diff options
| author | Claudio Imbrenda | 2022-06-28 15:56:12 +0200 |
|---|---|---|
| committer | Janosch Frank | 2022-07-19 12:06:56 +0000 |
| commit | da15fbc646f377ebfe992c13053b93783fea0db2 (patch) | |
| tree | 658f16130298c6935942458ddd873a4cac5c3c83 /arch/s390/kvm/pv.c | |
| parent | 9bf811dae443794594615625577277852edc181b (diff) | |
KVM: s390: pv: refactoring of kvm_s390_pv_deinit_vm
Refactor kvm_s390_pv_deinit_vm to improve readability and simplify the
improvements that are coming in subsequent patches.
No functional change intended.
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20220628135619.32410-12-imbrenda@linux.ibm.com
Message-Id: <20220628135619.32410-12-imbrenda@linux.ibm.com>
[frankja@linux.ibm.com: Dropped commit message line regarding review]
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Diffstat (limited to 'arch/s390/kvm/pv.c')
| -rw-r--r-- | arch/s390/kvm/pv.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/s390/kvm/pv.c b/arch/s390/kvm/pv.c index c063d1a9cf04..4b64bf5bc3b0 100644 --- a/arch/s390/kvm/pv.c +++ b/arch/s390/kvm/pv.c @@ -176,17 +176,17 @@ int kvm_s390_pv_deinit_vm(struct kvm *kvm, u16 *rc, u16 *rrc) cc = uv_cmd_nodata(kvm_s390_pv_get_handle(kvm), UVC_CMD_DESTROY_SEC_CONF, rc, rrc); WRITE_ONCE(kvm->arch.gmap->guest_handle, 0); - if (!cc) - atomic_dec(&kvm->mm->context.protected_count); - KVM_UV_EVENT(kvm, 3, "PROTVIRT DESTROY VM: rc %x rrc %x", *rc, *rrc); - WARN_ONCE(cc, "protvirt destroy vm failed rc %x rrc %x", *rc, *rrc); - /* Intended memory leak on "impossible" error */ if (!cc) { + atomic_dec(&kvm->mm->context.protected_count); kvm_s390_pv_dealloc_vm(kvm); - return 0; + } else { + /* Intended memory leak on "impossible" error */ + s390_replace_asce(kvm->arch.gmap); } - s390_replace_asce(kvm->arch.gmap); - return -EIO; + KVM_UV_EVENT(kvm, 3, "PROTVIRT DESTROY VM: rc %x rrc %x", *rc, *rrc); + WARN_ONCE(cc, "protvirt destroy vm failed rc %x rrc %x", *rc, *rrc); + + return cc ? -EIO : 0; } static void kvm_s390_pv_mmu_notifier_release(struct mmu_notifier *subscription, |