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Re: [Xen-devel] Console output stopped working in Mini-OS

To: Melvin Anderson <Melvin.Anderson@xxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Console output stopped working in Mini-OS
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Wed, 13 Sep 2006 10:44:11 +0100
Cc: Gregor.Milos@xxxxxxxxxxxx
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On 11/9/06 16:19, "Melvin Anderson" <Melvin.Anderson@xxxxxx> wrote:

> The update from 0x00030201 to 0x00030202 introduced a change in the
> event_channel_op hypercall.  The Mini-OS console driver raises an event
> to indicate data has been written into the console ring.  Is it possible
> that the Mini-OS console driver isn't using the new event channel
> hypercall interface correctly?

Yes. That hypercall now has an ioctl-style interface: event_channel_op(int
cmd, void *arg). Take a look in the Linux sparse tree for examples of the
new usage.

 -- Keir

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