From mboxrd@z Thu Jan 1 00:00:00 1970 From: Haozhong Zhang Subject: Re: [RFC Design Doc v2] Add vNVDIMM support for Xen Date: Thu, 4 Aug 2016 09:51:59 +0800 Message-ID: <20160804015159.qpnkm2eme3oto2jv@hz-desktop> References: <20160718002912.rva5n5jbrezdchwx@hz-desktop> <20160803212548.GA16869@char.us.oracle.com> <20160803231656.GA9828@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20160803231656.GA9828@localhost.localdomain> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Konrad Rzeszutek Wilk Cc: Juergen Gross , "Tian, Kevin" , Stefano Stabellini , Wei Liu , Jan Beulich , George Dunlap , Andrew Cooper , Ian Jackson , "xen-devel@lists.xen.org" , "Nakajima, Jun" , Xiao Guangrong List-Id: xen-devel@lists.xenproject.org T24gMDgvMDMvMTYgMTk6MTYsIEtvbnJhZCBSemVzenV0ZWsgV2lsayB3cm90ZToKPiA+ID4gMS40 IGNsd2IvY2xmbHVzaG9wdAo+ID4gPiAKPiA+ID4gIFdyaXRlcyB0byBOVkRJTU0gbWF5IGJlIGNh Y2hlZCBieSBjYWNoZXMsIHNvIGNlcnRhaW4gZmx1c2hpbmcKPiA+ID4gIG9wZXJhdGlvbnMgc2hv dWxkIGJlIHBlcmZvcm1lZCB0byBtYWtlIHRoZW0gcGVyc2lzdGVudCBvbgo+ID4gPiAgTlZESU1N LiBjbHdiIGlzIHVzZWQgaW4gZmF2b3Igb2YgY2xmbHVzaG9wdCBhbmQgY2xmbHVzaCB0byBmbHVz aAo+ID4gPiAgd3JpdGVzIGZyb20gY2FjaGVzIHRvIG1lbW9yeS4KPiA+ID4gCj4gPiA+ICBEZXRh aWxzIG9mIGNsd2IvY2xmbHVzaG9wdCBjYW4gYmUgZm91bmQgaW4gQ2hhcHRlciAxMCBvZiBbNl0u Cj4gPiAKPiA+IERpZG4ndCB0aGF0IG9wY29kZSBnZXQgZHJvcHBlZCBpbiBmYXZvdXIgb2YgcG9r aW5nIGluIHNvbWUgcmVnaXN0ZXI/Cj4gCj4gTmV2ZXJtaW5kLiBJIGdvdCB0aGlzIGNvbmZ1c2Vk IHdpdGggcGNvbW1pdCB3aGljaCB3YXMgZGVwcmVjYXRlZC4KPiAKPiBCdXQgbG9va2luZyBhdCBj aGFwdGVyIDEwLjIuMiBpdCBtZW50aW9ucyB0aGF0IHRvIGNvbW1pdCB0bwo+IHBlcnNpc3RlbnQg bWVtb3J5IHlvdSBuZWVkIHRvIHVzZSBwY29tbWl0LiBTbyB3aGF0IGlzIHRoZSBzdG9yeSBoZXJl PwoKVGhlIGRvY3VtZW50IGhhcyBub3QgYmVlbiB1cGRhdGVkIHlldCwgdGhvdWdoIHBhdGNoZXMg