From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chao Gao Subject: Re: [PATCH] x86/apicv: enhance posted-interrupt processing Date: Thu, 23 Feb 2017 16:37:38 +0800 Message-ID: <20170223083738.GA19766@skl-2s3.sh.intel.com> References: <20170217084904.GA43546@skl-2s3.sh.intel.com> <58A733C3020000780013B652@prv-mh.provo.novell.com> <58AEC07D020000780013D215@prv-mh.provo.novell.com> <58AECF09020000780013D29A@prv-mh.provo.novell.com> 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" , KevinTian , "quan.xu0@gmail.com" , Jan Beulich , Andrew Cooper , "xen-devel@lists.xen.org" , Jun Nakajima List-Id: xen-devel@lists.xenproject.org T24gVGh1LCBGZWIgMjMsIDIwMTcgYXQgMTE6NTU6MTVBTSArMDAwMCwgWHVxdWFuIChRdWFuIFh1 KSB3cm90ZToKPk9uIEZlYnJ1YXJ5IDIzLCAyMDE3IDc6MDEgUE0sIEphbiBCZXVsaWNoIHdyb3Rl Ogo+Pj4+PiBPbiAyMy4wMi4xNyBhdCAxMTo1MywgPHh1cXVhbjhAaHVhd2VpLmNvbT4gd3JvdGU6 Cj4+PiBPbiBGZWJydWFyeSAyMywgMjAxNyA1OjU5IFBNLCBKYW4gQmV1bGljaCB3cm90ZToKPj4+ Pj4+PiBPbiAyMy4wMi4xNyBhdCAxMDoyOCwgPHh1cXVhbjhAaHVhd2VpLmNvbT4gd3JvdGU6Cj4+ Pj4+IE9uIEZlYnJ1YXJ5IDE4LCAyMDE3IDEyOjMzIEFNLCBKYW4gQmV1bGljaCB3cm90ZToKPj4+ Pj4+Pj4+IE9uIDE3LjAyLjE3IGF0IDA5OjQ5LCA8Y2hhby5nYW9AaW50ZWwuY29tPiB3cm90ZToK Pj4+Pj4+Pj5kaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L2h2bS92bXgvdm14LmMKPj4+PmIveGVu L2FyY2gveDg2L2h2bS92bXgvdm14LmMKPj4+Pj4+Pj5pbmRleCA2MTkyNWNmLi4zODg3YzMyIDEw MDY0NAo+Pj4+Pj4+Pi0tLSBhL3hlbi9hcmNoL3g4Ni9odm0vdm14L3ZteC5jCj4+Pj4+Pj4+Kysr IGIveGVuL2FyY2gveDg2L2h2bS92bXgvdm14LmMKPj4+Pj4+Pj5AQCAtMTg0Niw4ICsxODQ2LDcg QEAgc3RhdGljIHZvaWQKPj4+Pj4+X192bXhfZGVsaXZlcl9wb3N0ZWRfaW50ZXJydXB0KHN0cnVj dCB2Y3B1ICp2KQo+Pj4+Pj4+PiAgICAgewo+Pj4+Pj4+PiAgICAgICAgIHVuc2lnbmVkIGludCBj cHUgPSB2LT5wcm9jZXNzb3I7Cj4+Pj4+Pj4+Cj4+Pj4+Pj4+LSAgICAgICAgaWYgKCAhdGVzdF9h bmRfc2V0X2JpdChWQ1BVX0tJQ0tfU09GVElSUSwKPj4+Pj4+JnNvZnRpcnFfcGVuZGluZyhjcHUp KQo+Pj4+Pj4+Pi0gICAgICAgICAgICAgJiYgKGNwdSAhPSBzbXBfcHJvY2Vzc29yX2lkKCkpICkK Pj4+Pj4+Pj4rICAgICAgICBpZiAoICFzb2Z0aXJxX3BlbmRpbmcoY3B1KSAmJiAoY3B1ICE9IHNt cF9wcm9jZXNzb3JfaWQoKSkKPj4+Pj4+Pj4rICkKPj4+Pj4KPj4+Pj4gSmFuLAo+Pj4+PiAgICAg