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Mon, 06 Oct 2025 16:02:55 -0700 (PDT) Received: from chromium.org ([50.235.115.130]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-57b5ec55bc7sm5422226173.69.2025.10.06.16.02.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Oct 2025 16:02:54 -0700 (PDT) From: Simon Glass To: linux-arm-kernel@lists.infradead.org Cc: Chen-Yu Tsai , Ahmad Fatoum , Masahiro Yamada , =?UTF-8?q?J=20=2E=20Neusch=C3=A4fer?= , Nicolas Schier , Tom Rini , Simon Glass , David Sterba , Nick Terrell , linux-kernel@vger.kernel.org Subject: [PATCH v4 6/7] scripts/make_fit: Support a few more parallel compressors Date: Mon, 6 Oct 2025 17:01:57 -0600 Message-ID: <20251006230205.521341-7-sjg@chromium.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251006230205.521341-1-sjg@chromium.org> References: <20251006230205.521341-1-sjg@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add support for pbzip2 and plzip which can compress in parallel. This speeds up the ramdisk compression. Signed-off-by: Simon Glass --- (no changes since v1) scripts/make_fit.py | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/scripts/make_fit.py b/scripts/make_fit.py index 3db129f40b20..10a040f4eb83 100755 --- a/scripts/make_fit.py +++ b/scripts/make_fit.py @@ -57,10 +57,10 @@ import libfdt CompTool =3D collections.namedtuple('CompTool', 'ext,tools') =20 COMP_TOOLS =3D { - 'bzip2': CompTool('.bz2', 'bzip2'), + 'bzip2': CompTool('.bz2', 'pbzip2,bzip2'), 'gzip': CompTool('.gz', 'pigz,gzip'), 'lz4': CompTool('.lz4', 'lz4'), - 'lzma': CompTool('.lzma', 'lzma'), + 'lzma': CompTool('.lzma', 'plzip,lzma'), 'lzo': CompTool('.lzo', 'lzop'), 'zstd': CompTool('.zstd', 'zstd'), } @@ -220,7 +220,12 @@ def compress_data(inf, compress): done =3D False for tool in comp.tools.split(','): try: - subprocess.call([tool, '-c'], stdin=3Dinf, stdout=3Dou= tf) + # Add parallel flags for tools that support them + cmd =3D [tool] + if tool in ('zstd', 'xz'): + cmd.extend(['-T0']) # Use all available cores + cmd.append('-c') + subprocess.call(cmd, stdin=3Dinf, stdout=3Doutf) done =3D True break except FileNotFoundError: --=20 2.43.0