diff options
Diffstat (limited to 'arch/alpha/kernel/time.c')
| -rw-r--r-- | arch/alpha/kernel/time.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index 1efbed82c0fd..0f1d8493cfca 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -41,6 +41,7 @@ #include <linux/init.h> #include <linux/bcd.h> #include <linux/profile.h> +#include <linux/irq_work.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -82,6 +83,26 @@ static struct { unsigned long est_cycle_freq; +#ifdef CONFIG_IRQ_WORK + +DEFINE_PER_CPU(u8, irq_work_pending); + +#define set_irq_work_pending_flag() __get_cpu_var(irq_work_pending) = 1 +#define test_irq_work_pending() __get_cpu_var(irq_work_pending) +#define clear_irq_work_pending() __get_cpu_var(irq_work_pending) = 0 + +void set_irq_work_pending(void) +{ + set_irq_work_pending_flag(); +} + +#else /* CONFIG_IRQ_WORK */ + +#define test_irq_work_pending() 0 +#define clear_irq_work_pending() + +#endif /* CONFIG_IRQ_WORK */ + static inline __u32 rpcc(void) { @@ -170,6 +191,11 @@ irqreturn_t timer_interrupt(int irq, void *dev) write_sequnlock(&xtime_lock); + if (test_irq_work_pending()) { + clear_irq_work_pending(); + irq_work_run(); + } + #ifndef CONFIG_SMP while (nticks--) update_process_times(user_mode(get_irq_regs())); |