diff options
| -rw-r--r-- | drivers/s390/crypto/vfio_ap_ops.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index 571f5dcb49c5..bc8669b5c304 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -652,8 +652,8 @@ static void vfio_ap_matrix_init(struct ap_config_info *info, static void signal_guest_ap_cfg_changed(struct ap_matrix_mdev *matrix_mdev) { - if (matrix_mdev->cfg_chg_trigger) - eventfd_signal(matrix_mdev->cfg_chg_trigger); + if (matrix_mdev->cfg_chg_trigger) + eventfd_signal(matrix_mdev->cfg_chg_trigger); } static void vfio_ap_mdev_update_guest_apcb(struct ap_matrix_mdev *matrix_mdev) @@ -1870,7 +1870,6 @@ static void vfio_ap_mdev_unset_kvm(struct ap_matrix_mdev *matrix_mdev) get_update_locks_for_kvm(kvm); kvm_arch_crypto_clear_masks(kvm); - signal_guest_ap_cfg_changed(matrix_mdev); vfio_ap_mdev_reset_queues(matrix_mdev); kvm_put_kvm(kvm); matrix_mdev->kvm = NULL; @@ -2057,6 +2056,13 @@ static void vfio_ap_mdev_request(struct vfio_device *vdev, unsigned int count) matrix_mdev = container_of(vdev, struct ap_matrix_mdev, vdev); + get_update_locks_for_mdev(matrix_mdev); + + if (matrix_mdev->kvm) { + kvm_arch_crypto_clear_masks(matrix_mdev->kvm); + signal_guest_ap_cfg_changed(matrix_mdev); + } + if (matrix_mdev->req_trigger) { if (!(count % 10)) dev_notice_ratelimited(dev, @@ -2068,6 +2074,8 @@ static void vfio_ap_mdev_request(struct vfio_device *vdev, unsigned int count) dev_notice(dev, "No device request registered, blocked until released by user\n"); } + + release_update_locks_for_mdev(matrix_mdev); } static int vfio_ap_mdev_get_device_info(unsigned long arg) |