From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Zhang Subject: Re: Discussion about virtual iommu support for Xen guest Date: Fri, 27 May 2016 10:26:04 +0800 Message-ID: References: <5746B3FA.6020401@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5746B3FA.6020401@intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Lan Tianyu , jbeulich@suse.com, sstabellini@kernel.org, ian.jackson@eu.citrix.com, xen-devel@lists.xensource.com, kevin.tian@intel.com, "Dong, Eddie" , "Nakajima, Jun" , anthony.perard@citrix.com List-Id: xen-devel@lists.xenproject.org T24gMjAxNi81LzI2IDE2OjI5LCBMYW4gVGlhbnl1IHdyb3RlOgo+IEhpIEFsbDoKPiBXZSB0cnkg cHVzaGluZyB2aXJ0dWFsIGlvbW11IHN1cHBvcnQgZm9yIFhlbiBndWVzdCBhbmQgdGhlcmUgYXJl IHNvbWUKPiBmZWF0dXJlcyBibG9ja2VkIGJ5IGl0Lgo+Cj4gTW90aXZhdGlvbjoKPiAtLS0tLS0t LS0tLS0tLS0tLS0tLS0tLQo+IDEpIEFkZCBTVk0oU2hhcmVkIFZpcnR1YWwgTWVtb3J5KSBzdXBw b3J0IGZvciBYZW4gZ3Vlc3QKPiBUbyBzdXBwb3J0IGlHRlggcGFzcy10aHJvdWdoIGZvciBTVk0g ZW5hYmxlZCBkZXZpY2VzLCBpdCByZXF1aXJlcwo+IHZpcnR1YWwgaW9tbXUgc3VwcG9ydCB0byBl bXVsYXRlIHJlbGF0ZWQgcmVnaXN0ZXJzIGFuZCBpbnRlcmNlcHQvaGFuZGxlCj4gZ3Vlc3QgU1ZN IGNvbmZpZ3VyZSBpbiB0aGUgVk1NLgoKSUlSQywgU1ZNIG5lZWRzIHRoZSBuZXN0ZWQgSU9NTVUg c3VwcG9ydCBub3Qgb25seSB2aXJ0dWFsIGlvbW11LiBDb3JyZWN0IAptZSBpZiBpIGFtIHdyb25n LgoKPgo+IDIpIEluY3JlYXNlIG1heCB2Y3B1IHN1cHBvcnQgZm9yIG9uZSBWTS4KPgo+IFNvIGZh ciwgbWF4IHZjcHUgZm9yIFhlbiBodm0gZ3Vlc3QgaXMgMTI4LiBGb3IgSFBDKEhpZ2ggUGVyZm9y bWFuY2UKPiBDb21wdXRpbmcpIGNsb3VkIGNvbXB1dGluZywgaXQgcmVxdWlyZXMgbW9yZSB2Y3B1 cyBzdXBwb3J0IGluIGEgc2luZ2xlCj4gVk0uIFRoZSB1c2FnZSBtb2RlbCBpcyB0byBjcmVhdGUg anVzdCBvbmUgVk0gb24gYSBtYWNoaW5lIHdpdGggdGhlCj4gc2FtZSBudW1iZXIgdmNwdXMgYXMg bG9naWNhbCBjcHVzIG9uIHRoZSBob3N0IGFuZCBwaW4gdmNwdSBvbiBlYWNoCj4gbG9naWNhbCBj cHUgaW4gb3JkZXIgdG8gZ2V0IGdvb2QgY29tcHV0ZSBwZXJmb3JtYW5jZS4KPgo+IEludGVsIFhl b24gcGhpIEtOTChLbmlnaHRzIExhbmRpbmcpIGlzIGRlZGljYXRlZCB0byBIUEMgbWFya2V0IGFu ZAo+IHN1cHBvcnRzIDI4OCBsb2dpY2FsIGNwdXMuIFNvIHdlIGhvcGUgVk0gY2FuIHN1cHBvcnQg Mjg4IHZjcHUKPiB0byBtZWV0IEhQQyByZXF1aXJlbWVudC4KPgo+IEN1cnJlbnQgTGludXgga2Vy bmVsIHJlcXVpcmVzIElSKGludGVycnVwdCByZW1hcHBpbmcpIHdoZW4gTUFYIEFQSUMKPiBJRCBp cyA+IDI1NSBiZWNhdXNlIGludGVycnVwdCBvbmx5IGNhbiBiZSBkZWxpdmVyZWQgYW1vbmcgMH4y NTUgY3B1cwo+IHdpdGhvdXQgSVIuIElSIGluIFZNIHJlbGllcyBvbiB0aGUgdmlydHVhbCBpb21t dSBzdXBwb3J0Lgo+Cj4gS1ZNIFZpcnR1YWwgaW9tbXUgc3VwcG9ydCBzdGF0dXMKPiAtLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0KPiBDdXJyZW50LCBRZW11IGhhcyBhIGJhc2ljIHZpcnR1YWwgaW9t bXUgdG8gZG8gYWRkcmVzcyB0cmFuc2xhdGlvbiBmb3IKPiB2aXJ0dWFsIGRldmljZSBhbmQgaXQg b25seSB3b3JrcyBmb3IgdGhlIFEzNSBtYWNoaW5lIHR5cGUuIEtWTSByZXVzZXMgaXQKPiBhbmQg UmVkaGF0IGlzIGFkZGluZyBJUiB0byBzdXBwb3J0IG1vcmUgdGhhbiAyNTUgdmNwdXMuCj4KPiBI b3cgdG8gYWRkIHZpcnR1YWwgaW9tbXUgZm9yIFhlbj8KPiAtLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tCj4gRmlyc3QgaWRlYSBjYW1lIHRvIG15IG1pbmQgaXMgdG8gcmV1c2UgUWVtdSB2aXJ0dWFs IGlvbW11IGJ1dCBYZW4gZGlkbid0Cj4gc3VwcG9ydCBRMzUgc28gZmFyLiBFbmFibGluZyBRMzUg Zm9yIFhlbiBzZWVtcyBub3QgYSBzaG9ydCB0ZXJtIHRhc2suCj4gQW50aG9ueSBkaWQgc29tZSBy ZWxhdGVkIGpvYnMgYmVmb3JlLgo+Cj4gSSdkIGxpa2UgdG8gc2VlIHlvdXIgY29tbWVudHMgYWJv dXQgaG93IHRvIGltcGxlbWVudCB2aXJ0dWFsIGlvbW11IGZvciBYZW4uCj4KPiAxKSBSZXVzZSBR ZW11IHZpcnR1YWwgaW9tbXUgb3Igd3JpdGUgYSBzZXBhcmF0ZSBvbmUgZm9yIFhlbj8KPiAyKSBF bmFibGUgUTM1IGZvciBYZW4gdG8gcmV1c2UgUWVtdSB2aXJ0dWFsIGlvbW11Pwo+Cj4gWW91ciBj b21tZW50cyBhcmUgdmVyeSBhcHByZWNpYXRlZC4gVGhhbmtzIGEgbG90Lgo+CgoKLS0gCmJlc3Qg cmVnYXJkcwp5YW5nCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6 Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=