From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kang, Luwei" Subject: Re: [PATCH] x86/cpuid: AVX-512 Feature Detection Date: Tue, 28 Jun 2016 08:10:31 +0000 Message-ID: <82D7661F83C1A047AF7DC287873BF1E136ADEE68@SHSMSX101.ccr.corp.intel.com> References: <1467093106-3444-1-git-send-email-luwei.kang@intel.com> <5772482402000078000F9535@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5772482402000078000F9535@prv-mh.provo.novell.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: Jan Beulich Cc: "andrew.cooper3@citrix.com" , "Peng, Chao P" , "Wang, Yong Y" , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org VGhhbmtzIGZvciB5b3VyIGFkdmljZSwgSSB3aWxsICBtYWtlIGEgY2hhbmdlIHJpZ2h0IG5vdy4K CgotLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQpGcm9tOiBKYW4gQmV1bGljaCBbbWFpbHRvOkpC ZXVsaWNoQHN1c2UuY29tXSAKU2VudDogVHVlc2RheSwgSnVuZSAyOCwgMjAxNiAzOjQ5IFBNClRv OiBLYW5nLCBMdXdlaSA8bHV3ZWkua2FuZ0BpbnRlbC5jb20+CkNjOiBhbmRyZXcuY29vcGVyM0Bj aXRyaXguY29tOyBQZW5nLCBDaGFvIFAgPGNoYW8ucC5wZW5nQGludGVsLmNvbT47IFdhbmcsIFlv bmcgWSA8eW9uZy55LndhbmdAaW50ZWwuY29tPjsgeGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKU3Vi amVjdDogUmU6IFtQQVRDSF0geDg2L2NwdWlkOiBBVlgtNTEyIEZlYXR1cmUgRGV0ZWN0aW9uCgo+ Pj4gT24gMjguMDYuMTYgYXQgMDc6NTEsIDxsdXdlaS5rYW5nQGludGVsLmNvbT4gd3JvdGU6Cj4g LS0tIGEveGVuL2FyY2gveDg2L2h2bS9odm0uYwo+ICsrKyBiL3hlbi9hcmNoL3g4Ni9odm0vaHZt LmMKPiBAQCAtMzQ3NCw2ICszNDc0LDE0IEBAIHZvaWQgaHZtX2NwdWlkKHVuc2lnbmVkIGludCBp bnB1dCwgdW5zaWduZWQgaW50ICplYXgsIHVuc2lnbmVkIGludCAqZWJ4LAo+ICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgeHN0YXRlX3NpemVzW19YU1RBVEVfQk5EQ1NSXSk7Cj4g ICAgICAgICAgICAgIH0KPiAgCj4gKyAgICAgICAgICAgIGlmICggX2VieCAmIGNwdWZlYXRfbWFz ayhYODZfRkVBVFVSRV9BVlg1MTJGKSApCj4gKyAgICAgICAgICAgIHsKPiArICAgICAgICAgICAg ICAgIHhmZWF0dXJlX21hc2sgfD0gWFNUQVRFX09QTUFTSyB8IFhTVEFURV9aTU0gfCBYU1RBVEVf SElfWk1NOwo+ICsgICAgICAgICAgICAgICAgeHN0YXRlX3NpemUgPSBtYXgoeHN0YXRlX3NpemUs