Loading arch/arc/kernel/irq.c +12 −0 Original line number Diff line number Diff line Loading @@ -51,6 +51,18 @@ void arch_do_IRQ(unsigned int irq, struct pt_regs *regs) set_irq_regs(old_regs); } /* * API called for requesting percpu interrupts - called by each CPU * - For boot CPU, actually request the IRQ with genirq core + enables * - For subsequent callers only enable called locally * * Relies on being called by boot cpu first (i.e. request called ahead) of * any enable as expected by genirq. Hence Suitable only for TIMER, IPI * which are guaranteed to be setup on boot core first. * Late probed peripherals such as perf can't use this as there no guarantee * of being called on boot CPU first. */ void arc_request_percpu_irq(int irq, int cpu, irqreturn_t (*isr)(int irq, void *dev), const char *irq_nm, Loading Loading
arch/arc/kernel/irq.c +12 −0 Original line number Diff line number Diff line Loading @@ -51,6 +51,18 @@ void arch_do_IRQ(unsigned int irq, struct pt_regs *regs) set_irq_regs(old_regs); } /* * API called for requesting percpu interrupts - called by each CPU * - For boot CPU, actually request the IRQ with genirq core + enables * - For subsequent callers only enable called locally * * Relies on being called by boot cpu first (i.e. request called ahead) of * any enable as expected by genirq. Hence Suitable only for TIMER, IPI * which are guaranteed to be setup on boot core first. * Late probed peripherals such as perf can't use this as there no guarantee * of being called on boot CPU first. */ void arc_request_percpu_irq(int irq, int cpu, irqreturn_t (*isr)(int irq, void *dev), const char *irq_nm, Loading
Vineet Gupta <vgupta@synopsys.com>Vineet Gupta <vgupta@synopsys.com>