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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 1j4hBM-0004Fs-3Z; Thu, 20 Feb 2020 08:27:40 +0000 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 1j4hBK-0004FY-Bk for xen-devel@lists.xenproject.org; Thu, 20 Feb 2020 08:27:38 +0000 X-Inumbo-ID: d94ecb58-53ba-11ea-84e6-12813bfff9fa Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id d94ecb58-53ba-11ea-84e6-12813bfff9fa; Thu, 20 Feb 2020 08:27:36 +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 0754EAC8F; Thu, 20 Feb 2020 08:27:36 +0000 (UTC) To: Jan Beulich , Roger Pau Monne References: <20200213113237.58795-1-roger.pau@citrix.com> <20200213113237.58795-2-roger.pau@citrix.com> <6700a65f-44eb-401f-755a-ebb5d68b9b21@suse.com> From: =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= Message-ID: <8abb37bc-e1e8-d9ab-d66e-4c0e9c8f4da3@suse.com> Date: Thu, 20 Feb 2020 09:27:35 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <6700a65f-44eb-401f-755a-ebb5d68b9b21@suse.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH 1/2] smp: convert the cpu maps lock into a rw lock 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 Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , xen-devel@lists.xenproject.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMjAuMDIuMjAgMDk6MTMsIEphbiBCZXVsaWNoIHdyb3RlOgo+IE9uIDEzLjAyLjIwMjAgMTI6 MzIsIFJvZ2VyIFBhdSBNb25uZSB3cm90ZToKPj4gTW9zdCB1c2VycyBvZiB0aGUgY3B1IG1hcHMg anVzdCBjYXJlIGFib3V0IHRoZSBtYXBzIG5vdCBjaGFuZ2luZyB3aGlsZQo+PiB0aGUgbG9jayBp cyBiZWluZyBoZWxkLCBidXQgZG9uJ3QgYWN0dWFsbHkgbW9kaWZ5IHRoZSBtYXBzLgo+Pgo+PiBD b252ZXJ0IHRoZSBsb2NrIGludG8gYSBydyBsb2NrLCBhbmQgdGFrZSB0aGUgbG9jayBpbiByZWFk IG1vZGUgaW4KPj4gZ2V0X2NwdV9tYXBzIGFuZCBpbiB3cml0ZSBtb2RlIGluIGNwdV9ob3RwbHVn X2JlZ2luLiBUaGlzIHdpbGwgbG93ZXIKPj4gdGhlIGNvbnRlbnRpb24gYXJvdW5kIHRoZSBsb2Nr LCBzaW5jZSBwbHVnIGFuZCB1bnBsdWcgb3BlcmF0aW9ucyB0aGF0Cj4+IHRha2UgdGhlIGxvY2sg aW4gd3JpdGUgbW9kZSBhcmUgbm90IHRoYXQgY29tbW9uLgo+Pgo+PiBOb3RlIHRoYXQgdGhlIHJl YWQgbG9jayBjYW4gYmUgdGFrZW4gcmVjdXJzaXZlbHkgKGFzIGl0J3MgYSBzaGFyZWQKPj4gbG9j ayksIGFuZCBoZW5jZSB3aWxsIGtlZXAgdGhlIHNhbWUgYmVoYXZpb3IgYXMgdGhlIHByZXZpb3Vz bHkgdXNlZAo+PiByZWN1cnNpdmUgbG9jay4gQXMgZm9yIHRoZSB3cml0ZSBsb2NrLCBpdCdzIG9u bHkgdXNlZCBieSBDUFUKPj4gcGx1Zy91bnBsdWcgb3BlcmF0aW9ucywgYW5kIHRoZSBsb2NrIGlz IG5ldmVyIHRha2VuIHJlY3Vyc2l2ZWx5IGluCj4+IHRoYXQgY2FzZS4KPj4KPj4gV2hpbGUgdGhl cmUgYWxzbyBjaGFuZ2UgZ2V0X2NwdV9tYXBzIHJldHVybiB0eXBlIHRvIGJvb2wuCj4+Cj4+IFJl cG9ydGVkLWJ5OiBKdWxpZW4gR3JhbGwgPGp1bGllbkB4ZW4ub3JnPgo+PiBTdWdnZXN0ZWQtYWxz by1ieTogSmFuIEJldWxpY2ggPGpiZXVsaWNoQHN1c2UuY29tPgo+PiBTaWduZWQtb2ZmLWJ5OiBS b2dlciBQYXUgTW9ubsOpIDxyb2dlci5wYXVAY2l0cml4LmNvbT4KPiAKPiBJJ20gYWZyYWlkIEkg Y2FuJ3Qgc2VlIGhvdyBvZmZsaW5pbmcgYSBDUFUgd291bGQgbm93IHdvcmsuCj4gQ29uZGVuc2Vk IHRvIGp1c3QgdGhlIHJlbGV2YW50IGNhbGxzLCB0aGUgc2VxdWVuY2UgZnJvbQo+IGNwdV9kb3du KCkgaXMKPiAKPiBjcHVfaG90cGx1Z19iZWdpbigpIChpLmUuIGxvY2sgdGFrZW4gaW4gd3JpdGUg bW9kZSkKPiBzdG9wX21hY2hpbmVfcnVuKCkKPiAtPiBnZXRfY3B1X21hcHMoKSAobG9jayB1bmF2 YWlsYWJsZSB0byByZWFkZXJzKQoKSSd2ZSBhbHJlYWR5IHBvaW50ZWQgdGhhdCBvdXQgaW4gYW5v dGhlciB0aHJlYWQuIDotKQoKPiAKPiBPdGhlciB0aGFuIHJlY3Vyc2l2ZSBzcGluIGxvY2tzLCBy dyBsb2NrcyBkb24ndCBjdXJyZW50bHkKPiBoYXZlIGEgY29uY2VwdCBvZiBwZXJtaXR0aW5nIGlu IGEgcmVhZGVyIHdoZW4gdGhpcyBDUFUKPiBhbHJlYWR5IGhvbGRzIHRoZSBsb2NrIGluIHdyaXRl IG1vZGUuIEhlbmNlIEkgY2FuJ3Qgc2VlCj4gaG93IHRoZSBnZXRfY3B1X21hcHMoKSBhYm92ZSB3 b3VsZCBub3cgZXZlciBzdWNjZWVkLiBBbSBJCj4gbWlzc2luZyBhbnl0aGluZywgb3IgZG9lcyB0 aGUgcGF0Y2ggbmVlZCByZXZlcnRpbmcgdW50aWwKPiB0aGUgcmVhZF90cnlsb2NrKCkgZ290IGVu aGFuY2VkIHRvIGNvcGUgd2l0aCB0aGlzPwoKSSB0aGluayB0aGlzIGNhbiBiZSBoYW5kbGVkIGxv Y2FsbHkgaW4gZ2V0X2NwdV9tYXBzKCkgYW5kCmNwdV9ob3RwbHVnX2JlZ2luKCkgd2l0aCB0aGUg dXNlIG9mIGEgdmFyaWFibGUgaG9sZGluZyB0aGUgY3B1IChvcgpOUl9DUFVTKSBvZiB0aGUgY3B1 IGhvbGRpbmcgdGhlIHdyaXRlIGxvY2suIGdldF9jcHVfbWFwcygpIGNhbiBqdXN0CnN1Y2NlZWQg aW4gY2FzZSB0aGlzIHZhcmlhYmxlIGNvbnRhaW5zIHNtcF9wcm9jZXNzb3JfaWQoKS4KCgpKdWVy Z2VuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4t ZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczov L2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs