From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>, Sergio Lopez <slp@redhat.com>
Cc: qemu-devel@nongnu.org, ehabkost@redhat.com, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH 4/4] hw/i386: Introduce the microvm machine type
Date: Sat, 29 Jun 2019 00:17:22 +0200 [thread overview]
Message-ID: <e2268d2c-6fcb-2567-1993-4b5b65c949dd@redhat.com> (raw)
In-Reply-To: <20190628100458-mutt-send-email-mst@kernel.org>
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
next prev parent reply other threads:[~2019-06-28 22:19 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 [this message]
2019-06-30 21:37 ` Michael S. Tsirkin
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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