From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 07CE6210DF5EE for ; Tue, 7 Aug 2018 18:38:38 -0700 (PDT) Subject: Re: [PATCH V2 2/4] mm: introduce memory type MEMORY_DEVICE_DEV_DAX References: <7e20d862f96662e1a7736dbb747a71949933dcd4.1531241281.git.yi.z.zhang@linux.intel.com> <20180807091120.ybne44o2fy2mxcch@quack2.suse.cz> From: "Zhang,Yi" Message-ID: <60a42f73-1772-24eb-26f0-efd892b0487c@linux.intel.com> Date: Wed, 8 Aug 2018 17:22:42 +0800 MIME-Version: 1.0 In-Reply-To: <20180807091120.ybne44o2fy2mxcch@quack2.suse.cz> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: Jan Kara Cc: yu.c.zhang@intel.com, kvm@vger.kernel.org, linux-nvdimm@lists.01.org, rkrcmar@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, pbonzini@redhat.com, hch@lst.de, yi.z.zhang@intel.com List-ID: CgpPbiAyMDE45bm0MDjmnIgwN+aXpSAxNzoxMSwgSmFuIEthcmEgd3JvdGU6Cj4gT24gV2VkIDEx LTA3LTE4IDAxOjAxOjU5LCBaaGFuZyBZaSB3cm90ZToKPj4gQ3VycmVudGx5LCBOVkRJTU0gcGFn ZXMgd2lsbCBiZSBtYXJrZWQgJ1BhZ2VSZXNlcnZlZCcuIEhvd2V2ZXIsIHVubGlrZQo+PiBvdGhl ciByZXNlcnZlZCBQRk5zLCBwYWdlcyBvbiBOVkRJTU0gc2hhbGwgc3RpbGwgYmVoYXZlIGxpa2Ug bm9ybWFsIG9uZXMKPj4gaW4gbWFueSBjYXNlcywgaS5lLiB3aGVuIHVzZWQgYXMgYmFja2VuZCBt ZW1vcnkgb2YgS1ZNIGd1ZXN0LiBUaGlzIHBhdGNoCj4+IGludHJvZHVjZXMgYSBuZXcgbWVtb3J5 IHR5cGUsIE1FTU9SWV9ERVZJQ0VfREVWX0RBWC4gQW5kIHNldCB0aGlzIGZsYWcKPj4gd2hpbGUg ZGF4IGRyaXZlciBob3RwbHVnIHRoZSBkZXZpY2UgbWVtb3J5Lgo+Pgo+PiBTaWduZWQtb2ZmLWJ5 OiBaaGFuZyBZaSA8eWkuei56aGFuZ0BsaW51eC5pbnRlbC5jb20+Cj4+IFNpZ25lZC1vZmYtYnk6 IFpoYW5nIFl1IDx5dS5jLnpoYW5nQGxpbnV4LmludGVsLmNvbT4KPj4gLS0tCj4+ICBkcml2ZXJz L2RheC9wbWVtLmMgICAgICAgfCAxICsKPj4gIGluY2x1ZGUvbGludXgvbWVtcmVtYXAuaCB8IDkg KysrKysrKysrCj4+ICAyIGZpbGVzIGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKykKPj4KPj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZGF4L3BtZW0uYyBiL2RyaXZlcnMvZGF4L3BtZW0uYwo+PiBpbmRl eCBmZDQ5YjI0Li5mYjNmMzYzIDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2RheC9wbWVtLmMKPj4g KysrIGIvZHJpdmVycy9kYXgvcG1lbS5jCj4+IEBAIC0xMTEsNiArMTExLDcgQEAgc3RhdGljIGlu dCBkYXhfcG1lbV9wcm9iZShzdHJ1Y3QgZGV2aWNlICpkZXYpCj4+ICAJCXJldHVybiByYzsKPj4g IAo+PiAgCWRheF9wbWVtLT5wZ21hcC5yZWYgPSAmZGF4X3BtZW0tPnJlZjsKPj4gKwlkYXhfcG1l