From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH] x86/ioreq server: Fix DomU couldn't reboot when using p2m_ioreq_server p2m_type Date: Fri, 05 May 2017 08:40:14 -0600 Message-ID: <590CAAEE02000078001573F1@prv-mh.provo.novell.com> References: <1493956334-3310-1-git-send-email-xiong.y.zhang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1493956334-3310-1-git-send-email-xiong.y.zhang@intel.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Xiong Zhang Cc: george.dunlap@eu.citrix.com, andrew.cooper3@citrix.com, xen-devel@lists.xen.org, paul.durrant@citrix.com, yu.c.zhang@linux.intel.com, zhiyuan.lv@intel.com List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDA1LjA1LjE3IGF0IDA1OjUyLCA8eGlvbmcueS56aGFuZ0BpbnRlbC5jb20+IHdyb3Rl Ogo+ICdjb21taXQgMTY3OWUwZGYzZGY2ICgieDg2L2lvcmVxIHNlcnZlcjogYXN5bmNocm9ub3Vz bHkgcmVzZXQKPiBvdXRzdGFuZGluZyBwMm1faW9yZXFfc2VydmVyIGVudHJpZXMiKScgd2lsbCBj YWxsCj4gcDJtX2NoYW5nZV9lbnRyeV90eXBlX2dsb2JhbCgpIHdoaWNoIHNldCBlbnRyeS5yZWNh bGM9MS4gVGhlbgo+IHRoZSBmb2xsb3dpbmcgZ2V0X2VudHJ5KHAybV9pb3JlcV9zZXJ2ZXIpIHdp bGwgcmV0dXJuCj4gcDJtX3JhbV9ydyB0eXBlLgo+IEJ1dCAnY29tbWl0IDZkNzc0YTk1MTY5NiAo Ing4Ni9pb3JlcSBzZXJ2ZXI6IHN5bmNocm9ub3VzbHkgcmVzZXQKPiBvdXRzdGFuZGluZyBwMm1f aW9yZXFfc2VydmVyIGVudHJpZXMgd2hlbiBhbiBpb3JlcSBzZXJ2ZXIgdW5tYXBzIiknCj4gYXNz dW1lIGdldF9lbnRyeShwMm1faW9yZXFfc2VydmVyKSB3aWxsIHJldHVybiBwMm1faW9yZXFfc2Vy dmVyCj4gdHlwZSwgdGhlbiByZXNldCBwMm1faW9yZXFfc2VydmVyIGVudHJpZXMuIFRoZSBmYWN0 IGlzIHRoZSBhc3N1bXB0aW9uCj4gaXNuJ3QgdHJ1ZSwgYW5kIHN5c25jaHJvbm91c2x5IHJlc2V0 IGZ1bmN0aW9uIGNvdWxkbid0IHdvcmsuIFRoZW4KPiBpb3JlcS5lbnRyeV9jb3VudCBpcyBsYXJn ZXIgdGhhbiB6ZXJvIGFmdGVyIGFuIGlvcmVxIHNlcnZlciB1bm1hcHMsCj4gZmluYWxseSB0aGlz IHJlc3VsdHMgRG9tVSBjb3VsZG4ndCByZWJvb3QuCgpJJ3ZlIGhhZCB0cm91YmxlIHVuZGVyc3Rh bmRpbmcgdGhpcyBwYXJ0IGFscmVhZHkgb24gdjEgKGJ0dywgd2h5IGlzCnRoaXMgb25lIG5vdCB0 YWdnZWQgdjI/KSwgYW5kIHNpbmNlIEkgc3RpbGwgY2FuJ3QgZmlndXJlIGl0IEkgaGF2ZSB0byBh c2s6CldoeSBpcyBpdCB0aGF0IGd1ZXN0IHJlYm9vdCBpcyBiZWluZyBpbXBhY3RlZCBoZXJlPyBG cm9tIHdoYXQgSSByZWNhbGwKYSBub24temVybyBjb3VudCBzaG91bGQgb25seSBwcmV2ZW50IG1p Z3JhdGlvbi4KCj4gVGhpcyBwYXRjaCBhZGQgYSBQMk1fUFJFX1JFQ0FMQyBmbGFnIHRvIHAybV9x