update


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@568 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/Changelog b/Changelog
index 9cddb49..9952f36 100644
--- a/Changelog
+++ b/Changelog
@@ -1,4 +1,5 @@
 version 0.5.2:
+
   - improved soft MMU speed (assembly functions and specializing)
   - improved multitasking speed by avoiding flushing TBs when
     switching tasks
@@ -15,6 +16,9 @@
   - PowerPC system emulation update (Jocelyn Mayer)
   - PC floppy emulation and DMA fixes (Jocelyn Mayer)
   - polled mode for PIC (Jocelyn Mayer)
+  - fixed PTE dirty bit handling
+  - fixed xadd same reg bug
+  - fixed cmpxchg exception safeness
 
 version 0.5.1: