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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 83609C35249 for ; Wed, 5 Feb 2020 08:10:29 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 520F92085B for ; Wed, 5 Feb 2020 08:10:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 520F92085B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1izFkz-0008SH-KZ; Wed, 05 Feb 2020 08:09:57 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1izFky-0008S8-5D for xen-devel@lists.xenproject.org; Wed, 05 Feb 2020 08:09:56 +0000 X-Inumbo-ID: e42e087c-47ee-11ea-8396-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id e42e087c-47ee-11ea-8396-bc764e2007e4; Wed, 05 Feb 2020 08:09:55 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id ABA1BAD9F; Wed, 5 Feb 2020 08:09:53 +0000 (UTC) To: Andrew Cooper References: <8a2beec3-1be3-e1f8-89bc-dde28a16eea0@citrix.com> From: Jan Beulich Message-ID: <5943032d-c38d-82e5-f62f-9cb1213d9217@suse.com> Date: Wed, 5 Feb 2020 09:09:56 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <8a2beec3-1be3-e1f8-89bc-dde28a16eea0@citrix.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH v4 4/7] x86/HVM: implement memory read caching for insn emulation X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Kevin Tian , Wei Liu , Paul Durrant , George Dunlap , Jun Nakajima , "xen-devel@lists.xenproject.org" , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMDMuMDIuMjAyMCAyMDo0OCwgQW5kcmV3IENvb3BlciB3cm90ZToKPiBPbiAzMS8wMS8yMDIw IDE2OjQ0LCBKYW4gQmV1bGljaCB3cm90ZToKPj4gVEJEOiBJbiBwcmluY2lwbGUgdGhlIGNhY2hp bmcgaGVyZSB5aWVsZHMgdW5uZWNlc3NhcnkgdGhlIG9uZSB1c2VkIGZvcgo+PiAgICAgIGluc24g Ynl0ZXMgKHZpby0+bW1pb19pbnNueyxfYnl0ZXN9LiBIb3dldmVyLCB0byBzZWVkIHRoZSBjYWNo ZQo+PiAgICAgIHdpdGggdGhlIGRhdGEgU1ZNIG1heSBoYXZlIG1hZGUgYXZhaWxhYmxlLCB3ZSdk IGhhdmUgdG8gYWxzbyBrbm93Cj4+ICAgICAgdGhlIGNvcnJlc3BvbmRpbmcgR1BBLiBJdCdzIG5v dCBzYWZlLCBob3dldmVyLCB0byByZS13YWxrIHRoZSBwYWdlCj4+ICAgICAgdGFibGVzIHRvIGZp bmQgb3V0LCBhcyB0aGUgcGFnZSB0YWJsZXMgbWF5IGhhdmUgY2hhbmdlZCBpbiB0aGUKPj4gICAg ICBtZWFudGltZS4gVGhlcmVmb3JlIEkgZ3Vlc3Mgd2UgbmVlZCB0byBrZWVwIHRoZSBkdXBsaWNh