Re: [PATCH 5/5] ioeventfd: Introduce KVM_IOEVENTFD_FLAG_SOCKET

Avi Kivity
2011-07-13T13:32:51Z

On 07/13/2011 04:00 PM, Pekka Enberg wrote:
> On Wed, Jul 13, 2011 at 3:57 PM, Avi Kivity<avi@redhat.com> wrote:
> >> We'd like to keep 8250 emulation because it's the most robust method
> >> for getting data out of the kernel when there's problems. It's also
> >> compatible with earlyprintk and such.
> >
> > What do you hope to gain from the optimization? 100ms less boot time?
>
> Hmm? I use serial console for logging into the guest and actually
> using it all the time.

Just how fast do you type?

It's not enough to make something faster, it has to be slow to being
with. The interface is good, but use it where it helps.

--
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