From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <1501112787.4073.49.camel@redhat.com> Subject: Re: KVM "fake DAX" flushing interface - discussion From: Rik van Riel Date: Wed, 26 Jul 2017 19:46:27 -0400 In-Reply-To: References: <1455443283.33337333.1500618150787.JavaMail.zimbra@redhat.com> <20170724102330.GE652@quack2.suse.cz> <1157879323.33809400.1500897967669.JavaMail.zimbra@redhat.com> <20170724123752.GN652@quack2.suse.cz> <1888117852.34216619.1500992835767.JavaMail.zimbra@redhat.com> <1501016375.26846.21.camel@redhat.com> <1063764405.34607875.1501076841865.JavaMail.zimbra@redhat.com> <1501104453.26846.45.camel@redhat.com> Mime-Version: 1.0 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: Dan Williams Cc: Kevin Wolf , Pankaj Gupta , Jan Kara , xiaoguangrong eric , kvm-devel , Stefan Hajnoczi , Ross Zwisler , Qemu Developers , Stefan Hajnoczi , "linux-nvdimm@lists.01.org" , Paolo Bonzini , Nitesh Narayan Lal List-ID: T24gV2VkLCAyMDE3LTA3LTI2IGF0IDE0OjQwIC0wNzAwLCBEYW4gV2lsbGlhbXMgd3JvdGU6Cj4g T24gV2VkLCBKdWwgMjYsIDIwMTcgYXQgMjoyNyBQTSwgUmlrIHZhbiBSaWVsIDxyaWVsQHJlZGhh dC5jb20+Cj4gd3JvdGU6Cj4gPiBPbiBXZWQsIDIwMTctMDctMjYgYXQgMDk6NDcgLTA0MDAsIFBh bmthaiBHdXB0YSB3cm90ZToKPiA+ID4gPiAKPiA+ID4gCj4gPiA+IEp1c3Qgd2FudCB0byBzdW1t YXJpemUgaGVyZShoaWdoIGxldmVsKToKPiA+ID4gCj4gPiA+IFRoaXMgd2lsbCByZXF1aXJlIGlt cGxlbWVudGluZyBuZXcgJ3ZpcnRpby1wbWVtJyBkZXZpY2Ugd2hpY2gKPiA+ID4gcHJlc2VudHMK PiA+ID4gYSBEQVggYWRkcmVzcyByYW5nZShsaWtlIHBtZW0pIHRvIGd1ZXN0IHdpdGggcmVhZC93 cml0ZShkaXJlY3QKPiA+ID4gYWNjZXNzKQo+ID4gPiAmIGRldmljZSBmbHVzaCBmdW5jdGlvbmFs aXR5LiBBbHNvLCBxZW11IHNob3VsZCBpbXBsZW1lbnQKPiA+ID4gY29ycmVzcG9uZGluZwo+ID4g PiBzdXBwb3J0IGZvciBmbHVzaCB1c2luZyB2aXJ0aW8uCj4gPiA+IAo+ID4gCj4gPiBBbHRlcm5h dGl2ZWx5LCB0aGUgZXhpc3RpbmcgcG1lbSBjb2RlLCB3aXRoCj4gPiBhIGZsdXNoLW9ubHkgYmxv Y2sgZGV2aWNlIG9uIHRoZSBzaWRlLCB3aGljaAo+ID4gaXMgc29tZWhvdyBhc3NvY2lhdGVkIHdp dGggdGhlIHBtZW0gZGV2aWNlLgo+ID4gCj4gPiBJIHdvbmRlciB3aGljaCBhbHRlcm5hdGl2ZSBs