40 		 * On 64-bit, we have a generic entry stack that we  in stack_type_name()
55  * @offs:	Offset from the start of the exception stack area
56  * @size:	Size of the exception stack
73  * Array of exception stack page descriptors. If the stack is larger than
74  * PAGE_SIZE, all pages covering a particular stack will have the same
75  * info. The guard pages including the not mapped DB2 stack are zeroed
88 static __always_inline bool in_exception_stack(unsigned long *stack, struct stack_info *info)  in in_exception_stack()  argument
90 	unsigned long begin, end, stk = (unsigned long)stack;  in in_exception_stack()
99 	 * Handle the case where stack trace is collected _before_  in in_exception_stack()
106 	/* Bail if @stack is outside the exception stack area. */  in in_exception_stack()
129 static __always_inline bool in_irq_stack(unsigned long *stack, struct stack_info *info)  in in_irq_stack()  argument
135 	 * This is a software stack, so 'end' can be a valid stack pointer.  in in_irq_stack()
136 	 * It just means the stack is empty.  in in_irq_stack()
138 	if (stack < begin || stack >= end)  in in_irq_stack()
146 	 * The next stack pointer is the first thing pushed by the entry code  in in_irq_stack()
147 	 * after switching to the irq stack.  in in_irq_stack()
154 bool noinstr get_stack_info_noinstr(unsigned long *stack, struct task_struct *task,  in get_stack_info_noinstr()  argument
157 	if (in_task_stack(stack, task, info))  in get_stack_info_noinstr()
163 	if (in_exception_stack(stack, info))  in get_stack_info_noinstr()
166 	if (in_irq_stack(stack, info))  in get_stack_info_noinstr()
169 	if (in_entry_stack(stack, info))  in get_stack_info_noinstr()
175 int get_stack_info(unsigned long *stack, struct task_struct *task,  in get_stack_info()  argument
180 	if (!stack)  in get_stack_info()
183 	if (!get_stack_info_noinstr(stack, task, info))  in get_stack_info()
187 	 * Make sure we don't iterate through any given stack more than once.  in get_stack_info()
189 	 * just break out and report an unknown stack type.  in get_stack_info()
194 				printk_deferred_once(KERN_WARNING "WARNING: stack recursion on stack type %d\n", info->type);  in get_stack_info()