46 		 * On 64-bit, we have a generic entry stack that we  in stack_type_name()
61  * @offs:	Offset from the start of the exception stack area
62  * @size:	Size of the exception stack
79  * Array of exception stack page descriptors. If the stack is larger than
80  * PAGE_SIZE, all pages covering a particular stack will have the same
81  * info. The guard pages including the not mapped DB2 stack are zeroed
94 static __always_inline bool in_exception_stack(unsigned long *stack, struct stack_info *info)  in in_exception_stack()  argument
96 	unsigned long begin, end, stk = (unsigned long)stack;  in in_exception_stack()
105 	 * Handle the case where stack trace is collected _before_  in in_exception_stack()
112 	/* Bail if @stack is outside the exception stack area. */  in in_exception_stack()
135 static __always_inline bool in_irq_stack(unsigned long *stack, struct stack_info *info)  in in_irq_stack()  argument
141 	 * @end points directly to the top most stack entry to avoid a -8  in in_irq_stack()
142 	 * adjustment in the stack switch hotpath. Adjust it back before  in in_irq_stack()
151 	 * to the original stack and not to @end.  in in_irq_stack()
153 	if (stack < begin || stack >= end)  in in_irq_stack()
161 	 * The next stack pointer is stored at the top of the irq stack  in in_irq_stack()
162 	 * before switching to the irq stack. Actual stack entries are all  in in_irq_stack()
170 bool noinstr get_stack_info_noinstr(unsigned long *stack, struct task_struct *task,  in get_stack_info_noinstr()  argument
173 	if (in_task_stack(stack, task, info))  in get_stack_info_noinstr()
179 	if (in_exception_stack(stack, info))  in get_stack_info_noinstr()
182 	if (in_irq_stack(stack, info))  in get_stack_info_noinstr()
185 	if (in_entry_stack(stack, info))  in get_stack_info_noinstr()
191 int get_stack_info(unsigned long *stack, struct task_struct *task,  in get_stack_info()  argument
196 	if (!stack)  in get_stack_info()
199 	if (!get_stack_info_noinstr(stack, task, info))  in get_stack_info()
203 	 * Make sure we don't iterate through any given stack more than once.  in get_stack_info()
205 	 * just break out and report an unknown stack type.  in get_stack_info()
210 				printk_deferred_once(KERN_WARNING "WARNING: stack recursion on stack type %d\n", info->type);  in get_stack_info()