From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Pau Monne Subject: Re: [PATCH v3.1 08/15] x86/vtd: fix mapping of RMRR regions Date: Fri, 4 Nov 2016 16:33:58 +0100 Message-ID: <20161104153358.mljzjiqans52he6e@mac> References: <1477731601-10926-1-git-send-email-roger.pau@citrix.com> <1477731601-10926-9-git-send-email-roger.pau@citrix.com> <581C600F020000780011C313@prv-mh.provo.novell.com> <20161104094510.23gluwhs22uvtei5@mac> <581C7262020000780011C3AB@prv-mh.provo.novell.com> <20161104122517.nwvyg4nbktpc55tv@mac> <581C92C5020000780011C466@prv-mh.provo.novell.com> <20161104130313.obi3xq7c5ii3kzmt@mac> <581C9828020000780011C4AA@prv-mh.provo.novell.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 1c2gc4-0007mI-TA for xen-devel@lists.xenproject.org; Fri, 04 Nov 2016 15:41:04 +0000 Content-Disposition: inline In-Reply-To: <581C9828020000780011C4AA@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: George Dunlap , Andrew Cooper , boris.ostrovsky@oracle.com, xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBOb3YgMDQsIDIwMTYgYXQgMDc6MTY6MDhBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4gPj4+IE9uIDA0LjExLjE2IGF0IDE0OjAzLCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdy b3RlOgo+ID4gT24gRnJpLCBOb3YgMDQsIDIwMTYgYXQgMDY6NTM6MDlBTSAtMDYwMCwgSmFuIEJl dWxpY2ggd3JvdGU6Cj4gPj4gPj4+IE9uIDA0LjExLjE2IGF0IDEzOjI1LCA8cm9nZXIucGF1QGNp dHJpeC5jb20+IHdyb3RlOgo+ID4+ID4gT24gRnJpLCBOb3YgMDQsIDIwMTYgYXQgMDQ6MzQ6NThB TSAtMDYwMCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4gPj4gPj4gPj4+IE9uIDA0LjExLjE2IGF0IDEw OjQ1LCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdyb3RlOgo+ID4+ID4+ID4gY2FzZSBwMm1faW52 YWxpZDoKPiA+PiA+PiA+IGNhc2UgcDJtX21taW9fZG06Cj4gPj4gPj4gPiAgICAgcmV0ID0gcDJt X3NldF9lbnRyeShwMm0sIGdmbiwgX21mbihnZm4pLCBQQUdFX09SREVSXzRLLAo+ID4+ID4+ID4g ICAgICAgICAgICAgICAgICAgICAgICAgcDJtX21taW9fZGlyZWN0LCBwMm1hKTsKPiA+PiA+PiA+ ICAgICBpZiAoIHJldCApCj4gPj4gPj4gPiAgICAgICAgIGJyZWFrOwo+ID4+ID4+ID4gICAgIGlm ICggIWlvbW11X3VzZV9oYXBfcHQoZCkgKQo+ID4+ID4+ID4gICAgICAgICByZXQgPSBpb21tdV9t YXBfcGFnZShkLCBnZm4sIGdmbiwgCj4gPiBJT01NVUZfcmVhZGFibGV8SU9NTVVGX3dyaXRhYmxl KTsKPiA+PiA+PiA+ICAgICBicmVhazsKPiA+PiA+PiA+IGNhc2UgcDJtX21taW9fZGlyZWN0Ogo+ ID4+ID4+ID4gICAgIGlmICggYSAhPSBwMm1hIHx8IGdmbiAhPSBtZm4gKQo+ID4+ID4+ID4gICAg IHsKPiA+PiA+PiA+ICAgICAgICAgcHJpbnRrKFhFTkxPR19HX1dBUk5JTkcKPiA+PiA+PiA+ICAg