tree 646aee0d04c866118215cfa9a7529108287309e2
parent 280a5ba22ca35575721d42e536176a3561f4ec43
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 1369962204 +0000
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1370039366 +1000

powerpc/mm: Always invalidate tlb on hpte invalidate and update

If a hash bucket gets full, we "evict" a more/less random entry from it.
When we do that we don't invalidate the TLB (hpte_remove) because we assume
the old translation is still technically "valid". This implies that when
we are invalidating or updating pte, even if HPTE entry is not valid
we should do a tlb invalidate.

This was a regression introduced by b1022fbd293564de91596b8775340cf41ad5214c

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>