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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 8C441C35247 for ; Wed, 5 Feb 2020 15:14:17 +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 60B8121927 for ; Wed, 5 Feb 2020 15:14:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 60B8121927 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xen.org 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 1izMN9-0007wS-Ou; Wed, 05 Feb 2020 15:13:47 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1izMN8-0007wN-Qk for xen-devel@lists.xenproject.org; Wed, 05 Feb 2020 15:13:46 +0000 X-Inumbo-ID: 1ab150d0-482a-11ea-ad98-bc764e2007e4 Received: from mail.xenproject.org (unknown [104.130.215.37]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 1ab150d0-482a-11ea-ad98-bc764e2007e4; Wed, 05 Feb 2020 15:13:46 +0000 (UTC) Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1izMN6-00085t-Jw; Wed, 05 Feb 2020 15:13:44 +0000 Received: from 41.142.6.51.dyn.plus.net ([51.6.142.41] helo=debian) by xenbits.xenproject.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1izMN6-0002a5-9t; Wed, 05 Feb 2020 15:13:44 +0000 Date: Wed, 5 Feb 2020 15:13:41 +0000 From: Wei Liu To: Jan Beulich Message-ID: <20200205151341.iavle7uwjkaimpvk@debian> References: <730add36-bfa0-e1bb-e2cb-b5570540688c@suse.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Subject: Re: [Xen-devel] [PATCH 6/6] domctl/vNUMA: avoid arithmetic overflow 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: Stefano Stabellini , Julien Grall , Wei Liu , Konrad Wilk , George Dunlap , Andrew Cooper , Ilja Van Sprundel , Ian Jackson , "xen-devel@lists.xenproject.org" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gV2VkLCBGZWIgMDUsIDIwMjAgYXQgMDI6MTc6MDJQTSArMDEwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4gQ2hlY2tpbmcgdGhlIHJlc3VsdCBvZiBhIG11bHRpcGxpY2F0aW9uIGFnYWluc3QgYSBj ZXJ0YWluIGxpbWl0IGhhcyBubwo+IHN1ZmZpY2llbnQgaW1wbGljYXRpb24gb24gdGhlIG9yaWdp bmFsIHZhbHVlJ3MgcmFuZ2UuIEluIHRoZSBjYXNlIGhlcmUKPiBpdCBpcyBpbiBwYXJ0aWN1bGFy IHByb2JsZW1hdGljIHRoYXQgd2hpbGUgaGFuZGxpbmcgdGhlIGRvbWN0bCB3ZSBkbwo+IAo+ICAg ICBpZiAoIGNvcHlfZnJvbV9ndWVzdChpbmZvLT52ZGlzdGFuY2UsIHVpbmZvLT52ZGlzdGFuY2Us Cj4gICAgICAgICAgICAgICAgICAgICAgICAgIG5yX3Zub2RlcyAqIG5yX3Zub2RlcykgKQo+ICAg ICAgICAgZ290byB2bnVtYV9mYWlsOwo+IAo+IHdoaWNoIG1lYW5zIGNvcHlpbmcgc2l6ZW9mKHVu c2lnbmVkIGludCkgKiAobnJfdm5vZGVzICogbnJfdm5vZGVzKQo+IGJ5dGVzLCBhbmQgdGhlIGhh bmRsaW5nIG9mIFhFTk1FTV9nZXRfdm51bWFpbmZvIHNpbWlsYXJseSBoYXMKPiAKPiAgICAgICAg IHRtcC52ZGlzdGFuY2UgPSB4bWFsbG9jX2FycmF5KHVuc2lnbmVkIGludCwgZG9tX3Zub2RlcyAq IGRvbV92bm9kZXMpOwo+IAo+IHdoaWNoIG1lYW5zIGFsbG9jYXRpbmcgc2l6ZW9mKHVuc2lnbmVk IGludCkgKiAoZG9tX3Zub2RlcyAqIGRvbV92bm9kZXMpCj4gYnl0ZXMsIHdoZXJlYXMgaW4gdGhl biBnb2VzIG9uIGRvaW5nIHRoaXM6Cj4gCj4gICAgICAgICBtZW1jcHkodG1wLnZkaXN0YW5jZSwg ZC0+dm51bWEtPnZkaXN0YW5jZSwKPiAgICAgICAgICAgICAgICBzaXplb2YoKmQtPnZudW1hLT52 ZGlzdGFuY2UpICogZG9tX3Zub2RlcyAqIGRvbV92bm9kZXMpOwo+IAo+IE5vdGUgdGhlIGxhY2sg b2YgcGFyZW50aGVzZXMgaW4gdGhlIG11bHRpcGxpY2F0aW9uIGV4cHJlc3Npb24uCj4gCj4gQWRq dXN0IHRoZSBvdmVyZmxvdyBjaGVjaywgbW92aW5nIHRoZSBtdXN0LW5vdC1iZS16ZXJvIG9uZSBy aWdodCBuZXh0IHRvCj4gaXQgdG8gYXZvaWQgcXVlc3Rpb25zIG9uIHdoZXRoZXIgdGhlcmUgbWln aHQgYmUgZGl2aXNpb24gYnkgemVyby4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBKYW4gQmV1bGljaCA8 amJldWxpY2hAc3VzZS5jb20+CgpSZXZpZXdlZC1ieTogV2VpIExpdSA8d2xAeGVuLm9yZz4KCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBt YWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMu eGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=