[Xen-changelog] [xen-unstable] Don't modify global active weight when changing weight of inactive domain.

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

# HG changeset patch
# User ack@xxxxxxxxxxxxxxxxxxxxx
# Node ID 64f9f308e109dc7ec6b8964f093926bd4b8957d2
# Parent  17e9daeb2c504389a8de8b5ed814bbe75878dca3
Don't modify global active weight when changing weight of inactive domain.
Signed-off-by: Emmanuel Ackaouy <ack@xxxxxxxxxxxxx>
---
 xen/common/sched_credit.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff -r 17e9daeb2c50 -r 64f9f308e109 xen/common/sched_credit.c
--- a/xen/common/sched_credit.c Fri Jun 30 14:41:13 2006 +0100
+++ b/xen/common/sched_credit.c Fri Jun 30 17:12:05 2006 +0100
@@ -622,9 +622,12 @@ csched_dom_cntl(
 
         if ( cmd->u.credit.weight != 0 )
         {
-            csched_priv.weight -= sdom->weight;
+            if ( !list_empty(&sdom->active_sdom_elem) )
+            {
+                csched_priv.weight -= sdom->weight;
+                csched_priv.weight += cmd->u.credit.weight;
+            }
             sdom->weight = cmd->u.credit.weight;
-            csched_priv.weight += sdom->weight;
         }
 
         if ( cmd->u.credit.cap != (uint16_t)~0U )

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