ICAgICAgICAgICAgICJDYW5ub3Qgc2V0dXAgaWRlbnRpdHkgbWFwIGQlZDolbHgsIGFscmVhZHkg bWFwcGVkIHdpdGggIgo+ID4+ID4+ID4gICAgICAgICAgICAgICAgImRpZmZlcmVudCBhY2Nlc3Mg dHlwZSBvciBtZm5cbiIsIGQtPmRvbWFpbl9pZCwgZ2ZuKTsKPiA+PiA+PiA+ICAgICAgICAgcmV0 ID0gKGZsYWcgJiBYRU5fRE9NQ1RMX0RFVl9SRE1fUkVMQVhFRCkgPyAwIDogLUVCVVNZOwo+ID4+ ID4+ID4gICAgICAgICBicmVhazsKPiA+PiA+PiA+ICAgICB9Cj4gPj4gPj4gPiAgICAgaWYgKCAh aW9tbXVfdXNlX2hhcF9wdChkKSApCj4gPj4gPj4gPiAgICAgICAgIHJldCA9IGlvbW11X21hcF9w YWdlKGQsIGdmbiwgZ2ZuLCAKPiA+IElPTU1VRl9yZWFkYWJsZXxJT01NVUZfd3JpdGFibGUpOwo+ ID4+ID4+IAo+ID4+ID4+IFdlbGwsIHNpbmNlIGFjY29yZGluZyB0byB3aGF0IEkndmUgc2FpZCBh Ym92ZSB0aGlzIGNvZGUgc2hvdWxkCj4gPj4gPj4gcmVhbGx5IG5vdCBiZSBoZXJlLCBJIHRoaW5r IHRoZSBjb2RlIHN0cnVjdHVyaW5nIHF1ZXN0aW9uIGlzIG1vb3QKPiA+PiA+PiBub3cuIFRoZSBj b25kaXRpb25hbCBjYWxsIHRvIGlvbW11X21hcF9wYWdlKCkgcmVhbGx5IGp1c3QgbmVlZHMKPiA+ PiA+PiBhZGRpbmcgYWxvbmdzaWRlIHRoZSBwMm1fc2V0X2VudHJ5KCkgY2FsbC4KPiA+PiA+IAo+ ID4+ID4gT0ssIHNvIGlmIHRoZSBnZm4gaXMgYWxyZWFkeSBtYXBwZWQgaW50byB0aGUgcDJtIHdl IGRvbid0IGNhcmUgd2hldGhlciBpdCAKPiA+PiA+IGhhcyBhIHZhbGlkIElPTU1VIG1hcHBpbmcg b3Igbm90Pwo+ID4+IAo+ID4+IFdlIGRvIGNhcmUsIGJ1dCBpdCBpcyB0aGUgcmVzcG9uc2liaWxp dHkgb2Ygd2hvZXZlciBlc3RhYmxpc2hlZCB0aGUKPiA+PiBmaXJzdCBtYXBwaW5nIHRvIG1ha2Ug c3VyZSBpdCdzIHByZXNlbnQgaW4gYm90aCBQMk0gYW5kIElPTU1VLgo+ID4+IElPVyBpZiB0aGUg R0ZOIGlzIGFscmVhZHkgbWFwcGVkLCB3ZSBzaG91bGQgYmUgYWJsZSB0byBpbXBseSB0aGF0Cj4g Pj4gaXQncyBtYXBwZWQgaW4gYm90aCBwbGFjZXMuCj4gPiAKPiA+IEJ1dCBob3cgaXMgdGhlIGZp cnN0IGNhbGxlciB0aGF0IGVzdGFibGlzaGVkIHRoZSBtYXBwaW5nIHN1cHBvc2VkIHRvIGtub3cg aWYgCj4gPiBpdCBuZWVkcyBhbiBJT01NVSBlbnRyeSBvciBub3Q/IChwMm1fbW1pb19kaXJlY3Qg dHlwZXMgZG9uJ3QgZ2V0IGFuIElPTU1VIAo+ID4gbWFwcGluZyBhdCBhbGwpCj4gCj4gQW5kIGl0 J3MgdGhhdCBmYWN0IHN0YXRlZCBpbiBwYXJlbnRoZXNlcyB3aGljaCBJJ2QgbGlrZSB0byBxdWVz dGlvbi4KPiBJIGRvbid0IHNlZSB3aGF0J3Mgd3Jvbmcgd2l0aCBlLmcuIERNQWluZyByaWdodCBp bnRvIC8gb3V0IG9mIGEKPiB2aWRlbyBmcmFtZSBidWZmZXIuCgpSaWdodCwgc28gd2hhdCBhYm91 dCB0aGUgZm9sbG93aW5nIHBhdGNoLiBJdCB3b3VsZCBmaXggbXkgaXNzdWVzLCBhbmQgYWxzbyAK cmVtb3ZlIHRoZSBQVkggaGFjayBpbiBzZXRfaWRlbnRpdHlfcDJtX2VudHJ5OgoKLS0tCng4Ni9p b21tdTogYWRkIElPTU1VIGVudHJpZXMgZm9yIHAybV9tbWlvX2RpcmVjdCBwYWdlcwoKVGhlcmUn cyBub3RoaW5nIHdyb25nIHdpdGggYWxsb3dpbmcgdGhlIGRvbWFpbiB0byBwZXJmb3JtIERNQSB0 cmFuc2ZlcnMgdG8gCk1NSU8gYXJlYXMgdGhhdCBpdCBhbHJlYWR5IGNhbiBhY2Nlc3MgZnJvbSB0 