From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: Re: [PATCH v2 REPOST 02/12] x86/mm: allow a privileged PV domain to map guest mfns Date: Tue, 29 Aug 2017 08:37:02 +0000 Message-ID: References: <20170822145107.6877-1-paul.durrant@citrix.com> <20170822145107.6877-3-paul.durrant@citrix.com> <20170824163312.6dspdjc5ifjhjzmb@citrix.com> <853ac75bb4e947998b3876098db9a8bf@AMSPEX02CL03.citrite.net> <20170828143827.f6sk4q5qxohei2mi@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dmc1A-0004Ke-8J for xen-devel@lists.xenproject.org; Tue, 29 Aug 2017 08:37:04 +0000 In-Reply-To: <20170828143827.f6sk4q5qxohei2mi@citrix.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" Cc: "xen-devel@lists.xenproject.org" , Wei Liu , Jan Beulich , Andrew Cooper List-Id: xen-devel@lists.xenproject.org PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQo+IEZyb206IFdlaSBMaXUgW21haWx0bzp3ZWku bGl1MkBjaXRyaXguY29tXQo+IFNlbnQ6IDI4IEF1Z3VzdCAyMDE3IDE1OjM4Cj4gVG86IFBhdWwg RHVycmFudCA8UGF1bC5EdXJyYW50QGNpdHJpeC5jb20+Cj4gQ2M6IFdlaSBMaXUgPHdlaS5saXUy QGNpdHJpeC5jb20+OyB4ZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmc7IEFuZHJldwo+IENv b3BlciA8QW5kcmV3LkNvb3BlcjNAY2l0cml4LmNvbT47IEphbiBCZXVsaWNoIDxqYmV1bGljaEBz dXNlLmNvbT4KPiBTdWJqZWN0OiBSZTogW1hlbi1kZXZlbF0gW1BBVENIIHYyIFJFUE9TVCAwMi8x Ml0geDg2L21tOiBhbGxvdyBhCj4gcHJpdmlsZWdlZCBQViBkb21haW4gdG8gbWFwIGd1ZXN0IG1m bnMKPiAKPiBPbiBGcmksIEF1ZyAyNSwgMjAxNyBhdCAxMTowNTo1NEFNICswMTAwLCBQYXVsIER1 cnJhbnQgd3JvdGU6Cj4gPiA+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tCj4gPiA+IEZyb206 IFdlaSBMaXUgW21haWx0bzp3ZWkubGl1MkBjaXRyaXguY29tXQo+ID4gPiBTZW50OiAyNCBBdWd1 c3QgMjAxNyAxNzozMwo+ID4gPiBUbzogUGF1bCBEdXJyYW50IDxQYXVsLkR1cnJhbnRAY2l0cml4 LmNvbT4KPiA+ID4gQ2M6IHhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZzsgQW5kcmV3IENv b3Blcgo+ID4gPiA8QW5kcmV3LkNvb3BlcjNAY2l0cml4LmNvbT47IEphbiBCZXVsaWNoIDxqYmV1 bGljaEBzdXNlLmNvbT47IFdlaQo+IExpdQo+ID4gPiA8d2VpLmxpdTJAY2l0cml4LmNvbT4KPiA+ ID4gU3ViamVjdDogUmU6IFtYZW4tZGV2ZWxdIFtQQVRDSCB2MiBSRVBPU1QgMDIvMTJdIHg4Ni9t bTogYWxsb3cgYQo+ID4gPiBwcml2aWxlZ2VkIFBWIGRvbWFpbiB0byBtYXAgZ3Vlc3QgbWZucwo+ ID4gPgo+ID4gPiBPbiBUdWUsIEF1ZyAyMiwgMjAxNyBhdCAwMzo1MDo1NlBNICswMTAwLCBQYXVs IER1cnJhbnQgd3JvdGU6Cj4gPiA+ID4gSW4gdGhlIGNhc2Ugd2hlcmUgYSBQViBkb21haW4gaXMg bWFwcGluZyBndWVzdCByZXNvdXJjZXMgdGhlbiBpdAo+IG5lZWRzCj4gPiA+IG1ha2UKPiA+ID4g