Re: [RFC 6/8] virtio-blk: Use virtio_bus_set_host_notifiers()

[Stefan Hajnoczi]

On Thu, Mar 25, 2021 at 04:07:33PM +0100, Greg Kurz wrote:
> This allows the virtio-blk-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 3m26.408s down to 0m59.923s for a pseries
> machine with 384 vCPUs.
> 
> Signed-off-by: Greg Kurz <groug@kaod.org>
> ---
>  hw/block/dataplane/virtio-blk.c | 25 ++++++-------------------
>  1 file changed, 6 insertions(+), 19 deletions(-)

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

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