linux-kernel - Re: [PATCH] perf test: Fix dwarf unwind for optimized builds.

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Message-ID: <CANiq72kV-hcmf17_rzywuKXe5U0kwCOb52SihwZHUK0z0AsECA@mail.gmail.com>
Date:   Sun, 15 Nov 2020 13:04:38 +0100
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Miguel Ojeda <ojeda@...nel.org>,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH] perf test: Fix dwarf unwind for optimized builds.

On Sat, Nov 14, 2020 at 9:14 PM Ian Rogers <irogers@...gle.com> wrote:
>
> Unfortunately no GCC version actually has this fixed.

Then we can say GCC <= 11 does not support it yet or something like that.

> This seems overly complex and unnecessary.

How is 1 condition more complex than 3 different ones?

Cheers,
Miguel