From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ting-Wei Lan Subject: Re: [PATCH] VT-d: add iommu=igfx_off option to workaround graphics issues Date: Mon, 20 Jul 2015 18:44:28 +0800 Message-ID: <1437389068.21078.5.camel@gmail.com> References: <1437159952-4134-1-git-send-email-lantw44@gmail.com> <55ACAF80.4000608@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <55ACAF80.4000608@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Andrew Cooper , "Tian, Kevin" , "xen-devel@lists.xen.org" Cc: "Zhang, Yang Z" , Ting-Wei Lan , Jan Beulich List-Id: xen-devel@lists.xenproject.org 5pa8IOS4gO+8jDIwMTUtMDctMjAg5pa8IDA5OjIxICswMTAw77yMQW5kcmV3IENvb3BlciDmj5Dl iLDvvJoKPiBPbiAyMC8wNy8yMDE1IDAyOjI4LCBUaWFuLCBLZXZpbiB3cm90ZToKPiA+ID4gRnJv bTogVGluZy1XZWkgTGFuIFttYWlsdG86bGFudHc0NEBnbWFpbC5jb21dCj4gPiA+IFNlbnQ6IFNh dHVyZGF5LCBKdWx5IDE4LCAyMDE1IDM6MDYgQU0KPiA+ID4gCj4gPiA+IFdoZW4gdXNpbmcgTGlu dXggPj0gMy4xOSAoY29tbWl0IDQ3NTkxZGYpIGFzIGRvbTAgb24gc29tZSBJbnRlbCAKPiA+ID4g SXJvbmxha2UKPiA+ID4gZGV2aWNlcywgSXQgaXMgcG9zc2libGUgdG8gZW5jb3VudGVyIGdyYXBo aWNzIGlzc3VlcyB0aGF0IG1ha2UgCj4gPiA+IHNjcmVlbgo+ID4gPiB1bnJlYWRhYmxlIG9yIGNy YXNoIHRoZSBzeXN0ZW0uIEl0IHdhcyByZXBvcnRlZCBpbiBmcmVlZGVza3RvcCAKPiA+ID4gYnVn emlsbGE6Cj4gPiA+IAo+ID4gPiBodHRwczovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVn LmNnaT9pZD05MDAzNwo+ID4gPiAKPiA+ID4gQXMgd2Ugc3RpbGwgY2Fubm90IGZpbmQgYSBwcm9w ZXIgZml4IGZvciB0aGlzIHByb2JsZW0sIHRoaXMgcGF0Y2ggCj4gPiA+IGFkZHMKPiA+ID4gaW9t bXU9aWdmeF9vZmYgb3B0aW9uIHRoYXQgaXMgc2ltaWxhciB0byBMaW51eCAKPiA+ID4gaW50ZWxf aW9tbXU9aWdmeF9vZmYgZm9yCj4gPiA+IHVzZXJzIHRvIG1hbnVhbGx5IHdvcmthcm91bmQgdGhl IHByb2JsZW0uCj4gPiA+IAo+ID4gPiBTaWduZWQtb2ZmLWJ5OiBUaW5nLVdlaSBMYW4gPGxhbnR3 NDRAZ21haWwuY29tPgo+ID4gU2luY2UgaWdmeCB3b3JrcyBiZWZvcmUsIEknZCB0aGluayBhIG1v cmUgcHJvcGVyIGZpeCBzaG91bGQgYmUgb24gCj4gPiB0aGUKPiA+IGJpc2VjdGVkIExpbnV4IGNv bW1pdCBvciBpOTE1IHRvIGhhdmUgdHdvIHdvcmtpbmcgY29ycmVjdGx5IAo+ID4gdG9nZXRoZXIu Cj4gPiBPdGhlcndpc2UgdGhpcyBwYXRjaCBpcyBqdXN0IGhpZGluZyBwcm9ibGVtLgo+IAo+IFRo ZSBsaW51eCBjb21taXQgaXMgdGhlIG9uZSB3aGljaCBhY3R1YWxseSBmaXhlcyBQQVQgc3VwcG9y dCBmb3IgCj4gTGludXgKPiB1bmRlciBYZW4uCj4gCj4gSXQgd2lsbCBjYXVzZSB0aGUgaTkxNSBk cml2ZXIgdG8gYWN0dWFsbHkgZ2V0IFdDIG1hcHBpbmdzIHdoZW4gaXQgCj4gYXNrcwo+IGZvciB0 aGVtLgoKSSBtYWRlIGEgbmV3IGk5MTUgYnVnIHJlcG9ydCBiZWNhdXNlIHRoZSBvbGQgb25lIHNl ZW1zIHRvIGJlIGlnbm9yZWQ6Cmh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcu Y2dpP2lkPTkxNDAwCgo+IAo+ID4gVGhlcmUgaXMgb25lIHBvc3NpYmxlIHVzYWdlIHRvIGRvIHNl bGVjdGl2ZSBJT01NVSBkaXNhYmxlIG90aGVyIAo+ID4gdGhhbgo+ID4gZ2xvYmFsICJpb21tdT1v ZmYiIHN3aXRjaC4gVGhlbiBtYWtpbmcgdGhpcyBvcHRpb24gZ2VuZXJhbCB3b3VsZAo+ID4gYmUg YmV0dGVyIHRoYW4gaWdmeF9vZmYsIGUuZy4gYmFzZWQgb24gQkRGLiBCdXQgSSdtIG5vdCBzdXJl IGhvdyBpdAo+ID4gaXMgdXNlZnVsIGluIHJlYWxpdHkuCj4gCj4gSXQgaXMgY3VyaW91cyB0aGF0 IGp1c3QgZGlzYWJsaW5nIHRoZSBJT01NVSBhcHBlYXJzIHRvIGZpeCB0aGUgCj4gcHJvYmxlbS4g CgpZZXMsIGRpc2FibGluZyBJT01NVSAoaW9tbXU9b2ZmIG9yIGlvbW11PWlnZnhfb2ZmIGFkZGVk IGJ5IHRoaXMgcGF0Y2gpCmF2b2lkcyB0aGUgcHJvYmxlbS4KCkEgc2ltaWxhciBwcm9ibGVtIGFs c28gaGFwcGVucyBvbiBMaW51eCA+PSAzLjcgd2l0aG91dCB1c2luZyBYZW4sIGFuZAppdCBjYW4g YWxzbyBiZSBhdm9pZGVkIHVzaW5nIGludGVsX2lvbW11PWlnZnhfb2ZmLgoKPiBBcmUgdGhlcmUg YW55IGVycmF0YSB5b3UgYXJlIGF3YXJlIG9mIG9uIHRoaXMgY2xhc3Mgb2Ygc3lzdGVtPwoKV2l0 aCBYZW46Cmh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTkwMDM3 Cmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9hcmNoaXZlcy9odG1sL3hlbi1kZXZlbC8yMDE1 Ci0wNi9tc2cwMjIzNi5odG1sCmh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcu Y2dpP2lkPTkxNDAwCgpXaXRob3V0IFhlbjoKaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9z aG93X2J1Zy5jZ2k/aWQ9OTExMjcKCj4gCj4gfkFuZHJldwoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2 ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK