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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 1iUvsp-00069h-Hr; Wed, 13 Nov 2019 16:52:43 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iUvso-00069c-PV for xen-devel@lists.xenproject.org; Wed, 13 Nov 2019 16:52:42 +0000 X-Inumbo-ID: 00fb589c-0636-11ea-9631-bc764e2007e4 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 00fb589c-0636-11ea-9631-bc764e2007e4; Wed, 13 Nov 2019 16:52:40 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 93C76ACA7; Wed, 13 Nov 2019 16:52:39 +0000 (UTC) To: Tamas K Lengyel References: <20191106153442.12776-1-aisaila@bitdefender.com> <9a02de11-09bd-a54f-48f6-1ce1a0246325@suse.com> <2ba0e8d7-0e58-62c0-6c2b-8d9934b1137e@suse.com> From: Jan Beulich Message-ID: <20633eaf-0bc4-939c-3f55-599a54c8e154@suse.com> Date: Wed, 13 Nov 2019 17:52:54 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Subject: Re: [Xen-devel] [PATCH V2 1/2] x86/altp2m: Add hypercall to set a range of sve bits 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: Petre Ovidiu PIRCALABU , "sstabellini@kernel.org" , "julien@xen.org" , "wl@xen.org" , Razvan COJOCARU , "konrad.wilk@oracle.com" , "george.dunlap@eu.citrix.com" , "andrew.cooper3@citrix.com" , "ian.jackson@eu.citrix.com" , Alexandru Stefan ISAILA , "xen-devel@lists.xenproject.org" , "roger.pau@citrix.com" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMTMuMTEuMjAxOSAxNTo1NywgVGFtYXMgSyBMZW5neWVsIHdyb3RlOgo+IE9uIFdlZCwgTm92 IDEzLCAyMDE5IGF0IDc6NTEgQU0gVGFtYXMgSyBMZW5neWVsIDx0YW1hc0B0a2xlbmd5ZWwuY29t PiB3cm90ZToKPj4KPj4gT24gVHVlLCBOb3YgMTIsIDIwMTkgYXQgNzozMSBBTSBKYW4gQmV1bGlj aCA8amJldWxpY2hAc3VzZS5jb20+IHdyb3RlOgo+Pj4KPj4+IE9uIDEyLjExLjIwMTkgMTU6MDUs IFRhbWFzIEsgTGVuZ3llbCB3cm90ZToKPj4+PiBPbiBUdWUsIE5vdiAxMiwgMjAxOSBhdCA0OjU0 IEFNIEphbiBCZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4gd3JvdGU6Cj4+Pj4+IE9uIDA2LjEx LjIwMTkgMTY6MzUsIEFsZXhhbmRydSBTdGVmYW4gSVNBSUxBIHdyb3RlOgo+Pj4+Pj4gKyAgICAg ICAgZWxzZQo+Pj4+Pj4gKyAgICAgICAgewo+Pj4+Pj4gKyAgICAgICAgICAgIHJjID0gcDJtX3Nl dF9zdXBwcmVzc192ZV9tdWx0aShkLCAmYS51LnN1cHByZXNzX3ZlKTsKPj4+Pj4+ICsKPj4+Pj4+ ICsgICAgICAgICAgICBpZiAoIHJjID09IC1FUkVTVEFSVCApCj4+Pj4+PiArICAgICAgICAgICAg ICAgIGlmICggX19jb3B5X2ZpZWxkX3RvX2d1ZXN0KGd1ZXN0X2hhbmRsZV9jYXN0KGFyZywKPj4+ Pj4+ICsgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgeGVuX2h2bV9h bHRwMm1fb3BfdCksCj4+Pj4+PiArICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICZhLCB1LnN1cHByZXNzX3ZlLm9wYXF1ZSkgKQo+Pj4+Pj4gKyAgICAgICAgICAgICAg ICAgICAgcmMgPSAtRUZBVUxUOwo+Pj4+Pgo+Pj4+PiBJZiB0aGUgb3BlcmF0aW9uIGlzIGJlc3Qg ZWZmb3J0LCBfc29tZV8gaW5kaWNhdGlvbiBvZiBmYWlsdXJlIHNob3VsZAo+Pj4+PiBzdGlsbCBi ZSBoYW5kZWQgYmFjayB0byB0aGUgY2FsbGVyLiBXaGV0aGVyIHRoYXQncyB0aHJvdWdoIHRoZSBv