj4gICAgICB0aGlzIFBUIHNlY3Rpb24g KDY0UFRFcykgICAgICB0aGlzIFBUIHNlY3Rpb24gKDY0UFRFcykKPiAKPiBXZSBtYXkgd29ycnkg dGhhdCB3aGVuIGRpcnR5IHJhdGUgaXMgb3Zlci1oaWdoIHdlIHN0aWxsIG5lZWQgdG8gc2NhbiB0 b28gbXVjaCBQVHMuCj4gV2UgbWFpbmx5IGNvbmNlcm4gdGhlIFZNIHN0b3AgdGltZS4gV2l0aCBR ZW11IGRpcnR5IHJhdGUgdGhyb3R0bGluZywgdGhlIGRpcnR5IG1lbW9yeQo+IGlzIGNsb3Npbmcg dG8gdGhlIFZNIHN0b3AgdGhyZXNob2xkLCBzbyB0aGVyZSBpcyBhIGxpdHRsZSBQVHMgdG8gc2Nh biBhZnRlciBWTSBzdG9wLgo+IAo+IEl0IGhhcyB0aGUgYWR2YW50YWdlcyBvZiBoYXJkd2FyZSB0 cmFja2luZyB0aGF0IG1pbmltaXplcyBzaWRlIGVmZmVjdCBvbiB2Q1BVLAo+IGFuZCBhbHNvIGhh cyB0aGUgYWR2YW50YWdlcyBvZiBzb2Z0d2FyZSB0cmFja2luZyB0aGF0IGNvbnRyb2xzIHZDUFUg ZGlydHkgcmF0ZS4KPiBNb3Jlb3Zlciwgc29mdHdhcmUgdHJhY2tpbmcgaGVscHMgdXMgdG8gc2Nh biBQVHMgYXQgc29tZSBmaXhlZCBwb2ludHMsIHdoaWNoCj4gZ3JlYXRseSByZWR1Y2VzIHNjYW5u aW5nIHRpbWUuIEFuZCB0aGUgYmlnZ2VzdCBiZW5lZml0IGlzIHRoYXQgd2UgY2FuIGFwcGx5IHRo aXMKPiBzb2x1dGlvbiBmb3IgZG1hIGRpcnR5IHRyYWNraW5nLgo+IAo+IFRlc3Q6Cj4gCj4gSG9z dDogS3VucGVuZyA5MjAgd2l0aCAxMjggQ1BVIDUxMkcgUkFNLiBEaXNhYmxlIFRyYW5zcGFyZW50 IEh1Z2VwYWdlIChFbnN1cmUgdGVzdCByZXN1bHQKPiAgICAgICBpcyBub3QgZWZmZWN0ZWQgYnkg ZGlzc29sdmUgb2YgYmxvY2sgcGFnZSB0YWJsZSBhdCB0aGUgZWFybHkgc3RhZ2Ugb2YgbWlncmF0 aW9uKS4KPiBWTTogICAxNiBDUFUgMTZHQiBSQU0uIFJ1biA0IHBhaXIgb2YgKHJlZGlzX2JlbmNo bWFyaytyZWRpc19zZXJ2ZXIpLgo+IAo+IEVhY2ggcnVuIDUgdGltZXMgZm9yIHNvZnR3YXJlIGRp cnR5IGxvZyBhbmQgU1cvSFcgY29uYmluZWQgZGlydHkgbG9nLiAKPiAKPiBUZXN0IHJlc3VsdDoK PiAKPiBHYWluIDUlfjclIGltcHJvdmVtZW50IG9mIHJlZGlzIFFQUyBkdXJpbmcgVk0gbWlncmF0 aW9uLgo+IFZNIGRvd250aW1lIGlzIG5vdCBhZmZlY3RlZCBmdW5kYW1lbnRhbGx5Lgo+IEFib3V0 IDU2LjclIG9mIERCTSBpcyBlZmZlY3RpdmVseSB1c2VkLgo+IAo+IEtlcWlhbiBaaHUgKDcpOgo+ ICAgYXJtNjQ6IGNwdWZlYXR1cmU6IEFkZCBBUEkgdG8gcmVwb3J0IHN5c3RlbSBzdXBwb3J0IG9m IEhXREJNCj4gICBrdm06IGFybTY0OiBVc2UgYXRvbWljIG9wZXJhdGlvbiB3aGVuIHVwZGF0ZSBQ VEUKPiAgIGt2bTogYXJtNjQ6IEFkZCBsZXZlbF9hcHBseSBwYXJhbWV0ZXIgZm9yIHN0YWdlMl9h dHRyX3dhbGtlcgo+ICAga3ZtOiBhcm02NDogQWRkIHNvbWUgSFdfREJNIHJlbGF0ZWQgcGd0YWJs ZSBpbnRlcmZhY2VzCj4gICBrdm06IGFybTY0OiBBZGQgc29tZSBIV19EQk0gcmVsYXRlZCBtbXUg aW50ZXJmYWNlcwo+ICAga3ZtOiBhcm02NDogT25seSB3cml0ZSBwcm90ZWN0IHNlbGVjdGVkIFBU RQo+ICAga3ZtOiBhcm02NDogU3RhcnQgdXAgU1cvSFcgY29tYmluZWQgZGlydHkgbG9nCj4gCj4g IGFyY2gvYXJtNjQvaW5jbHVkZS9hc20vY3B1ZmVhdHVyZS5oICB8ICAxMiArKysKPiAgYXJjaC9h cm02NC9pbmNsdWRlL2FzbS9rdm1faG9zdC5oICAgIHwgICA2ICsrCj4gIGFyY2gvYXJtNjQvaW5j bHVkZS9hc20va3ZtX21tdS5oICAgICB8ICAgNyArKwo+ICBhcmNoL2FybTY0L2luY2x1ZGUvYXNt L2t2bV9wZ3RhYmxlLmggfCAgNDUgKysrKysrKysrKwo+ICBhcmNoL2FybTY0L2t2bS9hcm0uYyAg ICAgICAgICAgICAgICAgfCAxMjUgKysrKysrKysrKysrKysrKysrKysrKysrKysKPiAgYXJjaC9h cm02NC9rdm0vaHlwL3BndGFibGUuYyAgICAgICAgIHwgMTMwICsrKysrKysrKysrKysrKysrKysr KystLS0tLQo+ICBhcmNoL2FybTY0L2t2bS9tbXUuYyAgICAgICAgICAgICAgICAgfCAgNDcgKysr KysrKysrLQo+ICBhcmNoL2FybTY0L2t2bS9yZXNldC5jICAgICAgICAgICAgICAgfCAgIDggKy0K PiAgOCBmaWxlcyBjaGFuZ2VkLCAzNTEgaW5zZXJ0aW9ucygrKSwgMjkgZGVsZXRpb25zKC0pCj4g Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmt2bWFybSBt YWlsaW5nIGxpc3QKa3ZtYXJtQGxpc3RzLmNzLmNvbHVtYmlhLmVkdQpodHRwczovL2xpc3RzLmNz LmNvbHVtYmlhLmVkdS9tYWlsbWFuL2xpc3RpbmZvL2t2bWFybQo=