On Sun, 2017-06-25 at 20:08:46 UTC, Benjamin Herrenschmidt wrote:
> From:Â Michael Neuling
>
> On P9 (Nimbus) DD2 and later, in radix mode, the move to the PID
> register will implicitly invalidate the user space ERAT entries
> and leave the kernel ones alone. Thus the only thing needed is
> an i
From: Michael Neuling
On P9 (Nimbus) DD2 and later, in radix mode, the move to the PID
register will implicitly invalidate the user space ERAT entries
and leave the kernel ones alone. Thus the only thing needed is
an isync() to synchronize this with subsequent uaccess's
Signed-off-by: Michael N
