From patchwork Wed Feb 12 20:15:52 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ihor Solodrai X-Patchwork-Id: 13972409 Received: from out-175.mta0.migadu.com (out-175.mta0.migadu.com [91.218.175.175]) (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 9887E200B99 for ; Wed, 12 Feb 2025 20:16:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.175 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739391372; cv=none; b=piAo0+sCOIu3fmzBjyFS50UR8bWemELFSe1TdUaOaOFhYrMcFDmfXH3Tw3PS2ha0YECE+uzhg9CSw2u0DY1D+C5+ZemaEkUilIhcOdyTa/b4g2QI+MmIlZYGuQslaCU2xBqaME+CBaMVPxWRna2vysjjclXrJ+AIv+qCbk1t4Ms= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739391372; c=relaxed/simple; bh=GFyble7KuoWR/jBfqDDUBdFOzcNGu3Z0y3DubKzEwnU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bh0HTREfR5jrUiLMgtmrzMcpIP+VQS48dTPV1hfieczGlW/l3fAiroJGywr/r1IuYcApuBuLpaBVq9yzF2RNfmwy0GuKb+Wl/AtzwgpbRf4/G3CyBnMK6d5UP8QC1DwxXU4BS+nsRvc2IaPp9diic1vUxNhsHiUnPQdXvtjlIEI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=ZnABwTop; arc=none smtp.client-ip=91.218.175.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="ZnABwTop" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1739391366; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AwQAEFegtRF3r37vnzwyzjrcZBx48QWnNDQGd6H58hc=; b=ZnABwTopJ7G2oAuQaic4rTlahMf3meU+08I6qGVFozFoCdUxD/4osfYVKxo0PFbp2tzX0l 1zkW0hLHKbzh5xDITtBRv7uclhTkn91ccfJCrpskt8JRU2SUSQP8M7DQ38iGJiFA7W4M8x DC3oGmuTVIhGZ78Ne7BENXWNbpnxO7U= From: Ihor Solodrai To: dwarves@vger.kernel.org, bpf@vger.kernel.org Cc: acme@kernel.org, alan.maguire@oracle.com, ast@kernel.org, andrii@kernel.org, eddyz87@gmail.com, mykolal@fb.com, kernel-team@meta.com Subject: [PATCH v2 dwarves 4/4] man-pages: describe attributes and remove reproducible_build Date: Wed, 12 Feb 2025 12:15:52 -0800 Message-ID: <20250212201552.1431219-5-ihor.solodrai@linux.dev> In-Reply-To: <20250212201552.1431219-1-ihor.solodrai@linux.dev> References: <20250212201552.1431219-1-ihor.solodrai@linux.dev> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT Add a description of the new --btf_feature=attributes. Also remove reproducible_build description, as it is now a moot feature flag. Signed-off-by: Ihor Solodrai --- man-pages/pahole.1 | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/man-pages/pahole.1 b/man-pages/pahole.1 index 39e7b46..3125de3 100644 --- a/man-pages/pahole.1 +++ b/man-pages/pahole.1 @@ -327,9 +327,10 @@ Encode BTF using the specified feature list, or specify 'default' for all standa Supported non-standard features (not enabled for 'default') .nf - reproducible_build Ensure generated BTF is consistent every time; - without this parallel BTF encoding can result in - inconsistent BTF ids. + attributes Allow generation of decl_tags and type_tags with + kind_flag = 1. These tags can be used to encode + arbitrary compiler attributes in BTF, but are + backward incompatible. decl_tag_kfuncs Inject a BTF_KIND_DECL_TAG for each discovered kfunc. distilled_base For split BTF, generate a distilled version of the associated base BTF to support later relocation