PiB0aGUgSFlQRVJWSVNPUl9tbXVfdXBkYXRlIGNhbGwgdXNpbmcgRE9NSURfU0VMRiwgcmF0aGVy IHRoYW4gdGhlCj4gPiA+IGd1ZXN0Cj4gPiA+ID4gZG9taWQsIHNvIHRoYXQgdGhlIHBhc3NlZCBp biBnbWZuIHZhbHVlcyBhcmUgY29ycmVjdGx5IHRyZWF0ZWQgYXMgbWZucwo+ID4gPiA+IHJhdGhl ciB0aGFuIGdmbnMgcHJlc2VudCBpbiB0aGUgZ3Vlc3QgcDJtLgo+ID4gPiA+Cj4gPiA+Cj4gPiA+ IFdoYXQgd291bGQgYmUgdGhlIGNhbGxjaGFpbiBsaWtlIGluIHRoaXMgY2FzZT8KPiAKPiA+Cj4g PiBJdCdzIGV4YWN0bHkgbGlrZSBmb3JlaWduIG1hcHBpbmcgYnV0IHBhc3NpbmcgRE9NSURfU0VM Ri4gSS5lLiBpbgo+ID4gcHJpdmNtZCAoaW4gYSBQViBkb21haW4pIHlvdSBoYXZlIGFuIG1mbiBp biB5b3VyIGhhbmQgdGhhdCBhbHJlYWR5Cj4gPiBiZWxvbmdzIHRvIHlvdSByYXRoZXIgdGhhbiB0 aGUgZ21mbiBvZiBhIGZvcmVpZ24gZG9tYWluLgo+ID4KPiA+ID4KPiA+ID4gSSBkb24ndCBxdWl0 ZSB1bmRlcnN0YW5kIGhvdyB0aGlzIGZpdHMgd2l0aCB0aGUgcmVzb3VyY2UgbWFwcGluZwo+ID4g PiBjb2RlIGluIHRoaXMgc2VyaWVzLgo+ID4gPgo+ID4KPiA+IEJlY2F1c2UgKGZvciBhIFBWIGNh bGxlcikgbWFwcGluZyBhIHJlc291cmNlIGdpdmVzIHlvdSBiYWNrIG1mbnMgdGhhdAo+ID4gYXJl IGFzc2lnbmVkIHRvIHRoZSBjYWxsaW5nIGRvbWFpbiwgYW5kIHRoZSBtb3N0IGNvbnZlbmllbnQg d2F5IG9mCj4gPiB1c2luZyB0aGVtIGlzIHRvIHVzZSB0aGUgZXhpc3RpbmcgY29kZSB0aGF0IG5v cm1hbGx5IGRlYWxzIHdpdGggcHJpdgo+ID4gbWFwcGluZyBmcm9tIGEgZm9yZWlnbiBkb21haW4s IGJ1dCBqdXN0IGFsbG93IGl0IHRvIHVzZSBET01JRF9TRUxGLgo+ID4gVGhpcyBwYXRjaCBpcyBh bGwgdGhhdCdzIHJlcXVpcmVkIHRvIG1ha2UgdGhhdCB3b3JrLgo+ID4KPiAKPiBTbyB0aGUgdXNl IGNhc2UgaXMgYXMgZm9sbG93ZWQgZm9yIFBWIGd1ZXN0czoKPiAKPiAxLiBBIGd1ZXN0IGNhbGxz IGFjcXVpcmVfcmVzb3VyY2UgdG8gb2J0YWluIGEgbGlzdCBvZiBtZm5zCj4gMi4gVGhlIGd1ZXN0 IGNhbGxzIHRoZSBmb3JlaWduIG1hcCBBUEkgdG8gbWFwIHRob3NlIG1mbnMgaW50byBpdHMgb3du Cj4gICAgYWRkcmVzcyBzcGFjZSB2aWEgSFlQRVJWSVNPUl9tbXVfdXBkYXRlCj4gCj4gVGhlIG1m bnMgYmVsb25nIHRvIHRoZSBndWVzdCBpdHNlbGYuCj4gCj4gSW4gZ2V0X3BhZ2VfZnJvbV9sMWUs IGwxZSBjb250YWlucyBhIHZhbGlkIG1mbiwgcmVhbF9wZ19vd25lciBpcyB0aGUKPiByZWFsIG93 bmVyIG9mIHRoZSBwYWdlLCBwZ19vd25lciBpcyB0aGUgbm9taW5hbGx5IG93bmVyIG9mIHRoZSBw YWdlLgo+IFNob3VsZG4ndCB0aGV5IGJlIHRoZSBzYW1lIGRvbWFpbj8gSSdtIHN0aWxsIHF1aXRl IGJhZmZsZWQgaG93IHlvdQo+IG1hbmFnZSB0byBoaXQgdGhhdCBwbGFjZS4KClRoZSBpc3N1ZSBJ IGhpdCB3YXMgbDFlX293bmVyIGFuZCBwZ19vd25lciBiZWluZyBkb20wLCBidXQgcmVhbF9wZ19v d25lciB3YXMgdGhlIGd1ZXN0LiBPYnZpb3VzbHkgZG9tMCBoYXMgcHJpdmlsZWdlIHRvIG1hcCBh bnl0aGluZywgYnV0IGl0IHdhcyBiZWluZyBkZW5pZWQgYmVjYXVzZSBwZ19vd25lciA9PSBsMWVf b3duZXIuCgogIFBhdWwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0 cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=