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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 D538AC4BA0B for ; Wed, 26 Feb 2020 10:45:50 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B029D24673 for ; Wed, 26 Feb 2020 10:45:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B029D24673 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1j6uC7-0005Ca-63; Wed, 26 Feb 2020 10:45:35 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1j6uC6-0005CV-2k for xen-devel@lists.xenproject.org; Wed, 26 Feb 2020 10:45:34 +0000 X-Inumbo-ID: 1d3ebb7e-5885-11ea-a490-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 1d3ebb7e-5885-11ea-a490-bc764e2007e4; Wed, 26 Feb 2020 10:45:33 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id E4774ACCE; Wed, 26 Feb 2020 10:45:32 +0000 (UTC) To: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= References: <20200224104645.96381-1-roger.pau@citrix.com> <20200224104645.96381-5-roger.pau@citrix.com> <20200226101852.GB24458@Air-de-Roger.citrite.net> From: Jan Beulich Message-ID: Date: Wed, 26 Feb 2020 11:45:40 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200226101852.GB24458@Air-de-Roger.citrite.net> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH v3 4/5] x86/smp: use a dedicated scratch cpumask in send_IPI_mask 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: xen-devel@lists.xenproject.org, Sander Eikelenboom , Wei Liu , Andrew Cooper Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMjYuMDIuMjAyMCAxMToxOCwgUm9nZXIgUGF1IE1vbm7DqSB3cm90ZToKPiBPbiBXZWQsIEZl YiAyNiwgMjAyMCBhdCAxMTowNzo0NEFNICswMTAwLCBKYW4gQmV1bGljaCB3cm90ZToKPj4gT24g MjQuMDIuMjAyMCAxMTo0NiwgUm9nZXIgUGF1IE1vbm5lIHdyb3RlOgo+Pj4gVXNpbmcgc2NyYXRj aF9jcHVtYXNrIGluIHNlbmRfSVBJX21hc2sgaXMgbm90IHNhZmUgYmVjYXVzZSBpdCBjYW4gYmUK Pj4+IGNhbGxlZCBmcm9tIGludGVycnVwdCBjb250ZXh0LCBhbmQgaGVuY2UgWGVuIHdvdWxkIGhh dmUgdG8gbWFrZSBzdXJlCj4+PiBhbGwgdGhlIHVzZXJzIG9mIHRoZSBzY3JhdGNoIGNwdW1hc2sg ZGlzYWJsZSBpbnRlcnJ1cHRzIHdoaWxlIHVzaW5nCj4+PiBpdC4KPj4+Cj4+PiBJbnN0ZWFkIGlu dHJvZHVjZSBhIG5ldyBjcHVtYXNrIHRvIGJlIHVzZWQgYnkgc2VuZF9JUElfbWFzaywgYW5kCj4+ PiBkaXNhYmxlIGludGVycnVwdHMgd2hpbGUgdXNpbmcgaXQuCj4+Cj4+IFRoZSBhbHRlcm5hdGl2 ZSBvZiBhbHNvIGFkZGluZyAuLi4KPj4KPj4+IC0tLSBhL3hlbi9hcmNoL3g4Ni9zbXAuYwo+Pj4g KysrIGIveGVuL2FyY2gveDg2L3NtcC5jCj4+PiBAQCAtNTksNiArNTksNyBAQCBzdGF0aWMgdm9p ZCBzZW5kX0lQSV9zaG9ydGN1dCh1bnNpZ25lZCBpbnQgc2hvcnRjdXQsIGludCB2ZWN0b3IsCj4+ PiAgICAgIGFwaWNfd3JpdGUoQVBJQ19JQ1IsIGNmZyk7Cj4+PiAgfQo+Pj4gIAo+Pj4gK0RFQ0xB UkVfUEVSX0NQVShjcHVtYXNrX3Zhcl90LCBzZW5kX2lwaV9jcHVtYXNrKTsKPj4+ICAvKgo+Pj4g ICAqIHNlbmRfSVBJX21hc2soY3B1bWFzaywgdmVjdG9yKTogc2VuZHMgQHZlY3RvciBJUEkgdG8g Q1BVcyBpbiBAY3B1bWFzaywKPj4+ICAgKiBleGNsdWRpbmcgdGhlIGxvY2FsIENQVS4gQGNwdW1h c2sgbWF5IGJlIGVtcHR5Lgo+Pj4gQEAgLTY3LDcgKzY4LDIxIEBAIHN0YXRpYyB2b2lkIHNlbmRf SVBJX3Nob3J0Y3V0KHVuc2lnbmVkIGludCBzaG9ydGN1dCwgaW50IHZlY3RvciwKPj4+ICB2b2lk IHNlbmRfSVBJX21hc2soY29uc3QgY3B1bWFza190ICptYXNrLCBpbnQgdmVjdG9yKQo+Pj4gIHsK Pj4+ICAgICAgYm9vbCBjcHVzX2xvY2tlZCA9IGZhbHNlOwo+Pj4gLSAgICBjcHVtYXNrX3QgKnNj cmF0Y2ggPSB0aGlzX2NwdShzY3JhdGNoX2NwdW1hc2spOwo+Pj4gKyAgICBjcHVtYXNrX3QgKnNj cmF0Y2ggPSB0aGlzX2NwdShzZW5kX2lwaV9jcHVtYXNrKTsKPj4+ICsgICAgdW5zaWduZWQgbG9u ZyBmbGFnczsKPj4+ICsKPj4+ICsgICAgaWYgKCBpbl9tYygpIHx8IGluX25taSgpICkKPj4KPj4g Li4uIGluX2lycSgpIGhlcmUgd2FzIGNvbnNpZGVyZWQsIGFuZCBkaXNjYXJkZWQgYmVjYXVzZSBv Zj8gV2l0aAo+PiB0aGlzIHlvdSdkIG5vdCBuZWVkIHRoZSBzZWNvbmQgQ1BVIG1hc2sgYW5kIHlv dSdkIGFsc28gYmUgYWJsZQo+PiB0byBhdm9pZCBkaXNhYmxpbmcgYW4gcmUtZW5hYmxpbmcgSVJR cy4KPiAKPiBJIGFpbWVkIHRvIHVzZSB0aGUgc2hvcnRoYW5kIGFzIG11Y2ggYXMgcG9zc2libGUs IGJ1dCBJIHdvdWxkIGFsc28gYmUKPiBmaW5lIHdpdGggbm90IHVzaW5nIGl0IGluIGlycSBjb250 ZXh0LiBJIGFzc3VtZSB0aGVyZSBhcmVuJ3QgdGhhdCBtYW55Cj4gZmx1c2hlcyBpbiBpcnEgY29u dGV4dCwgYW5kIHRoZW4gdGhlIElQSXMgc2VudCBhcmUgcHJvYmFibHkgbm90Cj4gYnJvYWRjYXN0 IG9uZXMuCgpXZWxsLCBoZXJlIGl0J3Mgbm90IGp1c3QgZmx1c2hlcywgaXMgaXQ/IEtub3dpbmcg c29tZSAodHlwaWNhbCkKSVJRIGNvbnRleHQgdXNlcyBjb3VsZCBhbGxvdyB1cyB0YWtlIGEgYmV0 dGVyIGRlY2lzaW9uLiBBZnRlcgpTYW5kZXIncyByZXBvcnQsIGRpZCB5b3UgYWN0dWFsbHkgaWRl bnRpZnkgd2hhdCBwYXRoKHMpIHRoZQplYXJsaWVyIGNoYW5nZSBicm9rZT8KCkphbgoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxp bmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5w cm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==