diff options
| -rw-r--r-- | arch/arm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/irq.c | 14 |
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index b11846679cc6..41849d5e0bc3 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1169,6 +1169,8 @@ config CURRENT_POINTER_IN_TPIDRURO config IRQSTACKS def_bool y depends on GENERIC_IRQ_MULTI_HANDLER && THREAD_INFO_IN_TASK + select HAVE_IRQ_EXIT_ON_IRQ_STACK + select HAVE_SOFTIRQ_ON_OWN_STACK config ARM_CPU_TOPOLOGY bool "Support cpu topology definition" diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index abb0aa679bba..e05219bca218 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -36,11 +36,14 @@ #include <asm/hardware/cache-l2x0.h> #include <asm/hardware/cache-uniphier.h> #include <asm/outercache.h> +#include <asm/softirq_stack.h> #include <asm/exception.h> #include <asm/mach/arch.h> #include <asm/mach/irq.h> #include <asm/mach/time.h> +#include "reboot.h" + unsigned long irq_err_count; #ifdef CONFIG_IRQSTACKS @@ -60,6 +63,17 @@ static void __init init_irq_stacks(void) } } +static void ____do_softirq(void *arg) +{ + __do_softirq(); +} + +void do_softirq_own_stack(void) +{ + call_with_stack(____do_softirq, NULL, + __this_cpu_read(irq_stack_ptr)); +} + #endif int arch_show_interrupts(struct seq_file *p, int prec) |