From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH v3 07/15] x86/IRQ: target online CPUs when binding guest IRQ Date: Mon, 20 May 2019 09:17:19 -0600 Message-ID: <5CE2C4FF0200007800230ABF@prv1-mh.provo.novell.com> References: <5CC6DD090200007800229E80@prv1-mh.provo.novell.com> <5CDE8F5B020000780023005F@prv1-mh.provo.novell.com> <5CDE917502000078002300A8@prv1-mh.provo.novell.com> <20190520114006.jh3l4kg4abdaekb5@Air-de-Roger> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hSk2Y-0003wR-RE for xen-devel@lists.xenproject.org; Mon, 20 May 2019 15:17:26 +0000 In-Reply-To: <20190520114006.jh3l4kg4abdaekb5@Air-de-Roger> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Roger Pau Monne Cc: Andrew Cooper , Wei Liu , xen-devel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDIwLjA1LjE5IGF0IDEzOjQwLCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdyb3RlOgo+ IE9uIEZyaSwgTWF5IDE3LCAyMDE5IGF0IDA0OjQ4OjIxQU0gLTA2MDAsIEphbiBCZXVsaWNoIHdy b3RlOgo+PiBmaXh1cF9pcnFzKCkgc2tpcHMgaW50ZXJydXB0cyB3aXRob3V0IGFjdGlvbi4gSGVu Y2Ugc3VjaCBpbnRlcnJ1cHRzIGNhbgo+PiByZXRhaW4gYWZmaW5pdHkgdG8ganVzdCBvZmZsaW5l IENQVXMuIFdpdGggIm5vaXJxYmFsYW5jZSIgaW4gZWZmZWN0LAo+PiBwaXJxX2d1ZXN0X2JpbmQo KSBzbyBmYXIgd291bGQgaGF2ZSBsZWZ0IHRoZW0gYWxvbmUsIHJlc3VsdGluZyBpbiBhIG5vbi0K Pj4gd29ya2luZyBpbnRlcnJ1cHQuCj4+IAo+PiBTaWduZWQtb2ZmLWJ5OiBKYW4gQmV1bGljaCA8 amJldWxpY2hAc3VzZS5jb20+Cj4+IC0tLQo+PiB2MzogTmV3Lgo+PiAtLS0KPj4gSSd2ZSBub3Qg b2JzZXJ2ZWQgdGhpcyBwcm9ibGVtIGluIHByYWN0aWNlIC0gdGhlIGNoYW5nZSBpcyBqdXN0IHRo ZQo+PiByZXN1bHQgb2YgY29kZSBpbnNwZWN0aW9uIGFmdGVyIGhhdmluZyBub3RpY2VkIGFjdGlv bi1sZXNzIElSUXMgaW4gJ2knCj4+IGRlYnVnIGtleSBvdXRwdXQgcG9pbnRpbmcgYXQgYWxsIHBh cmtlZC9vZmZsaW5lIENQVXMuCj4+IAo+PiAtLS0gYS94ZW4vYXJjaC94ODYvaXJxLmMKPj4gKysr IGIveGVuL2FyY2gveDg2L2lycS5jCj4+IEBAIC0xNjgzLDkgKzE2ODMsMjcgQEAgaW50IHBpcnFf Z3Vlc3RfYmluZChzdHJ1Y3QgdmNwdSAqdiwgc3RydQo+PiAgCj4+ICAgICAgICAgIGRlc2MtPnN0 YXR1cyB8PSBJUlFfR1VFU1Q7Cj4+ICAKPj4gLSAgICAgICAgLyogQXR0ZW1wdCB0byBiaW5kIHRo ZSBpbnRlcnJ1cHQgdGFyZ2V0IHRvIHRoZSBjb3JyZWN0IENQVS4gKi8KPj4gLSAgICAgICAgaWYg KCAhb3B0X25vaXJxYmFsYW5jZSAmJiAoZGVzYy0+aGFuZGxlci0+c2V0X2FmZmluaXR5ICE9IE5V