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=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 280F7C433FE for ; Mon, 7 Dec 2020 14:23:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E7B0E235DD for ; Mon, 7 Dec 2020 14:23:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726748AbgLGOXT (ORCPT ); Mon, 7 Dec 2020 09:23:19 -0500 Received: from smtp-fw-2101.amazon.com ([72.21.196.25]:26710 "EHLO smtp-fw-2101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726348AbgLGOXS (ORCPT ); Mon, 7 Dec 2020 09:23:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.de; i=@amazon.de; q=dns/txt; s=amazon201209; t=1607350997; x=1638886997; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=0GRNZuNBzVueL1AQRPaaXEe0rCQ6tBu9bslLO0qaJ+M=; b=Qn/RwALdT6BgIlsqUHGAghZM3EF+qnGjXWswKg4GXgqduihhFtXJ2VKQ iq5zdIxgrpwrWptzIwUlnWxOB9FV1k17uOGIYP8WmJjv6j/Q+zHYR7/JX 8/acIYAD27C1SwB1Vbp7bUOhyU0iS7AJ8vR54xrIDaca3+zBc2jigWfeu g=; X-IronPort-AV: E=Sophos;i="5.78,399,1599523200"; d="scan'208";a="67708703" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-1a-715bee71.us-east-1.amazon.com) ([10.43.8.6]) by smtp-border-fw-out-2101.iad2.amazon.com with ESMTP; 07 Dec 2020 14:22:29 +0000 Received: from EX13MTAUWC002.ant.amazon.com (iad12-ws-svc-p26-lb9-vlan2.iad.amazon.com [10.40.163.34]) by email-inbound-relay-1a-715bee71.us-east-1.amazon.com (Postfix) with ESMTPS id 491F1A1E8E; Mon, 7 Dec 2020 14:22:18 +0000 (UTC) Received: from EX13D20UWC001.ant.amazon.com (10.43.162.244) by EX13MTAUWC002.ant.amazon.com (10.43.162.240) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 7 Dec 2020 14:22:18 +0000 Received: from freeip.amazon.com (10.43.160.229) by EX13D20UWC001.ant.amazon.com (10.43.162.244) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 7 Dec 2020 14:22:11 +0000 Subject: Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver To: Jann Horn , "Catangiu, Adrian Costin" CC: Christian Borntraeger , "Jason A. Donenfeld" , Willy Tarreau , "MacCarthaigh, Colm" , Andy Lutomirski , "Theodore Y. Ts'o" , Eric Biggers , "open list:DOCUMENTATION" , kernel list , "Woodhouse, David" , "bonzini@gnu.org" , "Singh, Balbir" , "Weiss, Radu" , "oridgar@gmail.com" , "ghammer@redhat.com" , Jonathan Corbet , Greg Kroah-Hartman , "Michael S. Tsirkin" , Qemu Developers , KVM list , Michal Hocko , "Rafael J. Wysocki" , Pavel Machek , Linux API , "mpe@ellerman.id.au" , linux-s390 , "areber@redhat.com" , Pavel Emelyanov , Andrey Vagin , Mike Rapoport , Dmitry Safonov <0x7f454c46@gmail.com>, Pavel Tikhomirov , "gil@azul.com" , "asmehra@redhat.com" , "dgunigun@redhat.com" , "vijaysun@ca.ibm.com" References: <3E05451B-A9CD-4719-99D0-72750A304044@amazon.com> From: Alexander Graf Message-ID: <113122dd-1600-4948-1faa-72ddf46c0439@amazon.de> Date: Mon, 7 Dec 2020 15:22:06 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.43.160.229] X-ClientProxiedBy: EX13D32UWB002.ant.amazon.com (10.43.161.139) To EX13D20UWC001.ant.amazon.com (10.43.162.244) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CgpPbiAyNy4xMS4yMCAyMToyMCwgSmFubiBIb3JuIHdyb3RlOgo+IAo+IE9uIEZyaSwgTm92IDI3 LCAyMDIwIGF0IDg6MDQgUE0gQ2F0YW5naXUsIEFkcmlhbiBDb3N0aW4KPiA8YWNhdGFuQGFtYXpv bi5jb20+IHdyb3RlOgo+PiBPbiAyNy8xMS8yMDIwIDIwOjIyLCBKYW5uIEhvcm4gd3JvdGU6Cj4+ PiBPbiBGcmksIE5vdiAyMCwgMjAyMCBhdCAxMToyOSBQTSBKYW5uIEhvcm4gPGphbm5oQGdvb2ds ZS5jb20+IHdyb3RlOgo+Pj4+IE9uIE1vbiwgTm92IDE2LCAyMDIwIGF0IDQ6MzUgUE0gQ2F0YW5n aXUsIEFkcmlhbiBDb3N0aW4KPj4+PiA8YWNhdGFuQGFtYXpvbi5jb20+IHdyb3RlOgo+Pj4+PiBU aGlzIHBhdGNoIGlzIGEgZHJpdmVyIHRoYXQgZXhwb3NlcyBhIG1vbm90b25pYyBpbmNyZW1lbnRh bCBWaXJ0dWFsCj4+Pj4+IE1hY2hpbmUgR2VuZXJhdGlvbiB1MzIgY291bnRlciB2aWEgYSBjaGFy