diff options
Diffstat (limited to 'arch/x86/kernel/irq_64.c')
| -rw-r--r-- | arch/x86/kernel/irq_64.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index c0bea0d7d76a..c0f89d136b80 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -23,6 +23,9 @@ #include <asm/io_apic.h> #include <asm/apic.h> +DEFINE_PER_CPU_PAGE_ALIGNED(struct irq_stack, irq_stack_backing_store) __visible; +DECLARE_INIT_PER_CPU(irq_stack_backing_store); + int sysctl_panic_on_stackoverflow; /* @@ -90,7 +93,7 @@ bool handle_irq(struct irq_desc *desc, struct pt_regs *regs) static int map_irq_stack(unsigned int cpu) { - void *va = per_cpu_ptr(irq_stack_union.irq_stack, cpu); + void *va = per_cpu_ptr(&irq_stack_backing_store, cpu); per_cpu(hardirq_stack_ptr, cpu) = va + IRQ_STACK_SIZE; return 0; |