Y291bGQgeW91IGhlbHAgbWUgcHJlc2VudCB0aGUgZGVmaW5pdGlvbiBvZiAnIHNtcF9wcm9jZXNz b3JfaWQoKScKPj5hbmQgJwo+Pj4+PiBjdXJyZW50JyBpbiBfX3ZteF9kZWxpdmVyX3Bvc3RlZF9p bnRlcnJ1cHQoKSA/IHRoYW5rcy4uCj4+Pj4KPj4+PkknbSBhZnJhaWQgSSBkb24ndCB1bmRlcnN0 YW5kIHRoZSByZXF1ZXN0Lgo+Pj4KPj4+IElPVywKPj4+ICB3aGljaCB2Y3B1IGRvZXMgdGhlICdj dXJyZW50JyByZWZlciB0bz8KPj4+ICB3aGljaCBjcHUgZG9lcyB0aGUgJyBzbXBfcHJvY2Vzc29y X2lkKCknIHJlZmVyIHRvPwo+Pgo+PmN1cnJlbnQ6IGN1cnJlbnRseSBydW5uaW5nIHZDUFUKPgo+ aW4gYSBTTVAgbWFjaGluZSwgYXJlIHRoZXJlIG1vcmUgdGhhbiBvbmUgY3VycmVudGx5IHJ1bm5p bmcgdkNQVT8KPkkgdGhpbmsgc28sIHRoZSBjb25kaXRpb24gImlmICggcnVubmluZyAmJiAoaW5f aXJxKCkgfHwgKHYgIT0gY3VycmVudCkpICkiLCBpbiBfX3ZteF9kZWxpdmVyX3Bvc3RlZF9pbnRl cnJ1cHQoKSBsb29rcyBzdHJhbmdlIC0tIHdoZW4gdkNQVSBpcyBydW5uaW5nLCB3aHkgdG8gY2hl Y2sgJyB2ICE9IGN1cnJlbnQgJy4uCj4KPgo+PnNtcF9wcm9jZXNzb3JfaWQoKTogcHJvY2Vzc29y IElEIG9mIHRoZSBDUFUgd2UncmUgcnVubmluZyBvbgo+Pgo+SSB0aGluayBpZiB2Y3B1IGlzIHJ1 bm5pbmcsICcgY3B1ICE9IHNtcF9wcm9jZXNzb3JfaWQoKSAnIHNob3VsZCBiZSB0cnVlLgo+CgpJ IGFtIGFmcmFpZCBpdCBpcyBub3QgcmlnaHQuIHdoZW4gdGhlICdjdXJyZW50JyB3YW50cyB0byBk ZWxpdmVyIHBvc3RlZAppbnRlcnJ1cHQgdG8gJ2N1cnJlbnQnLCB0aGUgdmNwdSBpcyBydW5uaW5n IGFuZCBjcHUgPT0gc21wX3Byb2Nlc3Nvcl9pZCgpLiAgCgo+Cj5JIHRoaW5rIHdlIGNvdWxkIHNp bXBsaWZ5IF9fdm14X2RlbGl2ZXJfcG9zdGVkX2ludGVycnVwdCgpOgo+Cj4gICAxLiBzZXQgVkNQ VV9LSUNLX1NPRlRJUlEgYml0IG9mIHYtPnByb2Nlc3Nvci4KCkRvIHdlIG5lZWQgc2V0IFZDUFVf S0lDS19TT0ZUSVJRIGJpdCB3aGVuIHZjcHUgaXMgbm90IHJ1bm5pbmc/IElNTywgaWYgdmNwdSBp cwpub3QgcnVubmluZywganVzdCB1bmJsb2NrIChvciwgdmNwdV9raWNrIHNpbmNlIHdoZW4gdmNw dSBpcyBub3QgcnVubmluZywKdmNwdV9raWNrIGlzIHRoZSBzYW1lIHdpdGggdmNwdV91bmJsb2Nr IClpcyBlbm91Z2guCgo+ICAgMi4gSUYgdmNwdSBpcyBydW5uaW5nOgo+ICAgICAgICAgLSBzZW5k X0lQSQoKRG8gd2UgbmVlZCBzZW5kIHNlbGYtSVBJIHdoZW4gdGhlIHRhcmdldCB2Y3B1IGlzICdj dXJyZW50Jz8gSU1PLCBzZXQKVkNQVV9LSUNLX1NPRlRJUVIgaXMgZW5vdWdoLiAgCgo+ICAgICBF TFNFCj4gICAgICAgICAtIHZjcHVfa2ljawo+Cj4KPlRoYW5rIHlvdSBmb3IgeW91ciBwYXRpZW5j ZS4uCj5RdWFuCj4KPgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRw czovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==