I would like to declare an array in kernel module and to access it within a userspace app. how can I do it?
How do I memory map it for using via userspace so it can be used by a user?
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I would like to declare an array in kernel module and to access it within a userspace app. how can I do it?
How do I memory map it for using via userspace so it can be used by a user?
You will most likely need to implement a character device. Then in your instance of
struct file_operationsimplement the mmap function.