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authorRadim Krčmář <rkrcmar@redhat.com>2018-03-06 17:42:28 +0100
committerRadim Krčmář <rkrcmar@redhat.com>2018-03-06 17:42:28 +0100
commit45e3b4759d230b057832fa751af9a853495a17bd (patch)
tree2f9276dab178271fcf368dc31e66306244d92d7c /arch
parentdb5679379a2be0bfd97bd2511a3e2a3e62c1fd3d (diff)
parentf07afa0462b76a5b9c4f3a43d5ac24fdb86a90c2 (diff)
Merge tag 'kvm-s390-master-4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux
KVM: s390: Fixes - Fix random memory corruption when running as guest2 (e.g. KVM in LPAR) and starting guest3 (nested KVM) with many CPUs (e.g. a nested guest with 200 vcpu) - io interrupt delivery counter was not exported
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/kvm/kvm-s390.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 77d7818130db..339ac0964590 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -86,6 +86,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
{ "deliver_prefix_signal", VCPU_STAT(deliver_prefix_signal) },
{ "deliver_restart_signal", VCPU_STAT(deliver_restart_signal) },
{ "deliver_program_interruption", VCPU_STAT(deliver_program_int) },
+ { "deliver_io_interrupt", VCPU_STAT(deliver_io_int) },
{ "exit_wait_state", VCPU_STAT(exit_wait_state) },
{ "instruction_epsw", VCPU_STAT(instruction_epsw) },
{ "instruction_gs", VCPU_STAT(instruction_gs) },
@@ -2146,6 +2147,7 @@ static void sca_add_vcpu(struct kvm_vcpu *vcpu)
/* we still need the basic sca for the ipte control */
vcpu->arch.sie_block->scaoh = (__u32)(((__u64)sca) >> 32);
vcpu->arch.sie_block->scaol = (__u32)(__u64)sca;
+ return;
}
read_lock(&vcpu->kvm->arch.sca_lock);
if (vcpu->kvm->arch.use_esca) {