Re: [Qemu-devel] [PATCH v3 0/2] PCI-e device multi-function hot-add support

["Michael S. Tsirkin" <mst@redhat.com>]

On Tue, Oct 13, 2015 at 04:41:33PM +0800, Cao jin wrote:
> Support PCI-e device hot-add multi-function via device_add, just ensure
> add the function 0 is added last. While allow user to roll back in the
> middle via device_del, in case user regret.

s/regret/cancels the operation/


> changelog:
> 1. Flag device as unexposed when func 0 doesn`t exist, via return 0xFF
>    in case of gratuitous pci bus scan.
> 2. Since device is unexposed to guest, can remove function individually,
>    without interaction with the guest.
> 
> Cao jin (2):
>   enable multi-function hot-add
>   remove function during multi-function hot-add
> 
>  hw/pci/pci.c      | 10 ++++++++++
>  hw/pci/pci_host.c |  6 +++++-
>  hw/pci/pcie.c     | 38 +++++++++++++++++++++++++-------------
>  3 files changed, 40 insertions(+), 14 deletions(-)
> 
> -- 
> 2.1.0