LWRldiBGUyBpbnRlcmZhY2UgdGhhdAo+Pj4+PiBwcm92aWRlcyBzeW5jIGFuZCBhc3luYyBWbUdl biBjb3VudGVyIHVwZGF0ZXMgbm90aWZpY2F0aW9ucy4gSXQgYWxzbwo+Pj4+PiBwcm92aWRlcyBW bUdlbiBjb3VudGVyIHJldHJpZXZhbCBhbmQgY29uZmlybWF0aW9uIG1lY2hhbmlzbXMuCj4+Pj4+ Cj4+Pj4+IFRoZSBodyBwcm92aWRlZCBVVUlEIGlzIG5vdCBleHBvc2VkIHRvIHVzZXJzcGFjZSwg aXQgaXMgaW50ZXJuYWxseQo+Pj4+PiB1c2VkIGJ5IHRoZSBkcml2ZXIgdG8ga2VlcCBhY2NvdW50 aW5nIGZvciB0aGUgZXhwb3NlZCBWbUdlbiBjb3VudGVyLgo+Pj4+PiBUaGUgY291bnRlciBzdGFy dHMgZnJvbSB6ZXJvIHdoZW4gdGhlIGRyaXZlciBpcyBpbml0aWFsaXplZCBhbmQKPj4+Pj4gbW9u b3RvbmljYWxseSBpbmNyZW1lbnRzIGV2ZXJ5IHRpbWUgdGhlIGh3IFVVSUQgY2hhbmdlcyAodGhl IFZNCj4+Pj4+IGdlbmVyYXRpb24gY2hhbmdlcykuCj4+Pj4+Cj4+Pj4+IE9uIGVhY2ggaHcgVVVJ RCBjaGFuZ2UsIHRoZSBuZXcgaHlwZXJ2aXNvci1wcm92aWRlZCBVVUlEIGlzIGFsc28gZmVkCj4+ Pj4+IHRvIHRoZSBrZXJuZWwgUk5HLgo+Pj4+IEFzIGZvciB2MToKPj4+Pgo+Pj4+IElzIHRoZXJl IGEgcmVhc29uYWJsZSB1c2VjYXNlIGZvciB0aGUgImNvbmZpcm1hdGlvbiIgbWVjaGFuaXNtPyBJ dAo+Pj4+IGRvZXNuJ3Qgc2VlbSB2ZXJ5IHVzZWZ1bCB0byBtZS4KPj4KPj4gSSB0aGluayBpdCBh ZGRzIHZhbHVlIGluIGNvbXBsZXggc2NlbmFyaW9zIHdpdGggbXVsdGlwbGUgdXNlcnMgb2YgdGhl Cj4+IG1lY2hhbmlzbSwgcG90ZW50aWFsbHkgYXQgdmFyeWluZyBsYXllcnMgb2YgdGhlIHN0YWNr LCBkaWZmZXJlbnQKPj4gcHJvY2Vzc2VzIGFuZC9vciBydW50aW1lIGxpYnJhcmllcy4KPj4KPj4g VGhlIGRyaXZlciBvZmZlcnMgYSBuYXR1cmFsIHBsYWNlIHRvIGhhbmRsZSBtaW5pbWFsIG9yY2hl c3RyYXRpb24KPj4gc3VwcG9ydCBhbmQgb2ZmZXIgdmlzaWJpbGl0eSBpbiBzeXN0ZW0td2lkZSBz dGF0dXMuCj4+Cj4+IEEgaGlnaC1sZXZlbCBzZXJ2aWNlIHRoYXQgdHJ1c3RzIGFsbCBzeXN0ZW0g Y29tcG9uZW50cyB0byBwcm9wZXJseSB1c2UKPj4gdGhlIGNvbmZpcm1hdGlvbiBtZWNoYW5pc20g Y2FuIGFjdHVhbGx5IGJsb2NrIGFuZCB3YWl0IHBhdGllbnRseSBmb3IgdGhlCj4+IHN5c3RlbSB0 byBhZGp1c3QgdG8gdGhlIG5ldyB3b3JsZC4gRXZlbiBpZiBpdCBkb2Vzbid0IHRydXN0IGFsbAo+ PiBjb21wb25lbnRzIGl0IGNhbiBzdGlsbCBkbyBhIGJlc3QtZWZmb3J0LCB0aW1lb3V0IGJsb2Nr Lgo+IAo+IFdoYXQgY29uY3JldGUgYWN0aW9uIHdvdWxkIHRoYXQgaGlnaC1sZXZlbCBzZXJ2aWNl IGJlIGFibGUgdG8gdGFrZQo+IGFmdGVyIHdhaXRpbmcgZm9yIHN1Y2ggYW4gZXZlbnQ/CgpGb3Ig dXMsIGl0IHdvdWxkIG9ubHkgYWxsb3cgaW5jb21pbmcgcmVxdWVzdHMgdG8gdGhlIHRhcmdldCBj b250YWluZXIgCmFmdGVyIHRoZSBjb250YWluZXIgaGFzIHN1Y2Nlc3NmdWxseSBhZGp1c3RlZC4K CllvdSBjYW4gdGhpbmsgb2Ygb3RoZXIgbW9kZWxzIHRvby4gWW91ciBjb250YWluZXIgb3JjaGVz dHJhdGlvbiBlbmdpbmUgCmNvdWxkIHByZXZlbnQgbmV0d29yayB0cmFmZmljIHRvIHJlYWNoIHRo ZSBjb250YWluZXIgYXBwbGljYXRpb25zIHVudGlsIAp0aGUgZnVsbCBjb250YWluZXIgaXMgYWRq dXN0ZWQgZm9yIGV4YW1wbGUuCgo+IE15IG1vZGVsIG9mIHRoZSB2bWdlbmlkIG1lY2hhbmlzbSBp cyB0aGF0IFJOR3MgYW5kIGNyeXB0b2dyYXBoaWMKPiBsaWJyYXJpZXMgdGhhdCB1c2UgaXQgbmVl ZCB0byBiZSBmdW5kYW1lbnRhbGx5IHdyaXR0ZW4gc3VjaCB0aGF0IGl0IGlzCj4gZ3VhcmFudGVl ZCB0aGF0IGEgVk0gZm9yayBjYW4gbm90IGNhdXNlIHRoZSBzYW1lIHJhbmRvbSBudW1iZXIgLwo+ IGNvdW50ZXIgLyAuLi4gdG8gYmUgcmV1c2VkIGZvciB0d28gZGlmZmVyZW50IGNyeXB0b2dyYXBo aWMgb3BlcmF0aW9ucwo+IGluIGEgd2F5IHZpc2libGUgdG8gYW4gYXR0YWNrZXIuIFRoaXMgbWVh bnMgdGhhdCBlLmcuIFRMUyBsaWJyYXJpZXMKPiBuZWVkIHRvLCBiZXR3ZWVuIGFjY2VwdGluZyB1 bmVuY3J5cHRlZCBpbnB1dCBhbmQgc2VuZGluZyBvdXQgZW5jcnlwdGVkCj4gZGF0YSwgY2hlY2sg d2hldGhlciB0aGUgdm1nZW5pZCBjaGFuZ2VkIHNpbmNlIHRoZSBjb25uZWN0aW9uIHdhcyBzZXQK PiB1cCwgYW5kIGlmIGEgdm1nZW5pZCBjaGFuZ2Ugb2NjdXJyZWQsIGtpbGwgdGhlIGNvbm5lY3Rp b24uCj4gCj4gQ2FuIHlvdSBnaXZlIGEgY29uY3JldGUgZXhhbXBsZSBvZiBhIHVzZWNhc2Ugd2hl cmUgdGhlIHZtZ2VuaWQKPiBtZWNoYW5pc20gaXMgdXNlZCBzZWN1cmVseSBhbmQgdGhlIGNvbmZp cm1hdGlvbiBtZWNoYW5pc20gaXMgbmVjZXNzYXJ5Cj4gYXMgcGFydCBvZiB0aGF0PwoKVGhlIG1h aW4gY3J1eCBoZXJlIGlzIHRoYXQgd2UgaGF2ZSAyIGZ1bmRhbWVudGFsIGFwcHJvYWNoZXM6Cgox KSBUcmFuc2FjdGlvbmFsCgpGb3IgYW4gUk5HLCB0aGUgbmF0dXJhbCBwbGFjZSB0byBhZGp1c3Qg eW91cnNlbGYgdG8gYSByZXN1bWVkIHNuYXBzaG90IAppcyBpbiB0aGUgcmFuZG9tIG51bWJlciBy