[Qemu-devel] Re: [PATCH 0/2] pciinit: fix overflow when bar allocation

[Michael S. Tsirkin]

On Mon, Oct 18, 2010 at 06:34:21PM +0900, Isaku Yamahata wrote:
> This patch set fixes PCI bar allocation when bar overflow occured.
> I checked if pmm_alloc facility can be used, but it doesn't suit for
> pci bar allocation. So I resulted in new API, pci_region which
> encapsulates region allocation and overflow checks.
> The first patch introduces pci_region, and the second patch fixes
> the overflow case with pci_region.
> 
> Isaku Yamahata (2):
>   pci: introduce pci_region to manage pci io/memory/prefmemory regions.
>   pciinit: use pci_region functions.
> 
>  Makefile         |    3 +-
>  src/pci_region.c |   70 +++++++++++++++++++++++++++++++
>  src/pciinit.c    |  122 ++++++++++++++++++++++++++---------------------------
>  src/util.h       |   15 +++++++
>  4 files changed, 147 insertions(+), 63 deletions(-)
>  create mode 100644 src/pci_region.c

Could you clarify what do you mean by bar overflow please?