From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Gao Subject: Re: [PATCH] x86/apicv: enhance posted-interrupt processing Date: Fri, 17 Feb 2017 16:49:04 +0800 Message-ID: <20170217084904.GA43546@skl-2s3.sh.intel.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: "Xuquan (Quan Xu)" Cc: "yang.zhang.wz@gmail.com" , "Tian, Kevin" , "quan.xu0@gmail.com" , Jan Beulich , Andrew Cooper , "xen-devel@lists.xen.org" , Jun Nakajima List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBGZWIgMTcsIDIwMTcgYXQgMDk6Mzc6NDVBTSArMDAwMCwgWHVxdWFuIChRdWFuIFh1 KSB3cm90ZToKPkZyb20gYTU4OTA3NDI4MWNjMjJhMzBlZDc1YTViY2NiYTYwZTgzZDIzMTJhNiBN b24gU2VwIDE3IDAwOjAwOjAwIDIwMDEKPkZyb206IFF1YW4gWHUgPHh1cXVhbjhAaHVhd2VpLmNv bT4KPkRhdGU6IFNhdCwgMTggRmViIDIwMTcgMDk6Mjc6MzcgKzA4MDAKPlN1YmplY3Q6IFtQQVRD SF0geDg2L2FwaWN2OiBlbmhhbmNlIHBvc3RlZC1pbnRlcnJ1cHQgcHJvY2Vzc2luZwo+Cj5JZiBn dWVzdCBpcyBhbHJlYWR5IGluIG5vbi1yb290IG1vZGUsIGFuIHBvc3RlZCBpbnRlcnJ1cHQgd2ls bAo+YmUgZGlyZWN0bHkgZGVsaXZlcmVkIHRvIGd1ZXN0IChsZWF2aW5nIHNvZnRpcnEgYmVpbmcg c2V0IHcvbwo+YWN0dWFsbHkgaW5jdXJyaW5nIGEgVk0tRXhpdCAtIGJyZWFraW5nIGRlc2lyZWQg c29mdGlycSBiZWhhdmlvcikuCj5UaGVuIGZ1cnRoZXIgcG9zdGVkIGludGVycnVwdHMgd2lsbCBz a2lwIHRoZSBJUEksIHN0YXkgaW4gUElSIGFuZAo+bm90IG5vdGVkIHVudGlsIGFub3RoZXIgVk0t RXhpdCBoYXBwZW5zLgo+Cj5SZW1vdmUgdGhlIHNvZnRpcnEgc2V0LiBBY3R1YWxseSBzaW5jZSBp dCdzIGFuIG9wdGltaXphdGlvbiBmb3IKPmxlc3MgSVBJcywgY2hlY2sgc29mdGlycV9wZW5kaW5n KGNwdSkgZGlyZWN0bHkgaW5zdGVhZCBvZiBzdGlja2luZwo+dG8gb25lIGJpdCBvbmx5Lgo+Cj5T aWduZWQtb2ZmLWJ5OiBRdWFuIFh1IDx4dXF1YW44QGh1YXdlaS5jb20+Cj4tLS0KPiB4ZW4vYXJj aC94ODYvaHZtL3ZteC92bXguYyB8IDMgKy0tCj4gMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9u KCspLCAyIGRlbGV0aW9ucygtKQo+Cj5kaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L2h2bS92bXgv dm14LmMgYi94ZW4vYXJjaC94ODYvaHZtL3ZteC92bXguYwo+aW5kZXggNjE5MjVjZi4uMzg4N2Mz MiAxMDA2NDQKPi0tLSBhL3hlbi9hcmNoL3g4Ni9odm0vdm14L3ZteC5jCj4rKysgYi94ZW4vYXJj aC94ODYvaHZtL3ZteC92bXguYwo+QEAgLTE4NDYsOCArMTg0Niw3IEBAIHN0YXRpYyB2b2lkIF9f dm14X2RlbGl2ZXJfcG9zdGVkX2ludGVycnVwdChzdHJ1Y3QgdmNwdSAqdikKPiAgICAgewo+ICAg ICAgICAgdW5zaWduZWQgaW50IGNwdSA9IHYtPnByb2Nlc3NvcjsKPgo+LSAgICAgICAgaWYgKCAh dGVzdF9hbmRfc2V0X2JpdChWQ1BVX0tJQ0tfU09GVElSUSwgJnNvZnRpcnFfcGVuZGluZyhjcHUp KQo+LSAgICAgICAgICAgICAmJiAoY3B1ICE9IHNtcF9wcm9jZXNzb3JfaWQoKSkgKQo+KyAgICAg ICAgaWYgKCAhc29mdGlycV9wZW5kaW5nKGNwdSkgJiYgKGNwdSAhPSBzbXBfcHJvY2Vzc29yX2lk KCkpICkKSEksIFF1YW4uCklzIHRoZXJlIGEgc2l0dWF0aW9uIHRoYXQgd2UgbmVlZCBzZXQgVkNQ VV9LSUNLX1NPRlRJUlEuIEZvciBleGFtcGxlLAphZnRlciB2bXhfaW50cl9hc3Npc3QoKSwgYSBp bnRlcnJ1cHQgaGFwcGVuZWQgYW5kIGl0cyBoYW5kbGVyIGNhbGxlZCB0aGlzCmZ1bmN0aW9uIHRv IGRlbGl2ZXIgaW50ZXJydXB0IHRvIGN1cnJlbnQgdmNwdS4gSW4gdGhhdCBjYXNlLCB0aGUgaW50 ZXJydXB0CndvdWxkIG5vdCBiZSBpbmplY3RlZCB0byBndWVzdCBiZWZvcmUgdGhpcyBWTS1lbnRy eSBmb3Igd2UgZG9uJ3QgZ2VuZXJhdGUgYQpzb2Z0aXJxIGFuZCBkb24ndCBzZW5kIGEgc2VsZi1J UEkgdG8gY3VycmVudCB2Y3B1LgoKVGhhbmtzLApDaGFvCj4gICAgICAgICAgICAgc2VuZF9JUElf bWFzayhjcHVtYXNrX29mKGNwdSksIHBvc3RlZF9pbnRyX3ZlY3Rvcik7Cj4gICAgIH0KPiB9Cj4t LQo+MS44LjMuMQoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBz Oi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK