From 1bc5d59c35976d39b39b14f86abb76c08364cf97 Mon Sep 17 00:00:00 2001
From: "Suresh E. Warrier" <warrier@linux.vnet.ibm.com>
Date: Mon, 3 Nov 2014 15:52:00 +1100
Subject: [PATCH] KVM: PPC: Book3S HV: Check wait conditions before sleeping in
 kvmppc_vcore_blocked

The kvmppc_vcore_blocked() code does not check for the wait condition
after putting the process on the wait queue. This means that it is
possible for an external interrupt to become pending, but the vcpu to
remain asleep until the next decrementer interrupt.  The fix is to
make one last check for pending exceptions and ceded state before
calling schedule().

Signed-off-by: Suresh Warrier <warrier@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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