From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Labriola Subject: Re: Upstream Dom0 DRM problems regarding swiotlb Date: Fri, 15 Feb 2019 11:07:22 -0500 Message-ID: References: <5C64413C0200007800216656@prv1-mh.provo.novell.com> <20190213165657.GD22883@char.us.oracle.com> <20190213191602.GC16558@char.us.oracle.com> <54ddc7c8-8ba3-bcd2-081e-af2a0ddc4c76@citrix.com> <8f05efab-4107-02ea-4bab-4759ac23d680@citrix.com> <20190214175705.GA21892@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Juergen Gross Cc: Konrad Rzeszutek Wilk , Andrew Cooper , xen-devel@lists.xen.org, Christoph Hellwig , Paul Durrant , Jan Beulich List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBGZWIgMTUsIDIwMTkgYXQgMTI6NTcgQU0gSnVlcmdlbiBHcm9zcyA8amdyb3NzQHN1 c2UuY29tPiB3cm90ZToKPgo+IE9uIDE0LzAyLzIwMTkgMTg6NTcsIENocmlzdG9waCBIZWxsd2ln IHdyb3RlOgo+ID4gT24gVGh1LCBGZWIgMTQsIDIwMTkgYXQgMDc6MDM6MzhBTSArMDEwMCwgSnVl cmdlbiBHcm9zcyB3cm90ZToKPiA+Pj4gVGhlIHRoaW5nIHdoaWNoIGlzIGRpZmZlcmVudCBiZXR3 ZWVuIFhlbiBQViBndWVzdHMgYW5kIG1vc3Qgb3RoZXJzIChhbGwKPiA+Pj4gb3RoZXJzKD8pLCBu b3cgdGhhdCBMZ3Vlc3QgYW5kIFVNTCBoYXZlIGJlZW4gZHJvcHBlZCkgaXMgdGhhdCB3aGF0IExp bnV4Cj4gPj4+IHRoaW5rcyBvZiBhcyBQRk4gJE4gaXNuJ3QgbmVjZXNzYXJpbHkgYWRqYWNlbnQg dG8gUEZOICROKzEgaW4gc3lzdGVtCj4gPj4+IHBoeXNpY2FsIGFkZHJlc3Mgc3BhY2UuCj4gPj4+ Cj4gPj4+IFRoZXJlZm9yZSwgY29kZSB3aGljaCBoYXMgYSBidWZmZXIgc3Bhbm5pbmcgYSBwYWdl IGJvdW5kYXJ5IGNhbid0IGp1c3QKPiA+Pj4gY29udmVydCBhIHBvaW50ZXIgdG8gdGhlIGJ1ZmZl ciBpbnRvIGEgcGh5c2ljYWwgYWRkcmVzcywgYW5kIGhhbmQgdGhhdAo+ID4+PiBhZGRyZXNzIHRv IGEgZGV2aWNlLiAgWW91IGdlbmVyYWxseSBlbmQgdXAgd2l0aCBlaXRoZXIgbWVtb3J5IGNvcnJ1 cHRpb24KPiA+Pj4gKERNQSBoaXR0aW5nIHRoZSB3cm9uZyBwYWdlIGFsbG9jYXRlZCB0byB0aGUg Z3Vlc3QpLCBvciBhbiBJT01NVSBmYXVsdAo+ID4+PiAoRE1BIGhpdHRpbmcgYSBwYWdlcyB3aGlj aCBpc24ndCBhbGxvY2F0ZWQgdG8gdGhlIGd1ZXN0KS4KPiA+Cj4gPiBUaGUgTGludXggRE1BIEFQ SSBhbGxvd3MgZm9yIGRtYV9tYXBfcGFnZSAvIGRtYV9tYXBfc2luZ2xlIGNhbGxzIHRvCj4gPiBz cGF3biA0ayBib3VuZGFyaWVzLiAgSWYgWGVuIGRvZXNuJ3Qgc3VwcG9ydCB0aGF0IGl0IHdpbGwg aGF2ZSB0byBib3VuY2UKPiA+IGJ1ZmZlciBmb3IgdGhhdCBjYXNlIChhbmQgZ2V0IGhvcnJpYmxl IHBlcmZvcm1hbmNlKS4KPiA+Cj4gPiBCdXQgdGhlIGxhdHRlciB0ZXh0IHNlZW1zIHRvIGFncmVl IHdpdGggdGhhdC4gIFNvIHdoYXQgaXMgdGhlIGFjdHVhbAo+ID4gcHJvYmxlbSB0aGF0IHN0YXJ0 ZWQgdGhpcyBkaXNjdXNzaW9uPwo+ID4KPgo+IFNlZSBodHRwczovL2xpc3RzLnhlbi5vcmcvYXJj aGl2ZXMvaHRtbC94ZW4tZGV2ZWwvMjAxOS0wMi90aHJlYWRzLmh0bWwjMDA4MTgKCkkgYmVsaWV2 ZSB0aGUgYWN0dWFsIHByb2JsZW0gaXMgZWl0aGVyOgoKMSkgVGhlIHJhZGVvbi9hbWRncHUgZHJp dmVycyBhcmUgY2FsbGluZyB0dG1fcG9wdWxhdGVfYW5kX21hcF9wYWdlcygpCndoaWNoICpzaG91 bGQqIHdvcmsgb24gYSBYZW4gUFYgaG9zdCwgYnV0IGRvZXNuJ3QgYW5kIG5lZWRzIHRvIGJlCmZp eGVkLgoKb3IKCjIpIFRoZSByYWRlb24vYW1kZ3B1IGRyaXZlcnMgYXJlIGNhbGxpbmcgdHRtX3Bv cHVsYXRlX2FuZF9tYXBfcGFnZXMoKQp3aGljaCAqY2Fubm90KiB3b3JrIGluIFhlbiwgYW5kIHRo ZXkgc2hvdWxkIGdvIGJhY2sgdG8gY2FsbGluZwp0dG1fZG1hX3BvcHVsYXRlKCkgaW4gdGhhdCBj YXNlLgoKSSdtIGhhdmluZyBhIGhhcmQgdGltZSBmaWd1cmluZyBvdXQgd2hpY2ggb2YgdGhvc2Ug aXMgY29ycmVjdC4KCi0tIApNaWNoYWVsIEQgTGFicmlvbGEKMjEgUmlwIFZhbiBXaW5rbGUgQ2ly CldhcndpY2ssIFJJIDAyODg2CjQwMS0zMTYtOTg0NCAoY2VsbCkKNDAxLTg0OC04ODcxICh3b3Jr KQo0MDEtMjM0LTEzMDYgKGhvbWUpCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5w cm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8v eGVuLWRldmVs