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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 52DCAC2BA83 for ; Thu, 13 Feb 2020 13:35:44 +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 31CE1218AC for ; Thu, 13 Feb 2020 13:35:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31CE1218AC 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 1j2EeT-0001kW-O7; Thu, 13 Feb 2020 13:35:33 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1j2EeS-0001kR-HW for xen-devel@lists.xenproject.org; Thu, 13 Feb 2020 13:35:32 +0000 X-Inumbo-ID: b48867d4-4e65-11ea-ade5-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id b48867d4-4e65-11ea-ade5-bc764e2007e4; Thu, 13 Feb 2020 13:35:32 +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 D56C1AE57; Thu, 13 Feb 2020 13:35:30 +0000 (UTC) To: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= References: <20200212164949.56434-1-roger.pau@citrix.com> <20200212164949.56434-3-roger.pau@citrix.com> <4849c6bc-e77b-d02f-7d0d-598cbcb3f145@suse.com> <20200213100355.GV4679@Air-de-Roger> <20200213114154.GX4679@Air-de-Roger> From: Jan Beulich Message-ID: Date: Thu, 13 Feb 2020 14:35:32 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <20200213114154.GX4679@Air-de-Roger> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH 2/3] 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" T24gMTMuMDIuMjAyMCAxMjo0MSwgUm9nZXIgUGF1IE1vbm7DqSB3cm90ZToKPiBPbiBUaHUsIEZl YiAxMywgMjAyMCBhdCAxMToxOTowMkFNICswMTAwLCBKYW4gQmV1bGljaCB3cm90ZToKPj4gT24g MTMuMDIuMjAyMCAxMTowMywgUm9nZXIgUGF1IE1vbm7DqSB3cm90ZToKPj4+IE9uIFRodSwgRmVi IDEzLCAyMDIwIGF0IDEwOjU5OjI5QU0gKzAxMDAsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9u IDEyLjAyLjIwMjAgMTc6NDksIFJvZ2VyIFBhdSBNb25uZSB3cm90ZToKPj4+Pj4gVXNpbmcgc2Ny YXRjaF9jcHVtYXNrIGluIHNlbmRfSVBJX21hayBpcyBub3Qgc2FmZSBiZWNhdXNlIGl0IGNhbiBi ZQo+Pj4+PiBjYWxsZWQgZnJvbSBpbnRlcnJ1cHQgY29udGV4dCwgYW5kIGhlbmNlIFhlbiB3b3Vs ZCBoYXZlIHRvIG1ha2Ugc3VyZQo+Pj4+PiBhbGwgdGhlIHVzZXJzIG9mIHRoZSBzY3JhdGNoIGNw dW1hc2sgZGlzYWJsZSBpbnRlcnJ1cHRzIHdoaWxlIHVzaW5nCj4+Pj4+IGl0Lgo+Pj4+Pgo+Pj4+ PiBJbnN0ZWFkIGludHJvZHVjZSBhIG5ldyBjcHVtYXNrIHRvIGJlIHVzZWQgYnkgc2VuZF9JUElf bWFzaywgYW5kCj4+Pj4+IGRpc2FibGUgaW50ZXJydXB0cyB3aGlsZSB1c2luZy4KPj4+Pgo+Pj4+ IE15IGZpcnN0IHRob3VnaHQgaGVyZSB3YXM6IFdoYXQgYWJvdXQgTk1JIG9yICNNQyBjb250ZXh0 PyBFdmVuIGlmCj4+Pj4gbm90IHVzaW5nIHRoZSBmdW5jdGlvbiB0b2RheSAod2hpY2ggSSBkaWRu J3QgY2hlY2spLCB0aGVyZSBzaG91bGRuJ3QKPj4+PiBiZSBhIGxhdGVudCBpc3N1ZSBpbnRyb2R1 Y2VkIGhlcmUgcHJldmVudGluZyB0aGVtIGZyb20gZG9pbmcgc28gaW4KPj4+PiB0aGUgZnV0dXJl LiBJbnN0ZWFkIEkgdGhpbmsgeW91IHdhbnQgdG8gYWxsb2NhdGUgdGhlIHNjcmF0Y2ggbWFzawo+ Pj4+IGR5bmFtaWNhbGx5IChhdCBsZWFzdCBpZiBjYWxsZXIgY29udGV4dCBkb2Vzbid0IGFsbG93 IHVzZSBvZiB0aGUKPj4+PiBnZW5lcmljIG9uZSksIGFuZCBzaW1wbHkgcmVmcmFpbiBmcm9tIGNv YWxlc2NpbmcgSVBJcyBpZiB0aGlzCj4+Pj4gYWxsb2NhdGlvbnMgZmFpbHMuCj4+Pgo+Pj4gSG0s IGlzbid0IHRoaXMgZ29pbmcgdG8gYmUgcXVpdGUgZXhwZW5zaXZlLCBhbmQgaGVuY2UgcmVuZGVy IHRoZQo+Pj4gYmVuZWZpdCBvZiB1c2luZyB0aGUgc2hvcnRoYW5kIG1vb3Q/Cj4+Cj4+IERlcGVu ZHMgb24gaG93IG1hbnkgQ1BVcyB0aGVyZSBhcmUsIGkuZS4gaG93IGxvbmcgdGhlIGxvb3Agb3Ro ZXJ3aXNlCj4+IHdvdWxkIGJlLiBXaGVuIHhtYWxsb2MoKSBkb2Vzbid0IG5lZWQgdG8gdHVybiB0 byB0aGUgcGFnZSBhbGxvY2F0b3IsCj4+IEkgdGhpbmsgaXQgd29uJ3QgYmUgb3Zlcmx5IHNsb3cu IEFub3RoZXIgb3B0aW9uIHdvdWxkIGJlIHRvIGF2b2lkCj4+IGNvYWxlc2NpbmcgaW4gYSBzbGln aHRseSBkaWZmZXJlbnQgd2F5ICh3aXRob3V0IGhhdmluZyB0byBmaWRkbGUKPj4gd2l0aCB0aGUg c2NyYXRjaCBtYXNrKSB3aGVuIGNhbGxlZCBpbiBpbnRlcnJ1cHQgY29udGV4dC4KPiAKPiBXaGF0 IGFib3V0IHByZXZlbnRpbmcgdGhlIG1hc2sgdXNhZ2Ugd2hlbiBpbiBubWkgY29udGV4dD8KPiAK PiBJIGNvdWxkIGludHJvZHVjZSBzb21ldGhpbmcgbGlrZSBpbl9ubWkgYW5kIGp1c3QgYXZvaWQg dGhlIHNjcmF0Y2gKPiBtYXNrIHVzYWdlIGluIHRoYXQgY2FzZSAoYW5kIHRoZSBzaG9ydGhhbmQp LgoKUmlnaHQsIGFsbG9jYXRpb24gaXNuJ3QgcGVybWl0dGVkIGluIE5NSSBjb250ZXh0IGFueXdh eS4gQXMgdG8KI01DIGNvbnRleHQgLSBJJ20gYWZyYWlkIHdlIGRvbid0IGhhdmUgYW55IGluZGlj YXRvciBvZiB0aGlzIHNvCmZhciwgd2hpY2ggaXMgYSBwcm9ibGVtIChoZXJlIGFuZCBtYXliZSBh bHNvIGVsc2V3aGVyZSkuCgpKYW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnBy b2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94 ZW4tZGV2ZWw=