>>> On 19.10.17 at 18:07, wrote:
> On Thu, Sep 21, 2017 at 11:02:06PM -0400, Lan Tianyu wrote:
>> diff --git a/xen/drivers/passthrough/io.c b/xen/drivers/passthrough/io.c
>> index 6196334..349a8cf 100644
>> --- a/xen/drivers/passthrough/io.c
>> +++ b/xen/drivers/passthrough/io.c
>> @@ -942,21 +942
On Thu, Sep 21, 2017 at 11:02:06PM -0400, Lan Tianyu wrote:
> diff --git a/xen/drivers/passthrough/io.c b/xen/drivers/passthrough/io.c
> index 6196334..349a8cf 100644
> --- a/xen/drivers/passthrough/io.c
> +++ b/xen/drivers/passthrough/io.c
> @@ -942,21 +942,20 @@ static void __msi_pirq_eoi(struct
From: Chao Gao
In two situations, hypervisor delivers a msi to a hvm guest. One is
when qemu sends a request to hypervisor through XEN_DMOP_inject_msi.
The other is when a physical interrupt arrives and it has been bound
to a guest msi.
For the former, the msi is routed to common vIOMMU layer if
