From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Gao Subject: Re: [PATCH v3] VT-d PI: disable VT-d PI when APICv is disabled Date: Fri, 9 Jun 2017 16:58:00 +0800 Message-ID: <20170609085757.GA9201@skl-2s3.sh.intel.com> References: <1496989370-6417-1-git-send-email-chao.gao@intel.com> <593A7BD202000078001612FC@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <593A7BD202000078001612FC@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Andrew Cooper , Kevin Tian , Jun Nakajima , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBKdW4gMDksIDIwMTcgYXQgMDI6NDM6MzBBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4+Pj4gT24gMDkuMDYuMTcgYXQgMDg6MjIsIDxjaGFvLmdhb0BpbnRlbC5jb20+IHdyb3Rl Ogo+PiAtLS0gYS94ZW4vYXJjaC94ODYvaHZtL3ZteC92bWNzLmMKPj4gKysrIGIveGVuL2FyY2gv eDg2L2h2bS92bXgvdm1jcy5jCj4+IEBAIC0zNTEsNiArMzUxLDEzIEBAIHN0YXRpYyBpbnQgdm14 X2luaXRfdm1jc19jb25maWcodm9pZCkKPj4gICAgICAgICAgICB8fCAhKF92bXhfdm1leGl0X2Nv bnRyb2wgJiBWTV9FWElUX0FDS19JTlRSX09OX0VYSVQpICkKPj4gICAgICAgICAgX3ZteF9waW5f YmFzZWRfZXhlY19jb250cm9sICAmPSB+IFBJTl9CQVNFRF9QT1NURURfSU5URVJSVVBUOwo+PiAg Cj4+ICsgICAgaWYgKCBpb21tdV9pbnRwb3N0ICYmICFjcHVfaGFzX3ZteF9wb3N0ZWRfaW50cl9w cm9jZXNzaW5nICkKPj4gKyAgICB7Cj4+ICsgICAgICAgIHByaW50aygiSW50ZWwgVlQtZCBQb3N0 ZWQgSW50ZXJydXB0IGlzIGRpc2FibGVkIGZvciBDUFUtc2lkZSBQb3N0ZWQgIgo+PiArICAgICAg ICAgICAgICAgIkludGVycnVwdCBpcyBub3QgZW5hYmxlZFxuIik7Cj4+ICsgICAgICAgIGlvbW11 X2ludHBvc3QgPSAwOwo+PiArICAgIH0KPgo+U28gc2ltcGx5IGNsZWFyaW5nIGlvbW11X2ludHBv c3QgaGVyZSBpbmRlZWQgbG9va3MgdG8gYmUgZmluZSAoYXQKPmxlYXN0IGZvciBhbGwgY3VycmVu dCB1c2VzIG9mIHRoZSBmbGFnKS4gSG93ZXZlciwgcHJldmlvdXNseSB5b3UKPmhhZCBhIGRlcGVu ZGVuY3kgb24gQVBJQy1WIGJlaW5nIGVuYWJsZWQsIGFuZCB0aGVyZSBub3QgbG9uZ2VyCj5pcyBz dWNoIGEgZGVwZW5kZW5jeSB3aXRoIHRoZSBjaGVjayBhYm92ZSAtCj5wb3N0ZWRfaW50cl9wcm9j ZXNzaW5nIGlzIGJlaW5nIGZvcmNlZCB0byBvZmYgb25seSB3aGVuCj4hdm14X3ZpcnR1YWxfaW50 cl9kZWxpdmVyeSBvciBBQ0tfSU5UUl9PTl9FWElUIG5vdCBiZWluZyBzZXQKPih0aGUgbGF0dGVy IGJ0dyBpcyBzdHJhbmdlIGFzIGEgY2hlY2ssIGFzIHRoYXQgZmVhdHVyZSBpcyBiZWluZwo+cmVx dWVzdGVkIGFzICJtaW5pbXVtIiwgbm90ICJvcHRpb25hbCIpLgoKWWVzLiB0aGUgcmVsZXZhbnQg ZGVzY3JpcHRpb24gaXMgaW1wcm9wZXIgbm93LiBJIHdpbGwgcmVtb3ZlIGFsbCBvZgp0aGVtIGFu ZCB0aGluayBtb3JlIGFib3V0IHRoZSBBQ0tfSU5UUl9PTl9FWElULiBJZiBpdCBjYW4gYmUKcmVt b3ZlZCwgSSB3aWxsIHRha2UgdGhpcyBjaGFuZ2UgdG8gZG8gdGhpcy4KCj4KPkFuZCB0aGVuIEkg aGF2ZSBhIGZsb3cgcXVlc3Rpb24gaGVyZToKPmNwdV9oYXNfdm14X3Bvc3RlZF9pbnRyX3Byb2Nl c3NpbmcgZXhwYW5kcyB0byBhIHJlZmVyZW5jZSB0bwo+dm14X3Bpbl9iYXNlZF9leGVjX2NvbnRy b2wsIHlldCB0aGF0IHZhcmlhYmxlIGlzIGJlaW5nIHdyaXR0ZW4KPm9ubHkgbGF0ZXIgaW4gdGhl IGZ1bmN0aW9uLCBzbyBpdCB3b3VsZCBzZWVtIHRvIG1lIHRoYXQgbm93IHlvdQo+dHVybiBvZmYg aW9tbXVfaW50cG9zdCB1bmNvbmRpdGlvbmFsbHkuIEFtIEkgb3Zlcmxvb2tpbmcgYW55dGhpbmc/ Cj5PdGhlcndpc2UgSSB0aGluayB5b3UgbmVlZCB0byB1c2UgX3ZteF9waW5fYmFzZWRfZXhlY19j b250cm9sCj5oZXJlIGluc3RlYWQsIGp1c3QgbGlrZSB0aGUgY29kZSB2aXNpYmxlIGluIGNvbnRl eHQgZG9lcy4KCkFncmVlLiBJdCBzaG91bGQgYmUuIFRoYW5rcyB5b3UuIEkgZm9yZ290IHRvIHRl c3Qgd2l0aCAnYXBpY3Y9dHJ1ZScuCkkgb25seSB0ZXN0ZWQgdGhpcyBwYXRjaCB3aXRoICdhcGlj dj1mYWxzZScuCgpUaGFua3MKY2hhbwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVu Lm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==