Re: [Qemu-devel] Re: 2.6.24 says "serial8250: too much work for irq4" a lot.

[H. Peter Anvin]

Blue Swirl wrote:
> > If you look at the patch, there are no timing dependencies; the only
> > parameter is the depth of the virtual queue.  The exhaustion is
> > completely controlled by target OS access patterns.
>
> Thanks, this clarified the difference. But I'll rephrase my original comment:
>
> The patch looks OK, but the simulated FIFO exhaustion should benefit
> all devices, as
> discussed here:
> http://lists.gnu.org/archive/html/qemu-devel/2007-12/msg00283.html

The difference is you *can't* do that in a general layer.

        -hpa