[Xen-changelog] [xen-unstable] [qemu/ia64] Sync ID cache only guest do DMA read.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User chris@xxxxxxxxxxxxxxxxxxxxxxxx
# Node ID 60eacb336e35bfd6bf38e7618c3dbf9ea8d4ac6d
# Parent  d853acd5ed5865d5326b7884de6b610af814ef41
[qemu/ia64] Sync ID cache only guest do DMA read.
Fix ID cache sync time. Only when guest does DMA
read, ID sync cache is needed for VTi.

From: Zhang, Xiantao <xiantao.zhang@xxxxxxxxx>
Signed-off-by: Christian Limpach <Christian.Limpach@xxxxxxxxxxxxx>
---
 tools/ioemu/target-i386-dm/exec-dm.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff -r d853acd5ed58 -r 60eacb336e35 tools/ioemu/target-i386-dm/exec-dm.c
--- a/tools/ioemu/target-i386-dm/exec-dm.c      Tue Aug 15 11:36:10 2006 +0100
+++ b/tools/ioemu/target-i386-dm/exec-dm.c      Tue Aug 15 13:53:18 2006 +0100
@@ -449,6 +449,9 @@ void cpu_physical_memory_rw(target_phys_
                 /* RAM case */
                 ptr = phys_ram_base + addr1;
                 memcpy(ptr, buf, l);
+#ifdef __ia64__
+                sync_icache((unsigned long)ptr, l);
+#endif 
             }
         } else {
             if (io_index) {
@@ -473,9 +476,6 @@ void cpu_physical_memory_rw(target_phys_
                 ptr = phys_ram_base + (pd & TARGET_PAGE_MASK) + 
                     (addr & ~TARGET_PAGE_MASK);
                 memcpy(buf, ptr, l);
-#ifdef __ia64__
-                sync_icache((unsigned long)ptr, l);
-#endif 
             } else {
                 /* unreported MMIO space */
                 memset(buf, 0xff, len);

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