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[195.231.47.46]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6a59e2ddad2sm12297384a12.30.2026.08.25.01.47.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Aug 2026 01:47:14 -0700 (PDT) Message-ID: <7aed7185-d48c-4013-9a85-a8b27cf7eae3@redhat.com> Date: Tue, 25 Aug 2026 10:47:13 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net] net: fix spurious TX timeout after dev_activate() To: Nicolai Buchwitz , Breno Leitao Cc: Jamal Hadi Salim , Jiri Pirko , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Simon Horman , Florian Westphal , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, stable@vger.kernel.org References: <20260824-trans_start-v1-1-0419cc427ed9@debian.org> <4f3857029d855ed4e513ae01a2e8f018@tipi-net.de> Content-Language: en-US From: Paolo Abeni In-Reply-To: <4f3857029d855ed4e513ae01a2e8f018@tipi-net.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 8/24/26 5:13 PM, Nicolai Buchwitz wrote: >> diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c >> index ef2b4bf515641..4539dc2c6d380 100644 >> --- a/net/sched/sch_generic.c >> +++ b/net/sched/sch_generic.c >> @@ -1278,7 +1278,7 @@ static void transition_one_qdisc(struct >> net_device *dev, >> >> rcu_assign_pointer(dev_queue->qdisc, new_qdisc); >> if (need_watchdog_p) { >> - WRITE_ONCE(dev_queue->trans_start, 0); >> + WRITE_ONCE(dev_queue->trans_start, jiffies); >> *need_watchdog_p = 1; >> } >> } > > Follow up or v2: netif_trans_update() in dev_activate() now seems > redundant? IMHO should be a follow-up. /P