From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <JBeulich@suse.com>
Subject: Re: [PATCH v2 1/2] x86/PoD: correctly handle
 non-order-0 decrease-reservation requests
Date: Fri, 19 Jan 2018 09:13:48 -0700
Message-ID: <5A62274C02000078001A07F8@prv-mh.provo.novell.com>
References: <5A25364E0200007800194503@prv-mh.provo.novell.com>
 <5A3A3A7C0200007800198C85@prv-mh.provo.novell.com>
 <5A3A3CB90200007800198C9C@prv-mh.provo.novell.com>
 <60012010-26ea-17a5-8fd3-fd0d69164c76@citrix.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xenproject.org>
Received: from all-amaz-eas1.inumbo.com ([34.197.232.57])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <srs0=mpbx=eo=suse.com=jbeulich@srs-us1.protection.inumbo.net>)
 id 1ecZcA-0000wn-6V
 for xen-devel@lists.xenproject.org; Fri, 19 Jan 2018 16:34:02 +0000
In-Reply-To: <60012010-26ea-17a5-8fd3-fd0d69164c76@citrix.com>
Content-Disposition: inline
List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xenproject.org>
List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help>
List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xenproject.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org>
To: George Dunlap <george.dunlap@citrix.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wei.liu2@citrix.com>, George Dunlap <George.Dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>, Julien Grall <julien.grall@arm.com>, xen-devel <xen-devel@lists.xenproject.org>
List-Id: xen-devel@lists.xenproject.org

Pj4+IE9uIDE5LjAxLjE4IGF0IDE3OjA0LCA8Z2VvcmdlLmR1bmxhcEBjaXRyaXguY29tPiB3cm90
ZToKPiBPbiAxMi8yMC8yMDE3IDA5OjM0IEFNLCBKYW4gQmV1bGljaCB3cm90ZToKPj4gcDJtX3Bv
ZF9kZWNyZWFzZV9yZXNlcnZhdGlvbigpIGF0IHRoZSBtb21lbnQgb25seSByZXR1cm5zIGEgYm9v
bGVhbgo+PiB2YWx1ZTogdHJ1ZSBmb3IgIm5vdGhpbmcgbW9yZSB0byBkbyIsIGZhbHNlIGZvciAi
c29tZXRoaW5nIG1vcmUgdG8gZG8iLgo+PiBJZiBpdCByZXR1cm5zIGZhbHNlLCBkZWNyZWFzZV9y
ZXNlcnZhdGlvbigpIHdpbGwgbG9vcCBvdmVyIHRoZSBlbnRpcmUKPj4gcmFuZ2UsIGNhbGxpbmcg
Z3Vlc3RfcmVtb3ZlX3BhZ2UoKSBmb3IgZWFjaCBwYWdlLgo+PiAKPj4gVW5mb3J0dW5hdGVseSwg
aW4gdGhlIGNhc2UgcDJtX3BvZF9kZWNyZWFzZV9yZXNlcnZhdGlvbigpIHN1Y2NlZWRzCj4+IHBh
cnRpYWxseSwgc29tZSBvZiB0aGUgbWVtb3J5IGluIHRoZSByYW5nZSB3aWxsIGJlIG5vdC1wcmVz
ZW50OyBhdCB3aGljaAo+PiBwb2ludCBndWVzdF9yZW1vdmVfcGFnZSgpIHdpbGwgcmV0dXJuIGFu
IGVycm9yLCBhbmQgdGhlIGVudGlyZSBvcGVyYXRpb24KPj4gd2lsbCBmYWlsLgo+PiAKPj4gRml4
IHRoaXMgYnk6Cj4+IDEuIEhhdmluZyBwMm1fcG9kX2RlY3JlYXNlX3Jlc2VydmF0aW9uKCkgcmV0
