linux-kernel - [PATCH v1 0/4] perf: Remove libcrypto dependency

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Message-ID: <20250521225307.743726-1-yuzhuo@google.com>
Date: Wed, 21 May 2025 15:53:03 -0700
From: Yuzhuo Jing <yuzhuo@...gle.com>
To: 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>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	Liang Kan <kan.liang@...ux.intel.com>, Nathan Chancellor <nathan@...nel.org>, 
	Nick Desaulniers <nick.desaulniers+lkml@...il.com>, Bill Wendling <morbo@...gle.com>, 
	Justin Stitt <justinstitt@...gle.com>, "Steven Rostedt (Google)" <rostedt@...dmis.org>, 
	James Clark <james.clark@...aro.org>, Tomas Glozar <tglozar@...hat.com>, Leo Yan <leo.yan@....com>, 
	Guilherme Amadio <amadio@...too.org>, Yuzhuo Jing <yuzhuo@...gle.com>, 
	Yang Jihong <yangjihong@...edance.com>, 
	"Masami Hiramatsu (Google)" <mhiramat@...nel.org>, Adhemerval Zanella <adhemerval.zanella@...aro.org>, 
	Wei Yang <richard.weiyang@...il.com>, Ard Biesheuvel <ardb@...nel.org>, 
	"Mike Rapoport (Microsoft)" <rppt@...nel.org>, Athira Rajeev <atrajeev@...ux.vnet.ibm.com>, 
	Kajol Jain <kjain@...ux.ibm.com>, Aditya Gupta <adityag@...ux.ibm.com>, 
	Charlie Jenkins <charlie@...osinc.com>, "Steinar H. Gunderson" <sesse@...gle.com>, 
	"Dr. David Alan Gilbert" <linux@...blig.org>, Herbert Xu <herbert@...dor.apana.org.au>, 
	Jeff Johnson <jeff.johnson@....qualcomm.com>, Al Viro <viro@...iv.linux.org.uk>, 
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org, 
	llvm@...ts.linux.dev
Subject: [PATCH v1 0/4] perf: Remove libcrypto dependency

Currently, genelf.c is the only file in the perf tool that depends on
libcrypto (e.g. openssl), which only uses it to calculate a SHA1/MD5
Build ID.  This patch series pulls in the SHA1 implementation from the
kernel tree, and removes the libcrypto dependency from perf.  This also
switches the default Build ID calculation method from MD5 to the more
commonly used SHA1.

Yuzhuo Jing (4):
  perf utils: Add support functions for sha1 utils
  perf tools: Add sha1 utils
  perf genelf: Remove libcrypto dependency and use sha1 utils
  tools: Remove libcrypto dependency

 tools/build/Makefile.feature            |   2 -
 tools/build/feature/Makefile            |   4 -
 tools/build/feature/test-all.c          |   5 -
 tools/build/feature/test-libcrypto.c    |  25 -----
 tools/include/linux/bitops.h            |  10 ++
 tools/include/linux/compiler.h          |  17 ++++
 tools/include/linux/string.h            |  22 +++++
 tools/perf/Documentation/perf-check.txt |   1 -
 tools/perf/Makefile.config              |  13 ---
 tools/perf/Makefile.perf                |   3 -
 tools/perf/builtin-check.c              |   1 -
 tools/perf/tests/make                   |   4 +-
 tools/perf/util/Build                   |   2 +
 tools/perf/util/genelf.c                |  72 ++------------
 tools/perf/util/sha1.c                  | 122 ++++++++++++++++++++++++
 tools/perf/util/sha1.h                  |  41 ++++++++
 tools/perf/util/sha1_base.h             | 103 ++++++++++++++++++++
 tools/perf/util/sha1_generic.c          |  49 ++++++++++
 18 files changed, 373 insertions(+), 123 deletions(-)
 delete mode 100644 tools/build/feature/test-libcrypto.c
 create mode 100644 tools/perf/util/sha1.c
 create mode 100644 tools/perf/util/sha1.h
 create mode 100644 tools/perf/util/sha1_base.h
 create mode 100644 tools/perf/util/sha1_generic.c

-- 
2.49.0.1164.gab81da1b16-goog