From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Tian, Kevin" Subject: Re: [PATCH for-4.10 v2] passthrough/vtd: Don't DMA to the stack in queue_invalidate_wait() Date: Mon, 23 Oct 2017 07:05:27 +0000 Message-ID: References: <1508412390-10279-1-git-send-email-andrew.cooper3@citrix.com> <1508430123-28384-1-git-send-email-andrew.cooper3@citrix.com> <59E9BDF7020000780018879F@prv-mh.provo.novell.com> <4e5a7d46-b6b6-7054-7e50-7238e08572f0@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <4e5a7d46-b6b6-7054-7e50-7238e08572f0@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" To: Andrew Cooper , Jan Beulich Cc: Julien Grall , Xen-devel List-Id: xen-devel@lists.xenproject.org PiBGcm9tOiBBbmRyZXcgQ29vcGVyIFttYWlsdG86YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbV0N Cj4gU2VudDogU2F0dXJkYXksIE9jdG9iZXIgMjEsIDIwMTcgMTo1NSBBTQ0KPiANCj4gT24gMjAv MTAvMTcgMDg6MTIsIEphbiBCZXVsaWNoIHdyb3RlOg0KPiA+Pj4+IE9uIDE5LjEwLjE3IGF0IDE4 OjIyLCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3JvdGU6DQo+ID4+IERNQS1pbmcgdG8g dGhlIHN0YWNrIGlzIGdlbmVyYWxseSBjb25zaWRlcmVkIGJhZCBwcmFjdGljZS4gIEluIHRoaXMg Y2FzZSwgaWYNCj4gYQ0KPiA+PiB0aW1lb3V0IG9jY3VycyBiZWNhdXNlIG9mIGEgc2x1Z2dpc2gg ZGV2aWNlIHdoaWNoIGlzIHByb2Nlc3NpbmcgdGhlDQo+IHJlcXVlc3QsDQo+ID4+IHRoZSBjb21w bGV0aW9uIG5vdGlmaWNhdGlvbiB3aWxsIGNvcnJ1cHQgdGhlIHN0YWNrIG9mIGEgc3Vic2VxdWVu dA0KPiBkZWVwZXIgY2FsbA0KPiA+PiB0cmVlLg0KPiA+Pg0KPiA+PiBQbGFjZSB0aGUgcG9sbF9z bG90IGluIGEgcGVyY3B1IGFyZWEgYW5kIERNQSB0byB0aGF0IGluc3RlYWQuDQo+ID4+DQo+ID4+ IFNpZ25lZC1vZmYtYnk6IEFuZHJldyBDb29wZXIgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+ DQo+ID4gUGxlYXNlIGNvdWxkIHlvdSBleHRlbmQgdGhlIGNvbW1pdCBtZXNzYWdlIHRvIHN0YXRl IHRoZSBpc3N1ZQ0KPiA+IHJlbWFpbmluZyB3aXRoIHVzaW5nIGEgc2luZ2xlIHBlci1DUFUgc2xv dD8gV2l0aCB0aGF0DQo+ID4gUmV2aWV3ZWQtYnk6IEphbiBCZXVsaWNoIDxqYmV1bGljaEBzdXNl LmNvbT4NCj4gDQo+IEhvdyBhYm91dCB0aGlzPw0KPiANCj4gTm90ZTogVGhpcyBjaGFuZ2UgZG9l cyBub3QgYWRkcmVzcyBvdGhlciBpc3N1ZXMgd2l0aCB0aGUgY3VycmVudA0KPiBpbXBsZW1lbnRh dGlvbiwgc3VjaCBhcyBvbmNlIGEgdGltZW91dCBoYXMgYmVlbiBzdWZmZXJlZCwgc3Vic2VxdWVu dA0KPiBjb21wbGV0aW9ucyBjYW4ndCBiZSBjb3JyZWxhdGVkIHdpdGggdGhlaXIgcmVxdWVzdHMu DQo+IA0KDQpDYW4geW91IGluY3JlYXNlIHRoZSBwb2xsIGRhdGEgKzEgZXZlcnkgdGltZSB3aGVu IGEgbmV3IHdhaXQNCmNvbWVzPw0KDQpUaGFua3MNCktldmluDQpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1k ZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK