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From: Ihor Solodrai <ihor.solodrai@linux.dev>
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	[thread overview]
Message-ID: <20250228194654.1022535-7-ihor.solodrai@linux.dev> (raw)
In-Reply-To: <20250228194654.1022535-1-ihor.solodrai@linux.dev>

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 <ihor.solodrai@linux.dev>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
---
 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
-- 
2.48.1


  parent reply	other threads:[~2025-02-28 19:47 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-28 19:46 [PATCH dwarves v4 0/6] btf_encoder: emit type tags for bpf_arena pointers Ihor Solodrai
2025-02-28 19:46 ` [PATCH dwarves v4 1/6] btf_encoder: refactor btf_encoder__tag_kfuncs() Ihor Solodrai
2025-02-28 19:46 ` [PATCH dwarves v4 2/6] btf_encoder: use __weak declarations of version-dependent libbpf API Ihor Solodrai
2025-02-28 19:53   ` Ihor Solodrai
2025-03-06 17:14     ` Alan Maguire
2025-02-28 19:46 ` [PATCH dwarves v4 3/6] pahole: sync with libbpf mainline Ihor Solodrai
2025-02-28 19:46 ` [PATCH dwarves v4 4/6] btf_encoder: emit type tags for bpf_arena pointers Ihor Solodrai
2025-02-28 19:46 ` [PATCH dwarves v4 5/6] pahole: introduce --btf_feature=attributes Ihor Solodrai
2025-02-28 19:46 ` Ihor Solodrai [this message]
2025-03-20 16:32 ` [PATCH dwarves v4 0/6] btf_encoder: emit type tags for bpf_arena pointers Ihor Solodrai
2025-03-20 20:34   ` Alan Maguire
2025-03-23 11:11     ` Alan Maguire
2025-03-24 18:07       ` Ihor Solodrai
2025-03-24 18:47         ` Ihor Solodrai
2025-03-25  9:59           ` Alan Maguire
2025-03-26 17:41             ` Ihor Solodrai
2025-03-27  8:22               ` Alan Maguire
2025-03-27 15:33                 ` Ihor Solodrai
2025-03-27 15:40                   ` Alan Maguire

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