dG8gcmV2ZXJ0CnBjb21taXQgc3VwcG9ydCBmb3IgYm90aCBMaW51eCBhbmQgWGVuIGhhZCBiZWVu IG1lcmdlZC4KCj4gLi4gc25pcC4uLgo+ID4gPiAgQSBwYXJ0IG5vdCBwdXQgaW4gYWJvdmUgZmln dXJlIGlzIGVuYWJsaW5nIGd1ZXN0IGNsd2IvY2xmbHVzaG9wdAo+ID4gPiAgd2hpY2ggZXhwb3Nl cyB0aG9zZSBpbnN0cnVjdGlvbnMgdG8gZ3Vlc3QgdmlhIGd1ZXN0IGNwdWlkLgo+ID4gCj4gPiBB bmQgYXJlbid0IHRob3NlIGRlcHJlY2F0ZWQ/Cj4gCj4gQW5kIGFnYWluLiBJZ25vcmUgdGhhdCBj b21tZW50Lgo+IC4uIHNuaXAuLgo+ID4gPiA0LiBEZXNpZ24gb2Ygdk5WRElNTSBpbiBYZW4KPiA+ ID4gCj4gPiA+ICBBcyBLVk0vUUVNVSwgb3VyIGRlc2lnbiBjdXJyZW50bHkgb25seSBwcm92aWRl cyBwbWVtIHZOVkRJTU0uCj4gPiA+IAo+ID4gPiAgU2ltaWxhcmx5IHRvIHRoYXQgaW4gS1ZNL1FF TVUsIGVuYWJsaW5nIHZOVkRJTU0gaW4gWGVuIGlzIGNvbXBvc2VkIG9mCj4gPiA+ICB0aHJlZSBw YXJ0czoKPiA+ID4gICgxKSBHdWVzdCBjbHdiL2NsZmx1c2hvcHQgZW5hYmxpbmcsCj4gPiA+ICAo MikgcG1lbSBhZGRyZXNzIG1hbmFnZW1lbnQsIGFuZAo+ID4gPiAgKDMpIEd1ZXN0IEFDUEkgZW11 bGF0aW9uLgo+ID4gPiAKPiA+ID4gIFRoZSByZXN0IG9mIHRoaXMgc2VjdGlvbiBwcmVzZW50IHRo ZSBkZXNpZ24gb2YgZWFjaCBwYXJ0Cj4gPiA+ICByZXNwZWN0aXZlbHkuIFRoZSBiYXNpYyBkZXNp Z24gcHJpbmNpcGxlIHRvIHJldXNlIGV4aXN0aW5nIGNvZGUgaW4KPiA+ID4gIExpbnV4IE5WRElN TSBkcml2ZXIsIFFFTVUgYW5kIFhlbiBhcyBtdWNoIGFzIHBvc3NpYmxlLgo+ID4gPiAKPiA+ID4g Cj4gPiA+IDQuMSBHdWVzdCBjbHdiL2NsZmx1c2hvcHQgRW5hYmxpbmcKPiA+ID4gCj4gPiA+ICBU aGUgaW5zdHJ1Y3Rpb24gZW5hYmxpbmcgaXMgc2ltcGxlIGFuZCB3ZSBkbyB0aGUgc2FtZSB3b3Jr IGFzIGluIEtWTS9RRU1VOgo+ID4gPiAgLSBjbHdiL2NsZmx1c2hvcHQgYXJlIGV4cG9zZWQgdG8g Z3Vlc3QgdmlhIGd1ZXN0IGNwdWlkLgo+ID4gPiAKPiA+IAo+ID4gQWdhaW4sIGlzbid0IHRoYXQg ZGVwcmVjYXRlZCBhbmQgdGhlIG5ldyBtZWNoYW5pc20gKHBva25nIGF0IHNvbWUgcmVnaXN0ZXIp Cj4gPiBoYXMgdG8gYmUgdXNlZD8KPiAKPiBTbyBjbGZsdXNob3B0IGNhbiBiZSB1c2VkIGZvciBm bHVzaGluZyBvdXQgYSBjYWNoZWxpbmUuIEJ1dCB3aGF0Cj4gdG8gZG8gYWJvdXQgc3RvcmUgaW4g dGhlIG5vbi12b2xhdGlsZSBtZW1vcnk/IEkgcmVjYWxsIHRoYXQgeW91IGNvdWxkCj4gZG8gYW4g