diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-21 22:34:14 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@rostedt.homelinux.com> | 2013-05-20 13:45:41 -0400 |
| commit | b7284f4a589aa1efdeab3e146fee09830c89a993 (patch) | |
| tree | 88db06a29138711b99613f5148b34d0b97b6a0ab /include | |
| parent | 8d4040b56806037154143bafe9b345188778ae56 (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 or to explicitely disable
interrupts on PREEMPT_RT.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
| -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 21b94de06788..ddd6b2a5a42e 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -219,7 +219,7 @@ 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 d176d658fe25..37b13c41a12a 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) do { local_save_flags(flags); } while (0) +# define local_irq_restore_nort(flags) do { (void)(flags); } while (0) +# 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 |