On 11/08/15 11:06, Eric Auger wrote:
> Hi Marc,
>
> The series works fine with KVM platform device passthrough use case
> (Calxeda Midway, GICv2, SPI assignment with VFIO). My integration branch
> can be found at
> https://git.linaro.org/people/eric.auger/linux.git/shortlog/refs/heads/v4.2-rc6-irq
Hi Marc,
The series works fine with KVM platform device passthrough use case
(Calxeda Midway, GICv2, SPI assignment with VFIO). My integration branch
can be found at
https://git.linaro.org/people/eric.auger/linux.git/shortlog/refs/heads/v4.2-rc6-irq-forward-v3
if useful.
Tested-by: Eric Auger
B
The GICv2 and GICv3 architectures allow an active physical interrupt
to be forwarded to a guest, and the guest to indirectly perform the
deactivation of the interrupt by performing an EOI on the virtual
interrupt (see for example the GICv2 spec, 3.2.1).
This allows some substantial performance imp
