On 2024/1/8 17:25, Jan Beulich wrote:
> On 08.01.2024 10:15, Chen, Jiqian wrote:
>> On 2024/1/8 16:47, Jan Beulich wrote:
>>> On 06.01.2024 01:46, Stefano Stabellini wrote:
On Fri, 5 Jan 2024, Jiqian Chen wrote:
> @@ -72,8 +73,30 @@ long hvm_physdev_op(int cmd,
> XEN_GUEST_HANDLE_PARA
On 08.01.2024 10:15, Chen, Jiqian wrote:
> On 2024/1/8 16:47, Jan Beulich wrote:
>> On 06.01.2024 01:46, Stefano Stabellini wrote:
>>> On Fri, 5 Jan 2024, Jiqian Chen wrote:
@@ -72,8 +73,30 @@ long hvm_physdev_op(int cmd,
XEN_GUEST_HANDLE_PARAM(void) arg)
switch ( cmd )
On 2024/1/8 16:47, Jan Beulich wrote:
> On 06.01.2024 01:46, Stefano Stabellini wrote:
>> On Fri, 5 Jan 2024, Jiqian Chen wrote:
>>> @@ -72,8 +73,30 @@ long hvm_physdev_op(int cmd,
>>> XEN_GUEST_HANDLE_PARAM(void) arg)
>>>
>>> switch ( cmd )
>>> {
>>> -case PHYSDEVOP_map_pirq:
>>>
On 06.01.2024 01:46, Stefano Stabellini wrote:
> On Fri, 5 Jan 2024, Jiqian Chen wrote:
>> @@ -72,8 +73,30 @@ long hvm_physdev_op(int cmd, XEN_GUEST_HANDLE_PARAM(void)
>> arg)
>>
>> switch ( cmd )
>> {
>> -case PHYSDEVOP_map_pirq:
>> -case PHYSDEVOP_unmap_pirq:
>> +case PHY
On Fri, 5 Jan 2024, Jiqian Chen wrote:
> If run Xen with PVH dom0 and hvm domU, hvm will map a pirq for
> a passthrough device by using gsi, see
> xen_pt_realize->xc_physdev_map_pirq and
> pci_add_dm_done->xc_physdev_map_pirq. Then xc_physdev_map_pirq
> will call into Xen, but in hvm_physdev_op, PH
If run Xen with PVH dom0 and hvm domU, hvm will map a pirq for
a passthrough device by using gsi, see
xen_pt_realize->xc_physdev_map_pirq and
pci_add_dm_done->xc_physdev_map_pirq. Then xc_physdev_map_pirq
will call into Xen, but in hvm_physdev_op, PHYSDEVOP_map_pirq
is not allowed because currd is
