From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH v2 1/6] x86/xpti: avoid copying L4 page table contents when possible Date: Tue, 06 Mar 2018 00:58:24 -0700 Message-ID: <5A9E583002000078001AED3A@prv-mh.provo.novell.com> References: <20180302081403.16953-1-jgross@suse.com> <20180302081403.16953-2-jgross@suse.com> <5A9D81DC02000078001AEB68@suse.com> <491a2039-d6ef-cad1-b8f3-191fddf73ccf@suse.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 4.84_2) (envelope-from ) id 1et7UZ-0002OS-QR for xen-devel@lists.xenproject.org; Tue, 06 Mar 2018 07:58:35 +0000 In-Reply-To: <491a2039-d6ef-cad1-b8f3-191fddf73ccf@suse.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Juergen Gross Cc: andrew.cooper3@citrix.com, Dario Faggioli , wei.liu2@citrix.com, xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDA2LjAzLjE4IGF0IDA4OjAxLCA8amdyb3NzQHN1c2UuY29tPiB3cm90ZToKPiBPbiAw NS8wMy8xOCAxNzo0MywgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4+IE9uIDAyLjAzLjE4IGF0IDA5 OjEzLCA8amdyb3NzQHN1c2UuY29tPiB3cm90ZToKPj4+IC0tLSBhL3hlbi9hcmNoL3g4Ni9tbS5j Cj4+PiArKysgYi94ZW4vYXJjaC94ODYvbW0uYwo+Pj4gQEAgLTUwOSw2ICs1MDksOCBAQCB2b2lk IG1ha2VfY3IzKHN0cnVjdCB2Y3B1ICp2LCBtZm5fdCBtZm4pCj4+PiAgCj4+PiAgdm9pZCB3cml0 ZV9wdGJhc2Uoc3RydWN0IHZjcHUgKnYpCj4+PiAgewo+Pj4gKyAgICBnZXRfY3B1X2luZm8oKS0+ cm9vdF9wZ3RfY2hhbmdlZCA9IHRoaXNfY3B1KHJvb3RfcGd0KSAmJiBpc19wdl92Y3B1KHYpICYm Cj4+PiArICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIWlzX3B2XzMyYml0 X3ZjcHUodik7Cj4+IAo+PiBXaHkgaXNfcHZfdmNwdSgpIHdoZW4geW91IGFscmVhZHkgY2hlY2sg aXNfcHZfMzJiaXRfdmNwdSgpPwo+IAo+IEkgY2hlY2sgIWlzX3B2XzMyYml0X3ZjcHUoKSB0byBj YXRjaCA2NC1iaXQgcHYtZG9tYWlucyBvbmx5LgoKT2gsIEknbSBzb3JyeSAtIEZvciB3aGF0ZXZl ciByZWFzb24gSSd2ZSBpZ25vcmVkIHRoZSAhIHRoZXJlLgoKPj4gQW5kIGRvbid0IHlvdSBuZWVk IHRvIGRpc2FsbG93IHVwZGF0aW5nIEw0cyBvZiBydW5uaW5nIGd1ZXN0cyBub3cKPj4gKHdoaWNo IGlzIGEgYmFkIGlkZWEgYW55d2F5KT8KPiAKPiBZZXMsIEkgc2hvdWxkIGRvIHRoYXQuCgpCdXQg cGxlYXNlIGRvIHRoaXMgYXMgYSBzZXBhcmF0ZSBjaGFuZ2UsIGFzIHN0cmljdGx5IHNwZWFraW5n IHRoaXMgaXMKYSBiZWhhdmlvcmFsIGNoYW5nZSB0aGF0IHdlIGNhbid0IGFsbG93LiBCdXQgSSB0 aGluayB3ZSBzaW1wbHkgbmVlZAp0byBhY2NlcHQgdGhpcyAoYW5kIHBlcmhhcHMgdW5pZm9ybWx5 IGZvciBhbGwgcGFnZSB0YWJsZSBsZXZlbHMpLgoKSmFuCgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2 ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWls bWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==