linux-kernel - Re: [PATCH v3] perf symbol: Move demangling code out of symbol-elf.c

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Message-ID: <aDeLou32h8k1ECJc@google.com>
Date: Wed, 28 May 2025 15:18:10 -0700
From: Namhyung Kim <namhyung@...nel.org>
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@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>,
	Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
	James Clark <james.clark@...aro.org>,
	Howard Chu <howardchu95@...il.com>,
	Weilin Wang <weilin.wang@...el.com>,
	Stephen Brennan <stephen.s.brennan@...cle.com>,
	Andi Kleen <ak@...ux.intel.com>, Dmitry Vyukov <dvyukov@...gle.com>,
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] perf symbol: Move demangling code out of symbol-elf.c

On Wed, May 28, 2025 at 02:08:58PM -0700, Ian Rogers wrote:
> symbol-elf.c is used when building with libelf, symbol-minimal is used
> otherwise. There is no reason the demangling code with no dependencies
> on libelf is part of symbol-elf.c so move to symbol.c. This allows
> demangling tests to pass with NO_LIBELF=1.
> 
> Structurally, while moving the functions rename demangle_sym to
> dso__demangle_sym which is already a function exposed in symbol.h and
> the only purpose of which in symbol-elf.c was to call
> demangle_sym. Change the calls to demangle_sym in symbol-elf.c to
> calls to dso__demangle_sym.
> 
> Signed-off-by: Ian Rogers <irogers@...gle.com>

Acked-by: Namhyung Kim <namhyung@...nel.org>

Thanks,
Namhyung