diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-07-21 22:34:14 +0200 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-04-13 11:01:24 -0500 |
| commit | 3fe2466f70d6103fd48189556054eacbcd7dd162 (patch) | |
| tree | eb99b1b630a3d8b340e7b5ff360348c5724a6d75 /include/linux/irqflags.h | |
| parent | adc763a27cf7ede0242500d304d40c1362e36125 (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/linux/irqflags.h')
| -rw-r--r-- | include/linux/irqflags.h | 19 |
1 files changed, 19 insertions, 0 deletions
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 |