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[34.85.165.172]) by smtp.gmail.com with ESMTPSA id 00721157ae682-7a370ef3fa5sm47715847b3.42.2026.04.05.19.23.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Apr 2026 19:23:27 -0700 (PDT) Date: Sun, 05 Apr 2026 22:23:27 -0400 From: Willem de Bruijn To: Jason Xing , davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, willemb@google.com, martin.lau@kernel.org Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, Jason Xing , Yushan Zhou Message-ID: In-Reply-To: <20260404150452.83904-3-kerneljasonxing@gmail.com> References: <20260404150452.83904-1-kerneljasonxing@gmail.com> <20260404150452.83904-3-kerneljasonxing@gmail.com> Subject: Re: [PATCH net-next v2 2/4] tcp: advance the tsflags check to save cycles 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-Transfer-Encoding: 7bit Jason Xing wrote: > From: Jason Xing > > Check the tsflags first to see if the socket timestamping is enabled. > If so, then try to fetch the last skb from either write queue or > retransmission queue. This message does not explain why this change is made.