From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: Domctl and physdevop for passthrough (Was: Re: Stabilising some tools only HVMOPs?) Date: Mon, 29 Feb 2016 12:23:09 +0000 Message-ID: <20160229122309.GG17111@citrix.com> References: <20160217172808.GB3723@citrix.com> <20160219160539.GV3723@citrix.com> <56CAFEE302000078000D4A74@prv-mh.provo.novell.com> <20160223143130.GE3723@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1aaMr3-0003Wd-Uk for xen-devel@lists.xenproject.org; Mon, 29 Feb 2016 12:23:14 +0000 Content-Disposition: inline In-Reply-To: <20160223143130.GE3723@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Wei Liu , Ian Campbell , Stefano Stabellini , Andrew Cooper , Ian Jackson , PaulDurrant , Anthony PERARD , Xen-devel List-Id: xen-devel@lists.xenproject.org T24gVHVlLCBGZWIgMjMsIDIwMTYgYXQgMDI6MzE6MzBQTSArMDAwMCwgV2VpIExpdSB3cm90ZToK PiBPbiBNb24sIEZlYiAyMiwgMjAxNiBhdCAwNDoyODoxOUFNIC0wNzAwLCBKYW4gQmV1bGljaCB3 cm90ZToKPiA+ID4+PiBPbiAxOS4wMi4xNiBhdCAxNzowNSwgPHdlaS5saXUyQGNpdHJpeC5jb20+ IHdyb3RlOgo+ID4gPiBPbiBXZWQsIEZlYiAxNywgMjAxNiBhdCAwNToyODowOFBNICswMDAwLCBX ZWkgTGl1IHdyb3RlOgo+ID4gPj4gSGkgYWxsCj4gPiA+PiAKPiA+ID4+IFRvb2xzIHBlb3BsZSBh cmUgaW4gdGhlIHByb2Nlc3Mgb2Ygc3BsaXR0aW5nIGxpYnhlbmN0cmwgaW50byBhIHNldCBvZgo+ ID4gPj4gc3RhYmxlIGxpYnJhcmllcy4gT25lIG9mIHRoZSBwcm9wb3NlZCBsaWJyYXJpZXMgaXMg bGlieGVuZGV2aWNlbW9kZWwKPiA+ID4+IHdoaWNoIGhhcyBhIGNvbGxlY3Rpb24gb2YgQVBJcyB0 aGF0IGNhbiBiZSB1c2VkIGJ5IGRldmljZSBtb2RlbC4KPiA+ID4+IAo+ID4gPj4gQ3VycmVudGx5 IHdlIHVzZSBRRU1VIGFzIHJlZmVyZW5jZSB0byBleHRyYWN0IHN5bWJvbHMgYW5kIGdvIHRocm91 Z2gKPiA+ID4+IHRoZW0gb25lIGJ5IG9uZS4gQWxvbmcgdGhlIHdheSB3ZSBkaXNjb3ZlciBRRU1V IGlzIHVzaW5nIHNvbWUgdG9vbHMKPiA+ID4+IG9ubHkgSFZNT1BzLgo+ID4gPj4gCj4gPiA+PiBU aGUgbGlzdCBvZiB0b29scyBvbmx5IEhWTU9QcyB1c2VkIGJ5IFFFTVUgYXJlOgo+ID4gPj4gCj4g PiA+PiAgICNkZWZpbmUgSFZNT1BfdHJhY2tfZGlydHlfdnJhbSAgICA2Cj4gPiA+PiAgICNkZWZp bmUgSFZNT1BfbW9kaWZpZWRfbWVtb3J5ICAgIDcKPiA+ID4+ICAgI2RlZmluZSBIVk1PUF9zZXRf bWVtX3R5cGUgICAgOAo+ID4gPj4gICAjZGVmaW5lIEhWTU9QX2luamVjdF9tc2kgICAgICAgICAx Ngo+ID4gPj4gICAjZGVmaW5lIEhWTU9QX2NyZWF0ZV9pb3JlcV9zZXJ2ZXIgMTcKPiA+ID4+ICAg I2RlZmluZSBIVk1PUF9nZXRfaW9yZXFfc2VydmVyX2luZm8gMTgKPiA+ID4+ICAgI2RlZmluZSBI Vk1PUF9tYXBfaW9fcmFuZ2VfdG9faW9yZXFfc2VydmVyIDE5Cj4gPiA+PiAgICNkZWZpbmUgSFZN T1BfdW5tYXBfaW9fcmFuZ2VfZnJvbV9pb3JlcV9zZXJ2ZXIgMjAKPiA+ID4+ICAgI2RlZmluZSBI Vk1PUF9kZXN0cm95X2lvcmVxX3NlcnZlciAyMQo+ID4gPj4gICAjZGVmaW5lIEhWTU9QX3NldF9p b3JlcV9zZXJ2ZXJfc3RhdGUgMjIKPiA+ID4+IAo+ID4gPiAKPiA+ID4gSW4gdGhlIHByb2Nlc3Mg