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Fri, 10 Jan 2025 10:26:55 -0800 (PST) Received: from localhost ([2601:646:9e00:f56e:123b:cea3:439a:b3e3]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-72d4056da5fsm1835945b3a.70.2025.01.10.10.26.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jan 2025 10:26:54 -0800 (PST) Date: Fri, 10 Jan 2025 10:26:54 -0800 From: Stanislav Fomichev To: Joe Damato , Alex Lazar , "aleksander.lobakin@intel.com" , "almasrymina@google.com" , "bigeasy@linutronix.de" , "bjorn@rivosinc.com" , Dan Jurgens , "davem@davemloft.net" , "donald.hunter@gmail.com" , "dsahern@kernel.org" , "edumazet@google.com" , "hawk@kernel.org" , "jiri@resnulli.us" , "johannes.berg@intel.com" , "kuba@kernel.org" , "leitao@debian.org" , "leon@kernel.org" , "linux-kernel@vger.kernel.org" , "linux-rdma@vger.kernel.org" , "lorenzo@kernel.org" , "michael.chan@broadcom.com" , "mkarsten@uwaterloo.ca" , "netdev@vger.kernel.org" , "pabeni@redhat.com" , Saeed Mahameed , "sdf@fomichev.me" , "skhawaja@google.com" , "sridhar.samudrala@intel.com" , Tariq Toukan , "willemdebruijn.kernel@gmail.com" , "xuanzhuo@linux.alibaba.com" , Gal Pressman , Nimrod Oren , Dror Tennenbaum , Dragos Tatulea Subject: Re: [net-next v6 0/9] Add support for per-NAPI config via netlink Message-ID: References: <550af81b-6d62-4fc3-9df3-2d74989f4ca0@nvidia.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=utf-8 Content-Disposition: inline In-Reply-To: On 01/10, Joe Damato wrote: > On Mon, Dec 30, 2024 at 09:31:23AM -0500, Joe Damato wrote: > > On Mon, Dec 23, 2024 at 08:17:08AM +0000, Alex Lazar wrote: > > > > > [...] > > > > > > > Hi Joe, > > > > > > Thanks for the quick response. > > > Comments inline, If you need more details or further clarification, > > > please let me know. > > > > As mentioned above and in my previous emails: please provide lot > > more detail and make it as easy as possible for me to reproduce this > > issue with the simplest reproducer possible and a much more detailed > > explanation. > > > > Please note: I will be out of the office until Jan 9 so my responses > > will be limited until then. > > Just to follow up on this for anyone who missed the other thread, > Stanislav proposed a patch which _might_ fix the issue being hit > here. > > Please see [1], try that patch, and report back if that patch fixes > the issue. > > Thanks. > > [1]: https://lore.kernel.org/netdev/20250109003436.2829560-1-sdf@fomichev.me/ Note that it might help only if xsk is using busy-polling. Not sure that's the case, it's relatively obscure feature :-)