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Message-ID: <Y+yOsYSRSZV1kwpq@nanopsycho> Date: Wed, 15 Feb 2023 08:50:09 +0100 From: Jiri Pirko <jiri@...nulli.us> To: Jamal Hadi Salim <jhs@...atatu.com> Cc: Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org, xiyou.wangcong@...il.com, davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com, stephen@...workplumber.org, dsahern@...il.com Subject: Re: [PATCH net-next 0/5] net/sched: Retire some tc qdiscs and classifiers Wed, Feb 15, 2023 at 12:05:23AM CET, jhs@...atatu.com wrote: >On Tue, Feb 14, 2023 at 4:41 PM Jakub Kicinski <kuba@...nel.org> wrote: >> >> On Tue, 14 Feb 2023 13:40:13 -0800 Jakub Kicinski wrote: >> > > I think we have to let the UAPI there to rot in order not to break >> > > compilation of apps that use those (no relation to iproute2). >> > >> > Yeah, I was hoping there's no other users but this is the first match >> > on GitHub: >> > >> > https://github.com/t2mune/nield/blob/0c0848d1d1e6c006185465ee96aeb5a13a1589e6/src/tcmsg_qdisc_dsmark.c >> > >> > :( >> >> I mean that in the context of deleting the uAPI, not the support, >> to be clear. > >Looking at that code - the user is keeping their own copy of the uapi >and listening to generated events from the kernel. >With new kernels those events will never come, so they wont be able to >print them. IOW, there's no dependency on the uapi being in the kernel >- but maybe worth keeping. >Note, even if they were to send queries - they will just get a failure back. Guys. I don't think that matters. There might be some non-public code using this headers and we don't want to break them either. I believe we have to stick with it. But perhaps we can include some note there. > >cheers, >jamal
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