Sync idcache after emualted DMA operations for ia64

ia64 depends on platform provides synced idcache after DMA operation.
For virtual dma operations in qemu, it also need to provide similar
machanism.

Signed-off-by: Xiantao Zhang  <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/exec.c b/exec.c
index cc2eb044f..2cb71df95 100644
--- a/exec.c
+++ b/exec.c
@@ -3247,6 +3247,9 @@ void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len,
                 addr1 += l;
                 access_len -= l;
             }
+            if (kvm_enabled())
+	        flush_icache_range((unsigned long)buffer,
+				(unsigned long)buffer + access_len);
         }
         return;
     }