From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Huang, Kai" Subject: Re: [PATCH 08/15] xen: x86: add SGX cpuid handling support. Date: Mon, 17 Jul 2017 18:16:30 +1200 Message-ID: References: <1ca2e437e21b0684518ff32dad292aa6080dcb11.1499586046.git.kai.huang@linux.intel.com> <7519e471-7fd5-748d-2191-31f9a486f81d@linux.intel.com> <4b2bae7e-a016-af0b-aae6-a030fa6c3619@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <4b2bae7e-a016-af0b-aae6-a030fa6c3619@citrix.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrew Cooper , Kai Huang , xen-devel@lists.xen.org Cc: jbeulich@suse.com List-Id: xen-devel@lists.xenproject.org CgpPbiA3LzE0LzIwMTcgNzozNyBQTSwgQW5kcmV3IENvb3BlciB3cm90ZToKPiBPbiAxMy8wNy8x NyAwNzo0MiwgSHVhbmcsIEthaSB3cm90ZToKPj4gT24gNy8xMi8yMDE3IDEwOjU2IFBNLCBBbmRy ZXcgQ29vcGVyIHdyb3RlOgo+Pj4gT24gMDkvMDcvMTcgMTA6MTAsIEthaSBIdWFuZyB3cm90ZToK Pj4+Cj4+PiBXaHkgZG8gd2UgbmVlZCB0aGlzIGhpZGVfZXBjIHBhcmFtZXRlcj8gIElmIHdlIGFy ZW4ndCBwcm92aWRpbmcgYW55IAo+Pj4gZXBjIHJlc291cmNlIHRvIHRoZSBndWVzdCwgdGhlIGVu dGlyZSBzZ3ggdW5pb24gc2hvdWxkIGJlIHplcm8gYW5kIAo+Pj4gdGhlIFNHWCBmZWF0dXJlIGJp dCBzaG91bGQgYmUgaGlkZGVuLgo+Pgo+PiBNeSBpbnRlbnRpb24gd2FzIHRvIGhpZGUgcGh5c2lj YWwgRVBDIGluZm8gZm9yIHB2X21heF9wb2xpY3kgYW5kIAo+PiBodm1fbWF4X3BvbGljeSAocmVj YWxjdWxhdGVfc2d4IGlzIGFsc28gY2FsbGVkIGJ5IAo+PiBjYWxjdWxhdGVfcHZfbWF4X3BvbGlj eSBhbmQgY2FsY3VsYXRlX2h2bV9tYXhfcG9saWN5KSwgYXMgdGhleSBhcmUgZm9yIAo+PiBndWVz dCBhbmQgZG9uJ3QgbmVlZCBwaHlzaWNhbCBFUEMgaW5mby4gQnV0IGtlZXBpbmcgcGh5c2ljYWwg RVBDIGluZm8gCj4+IGluIHRoZW0gZG9lcyBubyBoYXJtIHNvIEkgdGhpbmsgd2UgY2FuIHNpbXBs eSByZW1vdmUgaGlkZV9lcGMuCj4gCj4gSXQgaXMgbXkgZXhwZXJpZW5jZSB0aGF0IHByb3ZpZGlu ZyBoYWxmIHRoZSBpbmZvcm1hdGlvbiBpcyB3b3JzZSB0aGFuIAo+IHByb3ZpZGluZyBub25lIG9y IGFsbCBvZiBpdCwgYmVjYXVzZSBkZXZlbG9wZXJzIGFyZSBub3RvcmlvdXMgZm9yIHRha2luZyAK PiBzaG9ydGN1dHMgd2hlbiBsb29raW5nIGZvciBmZWF0dXJlcy4KPiAKPiBQYXRjaCAxIG1lYW5z IHRoYXQgYSBQViBndWVzdCB3aWxsIG5ldmVyIGhhdmUgcC0+ZmVhdC5zZ3ggc2V0LiAKPiBUaGVy ZWZvcmUsIHdlIHdpbGwgaGl0IHRoZSBtZW1zZXQoKSBiZWxvdywgYW5kIHplcm8gdGhlIHdob2xl