Whenever a vcore state is VCORE_PREEMPT we need to be counting stolen
time for it. This currently isn't the case when we have a vcore that
no longer has any runnable threads in it but still has a runner task,
so we do an explicit call to kvmppc_core_start_stolen() in that case.
Signed-off-by: Paul Mackerras <paulus@xxxxxxxxx>
---
arch/powerpc/kvm/book3s_hv.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 3d02276..fad52f2 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2283,9 +2283,14 @@ static void post_guest_process(struct kvmppc_vcore *vc, bool is_master)
}
list_del_init(&vc->preempt_list);
if (!is_master) {
- vc->vcore_state = vc->runner ? VCORE_PREEMPT : VCORE_INACTIVE;
- if (still_running > 0)
+ if (still_running > 0) {
kvmppc_vcore_preempt(vc);
+ } else if (vc->runner) {
+ vc->vcore_state = VCORE_PREEMPT;
+ kvmppc_core_start_stolen(vc);
+ } else {
+ vc->vcore_state = VCORE_INACTIVE;
+ }
if (vc->n_runnable > 0 && vc->runner == NULL) {
/* make sure there's a candidate runner awake */
vcpu = list_first_entry(&vc->runnable_threads,
--
2.1.4
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