[PATCH v2 09/11] powerpc:Add new kconfig IRQ_DEBUG_SUPPORT
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STALE3683d
SUPERSEDED
From: Madhavan Srinivasan <hidden>
Date: 2016-09-25 14:24:58
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Status: Superseded by v10 (posted 2017-08-20). [go to v10]
Revision v2 (11 revisions archived).
Revisions (11)
- rfc
- v2 current [diff against previous] re-posted current
- v3 [diff against previous] re-posted go to this post
- v4 [diff against previous] re-posted go to this post
- v5 [diff against previous] re-posted go to this post
- v1 [diff against previous]
- v6 [diff against previous]
- v7 [diff against previous]
- v8 [diff against previous]
- v9 [diff against previous]
- v10 [diff against previous]
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 <redacted> --- 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 927d2ab2ce08..878f05925340 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig@@ -51,6 +51,10 @@ 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 5ba60f6e7eb8..d1ee6c2a6b09 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c@@ -258,7 +258,7 @@ 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
@@ -269,7 +269,7 @@ 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