IG9mIHRoZSBTR1ggCj4gdW5pb24uCgpZZXMgSSdsbCByZW1vdmUgaGlkZV9lcGMuIEl0IGlzIG5v dCBhYnNvbHV0ZWx5IG5lZWRlZC4KCj4gCj4+Cj4+IElNTyB3ZSBjYW5ub3QgY2hlY2sgd2hldGhl ciBFUEMgaXMgdmFsaWQgYW5kIHplcm8gc2d4IHVuaW9uIGluIAo+PiByZWNhbGN1bGF0ZV9zZ3gs IGFzIGl0IGlzIGNhbGxlZCBmb3IgZWFjaCBDUFVJRC4gRm9yIGV4YW1wbGUsIGl0IGlzIAo+PiBj YWxsZWQgZm9yIFNHWCBzdWJsZWFmIDAsIGFuZCAxLCBhbmQgdGhlbiAyLCBhbmQgd2hlbiBzdWJs ZWFmIDAgYW5kIDEgCj4+IGFyZSBjYWxsZWQsIHRoZSBFUEMgcmVzb3VyY2UgaXMgMCAoaGFzbid0 IGJlZW4gY29uZmlndXJlZCkuCj4gCj4gcmVjYWxjdWxhdGVfKigpIG9ubHkgZ2V0IGNhbGxlZCB3 aGVuIHRoZSB0b29sc3RhY2sgbWFrZXMgdXBkYXRlcyB0byB0aGUgCj4gcG9saWN5LiAgSXQgaXMg YW4gdW5mb3J0dW5hdGUgc2lkZSBlZmZlY3Qgb2YgdGhlIGN1cnJlbnQgaW1wbGVtZW50YXRpb24s IAo+IGJ1dCB3aWxsIGJlIGdvaW5nIGF3YXkgd2l0aCBteSBDUFVJRCB3b3JrLgo+IAo+IFRoZSBp bnRlbmRlZCBmbG93IHdpbGwgYmUgdGhpczoKPiAKPiBBdCBYZW4gYm9vdDoKPiAqIENhbGN1bGF0 ZXMgdGhlIHJhdywgaG9zdCBhbmQgbWF4IHBvbGljaWVzIChhcyB3ZSBkbyB0b2RheSkKPiAKPiBB dCBkb21haW4gY3JlYXRlOgo+ICogQXBwcm9wcmlhdGUgcG9saWN5IGdldHMgY29waWVkIHRvIG1h a2UgdGhlIGRlZmF1bHQgZG9tYWluIHBvbGljeS4KPiAqIFRvb2xzdGFjayBnZXRzIHRoZSB3aG9s ZSBwb2xpY3kgYXQgb25lIHdpdGggYSBuZXcgCj4gRE9NQ1RMX2dldF9jcHVpZF9wb2xpY3kgaHlw ZXJjYWxsLgo+ICogVG9vbHN0YWNrIG1ha2VzIGFsbCBhZGp1c3RtZW50cyAobG9jYWxseSkgdGhh dCBpdCB3YW50cyB0bywgYmFzZWQgb24gCj4gY29uZmlndXJhdGlvbiwgZXRjLgo+ICogVG9vbHN0 YWNrIG1ha2VzIGEgc2luZ2xlIERPTUNUTF9zZXRfY3B1aWRfcG9saWN5IGh5cGVyY2FsbC4KPiAq IFhlbiBhdWRpdHMgdGhlIG5ldyBwb2xpY3kgcHJvcG9zZWQgYnkgdGhlIHRvb2xzdGFjaywgcmVz dWx0aW5nIGluIGEgCj4gc2luZ2xlIHllcy9ubyBkZWNpc2lvbi4KPiAqKiBJZiBub3QsIHRoZSB0 b29sc3RhY2sgaXMgdG9sZCB0byB0cnkgYWdhaW4uICBUaGlzIHdpbGwgbGlrZWx5IHJlc3VsdCAK PiBpbiB4bCBhc2tpbmcgdGhlIHVzZXIgdG8gbW9kaWZ5IHRoZWlyIC5jZmcgZmlsZS4KPiAqKiBJ ZiB5ZXMsIHRoZSBwcm9wb3NlZCBwb2xpY3kgYmVjb21lcyB0aGUgYWN0dWFsIHBvbGljeS4KPiAK PiBUaGlzIHNjaGVtZSB3aWxsIGZpeCB0aGUgY3VycmVudCBwcm9ibGVtIHdlIGhhdmUgd2hlcmUg dGhlIHRvb2xzdGFjayAKPiBibGluZGx5IHByb3Bvc2VzIGNoYW5nZXMgKG9uZSBsZWFmIGF0IGEg dGltZSksIGFuZCBYZW4gaGFzIHRvIHplcm8gdGhlIAo+IGJpdHMgaXQgZG9lc24ndCBsaWtlIChi