Re: [for-6.1 4/4] virtio-scsi: Configure all host notifiers in a single MR transaction

2021-05-05 Thread Stefan Hajnoczi
On Wed, Apr 07, 2021 at 04:35:01PM +0200, Greg Kurz wrote: > This allows the virtio-scsi-pci device to batch the setup of all its > host notifiers. This significantly improves boot time of VMs with a > high number of vCPUs, e.g. from 6m5.563s down to 1m2.884s for a > pseries machine with 384 vCPUs.

[for-6.1 4/4] virtio-scsi: Configure all host notifiers in a single MR transaction

2021-04-07 Thread Greg Kurz
This allows the virtio-scsi-pci device to batch the setup of all its host notifiers. This significantly improves boot time of VMs with a high number of vCPUs, e.g. from 6m5.563s down to 1m2.884s for a pseries machine with 384 vCPUs. Note that memory_region_transaction_commit() must be called befor