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 8CA70288D6; Tue, 20 May 2025 17:06:20 +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=1747760780; cv=none; b=HMT4MrUoQSqprDQC/dkOOJxmbrSDAPYXcuhqc88yvH5i1/qHjx+pmd8t4W/jGkNm0DJRy9rsYUEFFdLzurAL2/+RdT6xKCS3oXwa4AuG/sfnI4QiVPkfnisJbPMwO9NWBtJi6wzdYglyhUoAubDzsRYPZdgexxz2/LGfmdHZovI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747760780; c=relaxed/simple; bh=4+x/WzJqcocQ57G/pMHfGlGvRWRP3I3t99jvTgG0zGI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dU5zjZpOtZPDDlV+53BdBt1z9GpDifWtN5hUpQDetIrN34/F5bDHR0XrO4jDMfkPn6zQuHdf5Xjx/RdyTFM8A4aqmfIzRUcxGXUlP9VdXFpvja3rDj5tw2CMGg3GkTRBoeLHIHvcd2W1cVfcCtAoYfYk1vdXBFOAkpf3ygARp9I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tG9LV55E; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tG9LV55E" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B6680C4CEE9; Tue, 20 May 2025 17:06:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747760780; bh=4+x/WzJqcocQ57G/pMHfGlGvRWRP3I3t99jvTgG0zGI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tG9LV55E86YtwIbQonnRfogH4Z/1ML9Id5+9pe/+Ad6wMpPuSNAKt8dx/W+YEBgeG bc5Ni3p2MJjJFSJ9CHFplXB8nAuvn60pckBrd2z8LqM5g5ENa4bl0Hn9zHn9FvKtkm TIFnxLbNEf21icElfbyAxYpFY2C4m3Ngiue4VRAlNN87ipEfwTe1lwlq7DvF7a3A6b 77BwOp1DcFR60LyCtDTWfrH76CrgKH9JeKH705euQt7bXh6Bsxzx5aawewsYGSG5ly 9JaB5F8pocn6KuNq8y+V04xYVg1r2ZL2kuCwUs46yY+Buw6dNCxegwSMvddxekHxWQ ++5Fgo6DuPFdQ== Date: Tue, 20 May 2025 18:06:15 +0100 From: Simon Horman To: Hariprasad Kelam Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Sunil Goutham , Geetha sowjanya , Subbaraya Sundeep , Bharat Bhushan , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Subject: Re: [net-next] octeontx2-pf: QOS: Perform cache sync on send queue teardown Message-ID: <20250520170615.GO365796@horms.kernel.org> References: <20250520092248.1102707-1-hkelam@marvell.com> Precedence: bulk X-Mailing-List: netdev@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: <20250520092248.1102707-1-hkelam@marvell.com> On Tue, May 20, 2025 at 02:52:48PM +0530, Hariprasad Kelam wrote: > QOS is designed to create a new send queue whenever a class > is created, ensuring proper shaping and scheduling. However, > when multiple send queues are created and deleted in a loop, > SMMU errors are observed. > > This patch addresses the issue by performing an data cache sync > during the teardown of QOS send queues. > > Signed-off-by: Hariprasad Kelam Hi Hariprasad, This feels like a fix and if so: * Warrants a Fixes tag * Should also be targeted at net rather than net-next if it fixes a problem present in net