From patchwork Fri Feb 28 19:46:54 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ihor Solodrai X-Patchwork-Id: 13996992 Received: from out-178.mta0.migadu.com (out-178.mta0.migadu.com [91.218.175.178]) (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 AAAD4230BEE for ; Fri, 28 Feb 2025 19:47:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740772038; cv=none; b=O+V1U/xxaoAQcDzYeyQ0dswiivRVymPiifIlK1AzUYM+4WFDabex4dehVg6oBl1oQp+cSOjnb0beu0qB1yUWz8Av0Nms8SxFgM99eV0Xlqlbmzmti4LAMEhnZJxXtghpEIY0SfWv7qB6W2mQdK3h0BWeq2aOP7HgHlC4uKzbfrY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740772038; c=relaxed/simple; bh=vg72N/6DHfjyoSjIakVAL/xbwxGciAKI+kj6lrkH/RI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Nxe/+sQSIMrcausiq/b+OJTgJkWivygHyo+AubqP/qAg8bTLm+OURs552Y+T/S4IjcTKlSZ1xlJNulJ5/Jk9hHi4tKh8miyB5UJif/OikrXKSuSMn2sZwwr3F3jZrA2PCqgL+wLf7nvfB3enCtREKC3qyhL189Lz1AMEAeY7Wj0= 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=pLrAzKZB; arc=none smtp.client-ip=91.218.175.178 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="pLrAzKZB" 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=1740772034; 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=NuvyfCtG+VEG28gEE9qzAwxBAEPojdpIbDgPKLNVZaI=; b=pLrAzKZB9BtHS6yZmEE5aGOB1Th7A7dGasHcsZVmTELMk7HpiqmvtFKNlQS1ogU2Tg4cZI fTXoQZqTZJ4QWZqCE9Y0MyJxQwDH0R5vXoyzf0sc96WW8OmuIXF4LYkacbEGH2cvKCa3Wd ydceeiCFE0GHH8amcBzfJ/vThP4srNw= 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 dwarves v4 6/6] man-pages: describe attributes and remove reproducible_build Date: Fri, 28 Feb 2025 11:46:54 -0800 Message-ID: <20250228194654.1022535-7-ihor.solodrai@linux.dev> In-Reply-To: <20250228194654.1022535-1-ihor.solodrai@linux.dev> References: <20250228194654.1022535-1-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 Reviewed-by: Jiri Olsa --- 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