ZXRyaWV2YWwuIFlvdSBqdXN0IGNoZWNrIGlmIHlvdXIgZ2VuZXJhdGlvbiBpcyAKc3RpbGwgaWRl bnRpY2FsIHdoZW4geW91IGZldGNoIHRoZSBuZXh0IHJhbmRvbSBudW1iZXIuCgpJZGVhbGx5LCB5 b3UgYWxzbyBkbyB0aGUgc2FtZSBmb3IgYW55dGhpbmcgY29uc3VtaW5nIHN1Y2ggYSByYW5kb20g Cm51bWJlci4gU28gcmFuZG9tIG51bWJlciByZXRyaWV2YWwgd291bGQgbm8gbG9uZ2VyIGp1c3Qg cmV0dXJuICggbnVtYmVyIAopLCBidXQgaW5zdGVhZCAoIG51bWJlciwgZ2VuZXJhdGlvbiApLiBU aGF0IHdheSB5b3UgY291bGQgY2hlY2sgYXQgZXZlcnkgCmNvbnN1bWVyIHNpZGUgb2YgdGhlIHJh bmRvbSBudW1iZXIgdGhhdCBpdCdzIGFjdHVhbGx5IHN0aWxsIHJhbmRvbS4gVGhhdCAKd291bGQg bmVlZCB0byBjYXNjYWRlIGRvd24uCgpTbyBldmVyeSBrZXkgeW91IGRlcml2ZSBmcm9tIGEgcmFu ZG9tIG51bWJlciwgZXZlcnkgdXVpZCB5b3UgZ2VuZXJhdGUsIAp0aGV5IGFsbCB3b3VsZCBuZWVk IHRvIHN0b3JlIHRoZSBnZW5lcmF0aW9uIGFzIHdlbGwgYW5kIGNvbXBhcmUgaWYgdGhlIApjdXJy ZW50IGdlbmVyYXRpb24gaXMgc3RpbGwgdGhlIHNhbWUgYXMgd2hlbiB0aGV5IHdlcmUgZ2VuZXJh dGVkLiBUaGF0IAptZWFucyB5b3UgbmVlZCB0byBjb252ZXJ0IGV2ZXJ5IGRhdGEgYWNjZXNzIG1l dGhvZCB0byBhIGZ1bmN0aW9uIGNhbGwgCnRoYXQgY2hlY2tzIGlmIHRoZSB2YWx1ZSBpcyBzdGls bCBjb25zdW1hYmxlIGFuZCBpZiBub3QsIGFibGUgdG8gCnJlZ2VuZXJhdGUgaXQuIFRoZSBzYW1l IGFwcGxpZXMgZm9yIGdsb2JhbCB2YWx1ZXMsIHN1Y2ggYXMgYSBzeXN0ZW0gCmdsb2JhbCBVVUlE IHRoYXQgaXMgc2hhcmVkIGFtb25nIG11bHRpcGxlIHByb2Nlc3Nlcy4KCklmIHlvdSBzbG93bHkg bW92ZSBhd2F5IGZyb20gc3VwZXIgaW50ZWdyYXRlZCBlbnZpcm9ubWVudHMgbGlrZSBhIFRMUyAK bGlicmFyeSBhbmQgc3RhcnQgdGhpbmtpbmcgb2Ygc2FtYmEgc3lzdGVtIFVVSURzIG9yIFNTSCBo b3N0IGtleXMsIAp5b3UnbGwgcXVpY2tseSBzZWUgaG93IHRoYXQgYXBwcm9hY2ggcmVhY2hlcyBp dHMgbGltaXRzLgoKCjIpIEV2ZW50IGJhc2VkCgpMZXQncyB0YWtlIGEgbG9vayBhdCB0aGUgY29t cGxpY2F0ZWQgdGhpbmdzIHRvIGltcGxlbWVudCB3aXRoIHRoZSAKdHJhbnNhY3Rpb25hbCBhcHBy b2FjaDogc2FtYmEgc3lzdGVtIFVVSURzLCBTU0ggaG9zdCBrZXlzLCBnbG9iYWwgCnZhcmlhYmxl cyBpbiBhIHJhbmRvbSBKYXZhIGFwcGxpY2F0aW9uIHRoYXQgZ2V0IGluaXRpYWxpemVkIG9uIAph cHBsaWNhdGlvbiBzdGFydC4KCkFsbCBvZiB0aGVzZSBhcmUgdmVyeSBlYXN5IHRvIHJlc29sdmUg dGhyb3VnaCBhbiBldmVudCBiYXNlZCBtZWNoYW5pc20uIApCYXNlZCBvbiB0aGUgIm5ldyBnZW5l cmF0aW9uIiBldmVudCwgeW91IGNhbiBqdXN0IGdlbmVyYXRlIGEgbmV3IFVVSUQuIApPciBhIG5l dyBob3N0IGtleS4gQWxsIHlvdSB3b3VsZCBuZWVkIHRvIGtub3cgZm9yIHRoaXMgdG8gYmUgbm9u LXJhY3kgaXMgCnRoYXQgYmVmb3JlIHlvdSBhY3R1YWxseSB1c2UgdGhlIHRhcmdldCBzZXJ2aWNl cywgeW91IGtub3cgdGhleSBhcmUgCnNlbGYtYWRqdXN0ZWQuIEluIG1vc3QgY29udGFpbmVyIHdv cmtsb2FkcywgdGhhdCBjYW4gYmUgYWNoaWV2ZWQgYnkgbm90IApsZXR0aW5nIG5ldHdvcmsgdHJh ZmZpYyBnbyBpbiBiZWZvcmUgdGhlIGV2ZW50IGlzIGZ1bGx5IHByb2Nlc3NlZC4KCgpXaGF0IHRo aXMgcGF0Y2ggc2V0IGRvZXMgaXMgcHJvdmlkZSBib3RoOiBXZSBhbGxvdyB0aGUgdHJhbnNhY3Rp b25hbCAKYXBwcm9hY2ggdGhyb3VnaCBtbWFwKCkgb2YgYSBzaGFyZWQgcGFnZSB0byBiZSBpbXBs ZW1lbnRlZCBmb3Igc3RhY2tzIAp3aGVyZSB0aGF0J3MgZWFzaWVzdC4gWW91IGNhbiB1c2UgdGhh dCB3aGVuIHlvdXIgbG9naWMgaXMgcmVhbGlzdGljYWxseSAKY29udmVydGFibGUgdG8gdHJhbnNh Y3Rpb25hbC4gV2UgYWxzbyBhbGxvdyBmb3IgYW4gYXN5bmNocm9ub3VzIGV2ZW50LCAKd2hpY2gg Y2FuIGJlIHVzZWQgaW4gZW52aXJvbm1lbnRzIHdoZXJlIHRoZSB0cmFuc2FjdGlvbmFsIGFwcHJv YWNoIGlzIApoYXJkIGJlY2F1c2Ugb2YgZGVzaWduIGNvbnN0cmFpbnRzIChsYW5ndWFnZSwgQVBJ LCBzeXN0ZW0sIGV0Yy4pLgoKQ29tYmluaW5nIHRoZSB0d28sIHlvdSBnZXQgdGhlIGJlc3Qgb2Yg Ym90aCB3b3JsZHMgSU1ITy4KCj4gCj4+Pj4gSG93IGRvIHlvdSBlbnZpc2lvbiBpbnRlZ3JhdGlu ZyB0aGlzIHdpdGggbGlicmFyaWVzIHRoYXQgaGF2ZSB0byB3b3JrCj4+Pj4gaW4gcmVzdHJpY3Rp dmUgc2VjY29tcCBzYW5kYm94ZXM/IElmIHRoaXMgd2FzIGluIHRoZSB2RFNPLCB0aGF0IHdvdWxk Cj4+Pj4gYmUgbXVjaCBlYXNpZXIuCj4+Cj4+IFNpbmNlIHRoaXMgbWVjaGFuaXNtIHRhcmdldHMg YWxsIG9mIHVzZXJzcGFjZSBzdGFjaywgdGhlIHVzZWNhc2UgZ3JlYXRseQo+PiB2YXJ5LiBJIGRv dWJ0IHdlIGNhbiBoYXZlIGEgc2luZ2xlIHNpbHZlciBidWxsZXQgaW50ZXJmYWNlLgo+Pgo+PiBG b3IgZXhhbXBsZSwgdGhlIG1tYXAgaW50ZXJmYWNlIHRhcmdldHMgdXNlciBzcGFjZSBSTkdzLCB3 aGVyZSBhcyBmYXN0Cj4+IGFuZCBhcyByYWNlIGZyZWUgYXMgcG9zc2libGUgaXMga2V5LiBCdXQg