From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Pau =?utf-8?B?TW9ubsOp?= Subject: Re: [PATCH v4 1/4] iommu: introduce dom0-iommu option Date: Thu, 9 Aug 2018 12:51:21 +0200 Message-ID: <20180809105121.uts2ur4m7xpdmucm@mac> References: <20180808100747.19464-1-roger.pau@citrix.com> <20180808100747.19464-2-roger.pau@citrix.com> <5B6ADDBF02000078001DC05E@prv1-mh.provo.novell.com> <20180808155011.ptyhehl42b6vs4sl@mac.bytemobile.com> <5B6BE6AB02000078001DC4BA@prv1-mh.provo.novell.com> <20180809100130.enks2lqojshvm4l6@mac> <5B6C179F02000078001DC78B@prv1-mh.provo.novell.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 1fniXS-0007j7-Pt for xen-devel@lists.xenproject.org; Thu, 09 Aug 2018 10:51:30 +0000 Content-Disposition: inline In-Reply-To: <5B6C179F02000078001DC78B@prv1-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jan Beulich Cc: Kevin Tian , Stefano Stabellini , Wei Liu , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Julien Grall , Suravee Suthikulpanit , xen-devel , Brian Woods List-Id: xen-devel@lists.xenproject.org T24gVGh1LCBBdWcgMDksIDIwMTggYXQgMDQ6Mjk6NTFBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4gPj4+IE9uIDA5LjA4LjE4IGF0IDEyOjAxLCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdy b3RlOgo+ID4gT24gVGh1LCBBdWcgMDksIDIwMTggYXQgMDE6MDA6NTlBTSAtMDYwMCwgSmFuIEJl dWxpY2ggd3JvdGU6Cj4gPj4gPj4+IE9uIDA4LjA4LjE4IGF0IDE3OjUwLCA8cm9nZXIucGF1QGNp dHJpeC5jb20+IHdyb3RlOgo+ID4+ID4gT24gV2VkLCBBdWcgMDgsIDIwMTggYXQgMDY6MTA6MzlB TSAtMDYwMCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4gPj4gPj4gPj4+IE9uIDA4LjA4LjE4IGF0IDEy OjA3LCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdyb3RlOgo+ID4+ID4+ID4gK05vdGUgdGhhdCBh bGwgdGhlIGFib3ZlIG9wdGlvbnMgYXJlIG11dHVhbGx5IGV4Y2x1c2l2ZS4gU3BlY2lmeWluZyBt b3JlIHRoYW4KPiA+PiA+PiA+ICtvbmUgb24gdGhlIGBkb20wLWlvbW11YCBjb21tYW5kIGxpbmUg d2lsbCByZXN1bHQgaW4gdW5kZWZpbmVkIGJlaGF2aW9yLgo+ID4+ID4+IAo+ID4+ID4+IElzbid0 IHRoaXMgbW9yZSBzdHJpY3QgdGhhbiBpdCBuZWVkcyB0byBiZT8gIm5vbmUiLCBhZmFpY3QsIGFs d2F5cyB0YWtlcwo+ID4+ID4+IHByZWNlZGVuY2UgaWYgZW5hYmxlZC4gV2hhdCBjb2xvciBhIGJp a2Ugc2hlZCBpcyBzaW1wbHkgZG9lc24ndCBtYXR0ZXIKPiA+PiA+PiB3aGVuIGl0IGRvZXNuJ3Qg ZXhpc3QuCj4gPj4gPiAKPiA+PiA+IFJpZ2h0LCB0aGF0J3MgZHVlIHRvIHRoZSBjdXJyZW50IGlt cGxlbWVudGF0aW9uIGFuZCB0aGUgd2F5IHRoaXMgaXMKPiA+PiA+IHN0b3JlZCwgYnV0IEkgZG9u J3QgdGhpbmsgd2Ugd2FudCB0byBzcGVsbCBvdXQgYW55IG9mIHRoaXMgaW4gb3JkZXIgdG8KPiA+ PiA+IG5vdCBnaXZlIGFueSBndWFyYW50ZWVzLiBGb3IgZXhhbXBsZToKPiA+PiA+IAo+ID4+ID4g ZG9tMC1pb21tdT1ub25lLHJlbGF4ZWQKPiA+PiA+IAo+ID4+ID4gU2hvdWxkbid0IGJlIHVzZWQs IGFsYmVpdCB3aXRoIHRoZSBjdXJyZW50IGltcGxlbWVudGF0aW9uIHJlbGF4ZWQgd2lsbAo+ID4+ ID4gYmUgYmFzaWNhbGx5IGlnbm9yZWQgSSBkb24ndCB0aGluayB3ZSB3YW50IHRvIHdyaXRlIHRo aXMgZG93bgo+ID4+ID4gYW55d2hlcmUgYmVjYXVzZSBwZW9wbGUgc2hvdWxkbid0IHJlbHkgb24g dGhpcyBiZWhhdmlvci4KPiA+PiAKPiA+PiBXZWxsLCB0aGVyZSdzIG9uZSB2ZXJ5IHBhcnRpY3Vs YXIgY2FzZSB0byBiZSBjb25zaWRlcmVkOiBJbiBhIG51bWJlcgo+ID4+IG9mIGVudmlyb25tZW50 cyB5b3UgY2FuIChlYXNpbHkpIGFwcGVuZCB0byB0aGUgY29tbWFuZCBsaW5lLCBidXQKPiA+PiB5 b3UgY2FuJ3QgKGVhc2lseSkgYWx0ZXIgd2hhdCBoYXMgYmVlbiBwdXQgdGhlcmUgZS5nLiBpbiBz b21lIGNvbmZpZwo+ID4+IGZpbGUuIElmIHRoZSBjb25maWcgZmlsZSBzYXlzICJkb20wLWlvbW11 PXJlbGF4ZWQiIGJ1dCBmb3IgdGhlIGN1cnJlbnQKPiA+PiBydW4geW91IHdhbnQgImRvbTAtaW9t bXU9bm9uZSIsIHdpdGggeW91ciByZXN0cmljdGlvbnMgeW91J2QgYmUKPiA+PiB1bmFibGUgdG8g KGxlZ2l0aW1hdGVseSkgZG8gc28uCj4gPj4gCj4gPj4gVGhlcmVmb3JlIEkgdGhpbmsgd2Ugc2hv dWxkIHRyeSB0byBhdm9pZCBzcGVsbGluZyBvdXQgdW5kZWZpbmVkCj4gPj4gYmVoYXZpb3IgZm9y IGNvbW1hbmQgbGluZSBvcHRpb24gY29tYmluYXRpb25zIHdoZXJldmVyIHdlIGNhbi4KPiA+IAo+ ID4gSSdtIGZpbmUgd2l0aCBqdXN0IGhhdmluZzoKPiA+IAo+ID4gIk5vdGUgdGhhdCBhbGwgdGhl IGFib3ZlIG9wdGlvbnMgYXJlIG11dHVhbGx5IGV4Y2x1c2l2ZS4iCj4gCj4gQnV0IHRoZXkgYXJl bid0Lgo+IAo+ID4gTm90ZSB0aGF0IHlvdXIgZXhhbXBsZSB3b24ndCB3b3JrIGFzIGV4cGVjdGVk IHRoZSBvdGhlciB3YXkgYXJvdW5kLCBpZgo+ID4geW91IGhhdmUgZG9tMC1pb21tdT1ub25lIGlu IHRoZSBjb25maWcgYW5kIHRyeSB0byBhcHBlbmQKPiA+IGRvbTAtaW9tbXU9cmVsYXhlZC4KPiAK PiBJbmRlZWQsIHdoaWNoIG1lYW5zIHRoZXJlIHdvdWxkIG5lZWQgdG8gYmUgYW4gb3Bwb3NpdGUg b2YKPiAibm9uZSIuIEknbSBoZXNpdGFudCB0byBzdWdnZXN0ICJuby1ub25lIi4gUGVyaGFwcyAi c3RyaWN0Igo+IGFuZCAicmVsYXhlZCIgY291bGQgYWxzbyBjbGVhciB0aGF0IG90aGVyIGZsYWc/ CgpTZWUgYmVsb3cuCgo+ID4+ID4+ID4gLS0tIGEveGVuL2FyY2gveDg2L3g4Nl82NC9tbS5jCj4g Pj4gPj4gPiArKysgYi94ZW4vYXJjaC94ODYveDg2XzY0L21tLmMKPiA+PiA+PiA+IEBAIC0xNDI2 LDcgKzE0MjYsOCBAQCBpbnQgbWVtb3J5X2FkZCh1bnNpZ25lZCBsb25nIHNwZm4sIHVuc2lnbmVk IGxvbmcgZXBmbiwgdW5zaWduZWQgaW50IHB4bSkKPiA+PiA+PiA+ICAgICAgaWYgKCByZXQgKQo+ ID4+ID4+ID4gICAgICAgICAgZ290byBkZXN0cm95X20ycDsKPiA+PiA+PiA+ICAKPiA+PiA+PiA+ IC0gICAgaWYgKCBpb21tdV9lbmFibGVkICYmICFpb21tdV9wYXNzdGhyb3VnaCAmJiAhbmVlZF9p b21tdShoYXJkd2FyZV9kb21haW4pICkKPiA+PiA+PiA+ICsgICAgaWYgKCBpb21tdV9lbmFibGVk