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 13E0C24728A; Wed, 30 Apr 2025 12:06:02 +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=1746014763; cv=none; b=oPBCiLUwkciFkrqbXN99vJownIppvDrNwdHq3sMjA7i3/DhwNiNrS8+TmavqOM4A2+vTCnn3SINCqwgEG3WWaiIerjaqQwBgaO9VB2tavYQ6awQfFbZGBjiKLthKFBr4AwdcKyQR7C1QZXcOYh+FL7ygYd6NO309UmEdZFnmwz4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746014763; c=relaxed/simple; bh=p4Ia0uJ5MnirWACV6j+omnrqlwzuiqI5ZBQ7CoiRF8U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Tsr6iESMBpgk1GlJRlzadIn2ZDB5O2DNy+0gDHmXC1Jl+cCAOP4omDSxxlcYT+5ZWHuFErrli3zyVpc/yi+rkywYlmM79zkGcCBQPeAArMl6BGKAusZVi8qskjd8Y6pSJgCSMIE+HAGvyOVfAJZ3H8je3zXSqXsQssd8mTWy0HI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=L4E8QFwQ; 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="L4E8QFwQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1192FC4CEE9; Wed, 30 Apr 2025 12:06:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1746014762; bh=p4Ia0uJ5MnirWACV6j+omnrqlwzuiqI5ZBQ7CoiRF8U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=L4E8QFwQQyXyFUYkcYwUCF+B6O5PHcOulkBnNTDF7TD+3/8qlPS/U48eCiguDdGL6 m7Mzz+2s/KTx7II902jrvgT8Fpb4m2Tyx+VK61XS1ovaMrFgvrNQMtVSMlfuRyJ5Y4 M3QEypRR8ZKJHfikD7CVUfOyUTLsMwDtA0bYDT1M= Date: Wed, 30 Apr 2025 09:31:50 +0200 From: Greg KH To: Zongmin Zhou Cc: Shuah Khan , Christoph Hellwig , i@zenithal.me, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, shuah@kernel.org, valentina.manea.m@gmail.com, Zongmin Zhou Subject: Re: [PATCH] usbip: set the dma mask to 64bit default for vhci-driver Message-ID: <2025043004-unnerve-slightly-abe8@gregkh> References: <3e1f8fab-0155-4ff9-800d-5fa9df88c48c@linuxfoundation.org> <20250422063409.607859-1-min_halo@163.com> <4c6660a6-29ce-4b97-b092-8fc15585e52a@163.com> <2025042512-corsage-handpick-bf2a@gregkh> <575ce02c-9128-4098-a852-d9e14f14010e@163.com> <2025042812-sinister-shaping-bded@gregkh> <097ad0fd-db38-4174-8e34-4ceb485e7e23@linuxfoundation.org> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, Apr 30, 2025 at 01:24:31PM +0800, Zongmin Zhou wrote: > > With one difference that the fix depends on faux_device feature - hence > > we can't apply it to stables. I do think it is the right direction to > > go to faux_device. > > > I just encountered similar users who were using a lower version of the > kernel and were unwilling to upgrade. That is not our problem here, sorry. > But if reach a consensus to  go to faux_device, > I will try to make the change(converting platform device to faux device for > vhci-hcd). We have said that you should try this, no need for us to ask again. thanks, greg k-h