dGUKPj4gICAgICBmdW5jdGlvbmFsaXR5IGZvciBub3cuIEEgcG9zc2libGUgc29sdXRpb24gdG8g dGhpcyBjb3VsZCBiZSB0byB1c2UKPj4gICAgICBhIHBoeXNpY2FsLWFkZHJlc3MtYmFzZWQgY2Fj aGUgZm9yIHBhZ2UgdGFibGUgYWNjZXNzZXMgKGFuZCBsb29raW5nCj4+ICAgICAgZm9yd2FyZCBh bHNvIGUuZy4gU1ZNL1ZNWCBpbnNuIGVtdWxhdGlvbiksIGFuZCBhIGxpbmVhci1hZGRyZXNzLQo+ PiAgICAgIGJhc2VkIG9uZSBmb3IgYWxsIG90aGVyIHJlYWRzLgo+IAo+IFNwbGl0dGluZyBjYWNo aW5nIGxpa2UgdGhhdCB3aWxsIHJlLWludHJvZHVjZSB0aGUgc2FtZSBidWdzIEkgcG9pbnRlZAo+ IG91dCBpbiBlYXJsaWVyIHJldmlzaW9ucyBvZiB0aGlzIHNlcmllcy7CoCBJdCBpcyBub3QgY29y cmVjdCB0byBoYXZlCj4gbXVsdGlwbGUgKGFuZCB0aGVyZWZvcmUsIG5vbi1jb2hlcmVudCkgY2Fj aGVzIG9mIG1lbW9yeS4KPiAKPiBUaGUgQU1EIGluc3RydWN0aW9uIHN0cmVhbSBieXRlcyBzdXBw b3J0IGlzIGJ5IG5vIG1lYW5zIHBlcmZlY3QgZWl0aGVyLsKgCj4gSXQgZG9lc24ndCBmdW5jdGlv biBwcm9wZXJseSB3aGVuIFNNQVAgaXMgYWN0aXZlIChFcnJhdHVtICMxMDk2KSwgd2hpY2gKPiBp cyBhY3R1YWxseSBjYXVzZWQgYnkgdGhlIGluc3RydWN0aW9uIHN0cmVhbSBiZWluZyByZS1mZXRj aGVkIGF0IHZtZXhpdAo+IHRpbWUsIHdpdGggYSBkYXRhIHNpZGUgYWNjZXNzIChoZW5jZSB0aGUg aW50ZXJhY3Rpb24gd2l0aCBTTUFQKS4KCkkndmUgbG9va2VkIGludG8gdGhpcyBzb21lIG1vcmUs IGFuZCBJJ20gYWZyYWlkIHRoZSB0ZXh0IGlzIHRvbwphbWJpZ3VvdXMgdG8gZHJhdyBjb25jbHVz aW9ucyBhcyB0byBwb3NzaWJsZSBhY3Rpb25zIG9uIG91cgpwYXJ0LiBJdCBtZW50aW9ucyBhICJH dWVzdEluc3RyQnl0ZXMgZmllbGQgb2YgdGhlIFZNQ0IiLCBidXQgdGhlClBNIGRvZXNuJ3QgdXNl IHN1Y2ggbmFtaW5nIGFmYWljcy4gSGVuY2UgaXQncyBub3QgY2xlYXIgd2hldGhlcgp0aGUgZW50 aXJlIDE2LWJ5dGUgYmxvY2sgaXMgbWVhbnQsIG9yIGp1c3QgdGhlIGhpZ2ggMTIwIGJpdHMgb2YK aXQuIEluIHRoZSBmb3JtZXIgY2FzZSB3ZSdyZSBmaW5lLCBidXQgaW4gdGhlIGxhdHRlciBjYXNl IHdlJ2QKbWlzdGFrZW5seSB1c2UgdGhlIHplcm9zIGFuZCBpbnRlcnByZXQgdGhlbSBhcyAiYWRk ICVhbCwgKCVyYXgpIgooaW4gNjQtYml0IGd1ZXN0IG1vZGUsIGRpZmZlcmVudCBtZW1vcnkgYWRk cmVzcyBpbiBvdGhlcnMpLCBhbmQKaGVuY2Ugd2UnZCBuZWVkIHRvIHN1cHByZXNzIHNldHRpbmcg b3IgdXNlIG9mCnYtPmFyY2guaHZtLnN2bS5jYWNoZWRfaW5zbl9sZW4uIChUaGUgdXNlZCB3b3Jk aW5nIGNvbWVzIGNsb3Nlcgp0byB0aGUgbGF0dGVyIGNhc2UsIHdpdGggdGhlIFZNQ0IgZmllbGQg YXQgMHhEMCBkZXNjcmliZWQgYXMKIk51bWJlciBvZiBieXRlcyBmZXRjaGVkIiBhbmQgdGhlbiAi R3Vlc3QgaW5zdHJ1Y3Rpb24gYnl0ZXMiLikKCkphbgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA bGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFu L2xpc3RpbmZvL3hlbi1kZXZlbA==