linux-kernel - [PATCH v2 01/11] tools compiler.h: fix _

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Message-ID: <20250919153420.727385-2-benjamin@sipsolutions.net>
Date: Fri, 19 Sep 2025 17:34:10 +0200
From: Benjamin Berg <benjamin@...solutions.net>
To: linux-um@...ts.infradead.org,
	Willy Tarreau <w@....eu>,
	Thomas Weißschuh <linux@...ssschuh.net>,
	linux-kselftest@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: linux-kernel@...r.kernel.org,
	Benjamin Berg <benjamin.berg@...el.com>
Subject: [PATCH v2 01/11] tools compiler.h: fix __used definition

From: Benjamin Berg <benjamin.berg@...el.com>

The define mapped to __attribute__((__unused__)) instead of using
__used__. Having the wrong definition here may result in the linker
incorrectly removing the symbol. Also, this now matches the definition
in include/linux/compiler_attributes.h.

Fixes: e58e871becec ("tools/lib/lockdep: Remove private kernel headers")
Signed-off-by: Benjamin Berg <benjamin.berg@...el.com>
Reviewed-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 tools/include/linux/compiler.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index 33411ca0cc90..b2c40621d441 100644
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -127,7 +127,7 @@
 #endif
 
 #ifndef __used
-# define __used		__attribute__((__unused__))
+# define __used		__attribute__((__used__))
 #endif
 
 #ifndef __packed
-- 
2.51.0