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Miller" , "Eric Dumazet" , Jakub Kicinski , Paolo Abeni Subject: Re: [net-next] octeontx2-pf: QOS: Perform cache sync on send queue teardown Message-ID: References: <20250520092248.1102707-1-hkelam@marvell.com> <20250520170615.GO365796@horms.kernel.org> 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: <20250520170615.GO365796@horms.kernel.org> X-Authority-Analysis: v=2.4 cv=SMtCVPvH c=1 sm=1 tr=0 ts=682d7b7f cx=c_pps a=rEv8fa4AjpPjGxpoe8rlIQ==:117 a=rEv8fa4AjpPjGxpoe8rlIQ==:17 a=kj9zAlcOel0A:10 a=dt9VzEwgFbYA:10 a=VwQbUJbxAAAA:8 a=M5GUcnROAAAA:8 a=t23tOx8119NCeN4cTkAA:9 a=CjuIK1q_8ugA:10 a=OBjm3rFKGHvpk9ecZwUJ:22 a=lhd_8Stf4_Oa5sg58ivl:22 X-Proofpoint-ORIG-GUID: PVwdN8hdBB8HBBQh2nnlqKgbtslK1qdU X-Proofpoint-GUID: PVwdN8hdBB8HBBQh2nnlqKgbtslK1qdU X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTIxMDA2OCBTYWx0ZWRfXyFLO16LhMdPj 4QvyK1wwECkcehZbXFitX5LN4mv9Ia6VcmdOFqNm3a0ZYp+CH2QB0FvQxL/Vx7A0CRk9h1n/UFa LYlTsOD8eJQMvShXSAD+WPT2HOrGao67azz0PIdS5KWLz7m+qGIvGzSzUdSIaXNN8yJPwuWYMmS eJAawmc7xox8MwHBZ87KBzM8jBhbVvdApZifSiPB1OizzSaCYvYKIA1J/kaw4G0NWSp9QeDlvqJ /Haomni4zofly+vUlCYIXJlFyIMT+UO3XSK/OcbXuoXyAej4gjGH8uXbcDxdNd5+WRDproNnwk0 mmkdZgXKiBpZwzt6dKNTD83vJmxC+qhQNYpPKcesdo+rMiViENmYUvCgKrKbBlCPwVUqnwj6iL+ uPa1hkTVOzFI+V+PcMNdjyUcnuFfbbUYgufoFCokEV1xsZa0BNMmE4jjyLqaJ1mhYgQyFYk5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-21_01,2025-05-20_03,2025-03-28_01 On 2025-05-20 at 22:36:15, Simon Horman (horms@kernel.org) wrote: > 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 > Ack, will post to net