Add TRACE_IRQFLAGS_SUPPORT to UML.
This enables LOCKDEP_SUPPORT and TRACING_SUPPORT.
Signed-off-by: Thomas Meyer <tho...@m3y3r.de>
---
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 87bc868..6a33c3a 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -28,10 +28,9 @@ config PCI
config PCMCIA
bool
-# Yet to do!
config TRACE_IRQFLAGS_SUPPORT
bool
- default n
+ default y
config LOCKDEP_SUPPORT
bool
diff --git a/arch/um/include/asm/irqflags.h b/arch/um/include/asm/irqflags.h
index c780d8a..c5b636e 100644
--- a/arch/um/include/asm/irqflags.h
+++ b/arch/um/include/asm/irqflags.h
@@ -34,9 +34,9 @@ static inline unsigned long arch_local_irq_save(void)
return flags;
}
-static inline bool arch_irqs_disabled(void)
+static inline int arch_irqs_disabled_flags(unsigned long flags)
{
- return arch_local_save_flags() == 0;
+ return flags == 0;
}
#endif
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index f1efeee..fc188d8 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -251,6 +251,9 @@ static struct notifier_block panic_exit_notifier = {
void uml_finishsetup(void)
{
+#ifdef CONFIG_LOCKDEP
+ lockdep_init();
+#endif
atomic_notifier_chain_register(&panic_notifier_list,
&panic_exit_notifier);
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