c2ZlbmNlIGFuZCB0aGVuIHBjb21taXQsIHdoaWNoIHdvdWxkIGJlIGFraW5nIHRvIGFuIFNDU0kg U1lOQwo+IGNvbW1hbmQuCj4gCj4gQnV0IHdpdGggcGNvbW1pdCBiZWluZyBkZXByZWNhdGVkIChh bGJlaXQgdGhlIFVSTCB5b3UgcG9pbnRlZCB0b28KPiBzdGlsbCBsaXN0cyBwY29tbWl0KSAtIGF0 IGxlYXN0IGluIFhlbiBhbmQgTGludXggLSBob3cgZG8geW91Cj4gZW5mb3JjZSB0aGlzIHdob2xl c2FsZSBmbHVzaD8KPgoKQWZ0ZXIgZGVwcmVjYXRpbmcgcGNvbW1pdCwgYXQgbGVhc3Qgb25lIG9m IGZvbGxvd2luZyB0d28gYXBwcm9hY2hlcwpzaG91bGQgYmUgcHJvdmlkZWQgYnkgSFcgdG8gZ3Vh cmFudGVlIHBlcnNpc3RlbnQ6CgoxKSBBc3luY2hyb25vdXMgRFJBTSByZWZyZXNoIChBRFIpCiAg IElmIHRoZSBwbGF0Zm9ybSBzdXBwb3J0cyBBRFIsIGZsdXNoIENQVSBjYWNoZSBsaW5lcyAoZS5n LiBieQogICBjbHdiL2NsZmx1c2hvcHQvY2xmbHVzaCkgd2lsbCByZXN1bHQgcmVzdWx0IGluIGZs dXNoIHdyaXRlIHBlbmRpbmcKICAgcXVldWVzIGluIG1lbW9yeSBjb250cm9sbGVyIHRvIE5WRElN TS4KICAgCjIpIEFDUEkgRmx1c2ggSGludCBBZGRyZXNzIFN0cnVjdHVyZQogICBJZiBBQ1BJIGZs dXNoIGhpbnQgYWRkcmVzcyBzdHJ1Y3R1cmUgaXMgYXZhaWxhYmxlIGZvciBhIE5WRElNTQogICBy ZWdpb24sIHNvZnR3YXJlIGNhbiB3cml0ZSB0byB0aGF0IHN0cnVjdHVyZSB0byBmbHVzaCBhbnkg cHJlY2VkaW5nCiAgIHN0b3JlcyB0byB0aGF0IE5WRElNTSByZWdpb24uIChTZWN0aW9uIDUuMi4y NS44IG9mIEFDUEkgU3BlYyA2LjEpCgpBRFIgaXMgcHJlZmVycmVkLCBhcyBndWVzdCBjbHdiL2Ns Zmx1c2hvcHQvY2xmbHVzaCBkbyBub3QgaW50cm9kdWNlClZNRVhJVHMuCgpIb3dldmVyLCBJJ20g YWxzbyBnb2luZyB0byBlbXVsYXRlIEFDUEkgZmx1c2ggaGludCBhZGRyZXNzIHN0cnVjdHVyZQpp biBjYXNlIG9mIHRoZSBsYWNrIG9mIEFEUi4gQmFzaWNhbGx5LCBndWVzdCB3cml0ZXMgdG8gQUNQ SSBmbHVzaCBoaW50CmFkZHJlc3Mgc3RydWN0dXJlIHdpbGwgYmUgdHJhcHBlZCB0byBRRU1VIHdo aWNoIHdpbGwgc3VibWl0IHRoZW0gdG8KdGhlIGhvc3QgQUNQSSBmbHVzaCBoaW50IGFkZHJlc3Mg c3RydWN0dXJlIHZpYSBEb20wIE5WRElNTSBkcml2ZXIuCgpJZiBuZWl0aGVyIEFEUiBub3IgQUNQ SSBmbHVzaCBoaW50IGFkZHJlc3Mgc3RydWN0dXJlIGlzIGF2YWlsYWJsZSwKcGVyc2lzdGVudCBj YW4gbm90IGJlIGd1YXJhbnRlZWQuCgpUaGFua3MsCkhhb3pob25nCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK