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authorThomas Gleixner <tglx@linutronix.de>2009-07-21 16:34:14 -0400
committerThomas Gleixner <tglx@linutronix.de>2009-07-21 16:56:45 -0400
commitc7f86f08e17883cbbbfbeffca9dae499750b59cb (patch)
treec24cf9ed6125ceeb9f900ed054be60c04daf427c /include/linux/interrupt.h
parentaea1f7964ae6cba5eb419a958956deb9016b3341 (diff)
rt: local_irq_* variants depending on RT/!RT
Add local_irq_*_(no)rt variant which are mainly used to break interrupt disabled sections on PREEMPT_RT. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/interrupt.h')
-rw-r--r--include/linux/interrupt.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 2721f07e9354..a8d8adbf8900 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -175,7 +175,7 @@ extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id);
175#ifdef CONFIG_LOCKDEP 175#ifdef CONFIG_LOCKDEP
176# define local_irq_enable_in_hardirq() do { } while (0) 176# define local_irq_enable_in_hardirq() do { } while (0)
177#else 177#else
178# define local_irq_enable_in_hardirq() local_irq_enable() 178# define local_irq_enable_in_hardirq() local_irq_enable_nort()
179#endif 179#endif
180 180
181extern void disable_irq_nosync(unsigned int irq); 181extern void disable_irq_nosync(unsigned int irq);
@@ -588,4 +588,19 @@ extern int arch_probe_nr_irqs(void);
588extern int arch_early_irq_init(void); 588extern int arch_early_irq_init(void);
589extern int arch_init_chip_data(struct irq_desc *desc, int node); 589extern int arch_init_chip_data(struct irq_desc *desc, int node);
590 590
591/*
592 * local_irq* variants depending on RT/!RT
593 */
594#ifdef CONFIG_PREEMPT_RT
595# define local_irq_disable_nort() do { } while (0)
596# define local_irq_enable_nort() do { } while (0)
597# define local_irq_save_nort(flags) do { local_save_flags(flags); } while (0)
598# define local_irq_restore_nort(flags) do { (void)(flags); } while (0)
599#else
600# define local_irq_disable_nort() local_irq_disable()
601# define local_irq_enable_nort() local_irq_enable()
602# define local_irq_save_nort(flags) local_irq_save(flags)
603# define local_irq_restore_nort(flags) local_irq_restore(flags)
604#endif
605
591#endif 606#endif