dWVyeV90LCB0aGVuCj4gZ2V0X2VudHJ5KFAyTV9QUkVfUkVDQUxDKSB3aWxsIHJldHVybiBwMm1f aW9yZXFfc2VydmVyIHR5cGUKPiBmb3IgcDJtX2lvcmVxX3NlcnZlciBwZm4sIGFuZCBmaW5hbGx5 IGNoYW5nZSBtZW0gdHlwZSB0aHJvdWdoIHNldF9lbnRyeS4KClRoaXMgbG9va3MgdG8gYmUgYSBy ZWxhdGl2ZWx5IGxpdHRsZSBpbXBhY3QgY2hhbmdlLCBidXQgbmV2ZXJ0aGVsZXNzCkknbSB3b25k ZXJpbmcgd2hldGhlciBzb21lb25lIGVsc2UgKEdlb3JnZT8pIG1heSBiZSBhYmxlIHRvCnRoaW5r IG9mIHNvbWUgbW9yZSBlbGVnYW50IHNvbHV0aW9uIChJIGhhdmUgdG8gYWRtaXQgdGhhdCwgaGF2 aW5nCnN1Z2dlc3RlZCB0aGUgb25lIGhlcmUsIEkgY2FuJ3QpLgoKPiAtLS0gYS94ZW4vYXJjaC94 ODYvbW0vcDJtLWVwdC5jCj4gKysrIGIveGVuL2FyY2gveDg2L21tL3AybS1lcHQuYwo+IEBAIC05 OTEsOCArOTkxLDExIEBAIHN0YXRpYyBtZm5fdCBlcHRfZ2V0X2VudHJ5KHN0cnVjdCBwMm1fZG9t YWluICpwMm0sCj4gIAo+ICAgICAgaWYgKCBpc19lcHRlX3ZhbGlkKGVwdF9lbnRyeSkgKQo+ICAg ICAgewo+IC0gICAgICAgICp0ID0gcDJtX3JlY2FsY190eXBlKHJlY2FsYyB8fCBlcHRfZW50cnkt PnJlY2FsYywKPiAtICAgICAgICAgICAgICAgICAgICAgICAgICAgICBlcHRfZW50cnktPnNhX3Ay bXQsIHAybSwgZ2ZuKTsKPiArICAgICAgICBpZiAoICEocSAmIFAyTV9QUkVfUkVDQUxDKSApCgpI ZXJlIGFuZCBlbHNld2hlcmUgeW91IHdhbnQgdG8gdXNlIGxpa2VseSgpLiBBbmQgaW4gZmFjdCBJ IHdvbmRlcgp3aGV0aGVyIG92ZXJhbGwgaXQgd291bGRuJ3QgYmUgYmV0dGVyIHRvIHBhc3MgcSAo b3IganVzdCB0aGUgYm9vbGVhbgpyZXN1bHRpbmcgZnJvbSBxICYgUDJNX1BSRV9SRUNBTEMpIHRv IHAybV9yZWNhbGNfdHlwZSgpLAphdm9pZGluZyB0aGVzZSByZWN1cnJpbmcgaWYvZWxzZS1zIHlv dSBhZGQuCgo+IC0tLSBhL3hlbi9hcmNoL3g4Ni9tbS9wMm0uYwo+ICsrKyBiL3hlbi9hcmNoL3g4 Ni9tbS9wMm0uYwo+IEBAIC0xMDIwLDYgKzEwMjAsOCBAQCB2b2lkIHAybV9maW5pc2hfdHlwZV9j aGFuZ2Uoc3RydWN0IGRvbWFpbiAqZCwKPiAgICAgIHAybV90eXBlX3QgdDsKPiAgICAgIHVuc2ln bmVkIGxvbmcgZ2ZuID0gZ2ZuX3goZmlyc3RfZ2ZuKTsKPiAgICAgIHVuc2lnbmVkIGxvbmcgbGFz dF9nZm4gPSBnZm4gKyBtYXhfbnIgLSAxOwo+ICsgICAgbWZuX3QgbWZuOwo+ICsgICAgcDJtX2Fj Y2Vzc190IGE7CgpQbGVhc2UgcHV0IHRoZXNlIHZhcmlhYmxlIGRlY2xhcmF0aW9ucyAuLi4KCj4g QEAgLTEwMjksMTAgKzEwMzEsMTAgQEAgdm9pZCBwMm1fZmluaXNoX3R5cGVfY2hhbmdlKHN0cnVj dCBkb21haW4gKmQsCj4gICAgICBsYXN0X2dmbiA9IG1pbihsYXN0X2dmbiwgcDJtLT5tYXhfbWFw cGVkX3Bmbik7Cj4gICAgICB3aGlsZSAoIGdmbiA8PSBsYXN0X2dmbiApCj4gICAgICB7CgouLi4g aGVyZS4KCkphbgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6 Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=