From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0404219992C for ; Mon, 20 Oct 2025 13:27:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760966865; cv=none; b=uS/zVNx67rnddpu/y8QizyRxkL0eK/3Um5KQs3UqTea7ZfYpV7sq62LtUnCAWbnyrLaGqVnx876wFsi2j5tdzn70K1xihkwaDV8nz1YaUGsKtA6653WDDQAWXr3iK7cEvhQ7OVAoXEOTAhOUXggmkoMFxGUqYaVV6MkEC8+YLjM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760966865; c=relaxed/simple; bh=h2/GbkF3PfBPYeYqEo7zZjBBKRfhelNEtPM6jgbzd44=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gWsNJTS8T+AFmqcGF/k0xDXxzn+ksxVHTlAs4i6PSqOtjylfYdjff3zKcA1QpUpefYgwg+0PqrYdjdArQuMImZQP1wJ5tUPH5QdZ1aciKJuLvFHCmtBP+hYRnNyUPVERdN8kXv5wq3lY+zyCxZLKkBC1mlZTTD+H9vRskL3uwlA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=geE3YmbZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="geE3YmbZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E0EAC4CEF9; Mon, 20 Oct 2025 13:27:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760966864; bh=h2/GbkF3PfBPYeYqEo7zZjBBKRfhelNEtPM6jgbzd44=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=geE3YmbZsDrnbMKcqhTDwk5lgd8uoWtuKTLj9vctsqlKlgqEvqEfE4U6c6zPs/aJq v2yTfjsN/PTF2mIYbcMFujhiu7DzZwdJwu3cffBScOVeqXR7dvACC2AhAiNv3IZUg7 0V4E70fhvz6LwY6qiObd7onV9JoGEMfIuHloBWN0= Date: Mon, 20 Oct 2025 15:27:41 +0200 From: Greg KH To: Benjamin Tissoires Cc: stable@vger.kernel.org, Jiri Kosina Subject: Re: [PATCH 6.12.y] HID: multitouch: fix sticky fingers Message-ID: <2025102027-capsule-bottle-6760@gregkh> References: <2025102008-likewise-rubbing-d48b@gregkh> <20251020124315.2908333-1-bentiss@kernel.org> 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: On Mon, Oct 20, 2025 at 02:52:24PM +0200, Benjamin Tissoires wrote: > On Oct 20 2025, bentiss@kernel.org wrote: > > From: Benjamin Tissoires > > > > commit 46f781e0d151844589dc2125c8cce3300546f92a upstream. > > > > The sticky fingers quirk (MT_QUIRK_STICKY_FINGERS) was only considering > > the case when slots were not released during the last report. > > This can be problematic if the firmware forgets to release a finger > > while others are still present. > > > > This was observed on the Synaptics DLL0945 touchpad found on the Dell > > XPS 9310 and the Dell Inspiron 5406. > > > > Fixes: 4f4001bc76fd ("HID: multitouch: fix rare Win 8 cases when the touch up event gets missing") > > Cc: stable@vger.kernel.org > > Signed-off-by: Benjamin Tissoires > > Signed-off-by: Jiri Kosina > > Signed-off-by: Benjamin Tissoires > > --- > > Greg, > > This backport also applies cleanly up to 5.10. Though I'm not sure we > want to go that far in the history TBH. > > Can you also take this version and apply it to 6.1+? (or do you want me > to send individual rebases for each tree?) I've taken it back to 5.10.y as-is, thanks! greg k-h