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-rw-r--r--arch/powerpc/kernel/irq.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index ada901af4950..5645bc9cbc09 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Derived from arch/i386/kernel/irq.c
* Copyright (C) 1992 Linus Torvalds
@@ -8,11 +9,6 @@
* Adapted for Power Macintosh by Paul Mackerras
* Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au)
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* This file contains the code used by various IRQ handling routines:
* asking for different IRQ's should be done through these routines
* instead of just grabbing them. Thus setups with different IRQ numbers
@@ -259,7 +255,7 @@ notrace void arch_local_irq_restore(unsigned long mask)
irq_happened = get_irq_happened();
if (!irq_happened) {
#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG
- WARN_ON(!(mfmsr() & MSR_EE));
+ WARN_ON_ONCE(!(mfmsr() & MSR_EE));
#endif
return;
}
@@ -272,7 +268,7 @@ notrace void arch_local_irq_restore(unsigned long mask)
*/
if (!(irq_happened & PACA_IRQ_HARD_DIS)) {
#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG
- WARN_ON(!(mfmsr() & MSR_EE));
+ WARN_ON_ONCE(!(mfmsr() & MSR_EE));
#endif
__hard_irq_disable();
#ifdef CONFIG_PPC_IRQ_SOFT_MASK_DEBUG
@@ -283,7 +279,7 @@ notrace void arch_local_irq_restore(unsigned long mask)
* warn if we are wrong. Only do that when IRQ tracing
* is enabled as mfmsr() can be costly.
*/
- if (WARN_ON(mfmsr() & MSR_EE))
+ if (WARN_ON_ONCE(mfmsr() & MSR_EE))
__hard_irq_disable();
#endif
}