TEwpICkKPj4gLSAgICAgICAgICAgIGRlc2MtPmhhbmRsZXItPnNldF9hZmZpbml0eShkZXNjLCBj cHVtYXNrX29mKHYtPnByb2Nlc3NvcikpOwo+PiArICAgICAgICAvKgo+PiArICAgICAgICAgKiBB dHRlbXB0IHRvIGJpbmQgdGhlIGludGVycnVwdCB0YXJnZXQgdG8gdGhlIGNvcnJlY3QgKG9yIGF0 IGxlYXN0Cj4+ICsgICAgICAgICAqIHNvbWUgb25saW5lKSBDUFUuCj4+ICsgICAgICAgICAqLwo+ PiArICAgICAgICBpZiAoIGRlc2MtPmhhbmRsZXItPnNldF9hZmZpbml0eSApCj4+ICsgICAgICAg IHsKPj4gKyAgICAgICAgICAgIGNvbnN0IGNwdW1hc2tfdCAqYWZmaW5pdHkgPSBOVUxMOwo+PiAr Cj4+ICsgICAgICAgICAgICBpZiAoICFvcHRfbm9pcnFiYWxhbmNlICkKPj4gKyAgICAgICAgICAg ICAgICBhZmZpbml0eSA9IGNwdW1hc2tfb2Yodi0+cHJvY2Vzc29yKTsKPj4gKyAgICAgICAgICAg IGVsc2UgaWYgKCAhY3B1bWFza19pbnRlcnNlY3RzKGRlc2MtPmFmZmluaXR5LCAmY3B1X29ubGlu ZV9tYXApICkKPj4gKyAgICAgICAgICAgIHsKPj4gKyAgICAgICAgICAgICAgICBjcHVtYXNrX3Nl dGFsbChkZXNjLT5hZmZpbml0eSk7Cj4+ICsgICAgICAgICAgICAgICAgYWZmaW5pdHkgPSAmY3B1 bWFza19hbGw7Cj4+ICsgICAgICAgICAgICB9Cj4+ICsgICAgICAgICAgICBlbHNlIGlmICggIWNw dW1hc2tfaW50ZXJzZWN0cyhkZXNjLT5hcmNoLmNwdV9tYXNrLAo+PiArICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgJmNwdV9vbmxpbmVfbWFwKSApCj4gCj4gSSdtIG5v dCBzdXJlIEkgc2VlIHRoZSBwdXJwb3NlIG9mIHRoZSBkZXNjLT5hcmNoLmNwdV9tYXNrIGNoZWNr LAo+IHdvdWxkbid0IGl0IGJlIGJldHRlciB0byBqdXN0IHVzZSBlbHNlIGFuZCBzZXQgdGhlIGFm ZmluaXR5IHRvCj4gZGVzYy0+YWZmaW5pdHk/CgpXZSBzaG91bGQgYXZvaWQgY2xvYmJlcmluZyBk ZXNjLT5hZmZpbml0eSB3aGVuZXZlciBwb3NzaWJsZTogSXQKcmVmbGVjdHMgKHNlZSB0aGUgcmVz cGVjdGl2ZSBwYXRjaCBpbiB0aGlzIHNlcmllcykgd2hhdCB3YXMKcmVxdWVzdGVkIGJ5IHdoYXRl dmVyICJvdXRzaWRlIiBwYXJ0eS4KCj4gT3IgaXQncyBqdXN0IGFuIG9wdGltaXphdGlvbiB0byBh dm9pZCBkb2luZyB0aGUgc2V0X2FmZmluaXR5IGNhbGwgaWYKPiB0aGUgaW50ZXJydXB0IGl0IGFs cmVhZHkgYm91bmQgdG8gYW4gb25saW5lIENQVT8KClRoaXMgaXMgYSBzZWNvbmQgYXNwZWN0IGhl cmUgaW5kZWVkIC0gd2h5IHBsYXkgd2l0aCB0aGUgSVJRIGlmCml0IGhhcyBhIHZhbGlkIGRlc3Rp bmF0aW9uPwoKSmFuCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qu b3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2 ZWw= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E210C04AAC for ; 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Mon, 20 May 2019 15:17:24 +0000 (UTC) Received: from INET-PRV1-MTA by prv1-mh.provo.novell.com with Novell_GroupWise; Mon, 20 May 2019 09:17:22 -0600 Message-Id: <5CE2C4FF0200007800230ABF@prv1-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 18.1.0 Date: Mon, 20 May 2019 09:17:19 -0600 From: "Jan Beulich" To: "Roger Pau Monne" References: <5CC6DD090200007800229E80@prv1-mh.provo.novell.com> <5CDE8F5B020000780023005F@prv1-mh.provo.novell.com> <5CDE917502000078002300A8@prv1-mh.provo.novell.com> <20190520114006.jh3l4kg4abdaekb5@Air-de-Roger> In-Reply-To: <20190520114006.jh3l4kg4abdaekb5@Air-de-Roger> Mime-Version: 1.0 Content-Disposition: inline Subject: Re: [Xen-devel] [PATCH v3 07/15] x86/IRQ: target online CPUs when binding guest IRQ X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , Wei Liu , xen-devel Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Message-ID: <20190520151719.wOEu8Bq5Mm5dUA3YabUUZ0xzFq66iJnITgi9EW5Blx8@z> Pj4+IE9uIDIwLjA1LjE5IGF0IDEzOjQwLCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdyb3RlOgo+ IE9uIEZyaSwgTWF5IDE3LCAyMDE5IGF0IDA0OjQ4OjIxQU0gLTA2MDAsIEphbiBCZXVsaWNoIHdy b3RlOgo+PiBmaXh1cF9pcnFzKCkgc2tpcHMgaW50ZXJydXB0cyB3aXRob3V0IGFjdGlvbi4gSGVu Y2Ugc3VjaCBpbnRlcnJ1cHRzIGNhbgo+PiByZXRhaW4gYWZmaW5pdHkgdG8ganVzdCBvZmZsaW5l IENQVXMuIFdpdGggIm5vaXJxYmFsYW5jZSIgaW4gZWZmZWN0LAo+PiBwaXJxX2d1ZXN0X2JpbmQo KSBzbyBmYXIgd291bGQgaGF2ZSBsZWZ0IHRoZW0gYWxvbmUsIHJlc3VsdGluZyBpbiBhIG5vbi0K Pj4gd29ya2luZyBpbnRlcnJ1cHQuCj4+IAo+PiBTaWduZWQtb2ZmLWJ5OiBKYW4gQmV1bGljaCA8 amJldWxpY2hAc3VzZS5jb20+Cj4+IC0tLQo+PiB2MzogTmV3Lgo+PiAtLS0KPj4gSSd2ZSBub3Qg b2JzZXJ2ZWQgdGhpcyBwcm9ibGVtIGluIHByYWN0aWNlIC0gdGhlIGNoYW5nZSBpcyBqdXN0IHRo ZQo+PiByZXN1bHQgb2YgY29kZSBpbnNwZWN0aW9uIGFmdGVyIGhhdmluZyBub3RpY2VkIGFjdGlv bi1sZXNzIElSUXMgaW4gJ2knCj4+IGRlYnVnIGtleSBvdXRwdXQgcG9pbnRpbmcgYXQgYWxsIHBh cmtlZC9vZmZsaW5lIENQVXMuCj4+IAo+PiAtLS0gYS94ZW4vYXJjaC94ODYvaXJxLmMKPj4gKysr IGIveGVuL2FyY2gveDg2L2lycS5jCj4+IEBAIC0xNjgzLDkgKzE2ODMsMjcgQEAgaW50IHBpcnFf Z3Vlc3RfYmluZChzdHJ1Y3QgdmNwdSAqdiwgc3RydQo+PiAgCj4+ICAgICAgICAgIGRlc2MtPnN0 YXR1cyB8PSBJUlFfR1VFU1Q7Cj4+ICAKPj4gLSAgICAgICAgLyogQXR0ZW1wdCB0byBiaW5kIHRo