I guess I would look at the source to copy_to_user() and
copy_from_user() to see how they worked, and figure out how to write my
own copy_from_user_to_user().
Bill.
Jeroen Vreeken wrote:
> In order to make my videoloopback more efficient I am trying to copy the
> buffer from a write call directly to a buffer from a read call.
> using copy_to_user does nothing and copy_from_user crashes my machine.
> using verify_area also doesn't help.
>
> I am searching for something like copy_between_users.....
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