diff options
Diffstat (limited to 'arch/metag/kernel/traps.c')
| -rw-r--r-- | arch/metag/kernel/traps.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/metag/kernel/traps.c b/arch/metag/kernel/traps.c index 1ad363ce1ee..202be405771 100644 --- a/arch/metag/kernel/traps.c +++ b/arch/metag/kernel/traps.c @@ -15,6 +15,7 @@ #include <linux/types.h> #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/preempt.h> #include <linux/ptrace.h> #include <linux/module.h> #include <linux/kallsyms.h> @@ -776,17 +777,30 @@ int traps_restore_context(void) #endif #ifdef CONFIG_SMP -unsigned int get_trigger_mask(void) +static inline unsigned int _get_trigger_mask(void) { unsigned long cpu = smp_processor_id(); return per_cpu(trigger_mask, cpu); } +unsigned int get_trigger_mask(void) +{ + return _get_trigger_mask(); +} + static void set_trigger_mask(unsigned int mask) { unsigned long cpu = smp_processor_id(); per_cpu(trigger_mask, cpu) = mask; } + +void arch_local_irq_enable(void) +{ + preempt_disable(); + arch_local_irq_restore(_get_trigger_mask()); + preempt_enable_no_resched(); +} +EXPORT_SYMBOL(arch_local_irq_enable); #else static void set_trigger_mask(unsigned int mask) { |