From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 2/2] x86/hvm/ioreq: allow ioreq servers to use HVM_PARAM_[BUF]IOREQ_PFN Date: Mon, 08 Oct 2018 07:29:12 -0600 Message-ID: <5BBB5BA802000078001EF995@prv1-mh.provo.novell.com> References: <20181005134334.2645-1-paul.durrant@citrix.com> <20181005134334.2645-3-paul.durrant@citrix.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 4.89) (envelope-from ) id 1g9Vb4-0003j2-AE for xen-devel@lists.xenproject.org; Mon, 08 Oct 2018 13:29:18 +0000 In-Reply-To: <20181005134334.2645-3-paul.durrant@citrix.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Paul Durrant Cc: Andrew Cooper , Wei Liu , xen-devel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDA1LjEwLjE4IGF0IDE1OjQzLCA8cGF1bC5kdXJyYW50QGNpdHJpeC5jb20+IHdyb3Rl Ogo+IFNpbmNlIGNvbW1pdCAyYzI1N2JkNiAieDg2L2h2bTogcmVtb3ZlIGRlZmF1bHQgaW9yZXEg c2VydmVyIChhZ2FpbikiIHRoZQo+IEdGTnMgYWxsb2NhdGVkIGJ5IHRoZSB0b29sc3RhY2sgYW5k IHNldCBpbiBIVk1fUEFSQU1fSU9SRVFfUEZOIGFuZAo+IEhWTV9QQVJBTV9CVUZJT1JFUV9QRk4g aGF2ZSBiZWVuIHVudXNlZC4gVGhpcyBwYXRjaCBhbGxvd3MgdGhlbSB0byBiZSB1c2VkCj4gYnkg KG5vbi1kZWZhdWx0KSBpb3JlcSBzZXJ2ZXJzLgo+IAo+IE5PVEU6IFRoaXMgZml4ZXMgYSBjb21w YXRpYmlsaXR5IGlzc3VlLiBBIGd1ZXN0IGNyZWF0ZWQgb24gYSB2ZXJzaW9uIG9mCj4gICAgICAg WGVuIHRoYXQgcHJlLWRhdGVzIHRoZSBpbml0aWFsIGlvcmVxIHNlcnZlciBpbXBsZW1lbnRhdGlv biBhbmQgdGhlbgo+ICAgICAgIG1pZ3JhdGVkIGluIHdpbGwgY3VycmVudGx5IGZhaWwgdG8gcmVz dW1lIGJlY2F1c2UgaXRzIG1pZ3JhdGlvbgo+ICAgICAgIHN0cmVhbSB3aWxsIGxhY2sgdmFsdWVz IGZvciBIVk1fUEFSQU1fSU9SRVFfU0VSVkVSX1BGTiBhbmQKPiAgICAgICBIVk1fUEFSQU1fTlJf SU9SRVFfU0VSVkVSX1BBR0VTICp1bmxlc3MqIHRoZSBzeXN0ZW0gaGFzIGFuCj4gICAgICAgZW11 bGF0b3IgZG9tYWluIHRoYXQgdXNlcyBkaXJlY3QgcmVzb3VyY2UgbWFwcGluZyAod2hpY2ggZGVw ZW5kcwo+ICAgICAgIG9uIHRoZSB2ZXJzaW9uIG9mIHByaXZjbWQgaXQgaGFwcGVucyB0byBoYXZl KSBpbiB3aGljaCBjYXNlIGl0Cj4gICAgICAgd2lsbCBub3QgcmVxdWlyZSB1c2Ugb2YgR0ZOcyBm b3IgdGhlIGlvcmVxIHNlcnZlciBzaGFyZWQKPiAgICAgICBwYWdlcy4KCk1lYW5pbmcgdGhpcyB3 YW50cyB0byBiZSBiYWNrcG9ydGVkIHRpbGwgd2hlcmU/Cgo+IEEgc2ltaWxhciBjb21wYXRpYmls aXR5IGlzc3VlIHdpdGggbWlncmF0ZWQtaW4gVk1zIGV4aXN0cyB3aXRoIFhlbiA0LjExCj4gYmVj YXVzZSB0aGUgdXBzdHJlYW0gUUVNVSBmYWxsLWJhY2sgdG8gdXNlIGxlZ2FjeSBpb3JlcSBzZXJ2 