diff options
Diffstat (limited to 'arch/arm64/include/asm/irq.h')
| -rw-r--r-- | arch/arm64/include/asm/irq.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/irq.h b/arch/arm64/include/asm/irq.h index 6d6f85e4923e..8155e486ce48 100644 --- a/arch/arm64/include/asm/irq.h +++ b/arch/arm64/include/asm/irq.h @@ -7,6 +7,7 @@ #ifndef __ASSEMBLER__ #include <linux/percpu.h> +#include <linux/sched/task_stack.h> #include <asm-generic/irq.h> #include <asm/thread_info.h> @@ -49,12 +50,19 @@ static inline int nr_legacy_irqs(void) static inline bool on_irq_stack(unsigned long sp) { - /* variable names the same as kernel/stacktrace.c */ unsigned long low = (unsigned long)raw_cpu_ptr(irq_stack); unsigned long high = low + IRQ_STACK_START_SP; return (low <= sp && sp <= high); } +static inline bool on_task_stack(struct task_struct *tsk, unsigned long sp) +{ + unsigned long low = (unsigned long)task_stack_page(tsk); + unsigned long high = low + THREAD_SIZE; + + return (low <= sp && sp < high); +} + #endif /* !__ASSEMBLER__ */ #endif |