linux-kernel - Re: [PATCH] tracing: Set user

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Message-ID: <CAHk-=wgZ0RccFsUhgKpdh130ydsY57bqaCGRQS7w3-ckgHP=OA@mail.gmail.com>
Date:   Wed, 30 Mar 2022 12:28:11 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:     rostedt <rostedt@...dmis.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Beau Belgrave <beaub@...ux.microsoft.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        linux-trace-devel <linux-trace-devel@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, netdev <netdev@...r.kernel.org>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>
Subject: Re: [PATCH] tracing: Set user_events to BROKEN

On Wed, Mar 30, 2022 at 9:54 AM Mathieu Desnoyers
<mathieu.desnoyers@...icios.com> wrote:
>
> If we are not ready to commit to an ABI, perhaps it would be safer to ensure
> that include/uapi/linux/user_events.h is not installed with the uapi headers
> until it's ready.

I don't th8ink the uapi matters if the code then cannot be used.
There's no regression in that.

That said, if we leave the code in the kernel source tree, I feel like
we should probably at least compile-test it.

So maybe it should be marked as

        depends on BROKEN || COMPILE_TEST

instead?

             Linus