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Re: [Qemu-devel] [PATCH 4/4] hw/i386: Introduce the microvm machine type
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [Qemu-devel] [PATCH 4/4] hw/i386: Introduce the microvm machine type |
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Date: |
Sun, 30 Jun 2019 17:37:18 -0400 |
On Sat, Jun 29, 2019 at 12:17:22AM +0200, Paolo Bonzini wrote:
> On 28/06/19 16:06, Michael S. Tsirkin wrote:
> >> + assert(kvm_irqchip_in_kernel());
> > Hmm - irqchip in kernel actually increases the attack surface,
> > does it not? Or at least, the severity of the attacks.
>
> Yeah, we should at least support split irqchip. But, irqchip completely
> in userspace is slow when it is not broken, and it does not support
> APICv. So it's not really feasible.
>
> Paolo
Right, I meant split.
--
MST
Re: [Qemu-devel] [PATCH 4/4] hw/i386: Introduce the microvm machine type, Eduardo Habkost, 2019/06/28
[Qemu-devel] [PATCH 3/4] hw/i386: Add an Intel MPTable generator, Sergio Lopez, 2019/06/28
Re: [Qemu-devel] [PATCH 0/4] Introduce the microvm machine type, Paolo Bonzini, 2019/06/28