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Date:	Thu, 21 Apr 2005 00:11:07 +0000
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ChangeSet 1.1348, 2005/04/21 01:11:07+01:00, iap10@xxxxxxxxxxxxxxxxxxx

        
        Truly round off the div result to get right PIT frequency for guest. 
        Otherwise, the guest's idea of time drifts away from that of the host.
         
        Signed-off-by: Edwin Zhai <edwin.zhai@xxxxxxxxx>
        Signed-off-by: Arun Sharma <arun.sharma@xxxxxxxxx>
        Signed-off-by: ian@xxxxxxxxxxxxx



 lib.h |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)


diff -Nru a/xen/include/xen/lib.h b/xen/include/xen/lib.h
--- a/xen/include/xen/lib.h     2005-04-20 21:03:17 -04:00
+++ b/xen/include/xen/lib.h     2005-04-20 21:03:17 -04:00
@@ -23,7 +23,7 @@
 #define SWAP(_a, _b) \
    do { typeof(_a) _t = (_a); (_a) = (_b); (_b) = _t; } while ( 0 )
 
-#define DIV_ROUND(x, y) (((x) + (y) - 1) / (y))
+#define DIV_ROUND(x, y) (((x) + (y) / 2) / (y))
 
 #define reserve_bootmem(_p,_l) ((void)0)
 

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