linux-kernel - Re: [PATCH -tip v8 0/6] tracing/probes: uaccess: Add support user-space access

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Message-ID: <20190514140113.GI3198@kernel.org>
Date:   Tue, 14 May 2019 11:01:13 -0300
From:   Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Shuah Khan <shuah@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org,
        Andy Lutomirski <luto@...capital.net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Changbin Du <changbin.du@...il.com>,
        Jann Horn <jannh@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Andy Lutomirski <luto@...nel.org>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Nadav Amit <namit@...are.com>,
        Joel Fernandes <joel@...lfernandes.org>, yhs@...com
Subject: Re: [PATCH -tip v8 0/6] tracing/probes: uaccess: Add support
 user-space access

Em Tue, May 14, 2019 at 02:02:53PM +0900, Masami Hiramatsu escreveu:
> On Mon, 13 May 2019 15:38:24 -0300 Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> > Em Fri, May 10, 2019 at 12:12:49AM +0900, Masami Hiramatsu escreveu:
> > > In this version, I fixed some typos/style issues and renamed fields
> > > according to Ingo's comment, and added Ack from Steve.
> > > 
> > > Also this version is rebased on the latest -tip/master tree.
> > 
> > Ingo, since this touches 'perf probe' and Steven already provided an
> > Acked-by, if you're ok with it I can process these, testing the 'perf
> > probe' changes and then ship it to you in my next pull req, ok?
> 
> Thanks Arnaldo! For the perf probe enhancement, it should work on
> the kernel which doesn't support 'u' prefix. :)

Sure, I'll test that case too, i.e. old kernel + new tool, old tool +
new kernel, new tool + new kernel, as usual.

- Arnaldo