while we still need to provide our private version of kick and wakeup
to synchronize with some special cases, we can still enable the common
code variant.
Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
---
arch/s390/kvm/kvm-s390.c | 12 ++++++++++--
virt/kvm/kvm_main.c | 2 --
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 7cfd0dd..fa20686 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -2485,8 +2485,14 @@ static void kvm_gmap_notifier(struct gmap *gmap, unsigned long start,
int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu)
{
- /* kvm common code refers to this, but never calls it */
- BUG();
+ /*
+ * STOP indication is resetted when delivering interrupts. This
+ * is done before we handle requests, so we only "loose" this
+ * when we are still going to handle requests. In that case
+ * we no longer need that STOP indication.
+ */
+ __set_cpuflag(vcpu, CPUSTAT_STOP_INT);
+ kvm_s390_vsie_kick(vcpu);
return 0;
}
@@ -3064,6 +3070,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
*/
vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
+ vcpu->mode = IN_GUEST_MODE;
do {
rc = vcpu_pre_run(vcpu);
if (rc)
@@ -3088,6 +3095,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
rc = vcpu_post_run(vcpu, exit_reason);
} while (!signal_pending(current) && !guestdbg_exit_pending(vcpu) && !rc);
+ vcpu->mode = OUTSIDE_GUEST_MODE;
srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
return rc;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 482612b..f80e08a 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2205,7 +2205,6 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
}
EXPORT_SYMBOL_GPL(kvm_vcpu_block);
-#ifndef CONFIG_S390
void kvm_vcpu_wake_up(struct kvm_vcpu *vcpu)
{
struct swait_queue_head *wqp;
@@ -2235,7 +2234,6 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
put_cpu();
}
EXPORT_SYMBOL_GPL(kvm_vcpu_kick);
-#endif /* !CONFIG_S390 */
int kvm_vcpu_yield_to(struct kvm_vcpu *target)
{
--
2.7.4
--
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