Re: [Qemu-devel] [PATCH RFC v2 2/2] ARM: KVM: Enable in-kernel timers with user space gic

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On Tue, Dec 13, 2016 at 01:20:50PM +0000, Peter Maydell wrote:
> On 14 November 2016 at 14:32, Alexander Graf <agraf@xxxxxxx> wrote:
> > When running with KVM enabled, you can choose between emulating the
> > gic in kernel or user space. If the kernel supports in-kernel virtualization
> > of the interrupt controller, it will default to that. If not, if will
> > default to user space emulation.
> >
> > Unfortunately when running in user mode gic emulation, we miss out on
> > timer events which are only available from kernel space. This patch leverages
> > the new kernel/user space pending line synchronization for those timer events.
> >
> > Signed-off-by: Alexander Graf <agraf@xxxxxxx>
> 
> Reviewed-by: Peter Maydell <peter.maydell@xxxxxxxxxx>
>

Hi everyone,

I probably missed a refresh of this patch, but as I didn't see anything,
I picked this one up today in order to test the KVM support recently
merged. Tweaking this patch a bit to fit the new ABI allowed me to
instantiate a KVM guest without the in-kernel irqchip (tested on a
mustang). So, FWIW, this is report of a successful test. Is there a
refreshed version of this patch someone can point me to, which I should
test instead?

Thanks,
drew



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