cGFxdWUKPj4+Pj4gZmllbGQgb3IgYnkgc29tZSBvdGhlciBtZWFucyBpcyBzZWNvbmRhcnkuIElm IG5vdCB2aWEgdGhhdCBmaWVsZAo+Pj4+PiAod2hpY2ggd291bGQgbWFrZSB0aGUgb3V0ZXIgb2Yg dGhlIHR3byBpZigpLXMgZGlzYXBwZWFyKSwgcGxlYXNlIGZvbGQKPj4+Pj4gdGhlIGlmKCktcy4K Pj4+Pgo+Pj4+IEF0IGxlYXN0IGZvciBtZW1fc2hhcmluZ19yYW5nZV9vcCB3ZSBhbHNvIGRvIGEg YmVzdC1lZmZvcnQgYW5kIGRvbid0Cj4+Pj4gcmV0dXJuIGFuIGVycm9yIGZvciBwYWdlcyB3aGVy ZSBpdCB3YXNuJ3QgcG9zc2libGUgdG8gc2hhcmUuIFNvIEkKPj4+PiBkb24ndCB0aGluayBpdCdz IGFic29sdXRlbHkgbmVjZXNzYXJ5IHRvIGRvIHRoYXQsIGVzcGVjaWFsbHkgaWYgdGhlCj4+Pj4g Y2FsbGVyIGNhbid0IGRvIGFueXRoaW5nIGFib3V0IHRob3NlIGVycm9ycyBhbnl3YXkuCj4+Pgo+ Pj4gbWVtLXNoYXJpbmcgaXMgYSBsaXR0bGUgZGlmZmVyZW50IGluIG5hdHVyZSwgaXNuJ3QgaXQ/ IElmIHlvdQo+Pj4gY2FuJ3Qgc2hhcmUgYSBwYWdlLCBib3RoIGludm9sdmVkIGd1ZXN0cyB3aWxs IGNvbnRpbnVlIHRvIHJ1bgo+Pj4gd2l0aCB0aGVpciBvd24gaW5zdGFuY2VzLiBJZiB5b3Ugd2Fu dCB0byBzdXBwcmVzcyAjVkUgZGVsaXZlcnkKPj4+IGFuZCBpdCBmYWlscywgYmVoYXZpb3Igd29u J3QgYmUgdHJhbnNwYXJlbnRseSBjb3JyZWN0LCBhcwo+Pj4gdGhlcmUnbGwgcG90ZW50aWFsbHkg YmUgI1ZFIHdoZW4gdGhlcmUgc2hvdWxkIGJlIG5vbmUuIFdoZXRoZXIKPj4+IHRoYXQncyBiZW5p Z24gdG8gdGhlIGd1ZXN0IHZlcnkgbXVjaCBkZXBlbmRzIG9uIGl0cyBoYW5kbGVyLgo+Pgo+PiBN YWtlcyBtZSB3b25kZXIgd2hldGhlciBpdCB3b3VsZCBtYWtlIG1vcmUgc2Vuc2UgdG8gZmxpcCB0 aGlzIHRoaW5nIG9uCj4+IGl0cyBoZWFkIGFuZCBoYXZlIHN1cHJlc3NfdmUgYmUgc2V0IGJ5IGRl ZmF1bHQgKHNpbmNlIGl0cyBpZ25vcmVkIGJ5Cj4+IGRlZmF1bHQpIGFuZCB0aGVuIGhhdmUgcGFn ZXMgZm9yIHdoaWNoIHRoZSBFUFQgdmlvbGF0aW9uIHNob3VsZCBiZQo+PiBjb252ZXJ0aWJsZSB0 byAjVkUgYmUgc3BlY2lmaWNhbGx5IGVuYWJsZWQgYnkgdHVybmluZyBzdXBwcmVzc192ZSBvZmYu Cj4+IFRoYXQgd291bGQgZWxpbWluYXRlIHRoZSBwb3NzaWJpbGl0eSBvZiBoYXZpbmcgdGhlIGlu LWd1ZXN0IGhhbmRsZXIKPj4gZ2V0dGluZyAjVkUgZm9yIHBhZ2VzIGl0IGlzIG5vdCByZWFkeSB0 byBoYW5kbGUuIFRoZSBoeXBlcnZpc29yIChhbmQKPj4gdGhlIGV4dGVybmFsIFZNSSB0b29sc3Rh Y2spIE9UT0ggc2hvdWxkIGFsd2F5cyBiZSBpbiBhIHBvc2l0aW9uIHRvCj4+IGhhbmRsZSBFUFQg dmlvbGF0aW9ucyBpdCBpdHNlbGYgY2F1c2VzIGJ5IGNoYW5naW5nIHRoZSBwYWdlCj4+IHBlcm1p c3Npb25zLgo+IAo+IEFjdHVhbGx5LCBub3cgdGhhdCBJIGxvb2tlZCBhdCBpdCwgdGhhdCdzIF9l eGFjdGx5XyB3aGF0IHdlIGRvCj4gYWxyZWFkeS4gVGhlIHN1cHByZXNzX3ZlIGJpdCBpcyBhbHdh eXMgc2V0IGZvciBhbGwgRVBUIHBhZ2VzLiBTbyB0aGlzCj4gb3BlcmF0aW9uIGhlcmUgaXMgZ29p bmcgdG8gYmUgdXNlZCB0byBlbmFibGUgI1ZFIGZvciBwYWdlcywgbm90IHRoZQo+IG90aGVyIHdh eSBhcm91bmQuIFNvIHRoZXJlIHdvdWxkbid0IGJlIGEgY2FzZSBvZiAicG90ZW50aWFsbHkgYmUg I1ZFCj4gd2hlbiB0aGVyZSBzaG91bGQgYmUgbm9uZSIuCgpCdXQgdGhpcyBkb2Vzbid0IGNoYW5n ZSB0aGUgYm90dG9tIGxpbmUgb2YgbXkgZWFybGllciBjb21tZW50OiBJdCdzCmFzIGJhZCB0byBh biBPUyB0byBzZWUgdG9vIG1hbnkgI1ZFIGFzIGl0IGlzIHRvIG1pc3MgYW55IHRoYXQgYXJlCmV4 cGVjdGVkLgoKSmFuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9y ZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs