[SPARC64]: Avoid dcache-dirty page state management on sun4v.
It is totally wasted work, since we have no D-cache aliasing
issues on sun4v.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/mm/tlb.c b/arch/sparc64/mm/tlb.c
index 78357cc..a079cf42 100644
--- a/arch/sparc64/mm/tlb.c
+++ b/arch/sparc64/mm/tlb.c
@@ -49,7 +49,8 @@
if (pte_exec(orig))
vaddr |= 0x1UL;
- if (pte_dirty(orig)) {
+ if (tlb_type != hypervisor &&
+ pte_dirty(orig)) {
unsigned long paddr, pfn = pte_pfn(orig);
struct address_space *mapping;
struct page *page;