b2YgcGxvdWdoaW5nIHRocm91Z2ggUUVNVSBzeW1ib2xzLCB0aGVyZSBhcmUgc29tZSBkb21jdGxz Cj4gPiA+IGFuZCBwaHlzZGV2b3BzIHVzZWQgdG8gZG8gIHBhc3N0aHJvdWdoLiBUbyBtYWtlIHBh c3N0aHJvdWdoIEFQSXMgaW4KPiA+ID4gbGlieGVuZGV2aWNlbW9kZWwgd2UgbmVlZCB0byBzdGFi aWxpc2UgdGhlbSBhcyB3ZWxsLiBDYW4gSSB1c2UgdGhlIHNhbWUKPiA+ID4gdHJpY2sgX19YRU5f VE9PTFNfU1RBQkxFX18gaGVyZT8gSWYgbm90LCB3aGF0IHdvdWxkIGJlIHRoZSBwcmVmZXJyZWQg d2F5Cj4gPiA+IG9mIGRvaW5nIHRoaXM/Cj4gPiA+IAo+ID4gPiBQQVNTVEhSVQo+ID4gPiBgeGNf ZG9tYWluX2JpbmRfcHRfcGNpX2lycWAgICAgIGBYRU5fRE9NQ1RMX2JpbmRfcHRfaXJxYCAgICAK PiA+ID4gYHhjX2RvbWFpbl9pb3BvcnRfbWFwcGluZ2AgICAgICBgWEVOX0RPTUNUTF9pb3BvcnRf bWFwcGluZ2AgCj4gPiA+IGB4Y19kb21haW5fbWVtb3J5X21hcHBpbmdgICAgICAgYFhFTl9ET01D VExfbWVtb3J5X21hcHBpbmdgIAo+ID4gPiBgeGNfZG9tYWluX3VuYmluZF9tc2lfaXJxYCAgICAg IGBYRU5fRE9NQ1RMX3VuYmluZF9wdF9pcnFgICAKPiA+ID4gYHhjX2RvbWFpbl91bmJpbmRfcHRf aXJxYCAgICAgICBgWEVOX0RPTUNUTF91bmJpbmRfcHRfaXJxYCAgCj4gPiA+IGB4Y19kb21haW5f dXBkYXRlX21zaV9pcnFgICAgICAgYFhFTl9ET01DVExfYmluZF9wdF9pcnFgICAgIAo+ID4gPiBg eGNfcGh5c2Rldl9tYXBfcGlycWAgICAgICAgICAgIGBQSFlTREVWT1BfbWFwX3BpcnFgICAgICAg ICAKPiA+ID4gYHhjX3BoeXNkZXZfbWFwX3BpcnFfbXNpYCAgICAgICBgUEhZU0RFVk9QX21hcF9w aXJxYCAgICAgICAgCj4gPiA+IGB4Y19waHlzZGV2X3VubWFwX3BpcnFgICAgICAgICAgYFBIWVNE RVZPUF91bm1hcF9waXJxYCAgICAgIAo+ID4gCj4gPiBNZWNoYW5pY2FsbHkgSSB3b3VsZCBzYXkg eWVzLCBidXQgYW55dGhpbmcgaGVyZSB3aGljaCBpcyBhbHNvIG9uCj4gPiB0aGUgWFNBLTc3IHdh aXZlciBsaXN0IHdvdWxkIGZpcnN0IG5lZWQgcmVtb3ZpbmcgdGhlcmUgKHdpdGgKPiA+IHByb3Bl ciBhdWRpdGluZyBhbmQsIGlmIG5lY2Vzc2FyeSwgZml4aW5nKS4KPiA+IAo+IAo+IEkgYWRtaXQg SSBmYWlsZWQgdG8gcGFyc2UgeHNtLWZsYXNrLnR4dCBhbmQgWFNBLTc3IGFuZCBpdHMgaW1wbGlj YXRpb24sCj4gc28gbGV0J3MgdGFrZSBhIGNvbmNyZXRlIGV4YW1wbGUgaW5zdGVhZC4KPiAKPiBT YXksIG5vdyBJIG5lZWQgdG8gc3RhYmlsaXNlIFhFTl9ET01DVExfcGluX21lbV9jYWNoZWF0dHIs IHdoaWNoIGlzIG9uCgpUaGUgY29udmVyc2F0aW9uIHRodXMgZmFyIGhhcyBpbmRpY2F0ZWQgc3Rh YmlsaXNpbmcgdGhpcyBwYXJ0aWN1bGFyCmh5cGVyY2FsbCBpcyBubyBnby4KClRoZSBoaWdoZXIg b3JkZXIgZ29hbCBpcyBhY3R1YWxseSBwaW5uaW5nIHRoZSBtZW1vcnkgY2FjaGUgYXR0cmlidXRl IGZvcgp2aWRlbyByYW0uIEkgd2FzIHRoaW5raW5nIHRvIGhhdmUgYSBzZXQgb2YgZGVkaWNhdGVk IGh5cGVyY2FsbHMgZm9yCnZpZGVvIHJhbS4KCkJ1dCB0aGVuIG15IHJlYWRpbmcgb2YgWFNBLTE1 NCBzdWdnZXN0cyB0aGF0IG5vIHVudHJ1c3RlZCBlbnRpdHkgc2hvdWxkCmJlIGFsbG93ZWQgdG8g YWx0ZXIgdGhlIGNhY2hpbmcgYXR0cmlidXRlLCBzbyBhIHNldCBvZiByZXN0cmljdGVkCmh5cGVy Y2FsbHMgbWlnaHQgbm90IGJlIGZlYXNpYmxlIGVpdGhlci4gSSB3b3VsZCBsaWtlIHRvIGtub3cg aWYgbXkKcmVhZGluZyBpcyBjb3JyZWN0LgoKV2VpLgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA bGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK