On Dec 11, 2008, at 6:15 PM, Josh Boyer wrote:
On Mon, 08 Dec 2008 16:39:52 +1100
Benjamin Herrenschmidt 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 wh
On Mon, 08 Dec 2008 16:39:52 +1100
Benjamin Herrenschmidt 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
> unnecessary on those processo
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