On 11/13/2015 10:28 AM, Pavel Fedin wrote:
> If you happen to have a stock kernel of old version, like 3.x, and you
> attempt to enable vhost by setting vhost=on, qemu aborts with error:
>
> kvm_mem_ioeventfd_add: error adding ioeventfd: Function not implemented
>
> This patch adds capability che
Hello!
> > If you happen to have a stock kernel of old version, like 3.x, and you
> > attempt to enable vhost by setting vhost=on, qemu aborts with error:
> >
> > kvm_mem_ioeventfd_add: error adding ioeventfd: Function not implemented
> >
> > This patch adds capability check, so that vhost gets d
Hello!
> OK so it's a misconfigured kernel.
> Fine but I'm not happy with silently using userspace instead.
It's not silent. You get two warnings in the log:
--- cut ---
2015-11-13T08:43:51.146802Z qemu-system-aarch64: KVM does not support MMIO
eventfds
2015-11-13T08:43:51.146915Z qemu-system-
On Mon, Nov 16, 2015 at 10:02:07AM +0300, Pavel Fedin wrote:
> Hello!
>
> > > If you happen to have a stock kernel of old version, like 3.x, and you
> > > attempt to enable vhost by setting vhost=on, qemu aborts with error:
> > >
> > > kvm_mem_ioeventfd_add: error adding ioeventfd: Function not i
On Fri, Nov 13, 2015 at 12:28:10PM +0300, Pavel Fedin wrote:
> If you happen to have a stock kernel of old version, like 3.x, and you
> attempt to enable vhost by setting vhost=on, qemu aborts with error:
>
> kvm_mem_ioeventfd_add: error adding ioeventfd: Function not implemented
>
> This patch a
If you happen to have a stock kernel of old version, like 3.x, and you
attempt to enable vhost by setting vhost=on, qemu aborts with error:
kvm_mem_ioeventfd_add: error adding ioeventfd: Function not implemented
This patch adds capability check, so that vhost gets disabled instead. A
warning is d
