linux-kernel - Re: [PATCH v1 11/11] perf build: Rename PERF_HAVE_DWARF_REGS to PERF_HAVE_LIBDW

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Message-ID: <ZvTUo_nbr_gKaJrs@google.com>
Date: Wed, 25 Sep 2024 20:27:31 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
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	Yang Jihong <yangjihong@...edance.com>
Subject: Re: [PATCH v1 11/11] perf build: Rename PERF_HAVE_DWARF_REGS to
 PERF_HAVE_LIBDW_REGS

On Tue, Sep 24, 2024 at 09:04:18AM -0700, Ian Rogers wrote:
> The name dwarf can imply libunwind support, whereas
> PERF_HAVE_DWARF_REGS is only enabled with libdw support. Rename to
> make it clearer there is a libdw connection.

While it only covers libdw, I think the idea of this macro is whether
the arch has register mappings defined in DWARF standard.  So I think
it's better to keep the name for this case.

Thanks,
Namhyung