Cj4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICB4c3RhdGVfb2Zmc2V0c1tfWFNU QVRFX0hJX1pNTV0gKwo+ICsgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgeHN0YXRl X3NpemVzW19YU1RBVEVfSElfWk1NXSk7CgpJIHRoaW5rIHRoaXMgd291bGQgYmV0dGVyIGJlIHRo cmVlIHN1Y2ggc3RhdGVtZW50cywgb25lIHBlciBiaXQuCk90aGVyd2lzZSB0aGUgZ29hbCBvZiBu b3QgcHV0dGluZyBpbiBhc3N1bXB0aW9ucyBvbiB0aGUgcmVsYXRpdmUgb3JkZXJpbmcgb2YgYml0 cyBhbmQgc2F2ZSBhcmVhIHJhbmdlcyBnZXRzIHVuZGVybWluZWQuCgo+IEBAIC0xMTM2LDkgKzEx MzYsMTYgQEAgdm9pZCBwdl9jcHVpZChzdHJ1Y3QgY3B1X3VzZXJfcmVncyAqcmVncykKPiAgICAg IGNhc2UgWFNUQVRFX0NQVUlEOgo+ICAKPiAgICAgICAgICBpZiAoICFpc19jb250cm9sX2RvbWFp bihjdXJyZCkgJiYgIWlzX2hhcmR3YXJlX2RvbWFpbihjdXJyZCkgCj4gKQo+ICsgICAgICAgIHsK PiAgICAgICAgICAgICAgZG9tYWluX2NwdWlkKGN1cnJkLCAxLCAwLCAmdG1wLCAmdG1wLCAmX2Vj eCwgJnRtcCk7Cj4gKyAgICAgICAgICAgIGRvbWFpbl9jcHVpZChjdXJyZCwgMHgwNywgMCwgJnRt cCwgJl9lYngsICZ0bXAsICZ0bXApOwoKVGhlIG5laWdoYm9yaW5nIGxpbmUgdGVsbHMgeW91IHRo YXQgdGhpcyBzaG91bGQgYmUgNyBpbnN0ZWFkIG9mIDB4MDcuCgo+IC0tLSBhL3hlbi9pbmNsdWRl L3B1YmxpYy9hcmNoLXg4Ni9jcHVmZWF0dXJlc2V0LmgKPiArKysgYi94ZW4vaW5jbHVkZS9wdWJs aWMvYXJjaC14ODYvY3B1ZmVhdHVyZXNldC5oCj4gQEAgLTIwNiwxNSArMjA2LDI0IEBAIFhFTl9D UFVGRUFUVVJFKFBRTSwgICAgICAgICAgIDUqMzIrMTIpIC8qICAgUGxhdGZvcm0gUW9TIE1vbml0 b3JpbmcgKi8KPiAgWEVOX0NQVUZFQVRVUkUoTk9fRlBVX1NFTCwgICAgNSozMisxMykgLyohICBG UFUgQ1MvRFMgc3RvcmVkIGFzIHplcm8gKi8KPiAgWEVOX0NQVUZFQVRVUkUoTVBYLCAgICAgICAg ICAgNSozMisxNCkgLypTICBNZW1vcnkgUHJvdGVjdGlvbiBFeHRlbnNpb25zICovCj4gIFhFTl9D UFVGRUFUVVJFKFBRRSwgICAgICAgICAgIDUqMzIrMTUpIC8qICAgUGxhdGZvcm0gUW9TIEVuZm9y Y2VtZW50ICovCj4gK1hFTl9DUFVGRUFUVVJFKEFWWDUxMkYsICAgICAgIDUqMzIrMTYpIC8qQSAg QVZYLTUxMiBGb3VuZGF0aW9uIEluc3RydWN0aW9ucyAqLwo+ICtYRU5fQ1BVRkVBVFVSRShBVlg1 MTJEUSwgICAgICA1KjMyKzE3KSAvKkEgIEFWWC01MTIgRG91Ymxld29yZCAmIFF1YWR3b3JkIElu c3RycyAqLwo+ICBYRU5fQ1BVRkVBVFVSRShSRFNFRUQsICAgICAgICA1KjMyKzE4KSAvKkEgIFJE U0VFRCBpbnN0cnVjdGlvbiAqLwo+ICBYRU5fQ1BVRkVBVFVSRShBRFgsICAgICAgICAgICA1KjMy