aGUgQ1BVLCBhbmQgdGhpcyBhbGxvd3MgdXMgdG8gCnJlbW92ZSB0aGUgaGFjayBpbiBzZXRfaWRl bnRpdHlfcDJtX2VudHJ5IGZvciBQVkggRG9tMC4KClNpZ25lZC1vZmYtYnk6IFJvZ2VyIFBhdSBN b25uw6kgPHJvZ2VyLnBhdUBjaXRyaXguY29tPgotLS0KIHhlbi9hcmNoL3g4Ni9tbS9wMm0uYyAg ICAgfCAgICA5IC0tLS0tLS0tLQogeGVuL2luY2x1ZGUvYXNtLXg4Ni9wMm0uaCB8ICAgIDEgKwog MiBmaWxlcyBjaGFuZ2VkLCAxIGluc2VydGlvbigrKSwgOSBkZWxldGlvbnMoLSkKCmRpZmYgLS1n aXQgYS94ZW4vYXJjaC94ODYvbW0vcDJtLmMgYi94ZW4vYXJjaC94ODYvbW0vcDJtLmMKaW5kZXgg NmE0NTE4NS4uN2UzM2FiNiAxMDA2NDQKLS0tIGEveGVuL2FyY2gveDg2L21tL3AybS5jCisrKyBi L3hlbi9hcmNoL3g4Ni9tbS9wMm0uYwpAQCAtMTA1MywxNiArMTA1Myw3IEBAIGludCBzZXRfaWRl bnRpdHlfcDJtX2VudHJ5KHN0cnVjdCBkb21haW4gKmQsIHVuc2lnbmVkIGxvbmcgZ2ZuLAogICAg ICAgICByZXQgPSBwMm1fc2V0X2VudHJ5KHAybSwgZ2ZuLCBfbWZuKGdmbiksIFBBR0VfT1JERVJf NEssCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgcDJtX21taW9fZGlyZWN0LCBwMm1hKTsK ICAgICBlbHNlIGlmICggbWZuX3gobWZuKSA9PSBnZm4gJiYgcDJtdCA9PSBwMm1fbW1pb19kaXJl Y3QgJiYgYSA9PSBwMm1hICkKLSAgICB7CiAgICAgICAgIHJldCA9IDA7Ci0gICAgICAgIC8qCi0g ICAgICAgICAqIFBWSCBmaXhtZTogZHVyaW5nIERvbTAgUFZIIGNvbnN0cnVjdGlvbiwgcDJtIGVu dHJpZXMgYXJlIGJlaW5nIHNldAotICAgICAgICAgKiBidXQgaW9tZW0gcmVnaW9ucyBhcmUgbm90 IG1hcHBlZCB3aXRoIElPTU1VLiBUaGlzIG1ha2VzIHN1cmUgdGhhdAotICAgICAgICAgKiBSTVJS cyBhcmUgY29ycmVjdGx5IG1hcHBlZCB3aXRoIElPTU1VLgotICAgICAgICAgKi8KLSAgICAgICAg aWYgKCBpc19oYXJkd2FyZV9kb21haW4oZCkgJiYgIWlvbW11X3VzZV9oYXBfcHQoZCkgKQotICAg ICAgICAgICAgcmV0ID0gaW9tbXVfbWFwX3BhZ2UoZCwgZ2ZuLCBnZm4sIElPTU1VRl9yZWFkYWJs ZXxJT01NVUZfd3JpdGFibGUpOwotICAgIH0KICAgICBlbHNlCiAgICAgewogICAgICAgICBpZiAo IGZsYWcgJiBYRU5fRE9NQ1RMX0RFVl9SRE1fUkVMQVhFRCApCmRpZmYgLS1naXQgYS94ZW4vaW5j bHVkZS9hc20teDg2L3AybS5oIGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9wMm0uaAppbmRleCA3MDM1 ODYwLi5iNTYyZGEzIDEwMDY0NAotLS0gYS94ZW4vaW5jbHVkZS9hc20teDg2L3AybS5oCisrKyBi L3hlbi9pbmNsdWRlL2FzbS14ODYvcDJtLmgKQEAgLTgzNCw2ICs4MzQsNyBAQCBzdGF0aWMgaW5s aW5lIHVuc2lnbmVkIGludCAKcDJtX2dldF9pb21tdV9mbGFncyhwMm1fdHlwZV90IHAybXQpCiAg ICAgY2FzZSBwMm1fZ3JhbnRfbWFwX3J3OgogICAgIGNhc2UgcDJtX3JhbV9sb2dkaXJ0eToKICAg ICBjYXNlIHAybV9tYXBfZm9yZWlnbjoKKyAgICBjYXNlIHAybV9tbWlvX2RpcmVjdDoKICAgICAg ICAgZmxhZ3MgPSAgSU9NTVVGX3JlYWRhYmxlIHwgSU9NTVVGX3dyaXRhYmxlOwogICAgICAgICBi cmVhazsKICAgICBjYXNlIHAybV9yYW1fcm86CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlz dHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==