From mboxrd@z Thu Jan 1 00:00:00 1970 From: Razvan Cojocaru Subject: Re: [PATCH v2] x86/altp2m: Allow setting the #VE info page for an arbitrary VCPU Date: Thu, 20 Sep 2018 11:11:37 +0300 Message-ID: <75ba39c8-228f-da7c-63df-24534e3a4271@bitdefender.com> References: <20180904045922.31609-1-apop@bitdefender.com> <5ed49738-7653-197c-6206-d2b8fcd94cb5@bitdefender.com> <81c0e6f9-46b6-d956-1f16-70dfeb28aaaa@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g2u45-00076h-F9 for xen-devel@lists.xenproject.org; Thu, 20 Sep 2018 08:11:57 +0000 Received: from mx-sr.buh.bitdefender.com (mx-sr.buh.bitdefender.biz [10.17.80.103]) by mx01.bbu.dsd.mx.bitdefender.com (Postfix) with ESMTPS id 7CBBD305FFA2 for ; Thu, 20 Sep 2018 11:11:55 +0300 (EEST) Received: from smtp02.buh.bitdefender.net (smtp.bitdefender.biz [10.17.80.76]) by mx-sr.buh.bitdefender.com (Postfix) with ESMTP id 691997FBFF for ; Thu, 20 Sep 2018 11:11:55 +0300 (EEST) In-Reply-To: Content-Language: en-US-large List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Tamas K Lengyel , Andrew Cooper Cc: Wei Liu , Adrian Pop , Sergej Proskurin , Ian Jackson , Jan Beulich , Xen-devel List-Id: xen-devel@lists.xenproject.org T24gOS82LzE4IDE6MjcgQU0sIFRhbWFzIEsgTGVuZ3llbCB3cm90ZToKPiBPbiBXZWQsIFNlcCA1 LCAyMDE4IGF0IDEyOjQ1IFBNIEFuZHJldyBDb29wZXIgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5j b20+IHdyb3RlOgo+Pgo+PiBPbiAwNS8wOS8xOCAxOTo0MCwgVGFtYXMgSyBMZW5neWVsIHdyb3Rl Ogo+Pj4gT24gV2VkLCBTZXAgNSwgMjAxOCBhdCAxMDo0MCBBTSBSYXp2YW4gQ29qb2NhcnUKPj4+ IDxyY29qb2NhcnVAYml0ZGVmZW5kZXIuY29tPiB3cm90ZToKPj4+PiBPbiA5LzUvMTggNzoyOCBQ TSwgVGFtYXMgSyBMZW5neWVsIHdyb3RlOgo+Pj4+PiBPbiBUdWUsIFNlcCA0LCAyMDE4IGF0IDI6 NTggUE0gUmF6dmFuIENvam9jYXJ1Cj4+Pj4+IDxyY29qb2NhcnVAYml0ZGVmZW5kZXIuY29tPiB3 cm90ZToKPj4+Pj4+IE9uIDkvNC8xOCAxMTo0MCBQTSwgVGFtYXMgSyBMZW5neWVsIHdyb3RlOgo+ Pj4+Pj4+IE9uIE1vbiwgU2VwIDMsIDIwMTggYXQgMTA6NTkgUE0gQWRyaWFuIFBvcCA8YXBvcEBi aXRkZWZlbmRlci5jb20+IHdyb3RlOgo+Pj4+Pj4+PiBJbiBhIGNsYXNzaWMgSFZJICsgWGVuIHNl dHVwLCB0aGUgaW50cm9zcGVjdGlvbiBlbmdpbmUgd291bGQgbW9uaXRvcgo+Pj4+Pj4+PiBsZWdh Y3kgZ3Vlc3QgcGFnZS10YWJsZXMgYnkgbWFya2luZyB0aGVtIHJlYWQtb25seSBpbnNpZGUgdGhl IEVQVDsgdGhpcwo+Pj4+Pj4+PiB3YXkgYW55IG1vZGlmaWNhdGlvbiBleHBsaWNpdGx5IG1hZGUg YnkgdGhlIGd1ZXN0IG9yIGltcGxpY2l0bHkgbWFkZSBieQo+Pj4+Pj4+PiB0aGUgQ1BVIHBhZ2Ug d2Fsa2VyIHdvdWxkIHRyaWdnZXIgYW4gRVBUIHZpb2xhdGlvbiwgd2hpY2ggd291bGQgYmUKPj4+ Pj4+Pj4gZm9yd2FyZGVkIGJ5IFhlbiB0byB0aGUgU1ZBIGFuZCB0aHVzIHRoZSBIVkkgYWdlbnQu ICBUaGUgSFZJIGFnZW50IHdvdWxkCj4+Pj4+Pj4+IGFuYWx5c2UgdGhlIG1vZGlmaWNhdGlvbiwg YW5kIGFjdCB1cG9uIGl0IC0gZm9yIGV4YW1wbGUsIGEgdmlydHVhbCBwYWdlCj4+Pj4+Pj4+IG1h eSBiZSByZW1hcHBlZCAoaXRzIGd1ZXN0IHBoeXNpY2FsIGFkZHJlc3MgY2hhbmdlZCBpbnNpZGUg dGhlCj4+Pj4+Pj4+IHBhZ2UtdGFibGUpLCBpbiB3aGljaCBjYXNlIHRoZSBpbnRyb3NwZWN0aW9u IGxvZ2ljIHdvdWxkIHVwZGF0ZSB0aGUKPj4+Pj4+Pj4gcHJvdGVjdGlvbiBhY2NvcmRpbmdseSAo cmVtb3ZlIEVQVCBob29rIG9uIHRoZSBvbGQgZ3BhLCBhbmQgcGxhY2UgYSBuZXcKPj4+Pj4+Pj4g RVBUIGhvb2sgb24gdGhlIG5ldyBncGEpLiAgSW4gb3RoZXIgY2FzZXMsIHRoZSBtb2RpZmljYXRp b24gbWF5IGJlIG9mIG5vCj4+Pj4+Pj4+IGludGVyZXN0IHRvIHRoZSBpbnRyb3NwZWN0aW9uIGVu Z2luZSAtIGZvciBleGFtcGxlLCB0aGUgYWNjZXNzZWQvZGlydHkKPj4+Pj4+Pj4gYml0cyBtYXkg YmUgY2xlYXJlZCBieSB0aGUgb3BlcmF0aW5nIHN5c3RlbSBvciB0aGUgYWNjZXNzZWQvZGlydHkg Yml0cwo+Pj4+Pj4+PiBtYXkgYmUgc2V0IGJ5IHRoZSBDUFUgcGFnZSB3YWxrZXIuCj4+Pj4+Pj4+ Cj4+Pj4+Pj4+IEluIG91ciB0ZXN0cyB3ZSBkaXNjb3ZlcmVkIHRoYXQgdGhlIHZhc3QgbWFqb3Jp dHkgb2YgZ3Vlc3QgcGFnZS10YWJsZQo+Pj4+Pj4+PiBtb2RpZmljYXRpb25zIGZhbGwgaW4gdGhl IHNlY29uZCBjYXRlZ29yeSAoZXNwZWNpYWxseSBvbiBXaW5kb3dzIDEwIFJTNAo+Pj4+Pj4+PiB4 NjQgLSBtb3JlIHRoYW4gOTUlIG9mIEFMTCB0aGUgcGFnZS10YWJsZSBtb2RpZmljYXRpb25zIGFy ZSBpcnJlbGV2YW50IHRvCj4+Pj4+Pj4+IHVzKSAtIHRoZXkgYXJlIG9mIG5vIGludGVyZXN0IHRv IHRoZSBpbnRyb3NwZWN0aW9uIGxvZ2ljLCBidXQgdGhleQo+Pj4+Pj4+PiB0cmlnZ2VyIGEgdmVy eSBjb3N0bHkgRVBUIHZpb2xhdGlvbiBub25ldGhlbGVzcy4gIFRoZXJlZm9yZSwgd2UgZGVjaWRl ZAo+Pj4+Pj4+PiB0byBtYWtlIHVzZSBvZiB0aGUgbmV3ICNWRSAmIFZNRlVOQyBmZWF0dXJlcyBp