bS0+cGdtYXAudHlwZSA9IE1FTU9SWV9ERVZJQ0VfREVWX0RBWDsKPj4gIAlhZGRyID0gZGV2bV9t ZW1yZW1hcF9wYWdlcyhkZXYsICZkYXhfcG1lbS0+cGdtYXApOwo+PiAgCWlmIChJU19FUlIoYWRk cikpCj4+ICAJCXJldHVybiBQVFJfRVJSKGFkZHIpOwo+PiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9s aW51eC9tZW1yZW1hcC5oIGIvaW5jbHVkZS9saW51eC9tZW1yZW1hcC5oCj4+IGluZGV4IDVlYmZm ZjYuLmEzNmJjZTggMTAwNjQ0Cj4+IC0tLSBhL2luY2x1ZGUvbGludXgvbWVtcmVtYXAuaAo+PiAr KysgYi9pbmNsdWRlL2xpbnV4L21lbXJlbWFwLmgKPj4gQEAgLTUzLDExICs1MywyMCBAQCBzdHJ1 Y3Qgdm1lbV9hbHRtYXAgewo+PiAgICogd2FrZXVwIGV2ZW50IHdoZW5ldmVyIGEgcGFnZSBpcyB1 bnBpbm5lZCBhbmQgYmVjb21lcyBpZGxlLiBUaGlzCj4+ICAgKiB3YWtldXAgaXMgdXNlZCB0byBj b29yZGluYXRlIHBoeXNpY2FsIGFkZHJlc3Mgc3BhY2UgbWFuYWdlbWVudCAoZXg6Cj4+ICAgKiBm cyB0cnVuY2F0ZS9ob2xlIHB1bmNoKSB2cyBwaW5uZWQgcGFnZXMgKGV4OiBkZXZpY2UgZG1hKS4K Pj4gKyAqCj4+ICsgKiBNRU1PUllfREVWSUNFX0RFVl9EQVg6Cj4+ICsgKiBEQVggZHJpdmVyIGhv dHBsdWcgdGhlIGRldmljZSBtZW1vcnkgYW5kIG1vdmUgaXQgdG8gbWVtb3J5IHpvbmUsIHRoZXNl Cj4+ICsgKiBwYWdlcyB3aWxsIGJlIG1hcmtlZCByZXNlcnZlZCBmbGFnLiBIb3dldmVyLCBzb21l IG90aGVyIGtlcm5lbCBjb21wb25ldAo+PiArICogd2lsbCBtaXNjb25jZWl2ZSB0aGVzZSBwYWdl cyBhcmUgcmVzZXJ2ZWQgbW1pbyAoZXg6IHdlIG1hcCB0aGVzZSBkZXZfZGF4Cj4+ICsgKiBvciBm c19kYXggcGFnZXMgdG8ga3ZtIGZvciBESU1NL05WRElNTSBiYWNrZW5kKS4gVG9nZXRoZXIgd2l0 aCB0aGUgdHlwZQo+PiArICogTUVNT1JZX0RFVklDRV9GU19EQVgsIHdlIGNhbiBkaWZmZXJlbnRp YXRlIHRoZSBwYWdlcyBvbiBOVkRJTU0gd2l0aCB0aGUKPj4gKyAqIG5vcm1hbCByZXNlcnZlZCBw YWdlcy4KPiBTbyBJIGJlbGlldmUgdGhlIGRlc2NyaXB0aW9uIHNob3VsZCBiZSBpbiB0ZXJtcyBv ZiB3aGF0IGtpbmQgb2YgbWVtb3J5IGlzCj4gdGhlIE1FTU9SWV9ERVZJQ0VfREVWX0RBWCB0eXBl LCBub3QgaG93IHVzZXJzIHVzZSB0aGlzIHR5cGUuIFNlZSBjb21tZW50cwo+IGZvciBvdGhlciBt ZW1vcnkgdHlwZXMuLi4KPgo+IAkJCQkJCQkJSG9uemEKWWVzLCBhZ3JlZSwgdGhhbmtzIGZvciB5 b3VyIGtpbmRseSByZXZpZXcuIEphbi4KPgo+PiAgICovCj4+ICBlbnVtIG1lbW9yeV90eXBlIHsK Pj4gIAlNRU1PUllfREVWSUNFX1BSSVZBVEUgPSAxLAo+PiAgCU1FTU9SWV9ERVZJQ0VfUFVCTElD LAo+PiAgCU1FTU9SWV9ERVZJQ0VfRlNfREFYLAo+PiArCU1FTU9SWV9ERVZJQ0VfREVWX0RBWCwK Pj4gIH07Cj4+ICAKPj4gIC8qCj4+IC0tIAo+PiAyLjcuNAo+PgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgtbnZkaW1tIG1haWxpbmcgbGlzdApM aW51eC1udmRpbW1AbGlzdHMuMDEub3JnCmh0dHBzOi8vbGlzdHMuMDEub3JnL21haWxtYW4vbGlz dGluZm8vbGludXgtbnZkaW1tCg==