From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-f72.google.com (mail-it0-f72.google.com [209.85.214.72]) by kanga.kvack.org (Postfix) with ESMTP id 373166B52FB for ; Thu, 30 Aug 2018 15:36:48 -0400 (EDT) Received: by mail-it0-f72.google.com with SMTP id k143-v6so2793658ite.5 for ; Thu, 30 Aug 2018 12:36:48 -0700 (PDT) Received: from NAM04-SN1-obe.outbound.protection.outlook.com (mail-eopbgr700090.outbound.protection.outlook.com. [40.107.70.90]) by mx.google.com with ESMTPS id 1-v6si5119847iow.84.2018.08.30.12.36.47 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 30 Aug 2018 12:36:47 -0700 (PDT) From: Pasha Tatashin Subject: Re: [PATCH RFCv2 2/6] mm/memory_hotplug: make add_memory() take the device_hotplug_lock Date: Thu, 30 Aug 2018 19:36:43 +0000 Message-ID: References: <20180821104418.12710-1-david@redhat.com> <20180821104418.12710-3-david@redhat.com> In-Reply-To: <20180821104418.12710-3-david@redhat.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: David Hildenbrand , "linux-mm@kvack.org" Cc: "linux-kernel@vger.kernel.org" , "linux-doc@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "linux-acpi@vger.kernel.org" , "xen-devel@lists.xenproject.org" , "devel@linuxdriverproject.org" , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , "Rafael J. Wysocki" , Len Brown , Greg Kroah-Hartman , Boris Ostrovsky , Juergen Gross , Nathan Fontenot , John Allen , Andrew Morton , Michal Hocko , Dan Williams , Joonsoo Kim , Vlastimil Babka , Oscar Salvador , Mathieu Malaterre , YASUAKI ISHIMATSU T24gOC8yMS8xOCA2OjQ0IEFNLCBEYXZpZCBIaWxkZW5icmFuZCB3cm90ZToNCj4gYWRkX21lbW9y eSgpIGN1cnJlbnRseSBkb2VzIG5vdCB0YWtlIHRoZSBkZXZpY2VfaG90cGx1Z19sb2NrLCBob3dl dmVyDQo+IGlzIGFsZWFkeSBjYWxsZWQgdW5kZXIgdGhlIGxvY2sgZnJvbQ0KPiAJYXJjaC9wb3dl cnBjL3BsYXRmb3Jtcy9wc2VyaWVzL2hvdHBsdWctbWVtb3J5LmMNCj4gCWRyaXZlcnMvYWNwaS9h Y3BpX21lbWhvdHBsdWcuYw0KPiB0byBzeW5jaHJvbml6ZSBhZ2FpbnN0IENQVSBob3QtcmVtb3Zl IGFuZCBzaW1pbGFyLg0KPiANCj4gSW4gZ2VuZXJhbCwgd2Ugc2hvdWxkIGhvbGQgdGhlIGRldmlj ZV9ob3RwbHVnX2xvY2sgd2hlbiBhZGRpbmcgbWVtb3J5DQo+IHRvIHN5bmNocm9uaXplIGFnYWlu c3Qgb25saW5lL29mZmxpbmUgcmVxdWVzdCAoZS5nLiBmcm9tIHVzZXIgc3BhY2UpIC0NCj4gd2hp Y2ggYWxyZWFkeSByZXN1bHRlZCBpbiBsb2NrIGludmVyc2lvbnMgZHVlIHRvIGRldmljZV9sb2Nr KCkgYW5kDQo+IG1lbV9ob3RwbHVnX2xvY2sgLSBzZWUgMzA0NjdlMGIzYmUgKCJtbSwgaG90cGx1 ZzogZml4IGNvbmN1cnJlbnQgbWVtb3J5DQo+IGhvdC1hZGQgZGVhZGxvY2siKS4gYWRkX21lbW9y eSgpL2FkZF9tZW1vcnlfcmVzb3VyY2UoKSB3aWxsIGNyZWF0ZSBtZW1vcnkNCj4gYmxvY2sgZGV2 aWNlcywgc28gdGhpcyByZWFsbHkgZmVlbHMgbGlrZSB0aGUgcmlnaHQgdGhpbmcgdG8gZG8uDQo+ IA0KPiBIb2xkaW5nIHRoZSBkZXZpY2VfaG90cGx1Z19sb2NrIG1ha2VzIHN1cmUgdGhhdCBhIG1l bW9yeSBibG9jayBkZXZpY2UNCj4gY2FuIHJlYWxseSBvbmx5IGJlIGFjY2Vzc2VkIChlLmcuIHZp YSAub25saW5lLy5zdGF0ZSkgZnJvbSB1c2VyIHNwYWNlLA0KPiBvbmNlIHRoZSBtZW1vcnkgaGFz IGJlZW4gZnVsbHkgYWRkZWQgdG8gdGhlIHN5c3RlbS4NCj4gDQo+IFRoZSBsb2NrIGlzIG5vdCBo ZWxkIHlldCBpbg0KPiAJZHJpdmVycy94ZW4vYmFsbG9vbi5jDQo+IAlhcmNoL3Bvd2VycGMvcGxh dGZvcm1zL3Bvd2VybnYvbWVtdHJhY2UuYw0KPiAJZHJpdmVycy9zMzkwL2NoYXIvc2NscF9jbWQu Yw0KPiAJZHJpdmVycy9odi9odl9iYWxsb29uLmMNCj4gU28sIGxldCdzIGVpdGhlciB1c2UgdGhl IGxvY2tlZCB2YXJpYW50cyBvciB0YWtlIHRoZSBsb2NrLg0KPiANCj4gRG9uJ3QgZXhwb3J0IGFk ZF9tZW1vcnlfcmVzb3VyY2UoKSwgYXMgaXQgb25jZSB3YXMgZXhwb3J0ZWQgdG8gYmUgdXNlZA0K PiBieSBYRU4sIHdoaWNoIGlzIG5ldmVyIGJ1aWx0IGFzIGEgbW9kdWxlLiBJZiBzb21lYm9keSBy ZXF1aXJlcyBpdCwgd2UNCj4gYWxzbyBoYXZlIHRvIGV4cG9ydCBhIGxvY2tlZCB2YXJpYW50IChh cyBkZXZpY2VfaG90cGx1Z19sb2NrIGlzIG5ldmVyDQo+IGV4cG9ydGVkKS4NCg0KUmV2aWV3ZWQt Ynk6IFBhdmVsIFRhdGFzaGluIDxwYXZlbC50YXRhc2hpbkBtaWNyb3NvZnQuY29tPg==