dGhlcmUgYWxzbyBoaWdoZXIgbGV2ZWwKPj4gYXBwbGljYXRpb25zIHRoYXQgZG9uJ3QgbWFuYWdl IHRoZWlyIG93biBtZW1vcnkgb3IgZG9uJ3QgaGF2ZSBhY2Nlc3MgdG8KPj4gbG93LWxldmVsIHBy aW1pdGl2ZXMgc28gdGhleSBjYW4ndCB1c2UgdGhlIG1tYXAgb3IgZXZlbiB2RFNPIGludGVyZmFj ZXMuCj4+IFRoYXQncyB3aGF0IHRoZSByZXN0IG9mIHRoZSBsb2dpYyBpcyB0aGVyZSBmb3IsIHRo ZSByZWFkK3BvbGwgaW50ZXJmYWNlCj4+IGFuZCBhbGwgb2YgdGhlIG9yY2hlc3RyYXRpb24gbG9n aWMuCj4gCj4gQXJlIHlvdSBzYXlpbmcgdGhhdCwgYmVjYXVzZSBwZW9wbGUgbWlnaHQgbm90IHdh bnQgdG8gd3JpdGUgcHJvcGVyCj4gYmluZGluZ3MgZm9yIHRoaXMgaW50ZXJmYWNlIHdoaWxlIGFs c28gYmVpbmcgdW53aWxsaW5nIHRvIHRha2UgdGhlCj4gcGVyZm9ybWFuY2UgaGl0IG9mIGNhbGxp bmcgcmVhZCgpIGluIGV2ZXJ5IHBsYWNlIHdoZXJlIHRoZXkgd291bGQgaGF2ZQo+IHRvIGRvIHNv IHRvIGJlIGZ1bGx5IGNvcnJlY3QsIHlvdSB3YW50IHRvIGJ1aWxkIGEgImJlc3QtZWZmb3J0Igo+ IG1lY2hhbmlzbSB0aGF0IGlzIGRlbGliZXJhdGVseSBkZXNpZ25lZCB0byBhbGxvdyBzb21lIGNy eXB0b2dyYXBoaWMKPiBzdGF0ZSByZXVzZSBpbiBhIGxpbWl0ZWQgdGltZSB3aW5kb3c/CgpJIHNl cmlvdXNseSBob3BlIHRoYXQgZm9yIGNyeXB0bywgd2Ugd2lsbCBhbHdheXMoPykgYmUgYWJsZSB0 byB1c2UgdGhlIAp0cmFuc2FjdGlvbmFsIGFwcHJvYWNoLiBBbmQgdGhlcmUgd2UgZG9uJ3QgZXZl biBoYXZlIHRvIHJlc29ydCB0byByZWFkKCkgCi0geW91IGNhbiBqdXN0IG1tYXAoKSB0aGUgZ2Vu ZXJhdGlvbiBJRC4KCldoYXQgdGhlIGV2ZW50IGJhc2VkIG1lY2hhbmlzbSBpcyB0aGVyZSBmb3Ig YXJlIHRoZSBvdGhlciBjYXNlcyB0aGF0IGFyZSAKbm90IGVhc2lseSBjb252ZXJ0ZWQgdG8gc3Vj aCBhbiBhcHByb2FjaC4gQXMgbGlicmFyeSBvd25lciwgeW91IGFsd2F5cyAKaGF2ZSB0aGUgY2hv aWNlLgoKVGhhdCBzYWlkLCBJIGRvbid0IHRoaW5rIHRoZSAiYmVzdC1lZmZvcnQiIG1lY2hhbmlz bSBpcyBhcyBiYWQgYXMgeW91IApkZXNjcmliZSBpdCBhYm92ZS4gSWYgeW91J3JlIHRoaW5raW5n IG9mIGEgbm9ybWFsIFZNIGltYWdlLCBpbWFnaW5lIApzeXN0ZW1kIHdvdWxkIGltcGxlbWVudCB2 bWdlbmlkIHN1cHBvcnQuIEl0IGNvdWxkIGluc3RhbGwgYSBxdWljayBCUEYgCnByb2dyYW0gdGhh dCBqdXN0IGJsb2NrcyBhbGwgbmV0d29yayB0cmFmZmljIGFsdG9nZXRoZXIgZnJvbSB0aGUgVk0g CnVudGlsIGl0cyBnZW5pZCBpcyBmdWxseSBzeW5jaHJvbml6ZWQgYWNyb3NzIGFsbCBwcm9jZXNz ZXMuIElkZWFsbHksIGl0IAp3b3VsZCBldmVuIGJlIGFibGUgdG8ga2lsbCB1bmNvb3BlcmF0aXZl IHByb2Nlc3NlcyBldmVudHVhbGx5LCBzbyB0aGF0IAp5b3VyIHJlc3VtZWQgVk0gaXMgcmVhY2hh YmxlIGFmdGVyIGEgdGltZW91dC4KCj4+IExpa2UgeW91IGNvcnJlY3RseSBwb2ludCBvdXQsIHRo ZXJlIGFyZSBhbHNvIHNjZW5hcmlvcyBsaWtlIHRpZ2h0Cj4+IHNlY2NvbXAgamFpbHMgd2hlcmUg ZXZlbiB0aGUgRlMgaW50ZXJmYWNlcyBpcyBpbmFjY2Vzc2libGUuIEZvciBjYXNlcwo+PiBsaWtl IHRoaXMgYW5kIG90aGVycywgSSBiZWxpZXZlIHdlIHdpbGwgaGF2ZSB0byB3b3JrIGluY3JlbWVu dGFsbHkgdG8KPj4gYnVpbGQgdXAgdGhlIGludGVyZmFjZSBkaXZlcnNpdHkgdG8gY2F0ZXIgdG8g YWxsIHRoZSB1c2VyIHNjZW5hcmlvcwo+PiBkaXZlcnNpdHkuCj4gCj4gSXQgd291bGQgYmUgbXVj aCBuaWNlciBpZiB3ZSBjb3VsZCBoYXZlIG9uZSBzaW1wbGUgaW50ZXJmYWNlIHRoYXQgbGV0cwo+ IGV2ZXJ5b25lIGNvcnJlY3RseSBkbyB3aGF0IHRoZXkgbmVlZCB0bywgdGhvdWdoLi4uCgpJIHdh bnQgYSBwb255IHRvbyA6KS4gV2UgbmVlZCB0byBkbyB3aGF0J3MgYmVzdCBmb3Igb3VyIHVzZXJz IGhlcmUuIEkgYW0gCm5vdCBjb252aW5jZWQgb25seSBvZmZlcmluZyBhIHRyYW5zYWN0aW9uIGJh c2VkIGludGVyZmFjZSBpcyBnb2luZyB0byAKZmluZCB0aGUgYWRvcHRpb24gd2UncmUgaG9waW5n IGZvci4gVGhhdCBtZWFucywgd2UnbGwgZW5kIHVwIGxlc3Mgc2VjdXJlIAp0aGFuIHdlIHdhbnQg dG8sIG5vdCBtb3JlLgoKCkFsZXgKCgoKQW1hem9uIERldmVsb3BtZW50IENlbnRlciBHZXJtYW55 IEdtYkgKS3JhdXNlbnN0ci4gMzgKMTAxMTcgQmVybGluCkdlc2NoYWVmdHNmdWVocnVuZzogQ2hy aXN0aWFuIFNjaGxhZWdlciwgSm9uYXRoYW4gV2Vpc3MKRWluZ2V0cmFnZW4gYW0gQW10c2dlcmlj aHQgQ2hhcmxvdHRlbmJ1cmcgdW50ZXIgSFJCIDE0OTE3MyBCClNpdHo6IEJlcmxpbgpVc3QtSUQ6 IERFIDI4OSAyMzcgODc5CgoK 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=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 419B2C433FE for ; Mon, 7 Dec 2020 14:24:04 +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 A9EDA22B40 for ; Mon, 7 Dec 2020 14:24:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A9EDA22B40 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=amazon.