timer debug: Hide kernel addresses via %pK in /proc/timer_list

timer debug: Hide kernel addresses via %pK in /proc/timer_list

In the continuing effort to avoid kernel addresses leaking to
unprivileged users, this patch switches to %pK for
/proc/timer_list reporting.

Signed-off-by: Kees Cook <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Dan Rosenberg <[email protected]>
Cc: Eugene Teo <[email protected]>
Cc: Linus Torvalds <[email protected]>
LKML-Reference: <20110212032125[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>