From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B3A37255F36; Wed, 30 Apr 2025 00:16:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745972217; cv=none; b=iOjRlONIdiI30COZaZJ1M1fh05x2ueWg4tskuvFsPXwmkU7lC5GR/Hm8FFb9AkUoFZny0d3jGO1+SC1DPhkvVkttgdEZuJvejyIoH27IJpoQMFaGcMr4YHn19HgVqf03pecV/wHeF9LhAlC2bznWccuuBOUDiC2FOJibuocelpI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745972217; c=relaxed/simple; bh=EuhYMPtN24wFpetIjEk5bJ0wQu/lkgDl2Mh3Emi0/YM=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=BGuA0vR6TaKCTVzafxFOgErXB8oJz7QSdsOgLk9ENgqhTyPE1bfEGrCHYKAqtmPQBxbI0zyRTPIx1lowmcZNXnd1Ak4+uDgZNthXvVWgzZMcmPaHhuaJJuMTvtb91Ee/oxy+uEVKHBIvcIAAamySNA6vl1yXQjtopjKdSdahJXQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com; spf=pass smtp.mailfrom=realtek.com; dkim=temperror (0-bit key) header.d=realtek.com header.i=@realtek.com header.b=CKxUxPFQ; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realtek.com Authentication-Results: smtp.subspace.kernel.org; dkim=temperror (0-bit key) header.d=realtek.com header.i=@realtek.com header.b="CKxUxPFQ" X-SpamFilter-By: ArmorX SpamTrap 5.78 with qID 53U0GlGI22014676, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=realtek.com; s=dkim; t=1745972207; bh=EuhYMPtN24wFpetIjEk5bJ0wQu/lkgDl2Mh3Emi0/YM=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:Content-Transfer-Encoding:MIME-Version; b=CKxUxPFQnv21cRUvFBRLhFHcaAAwsbqSjCpzi7jgbZgtn68eBDSkoaBI1xjHsEixG d7E7QtiEtFuBALR63UglMWSpMTfqaX9LLwloShHU69uZjZEtzC2Qn8S4TGzGyQ/GCE gdDjuIc+vnLRZgJw+kghfatRtkxLDDoj+oWTM6w/5/NpbGG29hAmIHm6XegNwhtsTj E11+7H4QsULFh04lIUOU/AaQAHd5FvZ7gcAT3RxfbuZG6+knaE1dC8o6kep2l0jEpd ZrGZPqBrvXz+PncGkGQkEvN3ZRW15os0MpgNPA4s4kqP7RNLDYktijFJ+J12+axUAY JY0S/EQAd43bw== Received: from mail.realtek.com (rtexh36506.realtek.com.tw[172.21.6.27]) by rtits2.realtek.com.tw (8.15.2/3.06/5.92) with ESMTPS id 53U0GlGI22014676 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 30 Apr 2025 08:16:47 +0800 Received: from RTEXMBS03.realtek.com.tw (172.21.6.96) by RTEXH36506.realtek.com.tw (172.21.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Wed, 30 Apr 2025 08:16:48 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXMBS03.realtek.com.tw (172.21.6.96) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Wed, 30 Apr 2025 08:16:47 +0800 Received: from RTEXMBS04.realtek.com.tw ([fe80::4c19:b586:6e71:3622]) by RTEXMBS04.realtek.com.tw ([fe80::4c19:b586:6e71:3622%5]) with mapi id 15.01.2507.035; Wed, 30 Apr 2025 08:16:47 +0800 From: Ping-Ke Shih To: =?iso-8859-2?Q?Ond=F8ej_Jirman?= CC: "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH rtw-next v3 2/2] wifi: rtw89: Fix inadverent sharing of struct ieee80211_supported_band data Thread-Topic: [PATCH rtw-next v3 2/2] wifi: rtw89: Fix inadverent sharing of struct ieee80211_supported_band data Thread-Index: AQHbuQJsTe1wuXvirkCMDKYarBy5Y7O7WAzg Date: Wed, 30 Apr 2025 00:16:47 +0000 Message-ID: <7b2405f82b8f4b879d10453dde55a7f3@realtek.com> References: <20250429122916.1734879-1-megi@xff.cz> <20250429122916.1734879-3-megi@xff.cz> In-Reply-To: <20250429122916.1734879-3-megi@xff.cz> Accept-Language: en-US, zh-TW Content-Language: zh-TW x-kse-serverinfo: RTEXMBS03.realtek.com.tw, 9 x-kse-antispam-interceptor-info: fallback x-kse-antivirus-interceptor-info: fallback Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-KSE-AntiSpam-Interceptor-Info: fallback Ond=F8ej Jirman wrote: >=20 > Internally wiphy writes to individual channels in this structure, > so we must not share one static definition of channel list between > multiple device instances, because that causes hard to debug > breakage. >=20 > For example, with two rtw89 driven devices in the system, channel > information may get incoherent, preventing channel use. >=20 > Signed-off-by: Ondrej Jirman Acked-by: Ping-Ke Shih Thanks for your prompt work. :-)