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43984 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmHQo-0008HH-Jt for qemu-devel@archiver.kernel.org; Mon, 07 Dec 2020 09:24:02 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:53632) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmHPa-0007f3-Nr for qemu-devel@nongnu.org; Mon, 07 Dec 2020 09:22:48 -0500 Received: from smtp-fw-2101.amazon.com ([72.21.196.25]:26720) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmHPQ-0007gm-B6 for qemu-devel@nongnu.org; Mon, 07 Dec 2020 09:22:46 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.de; i=@amazon.de; q=dns/txt; s=amazon201209; t=1607350957; x=1638886957; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=0GRNZuNBzVueL1AQRPaaXEe0rCQ6tBu9bslLO0qaJ+M=; b=mphl5uuOedT1aEFc+ja6UX30jk+U7lzG/Q4u0jmoXe5dCco6XbBCvrY7 paSCfmaPIBP4sPB/udf22BlrCeVaheYjEWlM9BiImi1XAh6Q2Q5foMHjz KpQHx7DiynLGRLiya5NEOgVk7JGi9U1eEX+JqC54R0H0fasWtYf0eOMjP w=; X-IronPort-AV: E=Sophos;i="5.78,399,1599523200"; d="scan'208";a="67708703" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-1a-715bee71.us-east-1.amazon.com) ([10.43.8.6]) by smtp-border-fw-out-2101.iad2.amazon.com with ESMTP; 07 Dec 2020 14:22:29 +0000 Received: from EX13MTAUWC002.ant.amazon.com (iad12-ws-svc-p26-lb9-vlan2.iad.amazon.com [10.40.163.34]) by email-inbound-relay-1a-715bee71.us-east-1.amazon.com (Postfix) with ESMTPS id 491F1A1E8E; Mon, 7 Dec 2020 14:22:18 +0000 (UTC) Received: from EX13D20UWC001.ant.amazon.com (10.43.162.244) by EX13MTAUWC002.ant.amazon.com (10.43.162.240) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 7 Dec 2020 14:22:18 +0000 Received: from freeip.amazon.com (10.43.160.229) by EX13D20UWC001.ant.amazon.com (10.43.162.244) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 7 Dec 2020 14:22:11 +0000 Subject: Re: [PATCH v2] drivers/virt: vmgenid: add vm generation id driver To: Jann Horn , "Catangiu, Adrian Costin" CC: Christian Borntraeger , "Jason A. Donenfeld" , Willy Tarreau , "MacCarthaigh, Colm" , Andy Lutomirski , "Theodore Y. Ts'o" , Eric Biggers , "open list:DOCUMENTATION" , kernel list , "Woodhouse, David" , "bonzini@gnu.org" , "Singh, Balbir" , "Weiss, Radu" , "oridgar@gmail.com" , "ghammer@redhat.com" , Jonathan Corbet , Greg Kroah-Hartman , "Michael S. Tsirkin" , Qemu Developers , KVM list , Michal Hocko , "Rafael J. Wysocki" , Pavel Machek , Linux API , "mpe@ellerman.id.au" , linux-s390 , "areber@redhat.com" , Pavel Emelyanov , Andrey Vagin , Mike Rapoport , Dmitry Safonov <0x7f454c46@gmail.com>, Pavel Tikhomirov , "gil@azul.com" , "asmehra@redhat.com" , "dgunigun@redhat.com" , "vijaysun@ca.ibm.com" References: <3E05451B-A9CD-4719-99D0-72750A304044@amazon.com> From: Alexander Graf Message-ID: <113122dd-1600-4948-1faa-72ddf46c0439@amazon.de> Date: Mon, 7 Dec 2020 15:22:06 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.43.160.229] X-ClientProxiedBy: EX13D32UWB002.ant.amazon.com (10.43.161.139) To EX13D20UWC001.ant.amazon.com (10.43.162.244) Precedence: Bulk Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Received-SPF: pass client-ip=72.21.196.25; envelope-from=prvs=603cfe817=graf@amazon.de; helo=smtp-fw-2101.amazon.com X-Spam_score_int: -70 X-Spam_score: -7.1 X-Spam_bar: ------- X-Spam_report: (-7.