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Re: [QEMU PATCH v8] xen/passthrough: use gsi to map pirq when dom0 is PVH
- To: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
- From: "Chen, Jiqian" <Jiqian.Chen@xxxxxxx>
- Date: Wed, 23 Oct 2024 09:30:54 +0000
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony PERARD <anthony@xxxxxxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>, "Edgar E . Iglesias" <edgar.iglesias@xxxxxxxxx>, "qemu-devel@xxxxxxxxxx" <qemu-devel@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "Huang, Ray" <Ray.Huang@xxxxxxx>, "Chen, Jiqian" <Jiqian.Chen@xxxxxxx>
- Delivery-date: Wed, 23 Oct 2024 09:31:05 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHbH5SoA03nzCynnUmi2VFVuzae7rKTb04AgAEz3YA=
- Thread-topic: [QEMU PATCH v8] xen/passthrough: use gsi to map pirq when dom0 is PVH
On 2024/10/23 07:07, Marek Marczykowski-Górecki wrote:
> On Wed, Oct 16, 2024 at 02:28:27PM +0800, Jiqian Chen wrote:
>> --- a/hw/xen/xen_pt.h
>> +++ b/hw/xen/xen_pt.h
>> @@ -36,6 +36,7 @@ void xen_pt_log(const PCIDevice *d, const char *f, ...)
>> G_GNUC_PRINTF(2, 3);
>> # define XEN_PT_LOG_CONFIG(d, addr, val, len)
>> #endif
>>
>> +#define DOMID_RUN_QEMU 0
>
> Please, don't hardcode dom0 here, QEMU can be running in a stubdomain
> too (in which case, this will hilariously explode, as it will check what
> dom0 is, instead of where QEMU is running).
> Stewart already provided an alternative.
Got it, will use Stewart's suggestion, thanks.
>
--
Best regards,
Jiqian Chen.
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