ICYmICFpb21tdV9kb20wX3Bhc3N0aHJvdWdoICYmCj4gPj4gPj4gPiArICAgICAgICAgIW5lZWRf aW9tbXUoaGFyZHdhcmVfZG9tYWluKSApCj4gPj4gPj4gCj4gPj4gPj4gVGhpcyBtYWtlcyBhbHJl YWR5IGNsZWFyIHRoYXQgeW91IG5lZWQgdG8gYmV0dGVyIGRpc3Rpbmd1aXNoIERvbTAgYW5kCj4g Pj4gPj4gaHdkb20gaGVyZSwgYnV0IGl0J3Mgbm90IGltbWVkaWF0ZWx5IGNsZWFyIHRvIG1lIHdo aWNoIGRpcmVjdGlvbiB0aGUKPiA+PiA+PiBjaGFuZ2VzIHNob3VsZCBiZSBtYWRlOiBEbyB5b3Ug bWVhbiB0cnVseSBvbmx5IERvbTAgdGhyb3VnaG91dAo+ID4+ID4+IHRoaXMgcGF0Y2gsIG9yIGh3 ZG9tPyBXaGlsZSB0aGUgZG9jIGFuZCBjb21tYW5kIGxpbmUgb3B0aW9uIG5hbWUgY2FuCj4gPj4g Pj4gcGVyaGFwcyBsZWZ0IGFzIGlzLCBpbnRlcm5hbCB2YXJpYWJsZSBuYW1lcyBzaG91bGQgbm90 IHNheSBEb20wIHdoZW4KPiA+PiA+PiB0aGV5IGRvbid0IG1lYW4gRG9tMC4gT3RvaCBpZiB5b3Ug bWVhbiBvbmx5IERvbTAsIHRoZW4gdGhlIHVzZSBvZgo+ID4+ID4+IGhhcmR3YXJlX2RvbWFpbiBh Ym92ZSAoYW5kIGVsc2V3aGVyZSkgaXMgbm93IHdyb25nLgo+ID4+ID4gCj4gPj4gPiBIbSwgZXZl cnl0aGluZyBpcyBraW5kIG9mIG1peGVkIGhlcmUuIEV4aXN0aW5nIHZhcmlhYmxlcyBhbHJlYWR5 IHVzZQo+ID4+ID4gX2RvbTBfIChpb21tdV9kb20wX3N0cmljdCBmb3IgZXhhbXBsZSkuIEkgY2Fu IHJlbmFtZSB0aGVtIHRvCj4gPj4gPiBpb21tdV9od2RvbV8sIGJlY2F1c2UgQUZBSUNUIHRoaXMg YXBwbGllcyB0byB0aGUgaGFyZHdhcmUgZG9tYWluLgo+ID4+IAo+ID4+IFdlbGwsIGFzIHNhaWQg LSBJJ2QgbGlrZSB5b3UgdG8gZG8gc28gZm9yIG9uZXMgeW91IHJlbmFtZSBhbnl3YXkuCj4gPj4g SSdkIGFwcHJlY2lhdGUgKGJ1dCB3b24ndCBkZW1hbmQpIHlvdSB0byBhbHNvIGRvIHNvIGZvciBv dGhlcnMuCj4gPiAKPiA+IEluIGZhY3QgSSB0aGluayB0aGlzIHdvdWxkIGJlIGNsZWFyZXIgaWYg c29tZXRoaW5nIGxpa2U6Cj4gPiAKPiA+IGVudW0gewo+ID4gICAgIE5PTkUsCj4gPiAgICAgUkVM QVhFRCwKPiA+ICAgICBTVFJJQ1QsCj4gPiB9IGlvbW11X2h3ZG9tID0gUkVMQVhFRDsKPiA+IAo+ ID4gV2FzIHVzZWQgaW5zdGVhZCBvZiBpb21tdV9kb20wX3Bhc3N0aHJvdWdoIGFuZCBpb21tdV9k b20wX3N0cmljdC4KPiAKPiBGaW5lIHdpdGggbWUuCgpTd2l0Y2hpbmcgdG8gYSBzaW5nbGUgZW51 bSBhbHNvIG1lYW5zIHRoYXQgdGhlIGxhc3QgZG9tMC1pb21tdSA9IFsKbm9uZSB8IHN0cmljdCB8 IHJlbGF4ZWQgXSB3aWxsIGJlIHRoZSBvbmUgZW5mb3JjZWQsIHNvIEkgY291bGQga2VlcAp0aGVt IGFzLWlzLCBhbmQgYWRkOgoKIk5vdGUgdGhhdCBhbGwgdGhlIGFib3ZlIG9wdGlvbnMgYXJlIG11 dHVhbGx5IGV4Y2x1c2l2ZSBhbmQgdGhlIGxhc3QKb25lIGZvdW5kIG9uIHRoZSBjb21tYW5kIGxp bmUgd2lsbCBiZSB0aGUgb25lIHRvIHRha2UgZWZmZWN0LiIKClRoaXMgd2lsbCBhbHNvIGRlYWwg d2l0aCB5b3VyIHJlcXVlc3QgdG8gYmUgYWJsZSB0byBvdmVycmlkZSBwcmV2aW91cwpvcHRpb25z IG9uIHRoZSBjb21tYW5kIGxpbmUgd2hpbGUga2VlcGluZyB0aGUgb3B0aW9ucyBhcyB0aGV5IGFy ZS4KClRoYW5rcywgUm9nZXIuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9q ZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVu LWRldmVs