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From: Song Liu <song@kernel.org>
To: live-patching@vger.kernel.org
Cc: jpoimboe@kernel.org, jikos@kernel.org, mbenes@suse.cz,
	pmladek@suse.com, joe.lawrence@redhat.com, kernel-team@meta.com,
	Song Liu <song@kernel.org>
Subject: [PATCH v3 4/8] objtool/klp: Also demangle global objects
Date: Wed, 25 Feb 2026 16:54:32 -0800	[thread overview]
Message-ID: <20260226005436.379303-5-song@kernel.org> (raw)
In-Reply-To: <20260226005436.379303-1-song@kernel.org>

With CONFIG_LTO_CLANG_THIN, it is possible to have global __UNIQUE_ID,
such as:

   FUNC    GLOBAL HIDDEN  19745 __UNIQUE_ID_quirk_amd_nb_node_458

Also demangle global objects.

Signed-off-by: Song Liu <song@kernel.org>
---
 tools/objtool/elf.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c
index c784a0484270..d66452d66fb4 100644
--- a/tools/objtool/elf.c
+++ b/tools/objtool/elf.c
@@ -488,9 +488,6 @@ static const char *demangle_name(struct symbol *sym)
 	char *str;
 	ssize_t len;
 
-	if (!is_local_sym(sym))
-		return sym->name;
-
 	if (!is_func_sym(sym) && !is_object_sym(sym))
 		return sym->name;
 
-- 
2.47.3


  parent reply	other threads:[~2026-02-26  0:55 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-26  0:54 [PATCH v3 0/8] objtool/klp: klp-build LTO support and tests Song Liu
2026-02-26  0:54 ` [PATCH v3 1/8] objtool/klp: Remove redundent strcmp in correlate_symbols Song Liu
2026-03-05 19:38   ` Josh Poimboeuf
2026-02-26  0:54 ` [PATCH v3 2/8] objtool/klp: Remove trailing '_' in demangle_name() Song Liu
2026-02-26  0:54 ` [PATCH v3 3/8] objtool/klp: Use sym->demangled_name for symbol_name hash Song Liu
2026-03-05 19:43   ` Josh Poimboeuf
2026-02-26  0:54 ` Song Liu [this message]
2026-02-26  0:54 ` [PATCH v3 5/8] objtool/klp: Remove .llvm suffix in demangle_name() Song Liu
2026-02-26  0:54 ` [PATCH v3 6/8] objtool/klp: Match symbols based on demangled_name for global variables Song Liu
2026-02-26  0:54 ` [PATCH v3 7/8] objtool/klp: Correlate locals to globals Song Liu
2026-03-05 19:51   ` Josh Poimboeuf
2026-03-05 23:10     ` Song Liu
2026-02-26  0:54 ` [PATCH v3 8/8] livepatch: Add tests for klp-build toolchain Song Liu
2026-02-27 10:04   ` Miroslav Benes
2026-02-27 17:26     ` Song Liu
2026-03-02  8:38       ` Miroslav Benes
2026-03-04 19:33         ` Joe Lawrence
2026-03-04 23:12           ` Song Liu
2026-03-05  1:39             ` Joe Lawrence
2026-03-05  5:03               ` Song Liu
2026-03-05 14:08                 ` Petr Mladek
2026-03-05 15:18                   ` Joe Lawrence
2026-03-05 15:20           ` Petr Mladek
2026-03-05 18:50           ` Josh Poimboeuf
2026-03-06  9:13             ` Petr Mladek
2026-03-05 19:33   ` Josh Poimboeuf

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