I attempetd to transfer data from a raw char device to a buffer allocated by mmaping /dev/mem. But the operation failed with 'Bad Address'.Upon a bit of investigation I found that VM_IO flag is set in the mmaped pages.get_user_pages () which is called by the raw character driver doesn't like this.I am not very clear about the reason. Is it not possible to do this? -sridhar -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
