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Wed, 11 Mar 2020 09:33:48 +0800 Message-ID: <1583890418.17522.6.camel@mtksdccf07> Subject: Re: mmotm 2020-03-03-22-28 uploaded (warning: objtool:) From: Walter Wu To: Peter Zijlstra CC: Randy Dunlap , , , , , , , , , , Josh Poimboeuf , Date: Wed, 11 Mar 2020 09:33:38 +0800 In-Reply-To: <20200305095436.GV2596@hirez.programming.kicks-ass.net> References: <20200304062843.9yA6NunM5%akpm@linux-foundation.org> <20200305081717.GT2596@hirez.programming.kicks-ass.net> <20200305081842.GB2619@hirez.programming.kicks-ass.net> <1583399782.17146.14.camel@mtksdccf07> <20200305095436.GV2596@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVGh1LCAyMDIwLTAzLTA1IGF0IDEwOjU0ICswMTAwLCBQZXRlciBaaWpsc3RyYSB3cm90ZToN Cj4gT24gVGh1LCBNYXIgMDUsIDIwMjAgYXQgMDU6MTY6MjJQTSArMDgwMCwgV2FsdGVyIFd1IHdy b3RlOg0KPiA+IE9uIFRodSwgMjAyMC0wMy0wNSBhdCAwOToxOCArMDEwMCwgUGV0ZXIgWmlqbHN0 cmEgd3JvdGU6DQo+ID4gPiBPbiBUaHUsIE1hciAwNSwgMjAyMCBhdCAwOToxNzoxN0FNICswMTAw LCBQZXRlciBaaWpsc3RyYSB3cm90ZToNCj4gPiA+ID4gT24gV2VkLCBNYXIgMDQsIDIwMjAgYXQg MDk6MzQ6NDlBTSAtMDgwMCwgUmFuZHkgRHVubGFwIHdyb3RlOg0KPiA+ID4gDQo+ID4gPiA+ID4g bW0va2FzYW4vY29tbW9uLm86IHdhcm5pbmc6IG9ianRvb2w6IGthc2FuX3JlcG9ydCgpKzB4MTM6 IGNhbGwgdG8gcmVwb3J0X2VuYWJsZWQoKSB3aXRoIFVBQ0NFU1MgZW5hYmxlZA0KPiA+ID4gPiAN Cj4gPiA+ID4gSSB1c2VkIG5leHQvbWFzdGVyIGluc3RlYWQsIGFuZCBmb3VuZCB0aGUgYmVsb3cg YnJva2VuIGNvbW1pdA0KPiA+ID4gPiByZXNwb25zaWJsZSBmb3IgdGhpcy4NCj4gPiA+IA0KPiA+ ID4gPiBAQCAtNjM0LDEyICs2MzcsMjAgQEAgdm9pZCBrYXNhbl9mcmVlX3NoYWRvdyhjb25zdCBz dHJ1Y3Qgdm1fc3RydWN0ICp2bSkNCj4gPiA+ID4gICNlbmRpZg0KPiA+ID4gPiAgDQo+ID4gPiA+ ICBleHRlcm4gdm9pZCBfX2thc2FuX3JlcG9ydCh1bnNpZ25lZCBsb25nIGFkZHIsIHNpemVfdCBz aXplLCBib29sIGlzX3dyaXRlLCB1bnNpZ25lZCBsb25nIGlwKTsNCj4gPiA+ID4gK2V4dGVybiBi b29sIHJlcG9ydF9lbmFibGVkKHZvaWQpOw0KPiA+ID4gPiAgDQo+ID4gPiA+IC12b2lkIGthc2Fu X3JlcG9ydCh1bnNpZ25lZCBsb25nIGFkZHIsIHNpemVfdCBzaXplLCBib29sIGlzX3dyaXRlLCB1 bnNpZ25lZCBsb25nIGlwKQ0KPiA+ID4gPiArYm9vbCBrYXNhbl9yZXBvcnQodW5zaWduZWQgbG9u ZyBhZGRyLCBzaXplX3Qgc2l6ZSwgYm9vbCBpc193cml0ZSwgdW5zaWduZWQgbG9uZyBpcCkNCj4g