biByZWNlbnQgSW50ZWwgQ1BVcyB0bwo+Pj4+Pj4+PiBhY2NlbGVyYXRlIHRoZSBndWVzdCBwYWdl LXRhYmxlcyBtb25pdG9yaW5nIGluIHRoZSBmb2xsb3dpbmcgd2F5Ogo+Pj4+Pj4+Pgo+Pj4+Pj4+ PiAxLiBFYWNoIG1vbml0b3JlZCBwYWdlLXRhYmxlIHdvdWxkIGJlIGZsYWdnZWQgYXMgYmVpbmcg Y29udmVydGlibGUKPj4+Pj4+Pj4gICAgaW5zaWRlIHRoZSBFUFQsIHRodXMgZW5hYmxpbmcgdGhl IENQVSB0byBkZWxpdmVyIGEgdmlydHVhbGl6YXRpb24KPj4+Pj4+Pj4gICAgZXhjZXB0aW9uIHRv IGhlIGd1ZXN0IGluc3RlYWQgb2YgZ2VuZXJhdGluZyBhIHRyYWRpdGlvbmFsIEVQVAo+Pj4+Pj4+ PiAgICB2aW9sYXRpb24uCj4+Pj4+Pj4+IDIuIFdlIGluamVjdCBhIHNtYWxsIGZpbHRlcmluZyBk cml2ZXIgaW5zaWRlIHRoZSBwcm90ZWN0ZWQgZ3Vlc3QgVk0sCj4+Pj4+Pj4+ICAgIHdoaWNoIHdv dWxkIGludGVyY2VwdCB0aGUgdmlydHVhbGl6YXRpb24gZXhjZXB0aW9uIGluIG9yZGVyIHRvIGhh bmRsZQo+Pj4+Pj4+PiAgICBndWVzdCBwYWdlLXRhYmxlIG1vZGlmaWNhdGlvbnMuCj4+Pj4+Pj4+ IDMuIFdlIGNyZWF0ZSBhIGRlZGljYXRlZCBFUFQgdmlldyAoYWx0cDJtKSBmb3IgdGhlIGluLWd1 ZXN0IGFnZW50LCB3aGljaAo+Pj4+Pj4+PiAgICB3b3VsZCBpc29sYXRlIHRoZSBhZ2VudCBmcm9t IHRoZSByZXN0IG9mIHRoZSBvcGVyYXRpbmcgc3lzdGVtOyB0aGUKPj4+Pj4+Pj4gICAgYWdlbnQg d2lsbCBzd2l0Y2ggaW4gYW5kIG91dCBvZiB0aGUgcHJvdGVjdGVkIEVQVCB2aWV3IHZpYSB0aGUg Vk1GVU5DCj4+Pj4+Pj4+ICAgIGluc3RydWN0aW9uIHBsYWNlZCBpbnNpZGUgYSB0cmFtcG9saW5l IHBhZ2UsIHRodXMgbWFraW5nIHRoZSBhZ2VudAo+Pj4+Pj4+PiAgICBpbW11bmUgdG8gbWFsaWNp b3VzIGNvZGUgaW5zaWRlIHRoZSBndWVzdC4KPj4+Pj4+Pj4KPj4+Pj4+Pj4gVGhpcyB3YXksIGFs bCB0aGUgcGFnZS10YWJsZSBhY2Nlc3NlcyB3b3VsZCBnZW5lcmF0ZSBhCj4+Pj4+Pj4+IHZpcnR1 YWxpemF0aW9uLWV4Y2VwdGlvbiBpbnNpZGUgdGhlIGd1ZXN0IGluc3RlYWQgb2YgYSBjb3N0bHkg RVBUCj4+Pj4+Pj4+IHZpb2xhdGlvbjsgdGhlICNWRSBhZ2VudCB3b3VsZCBlbXVsYXRlIGFuZCBh bmFseXNlIHRoZSBtb2RpZmljYXRpb24sIGFuZAo+Pj4+Pj4+PiBkZWNpZGUgd2hldGhlciBpdCBp cyByZWxldmFudCBmb3IgdGhlIG1haW4gaW50cm9zcGVjdGlvbiBsb2dpYzsgaWYgaXQgaXMKPj4+ Pj4+Pj4gcmVsZXZhbnQsIGl0IHdvdWxkIGRvIGEgVk1DQUxMIGFuZCBub3RpZnkgdGhlIGludHJv c3BlY3Rpb24gZW5naW5lCj4+Pj4+Pj4+IGFib3V0IHRoZSBtb2RpZmljYXRpb247IG90aGVyd2lz ZSwgaXQgd291bGQgcmVzdW1lIG5vcm1hbCBpbnN0cnVjdGlvbgo+Pj4+Pj4+PiBleGVjdXRpb24s IHRodXMgYXZvaWRpbmcgYSB2ZXJ5IGNvc3RseSBWTSBleGl0Lgo+Pj4+Pj4+Pgo+Pj4+Pj4+PiBT