linux-kernel - Re: linux-next: build warnings after merge of the tip tree

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Message-ID: <20220321185503.0dcb5d9c@gandalf.local.home>
Date:   Mon, 21 Mar 2022 18:55:03 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Peter Zijlstra <peterz@...radead.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        "H.J. Lu" <hjl.tools@...il.com>,
        "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>,
        Mike Rapoport <rppt@...nel.org>,
        linux-toolchains <linux-toolchains@...r.kernel.org>,
        Andrew Cooper <Andrew.Cooper3@...rix.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        bpf <bpf@...r.kernel.org>, Networking <netdev@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: linux-next: build warnings after merge of the tip tree

On Mon, 21 Mar 2022 15:50:17 -0700
Alexei Starovoitov <alexei.starovoitov@...il.com> wrote:

> > Peter has other concerns, please read the thread and consider them.  
> 
> Masami is an expert in kprobe. He copy pasted a bit of kprobe logic
> to make it into 'multi kprobe' (he calls it fprobe).
> I believe he knows what he's doing.
> Steven reviewed and tested that set.
> We've tested it as well and don't have any correctness or api concerns.

I tested it from a ftrace perspective, not an IBT or other work being done
in the x86 world.

I'm fine with the work being done in kernel/tracing/ but it still requires
the arch maintainer's acks for anything in arch/. I was under the
impression that the arch specific code was Cc'ing the arch maintainers
(which I always do when I touch their code). But I missed that they were
not. That's my fault, I should have caught that.

-- Steve