On 28.08.22 20:11, Jan Kiszka wrote:
> On 23.06.22 23:20, Ralf Ramsauer wrote:
>> With recent QEMU versions, the GICR grew:
>>
>> $ cat /proc/iomem
>> 08000000-0800ffff : GICD
>> 080a0000-08ffffff : GICR
>> [...]
>>
>> Hence, we can't place the virtual PCI controller at 0x08e00000 any
>> longer. It will collide with the GICR. Move the pci controller to an
>> empty spot: 0x81000000 provides enough space for the controller.
>>
>> 0x80000000 can't be used, as it is reserved for the commregion.
>>
>> Note that pci_mmconfig_base must be within a 32-bit range at the
>> moment and can't be placed at a higher address.
>>
>
> This is just papering over the underlying issue: QEMU now emulates ITS,
> and that resource moves more things around. But Jailhouse does not
> support ITS yet, so we better disable it in QEMU (machine attribute
> "its=off"). But we will also need to tell the user which minimal QEMU
> version this implies.
>

In fact, you already contributed that. It's just missing in
jailhouse-images.

Jan

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