aWduZWQtb2ZmLWJ5OiBBZHJpYW4gUG9wIDxhcG9wQGJpdGRlZmVuZGVyLmNvbT4KPj4+Pj4+Pj4g LS0tCj4+Pj4+Pj4+IENoYW5nZXMgaW4gdjI6Cj4+Pj4+Pj4+IC0gcmVtb3ZlIHRoZSAiX19nZXRf dmNwdSgpIiBoZWxwZXIKPj4+Pj4+Pj4gLS0tCj4+Pj4+Pj4+ICB0b29scy9saWJ4Yy94Y19hbHRw Mm0uYyB8ICAxIC0KPj4+Pj4+Pj4gIHhlbi9hcmNoL3g4Ni9odm0vaHZtLmMgIHwgMTkgKysrKysr KysrKy0tLS0tLS0tLQo+Pj4+Pj4+PiAgMiBmaWxlcyBjaGFuZ2VkLCAxMCBpbnNlcnRpb25zKCsp LCAxMCBkZWxldGlvbnMoLSkKPj4+Pj4+Pj4KPj4+Pj4+Pj4gZGlmZiAtLWdpdCBhL3Rvb2xzL2xp YnhjL3hjX2FsdHAybS5jIGIvdG9vbHMvbGlieGMveGNfYWx0cDJtLmMKPj4+Pj4+Pj4gaW5kZXgg Y2U0YTFlNGQ2MC4uNTI4ZTkyOWQ3YSAxMDA2NDQKPj4+Pj4+Pj4gLS0tIGEvdG9vbHMvbGlieGMv eGNfYWx0cDJtLmMKPj4+Pj4+Pj4gKysrIGIvdG9vbHMvbGlieGMveGNfYWx0cDJtLmMKPj4+Pj4+ Pj4gQEAgLTY4LDcgKzY4LDYgQEAgaW50IHhjX2FsdHAybV9zZXRfZG9tYWluX3N0YXRlKHhjX2lu dGVyZmFjZSAqaGFuZGxlLCB1aW50MzJfdCBkb20sIGJvb2wgc3RhdGUpCj4+Pj4+Pj4+ICAgICAg cmV0dXJuIHJjOwo+Pj4+Pj4+PiAgfQo+Pj4+Pj4+Pgo+Pj4+Pj4+PiAtLyogVGhpcyBpcyBhIGJp dCBvZGQgdG8gbWUgdGhhdCBpdCBhY3RzIG9uIGN1cnJlbnQuLiAqLwo+Pj4+Pj4+PiAgaW50IHhj X2FsdHAybV9zZXRfdmNwdV9lbmFibGVfbm90aWZ5KHhjX2ludGVyZmFjZSAqaGFuZGxlLCB1aW50 MzJfdCBkb21pZCwKPj4+Pj4+Pj4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICB1aW50MzJfdCB2Y3B1aWQsIHhlbl9wZm5fdCBnZm4pCj4+Pj4+Pj4+ICB7Cj4+Pj4+Pj4+IGRp ZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvaHZtL2h2bS5jIGIveGVuL2FyY2gveDg2L2h2bS9odm0u Ywo+Pj4+Pj4+PiBpbmRleCA3MmM1MWZhZWNiLi40OWMzYmJlZTk0IDEwMDY0NAo+Pj4+Pj4+PiAt LS0gYS94ZW4vYXJjaC94ODYvaHZtL2h2bS5jCj4+Pj4+Pj4+ICsrKyBiL3hlbi9hcmNoL3g4Ni9o dm0vaHZtLmMKPj4+Pj4+Pj4gQEAgLTQ1MzMsOCArNDUzMyw3IEBAIHN0YXRpYyBpbnQgZG9fYWx0 cDJtX29wKAo+Pj4+Pj4+PiAgICAgICAgICByZXR1cm4gLUVPUE5PVFNVUFA7Cj4+Pj4+Pj4+ICAg ICAgfQo+Pj4+Pj4+Pgo+Pj4+Pj4+PiAtICAgIGQgPSAoIGEuY21kICE9IEhWTU9QX2FsdHAybV92 Y3B1X2VuYWJsZV9ub3RpZnkgKSA/Cj4+Pj4+Pj4+IC0gICAgICAgIHJjdV9sb2NrX2RvbWFpbl9i eV9hbnlfaWQoYS5kb21haW4pIDogcmN1X2xvY2tfY3VycmVudF9kb21haW4oKTsKPj4+Pj4+Pj4g KyAgICBkID0gcmN1X2xvY2tfZG9tYWluX2J5X2FueV9pZChhLmRvbWFpbik7Cj4+Pj4+Pj4gRG9l