ZWFkcyB0byB0aGUgbGVhc3QKPiA+IGNvZGUgZHVwbGljYXRpb24sIGFuZCB0aGUgbGVhc3QgbWFp bnRlbmFuY2UKPiA+IGhhc3NsZSBnb2luZyBmb3J3YXJkLgo+IAo+IEknZCBtdWNoIHByZWZlciB0 byBoYXZlIGFub3RoZXIgZHJpdmVyLiBJLmUuIGEgZHJpdmVyIHRoYXQgcmVmYWN0b3JzCj4gb3V0 IHNvbWUgY29tbW9uIHBtZW0gZGV0YWlscyBpbnRvIGEgc2hhcmVkIG9iamVjdCBhbmQgY2FuIGF0 dGFjaCB0bwo+IE5EX0RFVklDRV9OQU1FU1BBQ0Vfe0lPLFBNRU19LiBBIGNvbnRyb2wgZGV2aWNl IG9uIHRoZSBzaWRlIHNlZW1zCj4gbGlrZQo+IGEgcmVjaXBlIGZvciBjb25mdXNpb24uCgpBdCB0 aGF0IHBvaW50LCB3b3VsZCBpdCBtYWtlIHNlbnNlIHRvIGV4cG9zZSB0aGVzZSBzcGVjaWFsCnZp cnRpby1wbWVtIGFyZWFzIHRvIHRoZSBndWVzdCBpbiBhIHNsaWdodGx5IGRpZmZlcmVudCB3YXks CnNvIHRoZSByZWdpb25zIHRoYXQgbmVlZCB2aXJ0aW8gZmx1c2hpbmcgYXJlIG5vdCBib3VuZCBi eQp0aGUgcmVndWxhciBkcml2ZXIsIGFuZCB0aGUgcmVndWxhciBkcml2ZXIgY2FuIGNvbnRpbnVl IHRvCndvcmsgZm9yIG1lbW9yeSByZWdpb25zIHRoYXQgYXJlIGJhY2tlZCBieSBhY3R1YWwgcG1l bSBpbgp0aGUgaG9zdD8KCj4gV2l0aCBhICRuZXdfZHJpdmVyIGluIGhhbmQgeW91IGNhbiBqdXN0 IGRvOgo+IAo+IMKgwqDCoG1vZHByb2JlICRuZXdfZHJpdmVyCj4gwqDCoMKgZWNobyAkbmFtZXNw YWNlID4gL3N5cy9idXMvbmQvZHJpdmVycy9uZF9wbWVtL3VuYmluZAo+IMKgwqDCoGVjaG8gJG5h bWVzcGFjZSA+IC9zeXMvYnVzL25kL2RyaXZlcnMvJG5ld19kcml2ZXIvbmV3X2lkCj4gwqDCoMKg ZWNobyAkbmFtZXNwYWNlID4gL3N5cy9idXMvbmQvZHJpdmVycy8kbmV3X2RyaXZlci9iaW5kCj4g Cj4gLi4uYW5kIHRoZSBndWVzdCBjYW4gYXJyYW5nZSBmb3IgJG5ld19kcml2ZXIgdG8gYmUgdGhl IGRlZmF1bHQsIHNvCj4geW91Cj4gZG9uJ3QgbmVlZCB0byBkbyB0aG9zZSBzdGVwcyBlYWNoIGJv b3Qgb2YgdGhlIFZNLCBieSBkb2luZzoKPiAKPiDCoMKgwqDCoGVjaG8gImJsYWNrbGlzdCBuZF9w bWVtIiA+IC9ldGMvbW9kcHJvYmUuZC92aXJ0LWRheC1mbHVzaC5jb25mCj4gwqDCoMKgwqBlY2hv ICJhbGlhcyBuZDp0NCogJG5ld19kcml2ZXIiID4+IC9ldGMvbW9kcHJvYmUuZC92aXJ0LWRheC0K PiBmbHVzaC5jb25mCj4gwqDCoMKgwqBlY2hvICJhbGlhcyBuZDp0NSogJG5ld19kcml2ZXIiID4+ IC9ldGMvbW9kcHJvYmUuZC92aXJ0LWRheC0KPiBmbHVzaC5jb25mCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LW52ZGltbSBtYWlsaW5nIGxpc3QK TGludXgtbnZkaW1tQGxpc3RzLjAxLm9yZwpodHRwczovL2xpc3RzLjAxLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2xpbnV4LW52ZGltbQo=