diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-21 20:34:14 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-04-10 00:18:49 (GMT) |
| commit | ad193b054a98ac8bcd759030cdf4557fde81cac5 (patch) | |
| tree | 09304e43191d579dc6c5b26ce462d99be93d9d12 | |
| parent | 79477db346fa881485a3ca0d807d4c1e7fb4fab5 (diff) | |
| download | linux-fsl-qoriq-ad193b054a98ac8bcd759030cdf4557fde81cac5.tar.xz | |
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 or to explicitely disable
interrupts on PREEMPT_RT.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | include/linux/interrupt.h | 2 | ||||
| -rw-r--r-- | include/linux/irqflags.h | 19 |
2 files changed, 20 insertions, 1 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 1f6367a..cd616f9 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -176,7 +176,7 @@ extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id); #ifdef CONFIG_LOCKDEP # define local_irq_enable_in_hardirq() do { } while (0) #else -# define local_irq_enable_in_hardirq() local_irq_enable() +# define local_irq_enable_in_hardirq() local_irq_enable_nort() #endif extern void disable_irq_nosync(unsigned int irq); diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h index d176d65..cc05eb7 100644 --- a/include/linux/irqflags.h +++ b/include/linux/irqflags.h @@ -147,4 +147,23 @@ #endif /* CONFIG_TRACE_IRQFLAGS_SUPPORT */ +/* + * local_irq* variants depending on RT/!RT + */ +#ifdef CONFIG_PREEMPT_RT_FULL +# define local_irq_disable_nort() do { } while (0) +# define local_irq_enable_nort() do { } while (0) +# define local_irq_save_nort(flags) local_save_flags(flags) +# define local_irq_restore_nort(flags) (void)(flags) +# define local_irq_disable_rt() local_irq_disable() +# define local_irq_enable_rt() local_irq_enable() +#else +# define local_irq_disable_nort() local_irq_disable() +# define local_irq_enable_nort() local_irq_enable() +# define local_irq_save_nort(flags) local_irq_save(flags) +# define local_irq_restore_nort(flags) local_irq_restore(flags) +# define local_irq_disable_rt() do { } while (0) +# define local_irq_enable_rt() do { } while (0) +#endif + #endif |