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From: Ingo Molnar <mingo@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-arch@vger.kernel.org,
	Madhavan Srinivasan <maddy@linux.ibm.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Naveen N Rao <naveen@kernel.org>,
	linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 06/15] bugs/powerpc: Pass in 'cond_str' to BUG_ENTRY()
Date: Thu, 15 May 2025 14:46:35 +0200	[thread overview]
Message-ID: <20250515124644.2958810-7-mingo@kernel.org> (raw)
In-Reply-To: <20250515124644.2958810-1-mingo@kernel.org>

Pass in the condition string from __WARN_FLAGS(), WARN_ON()
and BUG_ON(), but don't use it yet.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Naveen N Rao <naveen@kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: <linux-arch@vger.kernel.org>
---
 arch/powerpc/include/asm/bug.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h
index 34d39ec79720..b5537ba176b5 100644
--- a/arch/powerpc/include/asm/bug.h
+++ b/arch/powerpc/include/asm/bug.h
@@ -51,7 +51,7 @@
 	".previous\n"
 #endif
 
-#define BUG_ENTRY(insn, flags, ...)			\
+#define BUG_ENTRY(cond_str, insn, flags, ...)		\
 	__asm__ __volatile__(				\
 		"1:	" insn "\n"			\
 		_EMIT_BUG_ENTRY				\
@@ -67,12 +67,12 @@
  */
 
 #define BUG() do {						\
-	BUG_ENTRY("twi 31, 0, 0", 0);				\
+	BUG_ENTRY("", "twi 31, 0, 0", 0);			\
 	unreachable();						\
 } while (0)
 #define HAVE_ARCH_BUG
 
-#define __WARN_FLAGS(cond_str, flags) BUG_ENTRY("twi 31, 0, 0", BUGFLAG_WARNING | (flags))
+#define __WARN_FLAGS(cond_str, flags) BUG_ENTRY(cond_str, "twi 31, 0, 0", BUGFLAG_WARNING | (flags))
 
 #ifdef CONFIG_PPC64
 #define BUG_ON(x) do {						\
@@ -80,7 +80,7 @@
 		if (x)						\
 			BUG();					\
 	} else {						\
-		BUG_ENTRY(PPC_TLNEI " %4, 0", 0, "r" ((__force long)(x)));	\
+		BUG_ENTRY(#x, PPC_TLNEI " %4, 0", 0, "r" ((__force long)(x)));	\
 	}							\
 } while (0)
 
@@ -90,7 +90,7 @@
 		if (__ret_warn_on)				\
 			__WARN();				\
 	} else {						\
-		BUG_ENTRY(PPC_TLNEI " %4, 0",			\
+		BUG_ENTRY(#x, PPC_TLNEI " %4, 0",			\
 			  BUGFLAG_WARNING | BUGFLAG_TAINT(TAINT_WARN),	\
 			  "r" (__ret_warn_on));	\
 	}							\
-- 
2.45.2


  parent reply	other threads:[~2025-05-15 12:47 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-15 12:46 [PATCH 00/15] Implement CONFIG_DEBUG_BUGVERBOSE_DETAILED=y, to improve WARN_ON_ONCE() output by adding the condition string Ingo Molnar
2025-05-15 12:46 ` [PATCH 01/15] bugs/core: Extend __WARN_FLAGS() with the 'cond_str' parameter Ingo Molnar
2025-05-15 12:46 ` [PATCH 02/15] bugs/core: Pass down the condition string of WARN_ON_ONCE(cond) warnings to __WARN_FLAGS() Ingo Molnar
2025-05-15 12:46 ` [PATCH 03/15] bugs/core: Introduce the CONFIG_DEBUG_BUGVERBOSE_DETAILED Kconfig switch Ingo Molnar
2025-05-15 12:46 ` [PATCH 04/15] bugs/x86: Extend _BUG_FLAGS() with the 'cond_str' parameter Ingo Molnar
2025-05-15 12:46 ` [PATCH 05/15] bugs/x86: Augment warnings output by concatenating 'cond_str' with the regular __FILE__ string in _BUG_FLAGS() Ingo Molnar
2025-05-15 12:46 ` Ingo Molnar [this message]
2025-05-15 12:46 ` [PATCH 07/15] bugs/powerpc: Concatenate 'cond_str' with '__FILE__' in BUG_ENTRY(), to extend WARN_ON/BUG_ON output Ingo Molnar
2025-05-15 12:46 ` [PATCH 08/15] bugs/LoongArch: Pass in 'cond_str' to __BUG_ENTRY() Ingo Molnar
2025-05-15 12:46 ` [PATCH 09/15] bugs/LoongArch: Concatenate 'cond_str' with '__FILE__' in __BUG_ENTRY(), to extend WARN_ON/BUG_ON output Ingo Molnar
2025-05-15 12:46 ` [PATCH 10/15] bugs/s390: Pass in 'cond_str' to __EMIT_BUG() Ingo Molnar
2025-05-20 13:39   ` Heiko Carstens
2025-06-09  8:27     ` [PATCH 16/15] bugs/s390: Use " Ingo Molnar
2025-06-09 15:56       ` Heiko Carstens
2025-05-15 12:46 ` [PATCH 11/15] bugs/riscv: Pass in 'cond_str' to __BUG_FLAGS() Ingo Molnar
2025-05-15 12:46 ` [PATCH 12/15] bugs/riscv: Concatenate 'cond_str' with '__FILE__' in __BUG_FLAGS(), to extend WARN_ON/BUG_ON output Ingo Molnar
2025-05-16 15:09   ` Alexandre Ghiti
2025-05-16 15:45     ` Ingo Molnar
2025-05-15 12:46 ` [PATCH 13/15] bugs/parisc: Concatenate 'cond_str' with '__FILE__' in __WARN_FLAGS(), " Ingo Molnar
2025-05-15 15:28   ` Helge Deller
2025-05-15 15:31     ` Ingo Molnar
2025-05-15 12:46 ` [PATCH 14/15] bugs/sh: " Ingo Molnar
2025-05-15 12:56   ` John Paul Adrian Glaubitz
2025-05-15 13:33     ` Ingo Molnar
2025-05-15 13:35       ` John Paul Adrian Glaubitz
2025-05-15 13:43         ` Ingo Molnar
2025-05-15 12:46 ` [PATCH 15/15] bugs/core: Reorganize fields in the first line of WARNING output, add ->comm[] output Ingo Molnar
2025-05-22 20:39 ` [PATCH 00/15] Implement CONFIG_DEBUG_BUGVERBOSE_DETAILED=y, to improve WARN_ON_ONCE() output by adding the condition string David Laight
2025-06-09  7:52   ` Ingo Molnar
2025-06-09 11:13 ` Peter Zijlstra

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