On Oct 29, 2007, at 5:46 PM, Benjamin Herrenschmidt wrote:
> On 4xx CPUs, the current implementation of flush_tlb_page() uses
> a low level _tlbie() assembly function that only works for the
> current PID. Thus, invalidations caused by, for example, a COW
> fault triggered by get_user_pages() fro
On 4xx CPUs, the current implementation of flush_tlb_page() uses
a low level _tlbie() assembly function that only works for the
current PID. Thus, invalidations caused by, for example, a COW
fault triggered by get_user_pages() from a different context will
not work properly, causing among other thi
