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Tue, 22 Aug 2023 13:46:53 +0800 From: Ping-Ke Shih To: Kalle Valo CC: Sergey Korolev , "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: PROBLEM: kernel warns about voluntary context switch within RCU critical section in rtw88_usb Thread-Topic: PROBLEM: kernel warns about voluntary context switch within RCU critical section in rtw88_usb Thread-Index: AQHZ1Du6L7NM3D3q6kaezl/cutgsbq/1i5bggABCY6yAAACHgA== Date: Tue, 22 Aug 2023 05:46:53 +0000 Message-ID: References: <87pm3fws4m.fsf@kernel.org> In-Reply-To: <87pm3fws4m.fsf@kernel.org> Accept-Language: en-US, zh-TW Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.21.69.188] x-kse-serverinfo: RTEXMBS06.realtek.com.tw, 9 x-kse-antispam-interceptor-info: fallback x-kse-antivirus-interceptor-info: fallback Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogS2FsbGUgVmFsbyA8a3Zh bG9Aa2VybmVsLm9yZz4NCj4gU2VudDogVHVlc2RheSwgQXVndXN0IDIyLCAyMDIzIDE6NDIgUE0N Cj4gVG86IFBpbmctS2UgU2hpaCA8cGtzaGloQHJlYWx0ZWsuY29tPg0KPiBDYzogU2VyZ2V5IEtv cm9sZXYgPGtvcm9sZXYuc2VyZ2V5QGdtYWlsLmNvbT47IGxpbnV4LXdpcmVsZXNzQHZnZXIua2Vy bmVsLm9yZzsNCj4gbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZw0KPiBTdWJqZWN0OiBSZTog UFJPQkxFTToga2VybmVsIHdhcm5zIGFib3V0IHZvbHVudGFyeSBjb250ZXh0IHN3aXRjaCB3aXRo aW4gUkNVIGNyaXRpY2FsIHNlY3Rpb24gaW4gcnR3ODhfdXNiDQo+IA0KPiBQaW5nLUtlIFNoaWgg PHBrc2hpaEByZWFsdGVrLmNvbT4gd3JpdGVzOg0KPiANCj4gPiBGcm9tOiBTZXJnZXkgS29yb2xl diA8a29yb2xldi5zZXJnZXlAZ21haWwuY29tPg0KPiA+IFNlbnQ6IE1vbmRheSwgQXVndXN0IDIx LCAyMDIzIDEwOjI4IFBNDQo+ID4gVG86IFBpbmctS2UgU2hpaCA8cGtzaGloQHJlYWx0ZWsuY29t PjsgS2FsbGUgVmFsbyA8a3ZhbG9Aa2VybmVsLm9yZz47IGxpbnV4LXdpcmVsZXNzQHZnZXIua2Vy bmVsLm9yZzsNCj4gbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZw0KPiA+IFN1YmplY3Q6IFBS T0JMRU06IGtlcm5lbCB3YXJucyBhYm91dCB2b2x1bnRhcnkgY29udGV4dCBzd2l0Y2ggd2l0aGlu IFJDVSBjcml0aWNhbCBzZWN0aW9uIGluIHJ0dzg4X3VzYg0KPiA+Pg0KPiA+PiBQbGVhc2Ugbm90 ZSBJIHVzZSBhbiB1bm1vZGlmaWVkIGRyaXZlciBmcm9tIHRoZSB1cHN0cmVhbSAyOGMxMWMyOTQ5 NGYxYjM0ZTM5NjQxZWVhZDljNjBhOGJkMjYxNzBkDQo+ID4+ICgid2lmaTogcnR3ODg6IGZpeCBu b3QgZW50ZXJpbmcgUFMgbW9kZSBhZnRlciBBUCBzdG9wcyIpIGJ1aWxkIGZvciA2LjIga2VybmVs IChVYnVudHUgMjMuMDQpLg0KPiA+DQo+ID4gSSBmZWVsIE1hcnRpbiBoYXMgYmVlbiBhZGRyZXNz ZWQgdGhpcyBwcm9ibGVtIGR1cmluZyBkZXZlbG9wbWVudCBvZiBTRElPIGFuZCBVU0INCj4gPiBi eSA4YTFlMmZkOGUyZGEgKCJ3aWZpOiBydHc4ODogTW92ZSByZWdpc3RlciBhY2Nlc3MgZnJvbSBy dHdfYmZfYXNzb2MoKSBvdXRzaWRlIHRoZSBSQ1UiKQ0KPiA+IFBsZWFzZSB0YWtlIGEgbG9vayBp ZiB0aGlzIHBhdGNoIGlzIGV4aXN0aW5nIGluIHlvdXIgc291cmNlLg0KPiANCj4gQ29tbWl0IDhh MWUyZmQ4ZTJkYSB3YXMgbWVyZ2VkIHRvIHY2LjMtcmMxIHNvIHY2LjIgd29uJ3QgaGF2ZSBpdC4N Cj4gDQoNClNlcmdleSBzYWlkIGhlIHVzZXMgZHJpdmVyIGZyb20gMjhjMTFjMjk0OTRmIHRoYXQg aXMgdjYuNC1yYzUgb3IgdjYuNSwgc28NCnNlZW1pbmdseSBpdCBzaG91bGQgaW5jbHVkZSBNYXJ0 aW4ncyBwYXRjaC4gTm90IHN1cmUgd2hhdCBpcyB3cm9uZy4NCg0KUGluZy1LZQ0KDQo=