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" CgpPbiAyNy4xMS4yMCAyMToyMCwgSmFubiBIb3JuIHdyb3RlOgo+IAo+IE9uIEZyaSwgTm92IDI3 LCAyMDIwIGF0IDg6MDQgUE0gQ2F0YW5naXUsIEFkcmlhbiBDb3N0aW4KPiA8YWNhdGFuQGFtYXpv bi5jb20+IHdyb3RlOgo+PiBPbiAyNy8xMS8yMDIwIDIwOjIyLCBKYW5uIEhvcm4gd3JvdGU6Cj4+ PiBPbiBGcmksIE5vdiAyMCwgMjAyMCBhdCAxMToyOSBQTSBKYW5uIEhvcm4gPGphbm5oQGdvb2ds ZS5jb20+IHdyb3RlOgo+Pj4+IE9uIE1vbiwgTm92IDE2LCAyMDIwIGF0IDQ6MzUgUE0gQ2F0YW5n aXUsIEFkcmlhbiBDb3N0aW4KPj4+PiA8YWNhdGFuQGFtYXpvbi5jb20+IHdyb3RlOgo+Pj4+PiBU aGlzIHBhdGNoIGlzIGEgZHJpdmVyIHRoYXQgZXhwb3NlcyBhIG1vbm90b25pYyBpbmNyZW1lbnRh bCBWaXJ0dWFsCj4+Pj4+IE1hY2hpbmUgR2VuZXJhdGlvbiB1MzIgY291bnRlciB2aWEgYSBjaGFy LWRldiBGUyBpbnRlcmZhY2UgdGhhdAo+Pj4+PiBwcm92aWRlcyBzeW5jIGFuZCBhc3luYyBWbUdl biBjb3VudGVyIHVwZGF0ZXMgbm90aWZpY2F0aW9ucy4gSXQgYWxzbwo+Pj4+PiBwcm92aWRlcyBW bUdlbiBjb3VudGVyIHJldHJpZXZhbCBhbmQgY29uZmlybWF0aW9uIG1lY2hhbmlzbXMuCj4+Pj4+ Cj4+Pj4+IFRoZSBodyBwcm92aWRlZCBVVUlEIGlzIG5vdCBleHBvc2VkIHRvIHVzZXJzcGFjZSwg aXQgaXMgaW50ZXJuYWxseQo+Pj4+PiB1c2VkIGJ5IHRoZSBkcml2ZXIgdG8ga2VlcCBhY2NvdW50 aW5nIGZvciB0aGUgZXhwb3NlZCBWbUdlbiBjb3VudGVyLgo+Pj4+PiBUaGUgY291bnRlciBzdGFy dHMgZnJvbSB6ZXJvIHdoZW4gdGhlIGRyaXZlciBpcyBpbml0aWFsaXplZCBhbmQKPj4+Pj4gbW9u b3RvbmljYWxseSBpbmNyZW1lbnRzIGV2ZXJ5IHRpbWUgdGhlIGh3IFVVSUQgY2hhbmdlcyAodGhl IFZNCj4+Pj4+IGdlbmVyYXRpb24gY2hhbmdlcykuCj4+Pj4+Cj4+Pj4+IE9uIGVhY2ggaHcgVVVJ RCBjaGFuZ2UsIHRoZSBuZXcgaHlwZXJ2aXNvci1wcm92aWRlZCBVVUlEIGlzIGFsc28gZmVkCj4+ Pj4+IHRvIHRoZSBrZXJuZWwgUk5HLgo+Pj4+IEFzIGZvciB2MToKPj4+Pgo+Pj4+IElzIHRoZXJl IGEgcmVhc29uYWJsZSB1c2VjYXNlIGZvciB0aGUgImNvbmZpcm1hdGlvbiIgbWVjaGFuaXNtPyBJ dAo+Pj4+IGRvZXNuJ3Qgc2VlbSB2ZXJ5IHVzZWZ1bCB0byBtZS4KPj4KPj4gSSB0aGluayBpdCBh ZGRzIHZhbHVlIGluIGNvbXBsZXggc2NlbmFyaW9zIHdpdGggbXVsdGlwbGUgdXNlcnMgb2YgdGhl Cj4+IG1lY2hhbmlzbSwgcG90ZW50aWFsbHkgYXQgdmFyeWluZyBsYXllcnMgb2YgdGhlIHN0YWNr LCBkaWZmZXJlbnQKPj4gcHJvY2Vzc2VzIGFuZC9vciBydW50aW1lIGxpYnJhcmllcy4KPj4KPj4g VGhlIGRyaXZlciBvZmZlcnMgYSBuYXR1cmFsIHBsYWNlIHRvIGhhbmRsZSBtaW5pbWFsIG9yY2hl c3RyYXRpb24KPj4gc3VwcG9ydCBhbmQgb2ZmZXIgdmlzaWJpbGl0eSBpbiBzeXN0ZW0td2lkZSBz dGF0dXMuCj4+Cj4+IEEgaGlnaC1sZXZlbCBzZXJ2aWNlIHRoYXQgdHJ1c3RzIGFsbCBzeXN0ZW0g Y29tcG9uZW50cyB0byBwcm9wZXJseSB1c2UKPj4gdGhlIGNvbmZpcm1hdGlvbiBtZWNoYW5pc20g Y2FuIGFjdHVhbGx5IGJsb2NrIGFuZCB3YWl0IHBhdGllbnRseSBmb3IgdGhlCj4+IHN5c3RlbSB0 byBhZGp1c3QgdG8gdGhlIG5ldyB3b3JsZC4gRXZlbiBpZiBpdCBkb2Vzbid0IHRydXN0IGFsbAo+ PiBjb21wb25lbnRzIGl0IGNhbiBzdGlsbCBkbyBhIGJlc3QtZWZmb3J0LCB0aW1lb3V0IGJsb2Nr Lgo+IAo+IFdoYXQgY29uY3JldGUgYWN0aW9uIHdvdWxkIHRoYXQgaGlnaC1sZXZlbCBzZXJ2aWNl IGJlIGFibGUgdG8gdGFrZQo+IGFmdGVyIHdhaXRpbmcgZm9yIHN1Y2ggYW4gZXZlbnQ/CgpGb3Ig dXMsIGl0IHdvdWxkIG9ubHkgYWxsb3cgaW5jb21pbmcgcmVxdWVzdHMgdG8gdGhlIHRhcmdldCBj b250YWluZXIgCmFmdGVyIHRoZSBjb250YWluZXIgaGFzIHN1Y2Nlc3NmdWxseSBhZGp1c3RlZC4K CllvdSBjYW4gdGhpbmsgb2Ygb3RoZXIgbW9kZWxzIHRvby4gWW91ciBjb250YWluZXIgb3JjaGVz dHJhdGlvbiBlbmdpbmUgCmNvdWxkIHByZXZlbnQgbmV0d29yayB0cmFmZmljIHRvIHJlYWNoIHRo ZSBjb250YWluZXIgYXBwbGljYXRpb25zIHVudGlsIAp0aGUgZnVsbCBjb250YWluZXIgaXMgYWRq dXN0ZWQgZm9yIGV4YW1wbGUuCgo+IE15IG1vZGVsIG9mIHRoZSB2bWdlbmlkIG1lY2hhbmlzbSBp cyB0aGF0IFJOR3MgYW5kIGNyeXB0b2dyYXBoaWMKPiBsaWJyYXJpZXMgdGhhdCB1c2UgaXQgbmVl ZCB0byBiZSBmdW5kYW1lbnRhbGx5IHdyaXR0ZW4gc3VjaCB0aGF0IGl0IGlzCj4gZ3VhcmFudGVl ZCB0aGF0IGEgVk0gZm9yayBjYW4gbm90IGNhdXNlIHRoZSBzYW1lIHJhbmRvbSBudW1iZXIgLwo+ IGNvdW50ZXIgLyAuLi4gdG8gYmUgcmV1c2VkIGZvciB0d28gZGlmZmVyZW50IGNyeXB0b2dyYXBo aWMgb3BlcmF0aW9ucwo+IGluIGEgd2F5IHZpc2libGUgdG8gYW4gYXR0YWNrZXIuIFRoaXMgbWVh bnMgdGhhdCBlLmcuIFRMUyBsaWJyYXJpZXMKPiBuZWVkIHRvLCBiZXR3ZWVuIGFjY2VwdGluZyB1 bmVuY3J5cHRlZCBpbnB1dCBhbmQgc2VuZGluZyBvdXQgZW5jcnlwdGVkCj4gZGF0YSwgY2hlY2sg d2hldGhlciB0aGUgdm1nZW5pZCBjaGFuZ2VkIHNpbmNlIHRoZSBjb25uZWN0aW9uIHdhcyBzZXQK PiB1cCwgYW5kIGlmIGEgdm1nZW5pZCBjaGFuZ2Ugb2NjdXJyZWQsIGtpbGwgdGhlIGNvbm5lY3Rp b24uCj4gCj4gQ2FuIHlvdSBnaXZlIGEgY29uY3JldGUgZXhhbXBsZSBvZiBhIHVzZWNhc2Ugd2hl cmUgdGhlIHZtZ2VuaWQKPiBtZWNoYW5pc20gaXMgdXNlZCBzZWN1cmVseSBhbmQgdGhlIGNvbmZp