cyByY3VfbG9ja19kb21haW5fYnlfYW55X2lkIHdvcmsgaWYgaXRzIGZyb20gdGhlIGN1cnJlbnQg ZG9tYWluPyBJZgo+Pj4+Pj4+IG5vdCwgZG9lc24ndCB0aGF0IGNoYW5nZSB0aGlzIGZ1bmN0aW9u J3MgYWNjZXNzaWJpbGl0eSB0byBiZSBmcm9tCj4+Pj4+Pj4gZXhjbHVzaXZlbHkgdXNhYmxlIG9u bHkgYnkgdGhlIG91dHNpZGUgYWdlbnQ/Cj4+Pj4+PiBUaGUgY29kZSBzYXlzIGl0IHNob3VsZCBi ZSBzYWZlOgo+Pj4+Pj4KPj4+Pj4+ICA2MzMgc3RydWN0IGRvbWFpbiAqcmN1X2xvY2tfZG9tYWlu X2J5X2FueV9pZChkb21pZF90IGRvbSkKPj4+Pj4+ICA2MzQgewo+Pj4+Pj4gIDYzNSAgICAgaWYg KCBkb20gPT0gRE9NSURfU0VMRiApCj4+Pj4+PiAgNjM2ICAgICAgICAgcmV0dXJuIHJjdV9sb2Nr X2N1cnJlbnRfZG9tYWluKCk7Cj4+Pj4+PiAgNjM3ICAgICByZXR1cm4gcmN1X2xvY2tfZG9tYWlu X2J5X2lkKGRvbSk7Cj4+Pj4+PiAgNjM4IH0KPj4+Pj4+Cj4+Pj4+PiBhcyBsb25nIGFzIGRvbSA9 PSBET01JRF9TRUxGLiBJIHRoaW5rIHRoZSBvbGQgYmVoYXZpb3VyIGFzc3VtZWQgdGhhdAo+Pj4+ Pj4gSFZNT1BfYWx0cDJtX3ZjcHVfZW5hYmxlX25vdGlmeSBhbG9uZSB3b3VsZCBvbmx5IGV2ZXIg YmUgdXNlZCBmcm9tIHRoZQo+Pj4+Pj4gY3VycmVudCBkb21haW4sIGFuZCB0aGlzIGNoYW5nZSBl eHBhbmRzIGl0cyB1c2FiaWxpdHkgKEFkcmlhbiBzaG91bGQKPj4+Pj4+IGNvcnJlY3QgbWUgaWYg SSdtIHdyb25nIGhlcmUpLgo+Pj4+PiBTb3VuZHMgZ29vZCwgdGhhbmtzIQo+Pj4+IE1heSB3ZSB0 YWtlIHRoYXQgYXMgYW4gQWNrZWQtYnksIG9yIGFyZSB0aGVyZSBhcmUgb3RoZXIgdGhpbmdzIHlv dSB0aGluawo+Pj4+IHdlIHNob3VsZCBhZGRyZXNzPwo+Pj4gQSBSZXZpZXdlZC1ieSB3b3VsZCBi ZSBhcHByb3ByaWF0ZSwgSSBkb24ndCB0aGluayB0aGUgZmlsZXMgdG91Y2hlZCBpbgo+Pj4gdGhp cyBwYXRjaCBmYWxsIHVuZGVyIG91ciB1bWJyZWxsYS4KPj4KPj4gVGhhdCBkb2Vzbid0IHByb2hp Yml0IHlvdSBwcm92aWRpbmcgYSBSZXZpZXdlZC1ieTogdGFnIDopCj4+Cj4+IFRoZSBzdGF0ZW1l bnQgaXRzZWxmIGlzIHVzZWZ1bCBhbmQgaG9sZCB3ZWlnaHQsIGV2ZW4gaWYgaXQgaXNuJ3QgaW4g Y29kZQo+PiB5b3UgYXJlIGEgbWFpbnRhaW5lciBvZi4KPiAKPiBJbmRlZWQgOikKPiAKPiBSZXZp ZXdlZC1ieTogVGFtYXMgSyBMZW5neWVsIDx0YW1hc0B0a2xlbmd5ZWwuY29tPgoKQXJlIHRoZXJl IGFueSBpc3N1ZXMgcHJldmVudGluZyB0aGlzIHBhdGNoIHRvIGdvIGluPyBQb3NzaWJseSBtaXNz aW5nIGFja3M/CgoKVGhhbmtzLApSYXp2YW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3Rz LnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0 aW5mby94ZW4tZGV2ZWw=