[PATCH 8/9] ARM: support uprobe handling

[Russell King - ARM Linux]

On Sun, Oct 14, 2012 at 09:23:12PM +0200, Rabin Vincent wrote:
> Extend the kprobes code to handle user-space probes.  Much of the code
> can be reused so currently the ARM uprobes code reuses the kprobes
> structures.  The decode tables are reused, with the modification that
> for those instruction that require custom decoding for uprobes, a new
> element is added in the table to specify a custom decoder function.

How are accesses to userspace handled by the kprobes code?  Please point
me to where these accesses are performed.