cm1hdGlvbiBtZWNoYW5pc20gaXMgbmVjZXNzYXJ5Cj4gYXMgcGFydCBvZiB0aGF0PwoKVGhlIG1h aW4gY3J1eCBoZXJlIGlzIHRoYXQgd2UgaGF2ZSAyIGZ1bmRhbWVudGFsIGFwcHJvYWNoZXM6Cgox KSBUcmFuc2FjdGlvbmFsCgpGb3IgYW4gUk5HLCB0aGUgbmF0dXJhbCBwbGFjZSB0byBhZGp1c3Qg eW91cnNlbGYgdG8gYSByZXN1bWVkIHNuYXBzaG90IAppcyBpbiB0aGUgcmFuZG9tIG51bWJlciBy ZXRyaWV2YWwuIFlvdSBqdXN0IGNoZWNrIGlmIHlvdXIgZ2VuZXJhdGlvbiBpcyAKc3RpbGwgaWRl bnRpY2FsIHdoZW4geW91IGZldGNoIHRoZSBuZXh0IHJhbmRvbSBudW1iZXIuCgpJZGVhbGx5LCB5 b3UgYWxzbyBkbyB0aGUgc2FtZSBmb3IgYW55dGhpbmcgY29uc3VtaW5nIHN1Y2ggYSByYW5kb20g Cm51bWJlci4gU28gcmFuZG9tIG51bWJlciByZXRyaWV2YWwgd291bGQgbm8gbG9uZ2VyIGp1c3Qg cmV0dXJuICggbnVtYmVyIAopLCBidXQgaW5zdGVhZCAoIG51bWJlciwgZ2VuZXJhdGlvbiApLiBU aGF0IHdheSB5b3UgY291bGQgY2hlY2sgYXQgZXZlcnkgCmNvbnN1bWVyIHNpZGUgb2YgdGhlIHJh bmRvbSBudW1iZXIgdGhhdCBpdCdzIGFjdHVhbGx5IHN0aWxsIHJhbmRvbS4gVGhhdCAKd291bGQg bmVlZCB0byBjYXNjYWRlIGRvd24uCgpTbyBldmVyeSBrZXkgeW91IGRlcml2ZSBmcm9tIGEgcmFu ZG9tIG51bWJlciwgZXZlcnkgdXVpZCB5b3UgZ2VuZXJhdGUsIAp0aGV5IGFsbCB3b3VsZCBuZWVk IHRvIHN0b3JlIHRoZSBnZW5lcmF0aW9uIGFzIHdlbGwgYW5kIGNvbXBhcmUgaWYgdGhlIApjdXJy ZW50IGdlbmVyYXRpb24gaXMgc3RpbGwgdGhlIHNhbWUgYXMgd2hlbiB0aGV5IHdlcmUgZ2VuZXJh dGVkLiBUaGF0IAptZWFucyB5b3UgbmVlZCB0byBjb252ZXJ0IGV2ZXJ5IGRhdGEgYWNjZXNzIG1l dGhvZCB0byBhIGZ1bmN0aW9uIGNhbGwgCnRoYXQgY2hlY2tzIGlmIHRoZSB2YWx1ZSBpcyBzdGls bCBjb25zdW1hYmxlIGFuZCBpZiBub3QsIGFibGUgdG8gCnJlZ2VuZXJhdGUgaXQuIFRoZSBzYW1l IGFwcGxpZXMgZm9yIGdsb2JhbCB2YWx1ZXMsIHN1Y2ggYXMgYSBzeXN0ZW0gCmdsb2JhbCBVVUlE IHRoYXQgaXMgc2hhcmVkIGFtb25nIG11bHRpcGxlIHByb2Nlc3Nlcy4KCklmIHlvdSBzbG93bHkg bW92ZSBhd2F5IGZyb20gc3VwZXIgaW50ZWdyYXRlZCBlbnZpcm9ubWVudHMgbGlrZSBhIFRMUyAK bGlicmFyeSBhbmQgc3RhcnQgdGhpbmtpbmcgb2Ygc2FtYmEgc3lzdGVtIFVVSURzIG9yIFNTSCBo b3N0IGtleXMsIAp5b3UnbGwgcXVpY2tseSBzZWUgaG93IHRoYXQgYXBwcm9hY2ggcmVhY2hlcyBp dHMgbGltaXRzLgoKCjIpIEV2ZW50IGJhc2VkCgpMZXQncyB0YWtlIGEgbG9vayBhdCB0aGUgY29t cGxpY2F0ZWQgdGhpbmdzIHRvIGltcGxlbWVudCB3aXRoIHRoZSAKdHJhbnNhY3Rpb25hbCBhcHBy b2FjaDogc2FtYmEgc3lzdGVtIFVVSURzLCBTU0ggaG9zdCBrZXlzLCBnbG9iYWwgCnZhcmlhYmxl cyBpbiBhIHJhbmRvbSBKYXZhIGFwcGxpY2F0aW9uIHRoYXQgZ2V0IGluaXRpYWxpemVkIG9uIAph cHBsaWNhdGlvbiBzdGFydC4KCkFsbCBvZiB0aGVzZSBhcmUgdmVyeSBlYXN5IHRvIHJlc29sdmUg dGhyb3VnaCBhbiBldmVudCBiYXNlZCBtZWNoYW5pc20uIApCYXNlZCBvbiB0aGUgIm5ldyBnZW5l cmF0aW9uIiBldmVudCwgeW91IGNhbiBqdXN0IGdlbmVyYXRlIGEgbmV3IFVVSUQuIApPciBhIG5l dyBob3N0IGtleS4gQWxsIHlvdSB3b3VsZCBuZWVkIHRvIGtub3cgZm9yIHRoaXMgdG8gYmUgbm9u LXJhY3kgaXMgCnRoYXQgYmVmb3JlIHlvdSBhY3R1YWxseSB1c2UgdGhlIHRhcmdldCBzZXJ2aWNl cywgeW91IGtub3cgdGhleSBhcmUgCnNlbGYtYWRqdXN0ZWQuIEluIG1vc3QgY29udGFpbmVyIHdv cmtsb2FkcywgdGhhdCBjYW4gYmUgYWNoaWV2ZWQgYnkgbm90IApsZXR0aW5nIG5ldHdvcmsgdHJh ZmZpYyBnbyBpbiBiZWZvcmUgdGhlIGV2ZW50IGlzIGZ1bGx5IHByb2Nlc3NlZC4KCgpXaGF0IHRo aXMgcGF0Y2ggc2V0IGRvZXMgaXMgcHJvdmlkZSBib3RoOiBXZSBhbGxvdyB0aGUgdHJhbnNhY3Rp b25hbCAKYXBwcm9hY2ggdGhyb3VnaCBtbWFwKCkgb2YgYSBzaGFyZWQgcGFnZSB0byBiZSBpbXBs ZW1lbnRlZCBmb3Igc3RhY2tzIAp3aGVyZSB0aGF0J3MgZWFzaWVzdC4gWW91IGNhbiB1c2UgdGhh dCB3aGVuIHlvdXIgbG9naWMgaXMgcmVhbGlzdGljYWxseSAKY29udmVydGFibGUgdG8gdHJhbnNh Y3Rpb25hbC4gV2UgYWxzbyBhbGxvdyBmb3IgYW4gYXN5bmNocm9ub3VzIGV2ZW50LCAKd2hpY2gg Y2FuIGJlIHVzZWQgaW4gZW52aXJvbm1lbnRzIHdoZXJlIHRoZSB0cmFuc2FjdGlvbmFsIGFwcHJv YWNoIGlzIApoYXJkIGJlY2F1c2Ugb2YgZGVzaWduIGNvbnN0cmFpbnRzIChsYW5ndWFnZSwgQVBJ LCBzeXN0ZW0sIGV0Yy4pLgoKQ29tYmluaW5nIHRoZSB0d28sIHlvdSBnZXQgdGhlIGJlc3Qgb2Yg Ym90aCB3b3JsZHMgSU1ITy4KCj4gCj4+Pj4gSG93IGRvIHlvdSBlbnZpc2lvbiBpbnRlZ3JhdGlu ZyB0aGlzIHdpdGggbGlicmFyaWVzIHRoYXQgaGF2ZSB0byB3b3JrCj4+Pj4gaW4gcmVzdHJpY3Rp dmUgc2VjY29tcCBzYW5kYm94ZXM/IElmIHRoaXMgd2FzIGluIHRoZSB2RFNPLCB0aGF0IHdvdWxk Cj4+Pj4gYmUgbXVjaCBlYXNpZXIuCj4+Cj4+IFNpbmNlIHRoaXMgbWVjaGFuaXNtIHRhcmdldHMg