ZSBpbnRlcnJ1cHQgdGFyZ2V0IHRvIHRoZSBjb3JyZWN0IENQVS4gKi8KPj4gLSAgICAgICAgaWYg KCAhb3B0X25vaXJxYmFsYW5jZSAmJiAoZGVzYy0+aGFuZGxlci0+c2V0X2FmZmluaXR5ICE9IE5V TEwpICkKPj4gLSAgICAgICAgICAgIGRlc2MtPmhhbmRsZXItPnNldF9hZmZpbml0eShkZXNjLCBj cHVtYXNrX29mKHYtPnByb2Nlc3NvcikpOwo+PiArICAgICAgICAvKgo+PiArICAgICAgICAgKiBB dHRlbXB0IHRvIGJpbmQgdGhlIGludGVycnVwdCB0YXJnZXQgdG8gdGhlIGNvcnJlY3QgKG9yIGF0 IGxlYXN0Cj4+ICsgICAgICAgICAqIHNvbWUgb25saW5lKSBDUFUuCj4+ICsgICAgICAgICAqLwo+ PiArICAgICAgICBpZiAoIGRlc2MtPmhhbmRsZXItPnNldF9hZmZpbml0eSApCj4+ICsgICAgICAg IHsKPj4gKyAgICAgICAgICAgIGNvbnN0IGNwdW1hc2tfdCAqYWZmaW5pdHkgPSBOVUxMOwo+PiAr Cj4+ICsgICAgICAgICAgICBpZiAoICFvcHRfbm9pcnFiYWxhbmNlICkKPj4gKyAgICAgICAgICAg ICAgICBhZmZpbml0eSA9IGNwdW1hc2tfb2Yodi0+cHJvY2Vzc29yKTsKPj4gKyAgICAgICAgICAg IGVsc2UgaWYgKCAhY3B1bWFza19pbnRlcnNlY3RzKGRlc2MtPmFmZmluaXR5LCAmY3B1X29ubGlu ZV9tYXApICkKPj4gKyAgICAgICAgICAgIHsKPj4gKyAgICAgICAgICAgICAgICBjcHVtYXNrX3Nl dGFsbChkZXNjLT5hZmZpbml0eSk7Cj4+ICsgICAgICAgICAgICAgICAgYWZmaW5pdHkgPSAmY3B1 bWFza19hbGw7Cj4+ICsgICAgICAgICAgICB9Cj4+ICsgICAgICAgICAgICBlbHNlIGlmICggIWNw dW1hc2tfaW50ZXJzZWN0cyhkZXNjLT5hcmNoLmNwdV9tYXNrLAo+PiArICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgJmNwdV9vbmxpbmVfbWFwKSApCj4gCj4gSSdtIG5v dCBzdXJlIEkgc2VlIHRoZSBwdXJwb3NlIG9mIHRoZSBkZXNjLT5hcmNoLmNwdV9tYXNrIGNoZWNr LAo+IHdvdWxkbid0IGl0IGJlIGJldHRlciB0byBqdXN0IHVzZSBlbHNlIGFuZCBzZXQgdGhlIGFm ZmluaXR5IHRvCj4gZGVzYy0+YWZmaW5pdHk/CgpXZSBzaG91bGQgYXZvaWQgY2xvYmJlcmluZyBk ZXNjLT5hZmZpbml0eSB3aGVuZXZlciBwb3NzaWJsZTogSXQKcmVmbGVjdHMgKHNlZSB0aGUgcmVz cGVjdGl2ZSBwYXRjaCBpbiB0aGlzIHNlcmllcykgd2hhdCB3YXMKcmVxdWVzdGVkIGJ5IHdoYXRl dmVyICJvdXRzaWRlIiBwYXJ0eS4KCj4gT3IgaXQncyBqdXN0IGFuIG9wdGltaXphdGlvbiB0byBh dm9pZCBkb2luZyB0aGUgc2V0X2FmZmluaXR5IGNhbGwgaWYKPiB0aGUgaW50ZXJydXB0IGl0IGFs cmVhZHkgYm91bmQgdG8gYW4gb25saW5lIENQVT8KClRoaXMgaXMgYSBzZWNvbmQgYXNwZWN0IGhl cmUgaW5kZWVkIC0gd2h5IHBsYXkgd2l0aCB0aGUgSVJRIGlmCml0IGhhcyBhIHZhbGlkIGRlc3Rp bmF0aW9uPwoKSmFuCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qu b3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2 ZWw=