From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (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 EBB3D1C5D62 for ; Wed, 4 Jun 2025 13:17:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749043053; cv=none; b=rkL9AXHgAtSi7PItW2JEkLMpiVGXY9oTy1pMdQ/R4sVpEK4Sz1Tg8feD5eFkfqB6YrDNHKONkKVUSjsl1N+w3SqK+lZ4ArqxHhXec1zByR0auHzGaEyLcPh59o4ahPGZt+HaNHrOEpVZlKmZDdwG3WjwSl0WFR0tStow62Lla5A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749043053; c=relaxed/simple; bh=SaOK0ZQAUONqSDIxrsA81+VoVcl56Dr4lAUQABuVeC0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hvFx+5TrMbc08EFwtDgbj5wx21gz4/TODPhhhZjNzTSxUuCGkL8In9zXhShk60D9RvPHTJCbjK/ITO1t8hWm6I8MkcFn+WLP/l1tvWODj4Qbhu6N7XZ1rKnFBdrdeL4/irUigUROJi4w86WSRSpsJRCd6ZXg7lPcvZqdInOJgQM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=d4V+36Wc; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="d4V+36Wc" Received: from francesco-nb (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id 8DA9E1FE30; Wed, 4 Jun 2025 15:17:28 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1749043048; bh=3SyuWV6NHe5fYNpzPQJlhMYrEuX6YZHoeMrEgSPLoms=; h=From:To:Subject; b=d4V+36WcZWgIqZjp5dOifiYFJ/gpF9xDjuGqwJMuOYjGOA3QxMbGycj44f8+ybSj7 hpLQqg0cwH3oD3bDzEJSn8gvVf3Xt0HSS3Mzx7YG0db1/ihSDTeBPhfYBIusGlZz3i ROz2WxrpDhqQmRdKQee4MatPJ0kFvwmFXO6qRPe2Vhg723ERgdQRL149t8kY9oRzEp 0pOosA0g2JH2MdsCwZUVDdFEG8pgh0O2Or9GKasfDm17FfbWWET09F6dDERhSKd0y/ C6OAooIyJEEpMjM3bx213xqJygx/KBX37IEFSMO8HEbg5jgGC0sN2q8hNmmM47AVuG E4jHzlMdmJa3Q== Date: Wed, 4 Jun 2025 15:17:24 +0200 From: Francesco Dolcini To: Greg Kroah-Hartman Cc: Francesco Dolcini , Sasha Levin , stable@vger.kernel.org, patches@lists.linux.dev, Jeff Chen , Francesco Dolcini , Johannes Berg , Vitor Soares Subject: Re: [PATCH 6.12 130/626] wifi: mwifiex: Fix HT40 bandwidth issue. Message-ID: <20250604131724.GA273097@francesco-nb> References: <20250527162445.028718347@linuxfoundation.org> <20250527162450.311998747@linuxfoundation.org> <20250603203337.GA109929@francesco-nb> <2025060408-concur-bubbly-04ea@gregkh> <20250604102352.GB31115@francesco-nb> <2025060419-gloomily-exclusive-dc3c@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2025060419-gloomily-exclusive-dc3c@gregkh> On Wed, Jun 04, 2025 at 12:36:12PM +0200, Greg Kroah-Hartman wrote: > On Wed, Jun 04, 2025 at 12:23:52PM +0200, Francesco Dolcini wrote: > > On Wed, Jun 04, 2025 at 10:39:09AM +0200, Greg Kroah-Hartman wrote: > > > On Tue, Jun 03, 2025 at 10:33:54PM +0200, Francesco Dolcini wrote: > > > > Hello Greg, Sasha > > > > > > > > On Tue, May 27, 2025 at 06:20:23PM +0200, Greg Kroah-Hartman wrote: > > > > > 6.12-stable review patch. If anyone has any objections, please let me know. > > > > > > > > > > ------------------ > > > > > > > > > > From: Jeff Chen > > > > > > > > > > [ Upstream commit 4fcfcbe457349267fe048524078e8970807c1a5b ] > > > > > > > > > > This patch addresses an issue where, despite the AP supporting 40MHz > > > > > bandwidth, the connection was limited to 20MHz. Without this fix, > > > > > even if the access point supports 40MHz, the bandwidth after > > > > > connection remains at 20MHz. This issue is not a regression. > > > > > > > > > > Signed-off-by: Jeff Chen > > > > > Reviewed-by: Francesco Dolcini > > > > > Link: https://patch.msgid.link/20250314094238.2097341-1-jeff.chen_1@nxp.com > > > > > Signed-off-by: Johannes Berg > > > > > Signed-off-by: Sasha Levin > > > > > > > > Can you please drop this patch from any additional stable kernel update? > > > > It seems that on 6.12.y it introduced a regression, we are currently > > > > investigating it and we'll eventually send a revert for 6.12.y. > > > > > > This is already in the following released kernels: > > > 6.12.31 6.14.9 6.15 > > > I'll be glad to queue up the revert when it hits Linus's tree. Is that > > > planned anytime soon? > > > > mainline is not affected, the issues seems specific of the backport on > > 6.12 (6.14 not tested yet), therefore I do not expect any revert in > > Linus tree. > > So 6.15 is not an issue either? > > > I am looking into the details now, to be sure about my finding, I'll > > confirm you in the next few days. > > > > If you prefer to not wait, given that this fix was just improving the > > performance of a specific use case, you can just revert from 6.12.y and > > 6.14.y. > > And 6.15? I'd prefer if you submit the revert as that way it can > contain the relevant information about why the revert is only needed > in the stable kernel(s) and not also in Linus's tree. After more testing I can say that this commit is just broken on every tree, I'll send a revert to mainline soon, and after that you should get it like any other fix. Thanks Francesco