YWxsIG9mIHVzZXJzcGFjZSBzdGFjaywgdGhlIHVzZWNhc2UgZ3JlYXRseQo+PiB2YXJ5LiBJIGRv dWJ0IHdlIGNhbiBoYXZlIGEgc2luZ2xlIHNpbHZlciBidWxsZXQgaW50ZXJmYWNlLgo+Pgo+PiBG b3IgZXhhbXBsZSwgdGhlIG1tYXAgaW50ZXJmYWNlIHRhcmdldHMgdXNlciBzcGFjZSBSTkdzLCB3 aGVyZSBhcyBmYXN0Cj4+IGFuZCBhcyByYWNlIGZyZWUgYXMgcG9zc2libGUgaXMga2V5LiBCdXQg dGhlcmUgYWxzbyBoaWdoZXIgbGV2ZWwKPj4gYXBwbGljYXRpb25zIHRoYXQgZG9uJ3QgbWFuYWdl IHRoZWlyIG93biBtZW1vcnkgb3IgZG9uJ3QgaGF2ZSBhY2Nlc3MgdG8KPj4gbG93LWxldmVsIHBy aW1pdGl2ZXMgc28gdGhleSBjYW4ndCB1c2UgdGhlIG1tYXAgb3IgZXZlbiB2RFNPIGludGVyZmFj ZXMuCj4+IFRoYXQncyB3aGF0IHRoZSByZXN0IG9mIHRoZSBsb2dpYyBpcyB0aGVyZSBmb3IsIHRo ZSByZWFkK3BvbGwgaW50ZXJmYWNlCj4+IGFuZCBhbGwgb2YgdGhlIG9yY2hlc3RyYXRpb24gbG9n aWMuCj4gCj4gQXJlIHlvdSBzYXlpbmcgdGhhdCwgYmVjYXVzZSBwZW9wbGUgbWlnaHQgbm90IHdh bnQgdG8gd3JpdGUgcHJvcGVyCj4gYmluZGluZ3MgZm9yIHRoaXMgaW50ZXJmYWNlIHdoaWxlIGFs c28gYmVpbmcgdW53aWxsaW5nIHRvIHRha2UgdGhlCj4gcGVyZm9ybWFuY2UgaGl0IG9mIGNhbGxp bmcgcmVhZCgpIGluIGV2ZXJ5IHBsYWNlIHdoZXJlIHRoZXkgd291bGQgaGF2ZQo+IHRvIGRvIHNv IHRvIGJlIGZ1bGx5IGNvcnJlY3QsIHlvdSB3YW50IHRvIGJ1aWxkIGEgImJlc3QtZWZmb3J0Igo+ IG1lY2hhbmlzbSB0aGF0IGlzIGRlbGliZXJhdGVseSBkZXNpZ25lZCB0byBhbGxvdyBzb21lIGNy eXB0b2dyYXBoaWMKPiBzdGF0ZSByZXVzZSBpbiBhIGxpbWl0ZWQgdGltZSB3aW5kb3c/CgpJIHNl cmlvdXNseSBob3BlIHRoYXQgZm9yIGNyeXB0bywgd2Ugd2lsbCBhbHdheXMoPykgYmUgYWJsZSB0 byB1c2UgdGhlIAp0cmFuc2FjdGlvbmFsIGFwcHJvYWNoLiBBbmQgdGhlcmUgd2UgZG9uJ3QgZXZl biBoYXZlIHRvIHJlc29ydCB0byByZWFkKCkgCi0geW91IGNhbiBqdXN0IG1tYXAoKSB0aGUgZ2Vu ZXJhdGlvbiBJRC4KCldoYXQgdGhlIGV2ZW50IGJhc2VkIG1lY2hhbmlzbSBpcyB0aGVyZSBmb3Ig YXJlIHRoZSBvdGhlciBjYXNlcyB0aGF0IGFyZSAKbm90IGVhc2lseSBjb252ZXJ0ZWQgdG8gc3Vj aCBhbiBhcHByb2FjaC4gQXMgbGlicmFyeSBvd25lciwgeW91IGFsd2F5cyAKaGF2ZSB0aGUgY2hv aWNlLgoKVGhhdCBzYWlkLCBJIGRvbid0IHRoaW5rIHRoZSAiYmVzdC1lZmZvcnQiIG1lY2hhbmlz bSBpcyBhcyBiYWQgYXMgeW91IApkZXNjcmliZSBpdCBhYm92ZS4gSWYgeW91J3JlIHRoaW5raW5n IG9mIGEgbm9ybWFsIFZNIGltYWdlLCBpbWFnaW5lIApzeXN0ZW1kIHdvdWxkIGltcGxlbWVudCB2 bWdlbmlkIHN1cHBvcnQuIEl0IGNvdWxkIGluc3RhbGwgYSBxdWljayBCUEYgCnByb2dyYW0gdGhh dCBqdXN0IGJsb2NrcyBhbGwgbmV0d29yayB0cmFmZmljIGFsdG9nZXRoZXIgZnJvbSB0aGUgVk0g CnVudGlsIGl0cyBnZW5pZCBpcyBmdWxseSBzeW5jaHJvbml6ZWQgYWNyb3NzIGFsbCBwcm9jZXNz ZXMuIElkZWFsbHksIGl0IAp3b3VsZCBldmVuIGJlIGFibGUgdG8ga2lsbCB1bmNvb3BlcmF0aXZl IHByb2Nlc3NlcyBldmVudHVhbGx5LCBzbyB0aGF0IAp5b3VyIHJlc3VtZWQgVk0gaXMgcmVhY2hh YmxlIGFmdGVyIGEgdGltZW91dC4KCj4+IExpa2UgeW91IGNvcnJlY3RseSBwb2ludCBvdXQsIHRo ZXJlIGFyZSBhbHNvIHNjZW5hcmlvcyBsaWtlIHRpZ2h0Cj4+IHNlY2NvbXAgamFpbHMgd2hlcmUg ZXZlbiB0aGUgRlMgaW50ZXJmYWNlcyBpcyBpbmFjY2Vzc2libGUuIEZvciBjYXNlcwo+PiBsaWtl IHRoaXMgYW5kIG90aGVycywgSSBiZWxpZXZlIHdlIHdpbGwgaGF2ZSB0byB3b3JrIGluY3JlbWVu dGFsbHkgdG8KPj4gYnVpbGQgdXAgdGhlIGludGVyZmFjZSBkaXZlcnNpdHkgdG8gY2F0ZXIgdG8g YWxsIHRoZSB1c2VyIHNjZW5hcmlvcwo+PiBkaXZlcnNpdHkuCj4gCj4gSXQgd291bGQgYmUgbXVj aCBuaWNlciBpZiB3ZSBjb3VsZCBoYXZlIG9uZSBzaW1wbGUgaW50ZXJmYWNlIHRoYXQgbGV0cwo+ IGV2ZXJ5b25lIGNvcnJlY3RseSBkbyB3aGF0IHRoZXkgbmVlZCB0bywgdGhvdWdoLi4uCgpJIHdh bnQgYSBwb255IHRvbyA6KS4gV2UgbmVlZCB0byBkbyB3aGF0J3MgYmVzdCBmb3Igb3VyIHVzZXJz IGhlcmUuIEkgYW0gCm5vdCBjb252aW5jZWQgb25seSBvZmZlcmluZyBhIHRyYW5zYWN0aW9uIGJh c2VkIGludGVyZmFjZSBpcyBnb2luZyB0byAKZmluZCB0aGUgYWRvcHRpb24gd2UncmUgaG9waW5n IGZvci4gVGhhdCBtZWFucywgd2UnbGwgZW5kIHVwIGxlc3Mgc2VjdXJlIAp0aGFuIHdlIHdhbnQg dG8sIG5vdCBtb3JlLgoKCkFsZXgKCgoKQW1hem9uIERldmVsb3BtZW50IENlbnRlciBHZXJtYW55 IEdtYkgKS3JhdXNlbnN0ci4gMzgKMTAxMTcgQmVybGluCkdlc2NoYWVmdHNmdWVocnVuZzogQ2hy aXN0aWFuIFNjaGxhZWdlciwgSm9uYXRoYW4gV2Vpc3MKRWluZ2V0cmFnZW4gYW0gQW10c2dlcmlj aHQgQ2hhcmxvdHRlbmJ1cmcgdW50ZXIgSFJCIDE0OTE3MyBCClNpdHo6IEJlcmxpbgpVc3QtSUQ6 IERFIDI4OSAyMzcgODc5CgoK