diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-06-17 15:42:38 +0200 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2011-12-28 16:25:31 -0600 |
| commit | 6eb107b0f837de2089217aa46f8cc371a120447d (patch) | |
| tree | 71dcf859aebee5c4aa568190b350482cb3b7dd0f | |
| parent | 5397e467b20bbd03ed69688d69926bf9922916f9 (diff) | |
cpu-rt-variants.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | include/linux/smp.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h index 8cc38d3bab0c..e6c58d8796b3 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -173,6 +173,14 @@ smp_call_function_any(const struct cpumask *mask, smp_call_func_t func, #define get_cpu() ({ preempt_disable(); smp_processor_id(); }) #define put_cpu() preempt_enable() +#ifndef CONFIG_PREEMPT_RT_FULL +# define get_cpu_light() get_cpu() +# define put_cpu_light() put_cpu() +#else +# define get_cpu_light() ({ migrate_disable(); smp_processor_id(); }) +# define put_cpu_light() migrate_enable() +#endif + /* * Callback to arch code if there's nosmp or maxcpus=0 on the * boot command line: |