From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Gao Subject: Re: [PATCH v5 1/3] xen/pt: fix some pass-thru devices don't work across reboot Date: Wed, 23 Jan 2019 00:08:05 +0800 Message-ID: <20190122160803.GA28992@gao-cwp> References: <1547626652-23384-1-git-send-email-chao.gao@intel.com> <20190116103823.2h5kjq77y2nmhfn4@mac> <20190122055015.GA19297@gao-cwp> <5C46D350020000780020FFE6@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] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1glyX1-0005Mx-Co for xen-devel@lists.xenproject.org; Tue, 22 Jan 2019 16:04:07 +0000 Content-Disposition: inline In-Reply-To: <5C46D350020000780020FFE6@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: xen-devel , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org T24gVHVlLCBKYW4gMjIsIDIwMTkgYXQgMDE6MjQ6NDhBTSAtMDcwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4+Pj4gT24gMjIuMDEuMTkgYXQgMDY6NTAsIDxjaGFvLmdhb0BpbnRlbC5jb20+IHdyb3Rl Ogo+PiBPbiBXZWQsIEphbiAxNiwgMjAxOSBhdCAxMTozODoyM0FNICswMTAwLCBSb2dlciBQYXUg TW9ubsOpIHdyb3RlOgo+Pj5PbiBXZWQsIEphbiAxNiwgMjAxOSBhdCAwNDoxNzozMFBNICswODAw LCBDaGFvIEdhbyB3cm90ZToKPj4+PiBAQCAtMTUyOSw2ICsxNTkxLDggQEAgaW50IGRlYXNzaWdu X2RldmljZShzdHJ1Y3QgZG9tYWluICpkLCB1MTYgc2VnLCB1OCBidXMsIHU4IGRldmZuKQo+Pj4+ ICAgICAgaWYgKCAhcGRldiApCj4+Pj4gICAgICAgICAgcmV0dXJuIC1FTk9ERVY7Cj4+Pj4gIAo+ Pj4+ICsgICAgcGNpX3VubWFwX21zaShwZGV2KTsKPj4+Cj4+Pkp1c3Qgd2FudCB0byBtYWtlIHN1 cmUsIHNpbmNlIGRlYXNzaWduX2RldmljZSB3aWxsIGJlIGNhbGxlZCBmb3IgYm90aAo+Pj5QViBh bmQgSFZNIGRvbWFpbnMuIEFGQUlDVCBwY2lfdW5tYXBfbXNpIGlzIHNhZmUgdG8gY2FsbCB3aGVu IHRoZQo+Pj5kZXZpY2UgaXMgYXNzaWduZWQgdG8gYSBQViBndWVzdCwgYnV0IHdvdWxkIGxpa2Ug eW91ciBjb25maXJtYXRpb24uCj4+IAo+PiBUZXN0ZWQgd2l0aCBhIFBWIGd1ZXN0IGxvYWRlZCBi eSBQeWdydWIuIFBWIGd1ZXN0IGRvZXNuJ3Qgc3VmZmVyIHRoZQo+PiBtc2kteCBpc3N1ZSBJIHdh bnQgdG8gZml4Lgo+PiAKPj4gV2l0aCB0aGVzZSB0aHJlZSBwYXRjaGVzIGFwcGxpZWQsIEkgZ290 IHNvbWUgZXJyb3IgbWVzc2FnZXMgZnJvbSBYZW4KPj4gYW5kIERvbTAgYXMgZm9sbG93Ogo+PiAK Pj4gKFhFTikgaXJxLmM6MjE3NjogZG9tMzogZm9yY2luZyB1bmJpbmQgb2YgcGlycSAzMzIKPj4g KFhFTikgaXJxLmM6MjE3NjogZG9tMzogZm9yY2luZyB1bmJpbmQgb2YgcGlycSAzMzEKPj4gKFhF TikgaXJxLmM6MjE3NjogZG9tMzogZm9yY2luZyB1bmJpbmQgb2YgcGlycSAzMjgKPj4gKFhFTikg aXJxLmM6MjE0ODogZG9tMzogcGlycSAzNTkgbm90IG1hcHBlZAo+PiBbIDI4ODcuMDY3Njg1XSB4 ZW46ZXZlbnRzOiB1bm1hcCBpcnEgZmFpbGVkIC0yMgo+PiAoWEVOKSBpcnEuYzoyMTQ4OiBkb20z OiBwaXJxIDM1OCBub3QgbWFwcGVkCj4+IFsgMjg4Ny4wNzU5MTddIHhlbjpldmVudHM6IHVubWFw IGlycSBmYWlsZWQgLTIyCj4+IChYRU4pIGlycS5jOjIxNDg6IGRvbTM6IHBpcnEgMzU3IG5vdCBt YXBwZWQKPj4gCj4+IEl0IHNlZW1zLCB0aGUgY2F1c2Ugb2Ygc3VjaCBlcnJvciBpcyB0aGF0IHBp cnEtcyBhcmUgdW5tYXBwZWQgYW5kIGZvcmNpYmx5Cj4+IHVuYm91bmQgb24gZGVhc3NpZ25tZW50 OyBzdWJzZXF1ZW50IHVubWFwcGluZyBwaXJxIGlzc3VlZCBieSBkb20wIGZhaWwuCj4+IEZyb20g c29tZSBhc3BlY3RzLCB0aGlzIGVycm9yIGlzIGV4cGVjdGVkLiBCZWNhdXNlIHdpdGggdGhpcyBw YXRjaCwKPj4gcGlycS1zIGFyZSBleHBlY3RlZCB0byBiZSBtYXBwZWQgYnkgcWVtdSBvciBkb20w IGtlcm5lbCAoZm9yIHB2IGNhc2UpIGJlZm9yZQo+PiBkZWFzc2lnbm1lbnQgYW5kIG1hcHBpbmcv YmluZGluZyBwaXJxIGFmdGVyIGRlYXNzaWdubWVudCBzaG91bGQgZmFpbC4KPj4gCj4+IFNvIHdo YXQncyB5b3VyIG9waW5pb24gb24gaGFuZGxpbmcgc3VjaCBlcnJvcj8gV2Ugc2hvdWxkIGZpZ3Vy ZSBvdXQgYW5vdGhlcgo+PiBtZXRob2QgdG8gZml4IG1zaS14IGlzc3VlIHRvIGF2b2lkIHN1Y2gg ZXJyb3Igb3Igc3VwcHJlc3MgdGhlc2UgZXJyb3JzIGluCj4+IHFlbXUgYW5kIGxpbnV4IGtlcm5l bD8KPgo+VGhlICJmb3JjaW5nIHVuYmluZCIgb25lcyBhcmUgcHJvYmFibHkgZmluZSB0byBsZWF2 ZSBhbG9uZSwgYnV0Cj50aGUgZXJyb3JzIHdvdWxkIGJldHRlciBiZSBhdm9pZGVkIGluIFhlbiAo aS5lLiB3aXRob3V0IGEgbmVlZAo+dG8gYWxzbyBjaGFuZ2UgcWVtdSBhbmQvb3IgTGludXgpLiBT aW5jZSB5b3UgZG9uJ3QgcmVhbGx5IHNheQo+d2hlbiAvIHdoeSB0aGVzZSBlcnJvcnMgbm93IHN1 cmZhY2UsIGl0J3MgaGFyZCB0byBzdWdnZXN0IHdoYXQKPm1pZ2h0IGJlIGJlc3QgdG8gZG8uCgpX aXRoIHRoZXNlIHBhdGNoZXMgYXBwbGllZCwgdGhlc2UgZXJyb3JzIHN1cmZhY2UgaW4gdGhyZWUg Y2FzZXM6CjEuIGRlc3Ryb3kgdGhlIFBWIGd1ZXN0IHdpdGggYXNzaWduZWQgZGV2aWNlcyBieSAi eGwgZGVzdHJveSIKMi4gaG90LXVucGx1ZyBhIGFzc2lnbmVkIGRldmljZSBmcm9tIHRoZSBQViBn dWVzdAozLiBzaHV0IGRvd24gdGhlIFBWIGd1ZXN0IGJ5IGV4ZWN1dGluZyAiaW5pdCAwIiBpbiBn dWVzdCAob25seSBmb3Igc29tZQpkZXZpY2VzIHdob3NlIGRyaXZlciBkb2Vzbid0IGNsZWFuIHVw IE1TSS14IHdoZW4gc2h1dGRvd24pCgpUaGUgcmVhc29uIGlzOgp3aGVuIGRldGFjaGluZyBhIGRl dmljZSBmcm9tIGEgZG9tYWluLCBUb29sc3RhY2sgYWx3YXlzIGNhbGxzCnhjX2RlYXNzaWduX2Rl dmljZSgpIHByaW9yIHRvIGxpYnhsX19kZXZpY2VfcGNpX3JlbW92ZV94ZW5zdG9yZSgpLgpUaGUg bGF0dGVyIG5vdGlmaWVzIHhlbl9wY2liYWNrIHRvIGNsZWFuIHVwIHRoZSBwY2kgZGV2aWNlcy4g SSBndWVzcwp1bmJpbmRpbmcgYW5kIHVubWFwcGluZyBwaXJxIGFyZSBzdGVwcyBvZiB0aGUgY2xl YW51cCAoanVzdCBsaWtlCnFlbXUncyByb2xlIGluIGRldmljZSBkZWFzc2lnbm1lbnQgZm9yIEhW TSBndWVzdCkuIEJ1dCBpbiB0aGlzIHBhdGNoLApwaXJxcyBhcmUgZm9yY2libHkgdW5tYXBwZWQg d2hlbiBjYWxsaW5nIHhjX2RlYXNzaWduX2RldmljZSgpLiBUaHVzIHdoZW4KeGVuX3BjaWJhY2sg dHJpZXMgdG8gdW5tYXAgcGlycXMgYXMgdXN1YWwsIHhlbiByZXBvcnRzIHRoaXMgcGlycSBpc24n dAptYXBwZWQgYW5kIHByb3BhZ2F0ZXMgdGhpcyBlcnJvciB0byB4ZW5fcGNpYmFjay4KClRoYW5r cwpDaGFvCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpY ZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRw czovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs