Nicholas Miehlbradt writes:
> Walks the stack when copy_{to,from}_user address is in the stack to
> ensure that the object being copied is entirely within a single stack
> frame.
... and that it exists above the parameter save area, so is not pointing
at any stack metadata right?
> Substatially
Walks the stack when copy_{to,from}_user address is in the stack to
ensure that the object being copied is entirely within a single stack
frame.
Substatially similar to the x86 implementation except using the back
chain to traverse the stack and identify stack frame boundaries.
Signed-off-by: Nic
