From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yu, Zhang" Subject: Re: [PATCH v2 3/3] x86/ioreq server: Add HVMOP to map guest ram with p2m_ioreq_server to an ioreq server Date: Thu, 14 Apr 2016 17:56:46 +0800 Message-ID: <570F695E.4080907@linux.intel.com> References: <1459421618-5991-1-git-send-email-yu.c.zhang@linux.intel.com> <1459421618-5991-4-git-send-email-yu.c.zhang@linux.intel.com> <57083EA202000078000E623A@prv-mh.provo.novell.com> <570B871E.7040703@linux.intel.com> <570BDF8E02000078000E63F1@prv-mh.provo.novell.com> <570CC1E2.1010408@linux.intel.com> <570D1D6E02000078000E64E4@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <570D1D6E02000078000E64E4@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 , paul.durrant@citrix.com, jun.nakajima@intel.com, kevin.tian@intel.com Cc: keir@xen.org, george.dunlap@eu.citrix.com, andrew.cooper3@citrix.com, tim@xen.org, xen-devel@lists.xen.org, zhiyuan.lv@intel.com List-Id: xen-devel@lists.xenproject.org CgpPbiA0LzEyLzIwMTYgMTE6MDggUE0sIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+ICJZdSwgWmhh bmciIDx5dS5jLnpoYW5nQGxpbnV4LmludGVsLmNvbT4gMDQvMTIvMTYgMTE6NDcgQU0gPj4+Cj4+ IE9uIDQvMTIvMjAxNiAxMjozMSBBTSwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4+PiBPbiAxMS4w NC4xNiBhdCAxMzoxNCwgPHl1LmMuemhhbmdAbGludXguaW50ZWwuY29tPiB3cm90ZToKPj4+PiBP biA0LzkvMjAxNiA2OjI4IEFNLCBKYW4gQmV1bGljaCB3cm90ZToKPj4+Pj4+Pj4gT24gMzEuMDMu MTYgYXQgMTI6NTMsIDx5dS5jLnpoYW5nQGxpbnV4LmludGVsLmNvbT4gd3JvdGU6Cj4+Pj4+PiAr ICAgICAgICBpZiAoIHMtPmlkID09IGlkICkKPj4+Pj4+ICsgICAgICAgIHsKPj4+Pj4+ICsgICAg ICAgICAgICByYyA9IHAybV9zZXRfaW9yZXFfc2VydmVyKGQsIGZsYWdzLCBzKTsKPj4+Pj4+ICsg ICAgICAgICAgICBpZiAoIHJjID09IDAgKQo+Pj4+Pj4gKyAgICAgICAgICAgICAgICBnZHByaW50 ayhYRU5MT0dfREVCVUcsICIldSAlcyB0eXBlIEhWTU1FTV9pb3JlcV9zZXJ2ZXIuXG4iLAo+Pj4+ Pj4gKyAgICAgICAgICAgICAgICAgICAgICAgICBzLT5pZCwgKGZsYWdzICE9IDApID8gIm1hcHBl ZCB0byIgOiAidW5tYXBwZWQgZnJvbSIpOwo+Pj4+Pgo+Pj4+PiBXaHkgZ2RwcmludGsoKT8gSSBk b24ndCB0aGluayB0aGUgY3VycmVudCBkb21haW4gaXMgb2YgbXVjaAo+Pj4+PiBpbnRlcmVzdCBo ZXJlLiBXaGF0IHdvdWxkIGJlIG9mIGludGVyZXN0IGlzIHRoZSBzdWJqZWN0IGRvbWFpbi4KPj4+ Pj4KPj4+Pgo+Pj4+IHMtPmlkIGlzIG5vdCB0aGUgZG9tYWluX2lkLCBidXQgaWQgb2YgdGhlIGlv cmVxIHNlcnZlci4KPj4+Cj4+PiBUaGF0J3MgdW5kZXJzdG9vZC4gQnV0IGdkcHJpbnRrKCkgaXRz ZWxmIGxvZ3MgdGhlIGN1cnJlbnQgZG9tYWluLAo+Pj4gd2hpY2ggaXNuJ3QgYXMgdXNlZnVsIGFz IHRoZSBzdWJqZWN0IG9uZS4KPj4KPj4gT2gsIEkgc2VlLiBTbyB0aGUgY29ycmVjdCByb3V0aW5l