[PATCH v6 09/12] powerpc:Add new kconfig IRQ_DEBUG_SUPPORT
Madhavan Srinivasan
maddy at linux.vnet.ibm.com
Tue Jan 10 00:36:15 AEDT 2017
New Kconfig is added "CONFIG_IRQ_DEBUG_SUPPORT" to add warn_on
to alert the invalid transitions. Also moved the code under
the CONFIG_TRACE_IRQFLAGS in arch_local_irq_restore() to new Kconfig.
Signed-off-by: Madhavan Srinivasan <maddy at linux.vnet.ibm.com>
---
arch/powerpc/Kconfig | 4 ++++
arch/powerpc/kernel/irq.c | 4 ++--
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a8ee573fe610..333807caf822 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -46,6 +46,10 @@ config TRACE_IRQFLAGS_SUPPORT
bool
default y
+config IRQ_DEBUG_SUPPORT
+ bool
+ default n
+
config LOCKDEP_SUPPORT
bool
default y
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index da538ec0fd47..ae7edfd4ba9b 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -263,7 +263,7 @@ notrace void arch_local_irq_restore(unsigned long en)
*/
if (unlikely(irq_happened != PACA_IRQ_HARD_DIS))
__hard_irq_disable();
-#ifdef CONFIG_TRACE_IRQFLAGS
+#ifdef CONFIG_IRQ_DEBUG_SUPPORT
else {
/*
* We should already be hard disabled here. We had bugs
@@ -274,7 +274,7 @@ notrace void arch_local_irq_restore(unsigned long en)
if (WARN_ON(mfmsr() & MSR_EE))
__hard_irq_disable();
}
-#endif /* CONFIG_TRACE_IRQFLAGS */
+#endif /* CONFIG_IRQ_DEBUG_SUPPORT */
soft_enabled_set(IRQ_DISABLE_MASK_LINUX);
--
2.7.4
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