Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / um / include / asm / irqflags.h

diff --git a/kernel/arch/um/include/asm/irqflags.h b/kernel/arch/um/include/asm/irqflags.h
new file mode 100644 (file)
index 0000000..c780d8a
--- /dev/null
+++ b/kernel/arch/um/include/asm/irqflags.h
@@ -0,0 +1,42 @@
+#ifndef __UM_IRQFLAGS_H
+#define __UM_IRQFLAGS_H
+
+extern int get_signals(void);
+extern int set_signals(int enable);
+extern void block_signals(void);
+extern void unblock_signals(void);
+
+static inline unsigned long arch_local_save_flags(void)
+{
+       return get_signals();
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+       set_signals(flags);
+}
+
+static inline void arch_local_irq_enable(void)
+{
+       unblock_signals();
+}
+
+static inline void arch_local_irq_disable(void)
+{
+       block_signals();
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+       unsigned long flags;
+       flags = arch_local_save_flags();
+       arch_local_irq_disable();
+       return flags;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+       return arch_local_save_flags() == 0;
+}
+
+#endif