IGhlcmUgc2hvdWxkIGJlIGRwcmludGsoKSwgcmlnaHQ/Cj4KPiBZZXMuCj4KPj4+Pj4gQW5kIHdp dGggYWxsIHRocmVlIGJpdHMgbm93IHBvc3NpYmx5IGJlaW5nIGNsZWFyLCBhcmVuJ3Qgd2Ugcmlz a2luZyB0aGUKPj4+Pj4gZW50cmllcyB0byBiZSBtaXMtdHJlYXRlZCBhcyBub3QtcHJlc2VudCBv bmVzPwo+Pj4+Cj4+Pj4gSGFoLiBZb3UgZ290IG1lLiBUaGFua3MhIDopCj4+Pj4gTm93IEkgcmVh bGl6ZWQgaXQgd291bGQgYmUgZGlmZmljdWx0IGlmIHdlIHdhbm5hIHRvIGVtdWxhdGUgdGhlIHJl YWQKPj4+PiBvcGVyYXRpb25zIGZvciBIVk0uIEFjY29yZGluZyB0byBJbnRlbCBtYW5udWFsLCBl bnRyeS0+ciBpcyB0byBiZQo+Pj4+IGNsZWFyZWQsIHNvIHNob3VsZCBlbnRyeS0+dyBpZiB3ZSBk byBub3Qgd2FudCBlcHQgbWlzY29uZmlnLiBBbmQKPj4+PiB3aXRoIGJvdGggcmVhZCBhbmQgd3Jp dGUgcGVybWlzc2lvbnMgYmVpbmcgZm9yYmlkZGVuLCBlbnRyeS0+eCBjYW4gYmUKPj4+PiBzZXQg b25seSBvbiBwcm9jZXNzb3JzIHdpdGggRVhFQ1VURV9PTkxZIGNhcGFiaWxpdHkuCj4+Pj4gVG8g YXZvaWQgYW55IGVudHJ5IHRvIGJlIG1pcy10cmVhdGVkIGFzIG5vdC1wcmVzZW50LiBXZSBoYXZl IHNldmVyYWwKPj4+PiBzb2x1dGlvbnM6Cj4+Pj4gYT4gZG8gbm90IHN1cHBvcnQgdGhlIHJlYWQg ZW11bGF0aW9uIGZvciBub3cgLSB3ZSBoYXZlIG5vIHN1Y2ggdXNhZ2UKPj4+PiBjYXNlOwo+Pj4+ IGI+IGFkZCB0aGUgY2hlY2sgb2YgcDJtX3QgYWdhaW5zdCBwMm1faW9yZXFfc2VydmVyIGluIGlz X2VwdGVfcHJlc2VudCAtCj4+Pj4gYSBiaXQgd2VpcmQgdG8gbWUuCj4+Pj4gV2hpY2ggb25lIGRv IHlvdSBwcmVmZXI/IG9yIGFueSBvdGhlciBzdWdnZXN0aW9ucz8KPj4+Cj4+PiBUaGF0IHF1ZXN0 aW9uIHdvdWxkIGFsc28gbmVlZCB0byBiZSBhc2tlZCB0byBvdGhlcnMgd2hvIGhhZAo+Pj4gc3Vn Z2VzdGVkIHN1cHBvcnRpbmcgYm90aC4gSSdkIGJlIGZpbmUgd2l0aCBhLCBidXQgSSBhbHNvIGRv bid0IHZpZXcKPj4+IGIgYXMgdG9vIGF3a3dhcmQuCj4+Cj4+IEFjY29yZGluZyB0byBJbnRlbCBt YW5udWFsLCBhbiBlbnRyeSBpcyByZWdhcmRlZCBhcyBub3QgcHJlc2VudCwgaWYKPj4gYml0MDoy IGlzIDAuIFNvIGFkZGluZyBhIHAybSB0eXBlIGNoZWNrIGluIGlzX2VwdGVfcHJlc2VudCgpIG1l YW5zIHdlCj4+IHdpbGwgY2hhbmdlIGl0cyBzZW1hbnRpY3MsIGlmIHRoaXMgaXMgYWNjZXB0YWJs ZSh3aXRoIG5vIGh1cnQgdG8KPj4gaHlwZXJ2aXNvcikuIEknZCBwcmVmZXIgb3B0aW9uIGI+Cj4K PiBQZXJoYXBzIHRpbWUgZm9yIHRoZSBWTVggbWFpbnRhaW5lcnMgdG8gY2hpbWUgaW4gLSBzdWNo IGEgY2hhbmdlIGlzIGFjY2VwdGFibGUKPiBvbmx5IGlmIGl0IGRvZXNuJ3QgcmVzdWx0IGluIGNo YW5nZWQgaGFyZHdhcmUgYmVoYXZpb3IuIEkgY2FuJ3QgdGhpbmsgb2YgYW55IHN1Y2ggb2ZmCj4g dGhlIHRvcCBvZiBteSBoZWFkLCBidXQgdGhpcyByZWFsbHkgc2hvdWxkIGJlIGNvbmZpcm1lZCBi eSB0aGUgbWFpbnRhaW5lcnMgYmVmb3JlCj4gZGVjaWRpbmcgdG8gZ28gc3VjaCBhIHJvdXRlLgo+ CgpUaGFua3MsIEphbi4gOikKSnVuICYgS2V2aW4sIGFueSBzdWdnZXN0aW9ucz8KCll1CgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFp bGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hl bi1kZXZlbAo=