Re: [RFC 8/8] virtio-scsi: Use virtio_bus_set_host_notifiers()

[Stefan Hajnoczi]

On Thu, Mar 25, 2021 at 04:07:35PM +0100, Greg Kurz wrote:
> This allows the virtio-scsi-pci device to batch additions and deletions
> of host notifiers. This significantly improves boot time of VMs with a
> high number of vCPUs, e.g. from 6m13.969s down to 1m4.268s for a pseries
> machine with 384 vCPUs.
> 
> Signed-off-by: Greg Kurz <groug@kaod.org>
> ---
>  hw/scsi/virtio-scsi-dataplane.c | 28 +++++++++++++---------------
>  1 file changed, 13 insertions(+), 15 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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