KzE5KSAvKkEgIEFEQ1gsIEFET1ggaW5zdHJ1Y3Rpb25zICovCj4gIFhFTl9DUFVGRUFUVVJFKFNN QVAsICAgICAgICAgIDUqMzIrMjApIC8qUyAgU3VwZXJ2aXNvciBNb2RlIEFjY2VzcyBQcmV2ZW50 aW9uICovCj4gK1hFTl9DUFVGRUFUVVJFKEFWWDUxMklGTUEsICAgIDUqMzIrMjEpIC8qQSAgQVZY LTUxMiBJbnRlZ2VyIEZ1c2VkIE11bHRpcGx5IEFkZCAqLwo+ICBYRU5fQ1BVRkVBVFVSRShDTEZM VVNIT1BULCAgICA1KjMyKzIzKSAvKkEgIENMRkxVU0hPUFQgaW5zdHJ1Y3Rpb24gKi8KPiAgWEVO X0NQVUZFQVRVUkUoQ0xXQiwgICAgICAgICAgNSozMisyNCkgLypBICBDTFdCIGluc3RydWN0aW9u ICovCj4gK1hFTl9DUFVGRUFUVVJFKEFWWDUxMlBGLCAgICAgIDUqMzIrMjYpIC8qQSAgQVZYLTUx MiBQcmVmZXRjaCBJbnN0cnVjdGlvbnMgKi8KPiArWEVOX0NQVUZFQVRVUkUoQVZYNTEyRVIsICAg ICAgNSozMisyNykgLypBICBBVlgtNTEyIEV4cG9uZW50ICYgUmVjaXByb2NhbCBJbnN0cnMgKi8K PiArWEVOX0NQVUZFQVRVUkUoQVZYNTEyQ0QsICAgICAgNSozMisyOCkgLypBICBBVlgtNTEyIENv bmZsaWN0IERldGVjdGlvbiBJbnN0cnMgKi8KPiAgWEVOX0NQVUZFQVRVUkUoU0hBLCAgICAgICAg ICAgNSozMisyOSkgLypBICBTSEExICYgU0hBMjU2IGluc3RydWN0aW9ucyAqLwo+ICtYRU5fQ1BV RkVBVFVSRShBVlg1MTJCVywgICAgICA1KjMyKzMwKSAvKkEgIEFWWC01MTIgQnl0ZSBhbmQgV29y ZCBJbnN0cnVjdGlvbnMgKi8KPiArWEVOX0NQVUZFQVRVUkUoQVZYNTEyVkwsICAgICAgNSozMisz MSkgLypBICBBVlgtNTEyIFZlY3RvciBMZW5ndGggRXh0ZW5zaW9ucyAqLwo+ICAKPiAgLyogSW50 ZWwtZGVmaW5lZCBDUFUgZmVhdHVyZXMsIENQVUlEIGxldmVsIDB4MDAwMDAwMDc6MC5lY3gsIHdv cmQgNiAqLwo+ICBYRU5fQ1BVRkVBVFVSRShQUkVGRVRDSFdUMSwgICA2KjMyKyAwKSAvKkEgIFBS RUZFVENIV1QxIGluc3RydWN0aW9uICovCj4gK1hFTl9DUFVGRUFUVVJFKEFWWDUxMlZCTUksICAg IDYqMzIrIDEpIC8qQSAgQVZYLTUxMiBWZWN0b3IgQnl0ZSBNYW5pcHVsYXRpb24gSW5zdHJzICov Cj4gIFhFTl9DUFVGRUFUVVJFKFBLVSwgICAgICAgICAgIDYqMzIrIDMpIC8qSCAgUHJvdGVjdGlv biBLZXlzIGZvciBVc2Vyc3BhY2UgKi8KPiAgWEVOX0NQVUZFQVRVUkUoT1NQS0UsICAgICAgICAg NiozMisgNCkgLyohICBPUyBQcm90ZWN0aW9uIEtleXMgRW5hYmxlICovCgpUaGlzIGxhY2tzIGFu IGFkanVzdG1lbnQgdG8gdGhlIGRlcGVuZGVuY2llcyBiZXR3ZWVuIGZlYXR1cmVzIGluIHhlbi90 b29scy9nZW4tY3B1aWQucHkuCgpKYW4KCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54 ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=