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Tsirkin" To: Stefano Garzarella Subject: Re: [PATCH v3 8/8] vdpa_sim: add support for user VA Message-ID: <20230323074427-mutt-send-email-mst@kernel.org> References: <20230321154804.184577-1-sgarzare@redhat.com> <20230321154804.184577-4-sgarzare@redhat.com> <20230323095006.jvbbdjvkdvhzcehz@sgarzare-redhat> MIME-Version: 1.0 In-Reply-To: <20230323095006.jvbbdjvkdvhzcehz@sgarzare-redhat> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: Andrey Zhadchenko , kvm@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, eperezma@redhat.com, stefanha@redhat.com X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gVGh1LCBNYXIgMjMsIDIwMjMgYXQgMTA6NTA6MDZBTSArMDEwMCwgU3RlZmFubyBHYXJ6YXJl bGxhIHdyb3RlOgo+IE9uIFRodSwgTWFyIDIzLCAyMDIzIGF0IDExOjQyOjA3QU0gKzA4MDAsIEph c29uIFdhbmcgd3JvdGU6Cj4gPiBPbiBUdWUsIE1hciAyMSwgMjAyMyBhdCAxMTo0OOKAr1BNIFN0 ZWZhbm8gR2FyemFyZWxsYSA8c2dhcnphcmVAcmVkaGF0LmNvbT4gd3JvdGU6Cj4gPiA+IAo+ID4g PiBUaGUgbmV3ICJ1c2VfdmEiIG1vZHVsZSBwYXJhbWV0ZXIgKGRlZmF1bHQ6IHRydWUpIGlzIHVz ZWQgaW4KPiA+ID4gdmRwYV9hbGxvY19kZXZpY2UoKSB0byBpbmZvcm0gdGhlIHZEUEEgZnJhbWV3 b3JrIHRoYXQgdGhlIGRldmljZQo+ID4gPiBzdXBwb3J0cyBWQS4KPiA+ID4gCj4gPiA+IHZyaW5n aCBpcyBpbml0aWFsaXplZCB0byB1c2UgVkEgb25seSB3aGVuICJ1c2VfdmEiIGlzIHRydWUgYW5k IHRoZQo+ID4gPiB1c2VyJ3MgbW0gaGFzIGJlZW4gYm91bmQuIFNvLCBvbmx5IHdoZW4gdGhlIGJ1 cyBzdXBwb3J0cyB1c2VyIFZBCj4gPiA+IChlLmcuIHZob3N0LXZkcGEpLgo+ID4gPiAKPiA+ID4g dmRwYXNpbV9tbV93b3JrX2ZuIHdvcmsgaXMgdXNlZCB0byBzZXJpYWxpemUgdGhlIGJpbmRpbmcg dG8gYSBuZXcKPiA+ID4gYWRkcmVzcyBzcGFjZSB3aGVuIHRoZSAuYmluZF9tbSBjYWxsYmFjayBp cyBpbnZva2VkLCBhbmQgdW5iaW5kaW5nCj4gPiA+IHdoZW4gdGhlIC51bmJpbmRfbW0gY2FsbGJh Y2sgaXMgaW52b2tlZC4KPiA+ID4gCj4gPiA+IENhbGwgbW1nZXRfbm90X3plcm8oKS9rdGhyZWFk X3VzZV9tbSgpIGluc2lkZSB0aGUgd29ya2VyIGZ1bmN0aW9uCj4gPiA+IHRvIHBpbiB0aGUgYWRk cmVzcyBzcGFjZSBvbmx5IGFzIGxvbmcgYXMgbmVlZGVkLCBmb2xsb3dpbmcgdGhlCj4gPiA+IGRv Y3VtZW50YXRpb24gb2YgbW1nZXQoKSBpbiBpbmNsdWRlL2xpbnV4L3NjaGVkL21tLmg6Cj4gPiA+ IAo+ID4gPiAgICogTmV2ZXIgdXNlIHRoaXMgZnVuY3Rpb24gdG8gcGluIHRoaXMgYWRkcmVzcyBz cGFjZSBmb3IgYW4KPiA+ID4gICAqIHVuYm91bmRlZC9pbmRlZmluaXRlIGFtb3VudCBvZiB0aW1l Lgo+ID4gCj4gPiBJIHdvbmRlciBpZiBldmVyeXRoaW5nIHdvdWxkIGJlIHNpbXBsaWZpZWQgaWYg d2UganVzdCBhbGxvdyB0aGUgcGFyZW50Cj4gPiB0byBhZHZlcnRpc2Ugd2hldGhlciBvciBub3Qg aXQgcmVxdWlyZXMgdGhlIGFkZHJlc3Mgc3BhY2UuCj4gPiAKPiA+IFRoZW4gd2hlbiB2aG9zdC12 RFBBIHByb2JlcyB0aGUgZGV2aWNlIGl0IGNhbiBzaW1wbHkgYWR2ZXJ0aXNlCj4gPiB1c2Vfd29y ayBhcyB0cnVlIHNvIHZob3N0IGNvcmUgY2FuIHVzZSBnZXRfdGFza19tbSgpIGluIHRoaXMgY2Fz ZT8KPiAKPiBJSVVDIHNldCB1c2VyX3dvcmtlciB0byB0cnVlLCBpdCBhbHNvIGNyZWF0ZXMgdGhl IGt0aHJlYWQgaW4gdGhlIHZob3N0Cj4gY29yZSAoYnV0IHdlIGNhbiBhZGQgYW5vdGhlciB2YXJp YWJsZSB0byBhdm9pZCB0aGlzKS4KPiAKPiBNeSBiaWdnZXN0IGNvbmNlcm4gaXMgdGhlIGNvbW1l bnQgaW4gaW5jbHVkZS9saW51eC9zY2hlZC9tbS5oLgo+IGdldF90YXNrX21tKCkgdXNlcyBtbWdl dCgpLCBidXQgaW4gdGhlIGRvY3VtZW50YXRpb24gdGhleSBhZHZpc2UgYWdhaW5zdAo+IHBpbm5p bmcgdGhlIGFkZHJlc3Mgc3BhY2UgaW5kZWZpbml0ZWx5LCBzbyBJIHByZWZlcnJlZCBpbiBrZWVw aW5nCj4gbW1ncmFiKCkgaW4gdGhlIHZob3N0IGNvcmUsIHRoZW4gY2FsbCBtbWdldF9ub3RfemVy bygpIGluIHRoZSB3b3JrZXIKPiBvbmx5IHdoZW4gaXQgaXMgcnVubmluZy4KPiAKPiBJbiB0aGUg ZnV0dXJlIG1heWJlIG1tIHdpbGwgYmUgdXNlZCBkaWZmZXJlbnRseSBmcm9tIHBhcmVudCBpZiBz b21laG93Cj4gaXQgaXMgc3VwcG9ydGVkIGJ5IGlvbW11LCBzbyBJIHdvdWxkIGxlYXZlIGl0IHRv IHRoZSBwYXJlbnQgdG8gaGFuZGxlCj4gdGhpcy4KPiAKPiBUaGFua3MsCj4gU3RlZmFubwoKSSB0 aGluayBpb21tdWZkIGlzIHN1cHBvc2VkIHRvIGhhbmRsZSBhbGwgdGhpcyBkZXRhaWwsIHllcy4K Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClZpcnR1YWxp emF0aW9uIG1haWxpbmcgbGlzdApWaXJ0dWFsaXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0aW9u Lm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby92 aXJ0dWFsaXphdGlvbg==