[Xen-changelog] [xen stable-4.2] credit: unpause parked vcpu before destroying it

[patchbot@xxxxxxx]

commit b37536a7cf0a4baeda5ffe54b8fe8c821aacca26
Author:     Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
AuthorDate: Fri Nov 15 11:35:28 2013 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Nov 15 11:35:28 2013 +0100

    credit: unpause parked vcpu before destroying it
    
    A capped out vcpu must be unpaused in case of moving it to another cpupool,
    otherwise it will be paused forever.
    
    Signed-off-by: Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
    Acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
    master commit: d38a668b6ef8c84d1d3fda9947ffb0056d01fe3a
    master date: 2013-10-16 12:26:48 +0200
---
 xen/common/sched_credit.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/xen/common/sched_credit.c b/xen/common/sched_credit.c
index ec30706..ee3df06 100644
--- a/xen/common/sched_credit.c
+++ b/xen/common/sched_credit.c
@@ -702,6 +702,12 @@ csched_vcpu_remove(const struct scheduler *ops, struct 
vcpu *vc)
 
     CSCHED_STAT_CRANK(vcpu_destroy);
 
+    if ( test_and_clear_bit(CSCHED_FLAG_VCPU_PARKED, &svc->flags) )
+    {
+        CSCHED_STAT_CRANK(vcpu_unpark);
+        vcpu_unpause(svc->vcpu);
+    }
+
     if ( __vcpu_on_runq(svc) )
         __runq_remove(svc);
 
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.2

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