Re: [PATCH v7 0/2] fix ENOSPC issue of iobus dev

[Marcelo Tosatti <mtosatti@redhat.com>]

On Fri, Mar 09, 2012 at 12:17:22PM +0800, Amos Kong wrote:
> Boot up qemu-kvm guest with 232 multiple functions disks, qemu
> will report a ENOSPC error, it's not good to statically increase
> iobus array. This patchset makes kvm_io_range array can be
> resized dynamically, and change dev limit to 1000.
> 
> Changes from v1:
> - fix typo: kvm_io_bus_range -> kvm_io_range
> 
> Changes from v2:
> - unregister device only when it exists
> 
> Changes from v3:
> - set upper bounds to limit userspace
> 
> Changes from v4:
> - check if allocate successfully before memcpy()
> - separate the change to 1000 devs to a new patch
> 
> Changes from v5:
> - memcpy() two times, drop sort
> 
> Changes from V6:
> - copy bus->dev_count memory to new_bus
> 
> ---
> 
> Amos Kong (2):
>       KVM: resize kvm_io_range array dynamically
>       KVM: set upper bounds for iobus dev to limit userspace

Applied, thanks.