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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sat, 8 Jul 2023 12:16:11 -0700
Message-ID: <CAHk-=wgRP0qeuTSWtHgDdvgUTfBD1mGwrenbOyJC7_ygsbWCEQ@mail.gmail.com>
Subject: Re: [GIT PULL] perf tools changes for v6.5: 2nd batch
To:     Namhyung Kim <namhyung@kernel.org>
Cc:     Arnaldo Carvalho de Melo <acme@kernel.org>,
        Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Ingo Molnar <mingo@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        LKML <linux-kernel@vger.kernel.org>,
        linux-perf-users@vger.kernel.org
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On Thu, 6 Jul 2023 at 21:26, Namhyung Kim <namhyung@kernel.org> wrote:
>
> Hello Linus,
>
> Please consider pulling more perf tool changes.  These are remaining
> changes and fixes for this cycle.  The last two fixes are relatively
> new but other changes have been sitting on -next for a number of days.

Hmm.

I htink there's some dependency problem in the perf tools build that
just caused a random build error for me:

   util/expr-flex.c:214: error: unterminated #ifdef

that error went away on a re-build, and it's clearly nonsensical when
I look at that file, so it looks to me like somehow the parallel buld
used that file while it 3as being generated.

I don't see anything obviously wrong, and I've only seen this error
once. I've done the pull - I doubt it was introduced by the recent
changes - but I wanted to just mention that there seems to be some
problem in this area..

Am I the only one to have ever seen something like this?

                 Linus