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Message-ID: <522387f1-3fd3-4ff6-9bb7-eaa746be81af@arm.com>
Date: Tue, 24 Sep 2024 20:44:15 +0100
From: Leo Yan <leo.yan@....com>
To: Ian Rogers <irogers@...gle.com>, Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>,
Namhyung Kim <namhyung@...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>, John Garry <john.g.garry@...cle.com>,
Will Deacon <will@...nel.org>, James Clark <james.clark@...aro.org>,
Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>,
Guo Ren <guoren@...nel.org>, Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
Nick Terrell <terrelln@...com>, Guilherme Amadio <amadio@...too.org>,
Changbin Du <changbin.du@...wei.com>, "Steinar H. Gunderson"
<sesse@...gle.com>, "Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
Aditya Gupta <adityag@...ux.ibm.com>,
Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
Masahiro Yamada <masahiroy@...nel.org>, Huacai Chen <chenhuacai@...nel.org>,
Bibo Mao <maobibo@...ngson.cn>, Kajol Jain <kjain@...ux.ibm.com>,
Anup Patel <anup@...infault.org>,
Shenlin Liang <liangshenlin@...incomputing.com>,
Atish Patra <atishp@...osinc.com>, Oliver Upton <oliver.upton@...ux.dev>,
Chen Pei <cp0613@...ux.alibaba.com>, Dima Kogan <dima@...retsauce.net>,
Alexander Lobakin <aleksander.lobakin@...el.com>,
"David S. Miller" <davem@...emloft.net>,
Przemek Kitszel <przemyslaw.kitszel@...el.com>,
linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
Yang Jihong <yangjihong@...edance.com>
Subject: Re: [PATCH v1 00/11] Libdw/dwarf build clean up
On 9/24/2024 5:04 PM, Ian Rogers wrote:
> The patches remove the conditional compilation assuming the
> features are in libdw where the feature test is expanded to check
> there pressence.
>
> In the Makefile code dwarf tends to mean unwind or libdw support for
> dwarf things. To make it clearer when dwarf really just means libdw
> numerous build variables and defines are renamed.
>
> There is some tech debt in the changes as perf check still reports the
> values using the old name and for features that are no longer tested.
I built for Arm64 target with static and dynamic linkage, both can build
successfully in Ubuntu 24.04 and Debian bookworm. FWIW:
Tested-by: Leo Yan <leo.yan@....com>
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