PiA+ID4gIHsNCj4gPiA+ID4gLQl1bnNpZ25lZCBsb25nIGZsYWdzID0gdXNlcl9hY2Nlc3Nfc2F2 ZSgpOw0KPiA+ID4gPiArCXVuc2lnbmVkIGxvbmcgZmxhZ3M7DQo+ID4gPiA+ICsNCj4gPiA+ID4g KwlpZiAobGlrZWx5KCFyZXBvcnRfZW5hYmxlZCgpKSkNCj4gPiA+ID4gKwkJcmV0dXJuIGZhbHNl Ow0KPiA+ID4gDQo+ID4gPiBUaGlzIGFkZHMgYW4gZXhwbGljaXQgY2FsbCBiZWZvcmUgdGhlIHVz ZXJfYWNjZXNzX3NhdmUoKSBhbmQgdGhhdCBpcyBhDQo+ID4gPiBzdHJhaWdodCBvbiBidWcuDQo+ ID4gPiANCj4gPiBIaSBQZXRlciwNCj4gPiANCj4gPiBUaGFua3MgZm9yIHlvdXIgaGVscC4gVW5m b3J0dW5hdGVseSwgSSBkb24ndCByZXByb2R1Y2UgaXQgaW4gb3VyDQo+ID4gZW52aXJvbm1lbnQs IHNvIEkgaGF2ZSBhc2tlZCBTdGVwaGVuLCBpZiBJIGNhbiByZXByb2R1Y2UgaXQsIHRoZW4gd2UN Cj4gPiB3aWxsIHNlbmQgbmV3IHBhdGNoLg0KPiANCj4gVGhlIHBhdGNoIGlzIHRyaXZpYWw7IGFu ZCBhbGwgeW91IG5lZWQgaXMgYW4geDg2XzY0IChjcm9zcykgY29tcGlsZXIgdG8NCj4gcmVwcm9k dWNlLg0KPiANCj4gDQo+IGRpZmYgLS1naXQgYS9tbS9rYXNhbi9jb21tb24uYyBiL21tL2thc2Fu L2NvbW1vbi5jDQo+IGluZGV4IGFkMmRjMGM5Y2MxNy4uMjkwNjM1OGU0MmYwIDEwMDY0NA0KPiAt LS0gYS9tbS9rYXNhbi9jb21tb24uYw0KPiArKysgYi9tbS9rYXNhbi9jb21tb24uYw0KPiBAQCAt NjE4LDE2ICs2MTgsMTcgQEAgZXh0ZXJuIGJvb2wgcmVwb3J0X2VuYWJsZWQodm9pZCk7DQo+ICAN Cj4gIGJvb2wga2FzYW5fcmVwb3J0KHVuc2lnbmVkIGxvbmcgYWRkciwgc2l6ZV90IHNpemUsIGJv b2wgaXNfd3JpdGUsIHVuc2lnbmVkIGxvbmcgaXApDQo+ICB7DQo+IC0JdW5zaWduZWQgbG9uZyBm bGFnczsNCj4gKwl1bnNpZ25lZCBsb25nIGZsYWdzID0gdXNlcl9hY2Nlc3Nfc2F2ZSgpOw0KPiAr CWJvb2wgcmV0ID0gZmFsc2U7DQo+ICANCj4gLQlpZiAobGlrZWx5KCFyZXBvcnRfZW5hYmxlZCgp KSkNCj4gLQkJcmV0dXJuIGZhbHNlOw0KPiArCWlmIChsaWtlbHkocmVwb3J0X2VuYWJsZWQoKSkp IHsNCj4gKwkJX19rYXNhbl9yZXBvcnQoYWRkciwgc2l6ZSwgaXNfd3JpdGUsIGlwKTsNCj4gKwkJ cmV0ID0gdHJ1ZTsNCj4gKwl9DQo+ICANCj4gLQlmbGFncyA9IHVzZXJfYWNjZXNzX3NhdmUoKTsN Cj4gLQlfX2thc2FuX3JlcG9ydChhZGRyLCBzaXplLCBpc193cml0ZSwgaXApOw0KPiAgCXVzZXJf YWNjZXNzX3Jlc3RvcmUoZmxhZ3MpOw0KPiAgDQo+IC0JcmV0dXJuIHRydWU7DQo+ICsJcmV0dXJu IHJldDsNCj4gIH0NCj4gIA0KPiAgI2lmZGVmIENPTkZJR19NRU1PUllfSE9UUExVRw0KDQpSZXZp ZXdlZC1hbmQtdGVzdGVkLWJ5OiBXYWx0ZXIgV3UgPHdhbHRlci16aC53dUBtZWRpYXRlay5jb20+ DQoNCkl0IG5lZWQgbmV3ZXIgR0NDIGNvbXBpbGVyKD43LjQpIGVub3VnaCB0byByZXByb2R1Y2Uu DQpUaGFua3MuDQoNCldhbHRlcg0KDQoNCg0KDQoNCg==