linux-kernel - [PATCH 4/5] lib/Kconfig.debug: Use CONFIG_PAHOLE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230222112141.278066-5-maennich@google.com>
Date:   Wed, 22 Feb 2023 11:21:45 +0000
From:   maennich@...gle.com
To:     linux-kernel@...r.kernel.org
Cc:     kernel-team@...roid.com, maennich@...gle.com,
        stable@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Subject: [PATCH 4/5] lib/Kconfig.debug: Use CONFIG_PAHOLE_VERSION

From: Nathan Chancellor <nathan@...nel.org>

Now that CONFIG_PAHOLE_VERSION exists, use it in the definition of
CONFIG_PAHOLE_HAS_SPLIT_BTF and CONFIG_PAHOLE_HAS_BTF_TAG to reduce the
amount of duplication across the tree.

Signed-off-by: Nathan Chancellor <nathan@...nel.org>
Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
Acked-by: Andrii Nakryiko <andrii@...nel.org>
Link: https://lore.kernel.org/bpf/20220201205624.652313-5-nathan@kernel.org
Signed-off-by: Matthias Maennich <maennich@...gle.com>
---
 lib/Kconfig.debug | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index f71db0cc3bf1..0743c9567d7e 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -328,7 +328,15 @@ config DEBUG_INFO_BTF
 	  DWARF type info into equivalent deduplicated BTF type info.
 
 config PAHOLE_HAS_SPLIT_BTF
-	def_bool $(success, test `$(PAHOLE) --version | sed -E 's/v([0-9]+)\.([0-9]+)/\1\2/'` -ge "119")
+	def_bool PAHOLE_VERSION >= 119
+
+config PAHOLE_HAS_BTF_TAG
+	def_bool PAHOLE_VERSION >= 123
+	depends on CC_IS_CLANG
+	help
+	  Decide whether pahole emits btf_tag attributes (btf_type_tag and
+	  btf_decl_tag) or not. Currently only clang compiler implements
+	  these attributes, so make the config depend on CC_IS_CLANG.
 
 config DEBUG_INFO_BTF_MODULES
 	def_bool y
-- 
2.39.2.637.g21b0678d19-goog