irq_stack_union 431 arch/x86/include/asm/processor.h DECLARE_PER_CPU_FIRST(union irq_stack_union, irq_stack_union) __visible; irq_stack_union 432 arch/x86/include/asm/processor.h DECLARE_INIT_PER_CPU(irq_stack_union); irq_stack_union 64 arch/x86/include/asm/stackprotector.h BUILD_BUG_ON(offsetof(union irq_stack_union, stack_canary) != 40); irq_stack_union 78 arch/x86/include/asm/stackprotector.h this_cpu_write(irq_stack_union.stack_canary, canary); irq_stack_union 94 arch/x86/include/asm/switch_to.h , [gs_canary] "=m" (irq_stack_union.stack_canary)