From: "Michael S. Tsirkin" <mst@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org, ehabkost@redhat.com,
Sergio Lopez <slp@redhat.com>,
rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH 4/4] hw/i386: Introduce the microvm machine type
Date: Sun, 30 Jun 2019 17:37:18 -0400 [thread overview]
Message-ID: <20190630173704-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <e2268d2c-6fcb-2567-1993-4b5b65c949dd@redhat.com>
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
next prev parent reply other threads:[~2019-06-30 21:38 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-28 11:53 [Qemu-devel] [PATCH 0/4] Introduce the microvm machine type Sergio Lopez
2019-06-28 11:53 ` [Qemu-devel] [PATCH 1/4] hw/i386: Factorize CPU routine Sergio Lopez
2019-06-28 20:03 ` Eduardo Habkost
2019-06-28 21:44 ` Sergio Lopez
2019-07-01 9:25 ` Michael S. Tsirkin
2019-06-28 11:53 ` [Qemu-devel] [PATCH 2/4] hw/virtio: Factorize virtio-mmio headers Sergio Lopez
2019-06-28 14:03 ` Michael S. Tsirkin
2019-06-28 20:50 ` Sergio Lopez
2019-06-30 21:36 ` Michael S. Tsirkin
2019-07-02 8:19 ` Gerd Hoffmann
2019-07-02 13:22 ` Michael S. Tsirkin
2019-06-28 11:53 ` [Qemu-devel] [PATCH 3/4] hw/i386: Add an Intel MPTable generator Sergio Lopez
2019-06-28 11:53 ` [Qemu-devel] [PATCH 4/4] hw/i386: Introduce the microvm machine type Sergio Lopez
2019-06-28 14:06 ` Michael S. Tsirkin
2019-06-28 20:56 ` Sergio Lopez
2019-06-28 22:17 ` Paolo Bonzini
2019-06-30 21:37 ` Michael S. Tsirkin [this message]
2019-06-28 19:15 ` Maran Wilson
2019-06-28 21:05 ` Sergio Lopez
2019-06-28 21:54 ` Maran Wilson
2019-06-28 22:23 ` Sergio Lopez
2019-06-28 21:56 ` Paolo Bonzini
2019-06-28 19:47 ` Eduardo Habkost
2019-06-28 21:42 ` Sergio Lopez
2019-06-28 21:57 ` Paolo Bonzini
2019-06-28 13:21 ` [Qemu-devel] [PATCH 0/4] " Paolo Bonzini
2019-06-28 20:49 ` Sergio Lopez
2019-06-28 16:32 ` no-reply
2019-06-28 18:16 ` no-reply
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