ZXIgd2FzIGJyb2tlbgo+IHdoZW4gZGlyZWN0IHJlc291cmNlIG1hcHBpbmcgd2FzIGludHJvZHVj ZWQuCj4gVGhpcyBpcyBiZWNhdXNlLCBwcmlvciB0byB0aGUgcmVzb3VyY2UgbWFwcGluZyBwYXRj aGVzLCBpdCB3YXMgdGhlIGNyZWF0aW9uCj4gb2YgdGhlIG5vbi1kZWZhdWx0IGlvcmVxIHNlcnZl ciB0aGF0IGZhaWxlZCBpZiBHRk5zIHdlcmUgbm90IGF2YWlsYWJsZQo+IHdoZXJlYXMsIGFzIG9m IDQuMTEsIGl0IGlzIHJldHJpZXZhbCBvZiB0aGUgaW5mbyB0aGF0IGZhaWxzIHdoaWNoIGRvZXMg bm90Cj4gdHJpZ2dlciB0aGUgZmFsbC1iYWNrLgoKQXJlIHlvdSB3b3JraW5nIG9uIGEgZml4IG9y IHdvcmthcm91bmQgZm9yIHRoaXMsIHRvbywgdGhlbj8KCj4gLS0tIGEveGVuL2FyY2gveDg2L2h2 bS9pb3JlcS5jCj4gKysrIGIveGVuL2FyY2gveDg2L2h2bS9pb3JlcS5jCj4gQEAgLTIzNyw2ICsy MzcsMjYgQEAgYm9vbCBoYW5kbGVfaHZtX2lvX2NvbXBsZXRpb24oc3RydWN0IHZjcHUgKnYpCj4g ICAgICByZXR1cm4gdHJ1ZTsKPiAgfQo+ICAKPiArc3RhdGljIGdmbl90IGh2bV9hbGxvY19sZWdh Y3lfaW9yZXFfZ2ZuKHN0cnVjdCBodm1faW9yZXFfc2VydmVyICpzKQo+ICt7Cj4gKyAgICBzdHJ1 Y3QgZG9tYWluICpkID0gcy0+dGFyZ2V0Owo+ICsgICAgdW5zaWduZWQgaW50IGk7Cj4gKwo+ICsg ICAgQlVJTERfQlVHX09OKEhWTV9QQVJBTV9JT1JFUV9QRk4gPgo+ICsgICAgICAgICAgICAgICAg IHNpemVvZihkLT5hcmNoLmh2bS5pb3JlcV9nZm4ubGVnYWN5X21hc2spICogOCk7Cj4gKyAgICBC VUlMRF9CVUdfT04oSFZNX1BBUkFNX0JVRklPUkVRX1BGTiA+Cj4gKyAgICAgICAgICAgICAgICAg c2l6ZW9mKGQtPmFyY2guaHZtLmlvcmVxX2dmbi5sZWdhY3lfbWFzaykgKiA4KTsKPiArICAgIEJV SUxEX0JVR19PTihIVk1fUEFSQU1fQlVGSU9SRVFfUEZOICE9IEhWTV9QQVJBTV9JT1JFUV9QRk4g KyAxKTsKPiArCj4gKyAgICBmb3IgKCBpID0gSFZNX1BBUkFNX0lPUkVRX1BGTjsgaSA8PSBIVk1f UEFSQU1fQlVGSU9SRVFfUEZOOyBpKysgKQo+ICsgICAgewo+ICsgICAgICAgIGlmICggIXRlc3Rf YW5kX3NldF9iaXQoaSwgJmQtPmFyY2guaHZtLmlvcmVxX2dmbi5sZWdhY3lfbWFzaykgKQo+ICsg ICAgICAgICAgICByZXR1cm4gX2dmbihkLT5hcmNoLmh2bS5wYXJhbXNbaV0pOwoKQXJlbid0IHlv dSByaXNraW5nIHRvIHVzZSBHRk4gMCBoZXJlLCBpZiB0aGUgcGFyYW0gd2FzIG5ldmVyIHNldD8K U2luY2UgaW4gdGhlb3J5IEdGTiAwIGNvdWxkIGJlIHZhbGlkIGhlcmUsIHBlcmhhcHMgd2hldGhl ciB0aGVzZQpNRk5zIG1heSBiZSB1c2VkIHNob3VsZCBiZSB0cmFja2VkIGJ5IHN0YXJ0aW5nIG91 dCBsZWdhY3lfbWFzawpzdWNoIHRoYXQgYWxsb2NhdGlvbnMgYXJlIGltcG9zc2libGUsIHdoaWxl IHRoZSBzZXR0aW5nIG9mIHRoZQpwYXJhbXMgd291bGQgdGhlbiBtYWtlIHRoZSBzbG90cyBhdmFp bGFibGUgZm9yIGFsbG9jYXRpbmcgZnJvbT8KCkphbgoKCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZl bEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxt YW4vbGlzdGluZm8veGVuLWRldmVs