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char deriver……………….??

why kernel can not dereference user space buffer ??????

One Response to char deriver……………….??

  1. Vaibhav Singh says:
    October 18, 2011 at 10:31 am

    Kernel does nt dereference the user space buffer…we map the user buffer with our kernel buffer using API copy_to_user or copy_from_user

    Reply

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