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From: Ping-Ke Shih <pkshih@realtek.com>
To: Zenm Chen <zenmchen@gmail.com>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"marco.crivellari@suse.com" <marco.crivellari@suse.com>,
	"rtl8821cerfe2@gmail.com" <rtl8821cerfe2@gmail.com>
Subject: RE: [PATCH rtw-next] Revert "wifi: rtw88: add WQ_UNBOUND to alloc_workqueue users"
Date: Mon, 8 Dec 2025 02:11:17 +0000	[thread overview]
Message-ID: <c5ea34777592402caeb7fb83af7d6f07@realtek.com> (raw)
In-Reply-To: <20251208014243.3512-1-zenmchen@gmail.com>

Hi Zenm,

Zenm Chen <zenmchen@gmail.com>
> Hi,
> 
> Last weekend I tried applying the v1 [1] to the kernel 6.17.9, but that one didn't work, either.
> 
> [1]
> https://patchwork.kernel.org/project/linux-wireless/patch/20251113160605.381777-3-marco.crivellari@sus
> e.com/
> 
> [  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=0bda, idProduct=b82c, bcdDevice= 2.10
> [  306.162272] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> [  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          = WQ_BH | WQ_HIGHPRI,

and the latest is:

__WQ_BH_ALLOWS          = WQ_BH | WQ_HIGHPRI | WQ_PERCPU,



  reply	other threads:[~2025-12-08  2:11 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-06 18:32 [PATCH rtw-next] Revert "wifi: rtw88: add WQ_UNBOUND to alloc_workqueue users" Bitterblue Smith
2025-12-08  0:40 ` Ping-Ke Shih
2025-12-08  1:42   ` Zenm Chen
2025-12-08  2:11     ` Ping-Ke Shih [this message]
2025-12-08  3:20       ` Zenm Chen
2025-12-08  3:46         ` Ping-Ke Shih
2025-12-09  9:56   ` Marco Crivellari
2025-12-10  0:17     ` Ping-Ke Shih
2025-12-10  9:58       ` Marco Crivellari
2025-12-15  8:49 ` Ping-Ke Shih

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