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Date: Thu, 6 Oct 2022 09:38:32 +0000 From: Vladimir Oltean <vladimir.oltean@....com> To: Vinicius Costa Gomes <vinicius.gomes@...el.com> CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "yannick.vignon@....com" <yannick.vignon@....com>, "jhs@...atatu.com" <jhs@...atatu.com>, "xiyou.wangcong@...il.com" <xiyou.wangcong@...il.com>, "kuba@...nel.org" <kuba@...nel.org>, Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@...el.com> Subject: Re: [PATCH net v1] net/sched: taprio: Fix crash when adding child qdisc On Tue, Oct 04, 2022 at 03:41:30PM -0700, Vinicius Costa Gomes wrote: > I was afraid that this this would happen. I need to stop, grab some tea > and think very carefully how to simplify the lifetime handling of the > children qdiscs. It has become complicated now that the > offloaded/not-offloaded modes are very different internally. Truth be told, it's not like the problem Yannick described in commit 13511704f8d7 ("net: taprio offload: enforce qdisc to netdev queue mapping") is unique only to the offloaded taprio, but I just don't know enough about qdiscs to see a different design than what is currently implemented.
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