On Thu, 2008-12-04 at 07:33 -0500, Josh Boyer wrote:
> On Thu, 04 Dec 2008 17:12:59 +1100
> Benjamin Herrenschmidt <[EMAIL PROTECTED]> wrote:
>
> > We were missing the CPU_FTR_NOEXECUTE bit in our cputable for all
> > these processors. The result is that update_mmu_cache() would flush
> > the cach
On Thu, 04 Dec 2008 17:12:59 +1100
Benjamin Herrenschmidt <[EMAIL PROTECTED]> wrote:
> We were missing the CPU_FTR_NOEXECUTE bit in our cputable for all
> these processors. The result is that update_mmu_cache() would flush
> the cache for all pages mapped to userspace which is totally
> unnecessar
We were missing the CPU_FTR_NOEXECUTE bit in our cputable for all
these processors. The result is that update_mmu_cache() would flush
the cache for all pages mapped to userspace which is totally
unnecessary on those processors since we already handle flushing
on execute in the page fault path.
Thi