ZWNhdXNlIHRoZSB0b29sc3RhY2sgaGFzIG5ldmVyIHRyYWRpdGlvbmFsbHkgCj4gY2hlY2tlZCB0 aGUgcmV0dXJuIHZhbHVlIG9mIHRoZSBoeXBlcmNhbGwgOiggKQoKVGhpcyBpcyBhY3R1YWxseSB3 aGF0IEkgd2FzIGxvb2tpbmcgZm9yIHdoZW4gaW1wbGVtZW50aW5nIENQVUlEIHN1cHBvcnQgCmZv ciBTR1guIEkgdGhpbmsgSSdsbCB3YWl0IGZvciB5b3VyIHdvcmsgdG8gYmUgbWVyZ2VkIHRvIFhl biBhbmQgdGhlbiBkbyAKbXkgd29yayBhYm92ZSB5b3VyIHdvcmsuIDopCgpUaGFua3MsCi1LYWkK Cj4gCj4+Cj4+Cj4+Pgo+Pj4+ICsKPj4+PiArICAgICAgICAgICAgLyogU3VibGVhZiAyLiAqLwo+ Pj4+ICsgICAgICAgICAgICB1aW50MzJfdCBiYXNlX3ZhbGlkOjEsIDoxMSwgYmFzZV9wZm5fbG93 OjIwOwo+Pj4+ICsgICAgICAgICAgICB1aW50MzJfdCBiYXNlX3Bmbl9oaWdoOjIwLCA6MTI7Cj4+ Pj4gKyAgICAgICAgICAgIHVpbnQzMl90IHNpemVfdmFsaWQ6MSwgOjExLCBucGFnZXNfbG93OjIw Owo+Pj4+ICsgICAgICAgICAgICB1aW50MzJfdCBucGFnZXNfaGlnaDoyMCwgOjEyOwo+Pj4+ICsg ICAgICAgIH07Cj4+Pgo+Pj4gQXJlIHRoZSB7YmFzZSxzaXplfV92YWxpZCBmaWVsZHMgY29ycmVj dD8gIFRoZSBtYW51YWwgc2F5cyB0aGUgYXJlIAo+Pj4gNC1iaXQgZmllbGRzIHJhdGhlciB0aGFu IHNpbmdsZSBiaXQgZmllbGRzLgo+Pgo+PiBUaGV5IGFyZSA0IGJpdHMgaW4gU0RNIGJ1dCBhY3R1 YWxseSBjdXJyZW50bHkgb25seSBiaXQgMSBpcyB2YWxpZCAKPj4gKG90aGVyIHZhbHVlcyBhcmUg cmVzZXJ2ZWQpLiBJIHRoaW5rIGZvciBub3cgYm9vbCBiYXNlX3ZhbGlkIHNob3VsZCBiZSAKPj4g ZW5vdWdoLiBXZSBjYW4gZXh0ZW5kIHdoZW4gbmV3IHZhbHVlcyBjb21lIG91dC4gV2hhdCdzIHlv dXIgc3VnZ2VzdGlvbj8KPiAKPiBPay4gIFRoYXQgY2FuIHdvcmsgZm9yIG5vdy4KPiAKPj4KPj4+ Cj4+PiBJIHdvdWxkIGFsc28gZHJvcCB0aGUgX3BmbiBmcm9tIHRoZSBiYXNlIG5hbWVzLiAgVGhl IGZpZWxkcyBzdGlsbCAKPj4+IG5lZWQgc2hpZnRpbmcgdG8gZ2V0IGEgc2Vuc2libGUgdmFsdWUu Cj4+Cj4+IE9LLiBXaWxsIGRvLgo+IAo+IEFzIGEgZnVydGhlciB0aG91Z2h0LCB3aGF0IGFib3V0 IHVpbnQ2NF90IGJhc2U6NDAgYW5kIHNpemU6NDA/ICBUaGF0IAo+IHdvdWxkIHJlZHVjZSB0aGUg Y29tcGxleGl0eSBvZiBjYWxjdWxhdGluZyB0aGUgdmFsdWVzLgo+IAo+IH5BbmRyZXcKPiAKPiBf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IFhlbi1kZXZl bCBtYWlsaW5nIGxpc3QKPiBYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwo+IGh0dHBzOi8vbGlzdHMu eGVuLm9yZy94ZW4tZGV2ZWwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcK aHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=