From: ack@localhost.localdomain <ack@localhost.localdomain>
Date: Fri, 30 Jun 2006 16:12:05 +0000 (+0100)
Subject: Don't modify global active weight when changing weight of inactive domain.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~15912^2~10
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success//%22http:/www.example.com/cgi/success/?a=commitdiff_plain;h=495adc0b6a288490c36081d14907f9863e43fc73;p=xen.git

Don't modify global active weight when changing weight of inactive domain.
Signed-off-by: Emmanuel Ackaouy <ack@xensource.com>
---

diff --git a/xen/common/sched_credit.c b/xen/common/sched_credit.c
index 3b804cd644..98e1e3e6c1 100644
--- a/xen/common/sched_credit.c
+++ b/xen/common/sched_credit.c
@@ -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 )