nios2: User address TLB flush break after finding the matching entry

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>

diff --git a/arch/nios2/mm/tlb.c b/arch/nios2/mm/tlb.c
index 2469f88ef7f3e7f8583bbf259d98ee932857f9c3..2e49993d29efcdb51a722b3e96b089e37050797a 100644 (file)
--- a/arch/nios2/mm/tlb.c
+++ b/arch/nios2/mm/tlb.c
@@ -76,6 +76,11 @@ void flush_tlb_one_pid(unsigned long addr, unsigned long mmu_pid)
                WRCTL(CTL_TLBMISC, tlbmisc);
                WRCTL(CTL_PTEADDR, pteaddr_invalid(addr));
                WRCTL(CTL_TLBACC, 0);
+               /*
+                * There should be only a single entry that maps a
+                * particular {address,pid} so break after a match.
+                */
+               break;
        }
 
        WRCTL(CTL_TLBMISC, org_misc);