On Mon, 3 Jun 2019 18:03:37 +0200 Cornelia Huck <coh...@redhat.com> wrote:
> On Wed, 29 May 2019 14:26:57 +0200 > Michael Mueller <m...@linux.ibm.com> wrote: > > > From: Halil Pasic <pa...@linux.ibm.com> > > > > Hypervisor needs to interact with the summary indicators, so these > > need to be DMA memory as well (at least for protected virtualization > > guests). > > > > Signed-off-by: Halil Pasic <pa...@linux.ibm.com> > > Signed-off-by: Michael Mueller <m...@linux.ibm.com> > > --- > > drivers/s390/virtio/virtio_ccw.c | 26 +++++++++++++++++++------- > > 1 file changed, 19 insertions(+), 7 deletions(-) > > (...) > > > @@ -1501,6 +1508,11 @@ static int __init virtio_ccw_init(void) > > { > > /* parse no_auto string before we do anything further */ > > no_auto_parse(); > > + > > + summary_indicators = cio_dma_zalloc(MAX_AIRQ_AREAS); > > + if (!summary_indicators) > > + return -ENOMEM; > > + > > return ccw_driver_register(&virtio_ccw_driver); > > Don't you need to free summary_indicators again if registering the > driver fails? > We do! BTW as of today I'm back and I intend to handle things regularly form now on ;). Regards, Halil > > } > > device_initcall(virtio_ccw_init); > _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization