From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Wang, Xiao W" Subject: Re: [PATCH v2] igb_uio: allow multi-process access Date: Tue, 19 Dec 2017 09:23:21 +0000 Message-ID: References: <1512784653-128951-1-git-send-email-xiao.w.wang@intel.com> <1513698140-92837-1-git-send-email-xiao.w.wang@intel.com> <20171219090433.3jymojar7of3mkdm@debian-xvivbkq> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "Yigit, Ferruh" , "dev@dpdk.org" , "stephen@networkplumber.org" To: "Bie, Tiwei" Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id B17C41B00B for ; Tue, 19 Dec 2017 10:23:24 +0100 (CET) In-Reply-To: <20171219090433.3jymojar7of3mkdm@debian-xvivbkq> Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" VGhhbmtzIGZvciBwb2ludGluZyBpdCBvdXQuIEZpeCBpdCBpbiB2My4NCg0KQlJzLA0KWGlhbw0K DQo+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQo+IEZyb206IEJpZSwgVGl3ZWkNCj4gU2Vu dDogVHVlc2RheSwgRGVjZW1iZXIgMTksIDIwMTcgNTowNSBQTQ0KPiBUbzogV2FuZywgWGlhbyBX IDx4aWFvLncud2FuZ0BpbnRlbC5jb20+DQo+IENjOiBZaWdpdCwgRmVycnVoIDxmZXJydWgueWln aXRAaW50ZWwuY29tPjsgZGV2QGRwZGsub3JnOw0KPiBzdGVwaGVuQG5ldHdvcmtwbHVtYmVyLm9y Zw0KPiBTdWJqZWN0OiBSZTogW2RwZGstZGV2XSBbUEFUQ0ggdjJdIGlnYl91aW86IGFsbG93IG11 bHRpLXByb2Nlc3MgYWNjZXNzDQo+IA0KPiBIaSwNCj4gDQo+IE9uIFR1ZSwgRGVjIDE5LCAyMDE3 IGF0IDA3OjQyOjIwQU0gLTA4MDAsIFhpYW8gV2FuZyB3cm90ZToNCj4gPiBAQCAtMzM2LDYgKzMz NywxMCBAQCBzdHJ1Y3QgcnRlX3Vpb19wY2lfZGV2IHsNCj4gPiAgCXN0cnVjdCBwY2lfZGV2ICpk ZXYgPSB1ZGV2LT5wZGV2Ow0KPiA+ICAJaW50IGVycjsNCj4gPg0KPiA+ICsJYXRvbWljX2luYygm dWRldi0+cmVmY250KTsNCj4gPiArCWlmIChhdG9taWNfcmVhZCgmdWRldi0+cmVmY250KSA+IDEp DQo+IA0KPiBUaGUgImluYyBhbmQgcmVhZCIgc2hvdWxkIGJlIGF0b21pYy4gT3RoZXJ3aXNlIGJl bG93DQo+IHNlcXVlbmNlIG1heSBoYXBwZW46DQo+IA0KPiBQMTogYXRvbWljX2luYygmdWRldi0+ cmVmY250KTsNCj4gUDI6IGF0b21pY19pbmMoJnVkZXYtPnJlZmNudCk7DQo+IFAxOiBpZiAoYXRv bWljX3JlYWQoJnVkZXYtPnJlZmNudCkgPiAxKQ0KPiBQMjogaWYgKGF0b21pY19yZWFkKCZ1ZGV2 LT5yZWZjbnQpID4gMSkNCj4gDQo+ID4gKwkJcmV0dXJuIDA7DQo+ID4gKw0KPiA+ICAJLyogc2V0 IGJ1cyBtYXN0ZXIsIHdoaWNoIHdhcyBjbGVhcmVkIGJ5IHRoZSByZXNldCBmdW5jdGlvbiAqLw0K PiA+ICAJcGNpX3NldF9tYXN0ZXIoZGV2KTsNCj4gPg0KPiA+IEBAIC0zNTQsNiArMzU5LDEwIEBA IHN0cnVjdCBydGVfdWlvX3BjaV9kZXYgew0KPiA+ICAJc3RydWN0IHJ0ZV91aW9fcGNpX2RldiAq dWRldiA9IGluZm8tPnByaXY7DQo+ID4gIAlzdHJ1Y3QgcGNpX2RldiAqZGV2ID0gdWRldi0+cGRl djsNCj4gPg0KPiA+ICsJYXRvbWljX2RlYygmdWRldi0+cmVmY250KTsNCj4gPiArCWlmIChhdG9t aWNfcmVhZCgmdWRldi0+cmVmY250KSA+IDApDQo+ID4gKwkJcmV0dXJuIDA7DQo+IA0KPiBEaXR0 by4NCj4gDQo+IEJlc3QgcmVnYXJkcywNCj4gVGl3ZWkgQmllDQo+IA0KPiA+ICsNCj4gPiAgCS8q IGRpc2FibGUgaW50ZXJydXB0cyAqLw0KPiA+ICAJaWdidWlvX3BjaV9kaXNhYmxlX2ludGVycnVw dHModWRldik7DQo+ID4NCj4gPiAtLQ0KPiA+IDEuOC4zLjENCj4gPg0K