linux-kernel - [PATCH 3/9] s390/bug: Use BUG_FORMAT for DEBUG_BUGVERBOSE

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Message-ID: <20251209121701.1856271-4-hca@linux.ibm.com>
Date: Tue,  9 Dec 2025 13:16:55 +0100
From: Heiko Carstens <hca@...ux.ibm.com>
To: Alexander Gordeev <agordeev@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Mark Rutland <mark.rutland@....com>, Arnd Bergmann <arnd@...db.de>,
        Jens Remus <jremus@...ux.ibm.com>,
        Stefan Schulze Frielinghaus <stefansf@...ux.ibm.com>,
        Juergen Christ <jchrist@...ux.ibm.com>
Cc: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Subject: [PATCH 3/9] s390/bug: Use BUG_FORMAT for DEBUG_BUGVERBOSE_DETAILED

This is just the s390 variant of commit 4f1b701f24be ("x86/bug: Use
BUG_FORMAT for DEBUG_BUGVERBOSE_DETAILED").

Signed-off-by: Heiko Carstens <hca@...ux.ibm.com>
---
 arch/s390/include/asm/bug.h | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
index 61496143a382..5a635158cbad 100644
--- a/arch/s390/include/asm/bug.h
+++ b/arch/s390/include/asm/bug.h
@@ -7,11 +7,18 @@
 #ifdef CONFIG_BUG
 
 #ifdef CONFIG_DEBUG_BUGVERBOSE
-#define __BUG_ENTRY_VERBOSE(file, line)					\
+#define __BUG_ENTRY_VERBOSE(format, file, line)				\
+	"	.long	" format " - .	# bug_entry::format\n"		\
 	"	.long	" file " - .	# bug_entry::file\n"		\
 	"	.short	" line "	# bug_entry::line\n"
 #else
-#define __BUG_ENTRY_VERBOSE(file, line)
+#define __BUG_ENTRY_VERBOSE(format, file, line)
+#endif
+
+#ifdef CONFIG_DEBUG_BUGVERBOSE_DETAILED
+#define WARN_CONDITION_STR(cond_str) cond_str
+#else
+#define WARN_CONDITION_STR(cond_str) ""
 #endif
 
 #define __BUG_ASM(cond_str, flags)					\
@@ -20,12 +27,13 @@ do {									\
 		"0:	mc	0,0\n"					\
 		"	.section __bug_table,\"aw\"\n"			\
 		"1:	.long	0b - .	# bug_entry::bug_addr\n"	\
-		__BUG_ENTRY_VERBOSE("%[file]", "%[line]")		\
+		__BUG_ENTRY_VERBOSE("%[frmt]", "%[file]", "%[line]")	\
 		"	.short	%[flgs]	# bug_entry::flags\n"		\
 		"	.org	1b+%[size]\n"				\
 		"	.previous"					\
 		:							\
-		: [file] "i" (WARN_CONDITION_STR(cond_str) __FILE__),	\
+		: [frmt] "i" (WARN_CONDITION_STR(cond_str)),		\
+		  [file] "i" (__FILE__),				\
 		  [line] "i" (__LINE__),				\
 		  [flgs] "i" (flags),					\
 		  [size] "i" (sizeof(struct bug_entry)));		\
@@ -43,6 +51,7 @@ do {									\
 } while (0)
 
 #define HAVE_ARCH_BUG
+#define HAVE_ARCH_BUG_FORMAT
 
 #endif /* CONFIG_BUG */
 
-- 
2.51.0