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Re: [RFC 8/8] virtio-scsi: Use virtio_bus_set_host_notifiers()
From: |
Stefan Hajnoczi |
Subject: |
Re: [RFC 8/8] virtio-scsi: Use virtio_bus_set_host_notifiers() |
Date: |
Mon, 29 Mar 2021 18:28:21 +0100 |
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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- Re: [RFC 3/8] virtio: Add API to batch set host notifiers, (continued)
- [RFC 4/8] virtio-pci: Batch add/del ioeventfds in a single MR transaction, Greg Kurz, 2021/03/25
- [RFC 5/8] virtio-blk: Fix rollback path in virtio_blk_data_plane_start(), Greg Kurz, 2021/03/25
- [RFC 6/8] virtio-blk: Use virtio_bus_set_host_notifiers(), Greg Kurz, 2021/03/25
- [RFC 7/8] virtio-scsi: Set host notifiers and callbacks separately, Greg Kurz, 2021/03/25
- [RFC 8/8] virtio-scsi: Use virtio_bus_set_host_notifiers(), Greg Kurz, 2021/03/25
- Re: [RFC 8/8] virtio-scsi: Use virtio_bus_set_host_notifiers(),
Stefan Hajnoczi <=
- Re: [RFC 0/8] virtio: Improve boot time of virtio-scsi-pci and virtio-blk-pci, Michael S. Tsirkin, 2021/03/25
- Re: [RFC 0/8] virtio: Improve boot time of virtio-scsi-pci and virtio-blk-pci, Stefan Hajnoczi, 2021/03/29