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Mon, 8 Dec 2025 10:11:18 +0800 Received: from RTKEXHMBS01.realtek.com.tw (172.21.6.40) by RTKEXHMBS04.realtek.com.tw (10.21.1.54) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.27; Mon, 8 Dec 2025 10:11:18 +0800 Received: from RTKEXHMBS06.realtek.com.tw (10.21.1.56) by RTKEXHMBS01.realtek.com.tw (172.21.6.40) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Mon, 8 Dec 2025 10:11:18 +0800 Received: from RTKEXHMBS06.realtek.com.tw ([::1]) by RTKEXHMBS06.realtek.com.tw ([fe80::2fa5:eccb:34ee:7bb%10]) with mapi id 15.02.1544.027; Mon, 8 Dec 2025 10:11:18 +0800 From: Ping-Ke Shih To: Zenm Chen CC: "linux-wireless@vger.kernel.org" , "marco.crivellari@suse.com" , "rtl8821cerfe2@gmail.com" Subject: RE: [PATCH rtw-next] Revert "wifi: rtw88: add WQ_UNBOUND to alloc_workqueue users" Thread-Topic: [PATCH rtw-next] Revert "wifi: rtw88: add WQ_UNBOUND to alloc_workqueue users" Thread-Index: AQHcZt66JkU/0qBLKkWq0rXfVDO7QLUW53QQ//+MloCAAI1Y8A== Date: Mon, 8 Dec 2025 02:11:17 +0000 Message-ID: References: <20251208014243.3512-1-zenmchen@gmail.com> In-Reply-To: <20251208014243.3512-1-zenmchen@gmail.com> Accept-Language: en-US, zh-TW Content-Language: zh-TW Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi Zenm, Zenm Chen > Hi, >=20 > Last weekend I tried applying the v1 [1] to the kernel 6.17.9, but that o= ne didn't work, either. >=20 > [1] > https://patchwork.kernel.org/project/linux-wireless/patch/20251113160605.= 381777-3-marco.crivellari@sus > e.com/ >=20 > [ 306.035759] usb 3-2: new high-speed USB device number 5 using ehci-pci > [ 306.162258] usb 3-2: New USB device found, idVendor=3D0bda, idProduct= =3Db82c, bcdDevice=3D 2.10 > [ 306.162272] usb 3-2: New USB device strings: Mfr=3D1, Product=3D2, Ser= ialNumber=3D3 > [ 306.162278] usb 3-2: Product: 802.11ac NIC > [ 306.162282] usb 3-2: Manufacturer: Realtek > [ 306.162286] usb 3-2: SerialNumber: 123456 > [ 306.239143] ------------[ cut here ]------------ > [ 306.239148] WARNING: CPU: 3 PID: 2886 at kernel/workqueue.c:5667 alloc= _workqueue_noprof+0x676/0x770 I think this is because kernel 6.17.9 defines: __WQ_BH_ALLOWS =3D WQ_BH | WQ_HIGHPRI, and the latest is: __WQ_BH_ALLOWS =3D WQ_BH | WQ_HIGHPRI | WQ_PERCPU,