Re: [PATCH-for-10.0 3/8] hw/pci-host/gpex: Allow machines to set PCI_BUS_IO_ADDR0_ALLOWED flag

[Peter Maydell]

On Mon, 25 Nov 2024 at 14:06, Philippe Mathieu-Daudé <philmd@linaro.org> wrote:
>
> Expose the "allow-io-addr0-accesses" property so machines
> using a GPEX host bridge can set this flag on the bus.
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>  include/hw/pci-host/gpex.h | 1 +
>  hw/pci-host/gpex.c         | 6 ++++++
>  2 files changed, 7 insertions(+)

Given the way the gpex controller handles its MMIO regions,
I rather suspect that none of its users really need to set
"no address 0 accesses", though of course this is a behaviour
change for some machines so would need testing.

-- PMM