From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 66FBC275861; Fri, 5 Dec 2025 04:41:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764909679; cv=none; b=lBmi5jnaL8o5VJhqFKChpYYqSMKiA2WwjfwCo0sY5nRtu1zVmiPw2OnpaxXB/JFOApFYlDDxSC62J7kxxOc2DRfCKib3G8BGSxJWB4tPuOjzHdfhLwOolKm/lsP15qxyaeLo+IJAujP1PBK7p2fKkskKbgRDvb7AQPD+eppMrPk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764909679; c=relaxed/simple; bh=GdEhun3cR/92HV9I3xif4vkj50h42eNKF9Jmt5SKwaw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hIw0tBC+NQQGKL8ejfHQhpH4wugMVnSRwJSUs26bvVlzRCpd/X7+p0YBfRR3EnTU9Gk7YMEvWh2Xtc7twtyC6zPDjwKg7OohfFtCFB7PilGGb8AGBv5nojWntxEXaXtFB95AT8hKv3hzHM0G208ktxmtXiQBeSdPsqo+WuRVQRI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jaZN2bLL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jaZN2bLL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7529CC4CEF1; Fri, 5 Dec 2025 04:41:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764909678; bh=GdEhun3cR/92HV9I3xif4vkj50h42eNKF9Jmt5SKwaw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=jaZN2bLLhUud8G1DgWgzUjUfmjiP1OM0+DAGo1kjyTO9Xmj2eHjbBPc/0FsISYlFV NdxdC9+FXaH9hU1b3Pl9aMDjSLxRbgM0b45/AHxepqSU2bEQp59JFyYKYUDb/qsUXL bwpN9DRnuBwxZ0W0w5rMpWpr8y+prn4m/l+jSoSEOqz4alwI02h216p5uagmET5zxp gwGe+R9jpZ+boVmJYe/yOAkFzUi6fDHwSVC9zyIs694hHH0SxlPc+EFfsykJc4RdVL 1Ml/DW+Zni7a49xx5Pb2GlxE7GZDELVxmmPChUDvKvc/lYpgBBEAoyWFcyv58UxWkE 5UNIsU8JTtoaw== Date: Thu, 4 Dec 2025 20:39:24 -0800 From: Eric Biggers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , linux-perf-users@vger.kernel.org Cc: Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Fangrui Song , Pablo Galindo , "Jason A . Donenfeld" , linux-crypto@vger.kernel.org Subject: Re: [PATCH] perf genelf: Switch from SHA-1 to BLAKE2s for build ID generation Message-ID: <20251205043924.GA6421@sol> References: <20251205043121.62356-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251205043121.62356-1-ebiggers@kernel.org> On Thu, Dec 04, 2025 at 08:31:21PM -0800, Eric Biggers wrote: > --- > tools/perf/tests/util.c | 78 ++++++++++++-------- > tools/perf/util/Build | 2 +- > tools/perf/util/blake2s.c | 151 ++++++++++++++++++++++++++++++++++++++ > tools/perf/util/blake2s.h | 73 ++++++++++++++++++ > tools/perf/util/genelf.c | 58 +++++++-------- > tools/perf/util/sha1.c | 97 ------------------------ > tools/perf/util/sha1.h | 6 -- > 7 files changed, 302 insertions(+), 163 deletions(-) > create mode 100644 tools/perf/util/blake2s.c > create mode 100644 tools/perf/util/blake2s.h > delete mode 100644 tools/perf/util/sha1.c > delete mode 100644 tools/perf/util/sha1.h Forgot to mention: this applies to next-20251204, or alternatively to the latest perf-tools-next (d509d14fff783969904954eaf5d94f092c6fce19) - Eric