dXJuIGV4YWN0bHkgdGhlIG51bWJlciBvZgo+PiAgICBncGZuIHBhZ2VzIGl0IGhhcyBoYW5kbGVk
IChpLmUuLCByZXBsYWNlZCB3aXRoICdub3QgcHJlc2VudCcpLgo+PiAyLiBNYWtpbmcgZ3Vlc3Rf
cmVtb3ZlX3BhZ2UoKSByZXR1cm4gLUVOT0VOVCBpbiB0aGUgY2FzZSB0aGF0IHRoZSBncGZuCj4+
ICAgIGluIHF1ZXN0aW9uIHdhcyBhbHJlYWR5IGVtcHR5IChhbmQgaW4gbm8gb3RoZXIgY2FzZXMp
Lgo+PiAzLiBXaGVuIGxvb3Bpbmcgb3ZlciBndWVzdF9yZW1vdmVfcGFnZSgpLCBleHBlY3QgdGhl
IG51bWJlciBvZiAtRU5PRU5UCj4+ICAgIGZhaWx1cmVzIHRvIGJlIG5vIGxhcmdlciB0aGFuIHRo
ZSBudW1iZXIgb2YgcGFnZXMKPj4gICAgcDJtX3BvZF9kZWNyZWFzZV9yZXNlcnZhdGlvbigpIHJl
bW92ZWQuCj4+IAo+PiBTaWduZWQtb2ZmLWJ5OiBKYW4gQmV1bGljaCA8amJldWxpY2hAc3VzZS5j
b20+Cj4+IFNpZ25lZC1vZmYtYnk6IEdlb3JnZSBEdW5sYXAgPGdlb3JnZS5kdW5sYXBAY2l0cml4
LmNvbT4KPj4gLS0tCj4+IHYyOiBSZS13cml0dGVuIGRlc2NyaXB0aW9uIChieSBHZW9yZ2UpLiBB
ZGQgY29tbWVudHMgKGFzIHN1Z2dlc3RlZAo+PiAgICAgYnkgR2VvcmdlKS4gRm9ybWF0dGluZy4K
PiAKPiBPbmUgdGhpbmcgdG8gZG91YmxlLWNoZWNrLi4uCj4gCj4+IEBAIC0zMzUsMTAgKzMzNiw4
IEBAIGludCBndWVzdF9yZW1vdmVfcGFnZShzdHJ1Y3QgZG9tYWluICpkLAo+PiAgICAgICAgICBy
YyA9IG1lbV9zaGFyaW5nX3Vuc2hhcmVfcGFnZShkLCBnbWZuLCAwKTsKPj4gICAgICAgICAgaWYg
KCByYyApCj4+ICAgICAgICAgIHsKPj4gLSAgICAgICAgICAgIHB1dF9nZm4oZCwgZ21mbik7Cj4+
ICAgICAgICAgICAgICAodm9pZCltZW1fc2hhcmluZ19ub3RpZnlfZW5vbWVtKGQsIGdtZm4sIDAp
Owo+PiAtCj4+IC0gICAgICAgICAgICByZXR1cm4gcmM7Cj4+ICsgICAgICAgICAgICBnb3RvIG91
dF9wdXRfZ2ZuOwo+IAo+IEkgdGFrZSBpdCB5b3UndmUgY2hlY2tlZCB0byBtYWtlIHN1cmUgdGhh
dCBtb3ZpbmcgdGhpcyBwdXRfZ2ZuKCkgb3Zlcgo+IHRoZSBub3RpZnkgY2FsbCBpcyBPSz8KClll
cywgaW4gZmFjdCB0aGUgc3RhbGUtbmVzcyBvZiB0aGUgR0ZOIGlzIGdvaW5nIHRvIGJlIHNsaWdo
dGx5CnJlZHVjZWQgYnkgdGhlIHJlZmVyZW5jZSBiZWluZyBoZWxkIGFjcm9zcyB0aGF0IGZ1bmN0
aW9uIChpLmUuCm5vdyBhdCBsZWFzdCBpdCdzIG5vdCBzdGFsZSBhdCB0aGUgdGltZSB0aGUgZXZl
bnQgaXMgcHV0IG9uIHRoZQpyaW5nKS4gVGhlIGZ1bmN0aW9uIGRvZXNuJ3QgdXNlIGl0IGZvciBh
bnl0aGluZyBvdGhlciB0aGFuCnN0b3JpbmcgaXRzIHZhbHVlLgoKPiBJIHRvb2sgYSBicmllZiBs
b29rIGFuZCBpdCBzZWVtcyBPSyB0byBtZTsgc28gaWYgeW91J3JlIGhhcHB5IHdpdGggdGhhdAo+
IHRoZW46Cj4gCj4gUmV2aWV3ZWQtYnk6IEdlb3JnZSBEdW5sYXAgPGdlb3JnZS5kdW5sYXBAY2l0
cml4LmNvbT4KClRoYW5rcywgaXQgaGFzIGdvbmUgaW4gZWFybGllciB0b2RheSBhbHJlYWR5IGFu
eXdheSwgYmFzZWQgb24KQW5kcmV3J3MgYWNrICh3aGljaCBhZG1pdHRlZGx5IGhlIGhhcyBnaXZl
biBvdmVyIGlyYyByYXRoZXIKdGhhbiBieSBtYWlsKS4KCkphbgoKCl9fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVu
LWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcv
bWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=