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Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel implementation.
From: |
Ian Jackson |
Subject: |
Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel implementation. |
Date: |
Tue, 26 Aug 2008 14:28:41 +0100 |
Gerd Hoffmann writes ("Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel
implementation."):
> Ian Jackson wrote:
> > Why not make it a compile-time option ?
>
> IMHO compile time options are a usability nightmare in most cases.
They're not a problem if you need different versions in the two cases
anyway. That is going to be the case for the foreseeable future. As
I explained: there is code in qemu-xen which is essential for
operation in the current Xen use model but which upstream don't think
suitable; and of course because of interface skew in the Xen world, it
is necessary to have a compatible version of qemu.
So an OS installation which is both a Xen/xend dom0 and which also has
the ability to run qemu for ordinary emulations, will need two copies
of qemu: one for the Xen domUs invoked by xend, and one for
command-line invocations.
> Also distrubutions would have to ship two binaries instead of one. And
> there are already way to much different qemu binaries today. I want to
> get that number down, not up.
The different binaries are with us for at least the next several
years.
Ian.
- Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel implementation., (continued)
- Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel implementation., Anthony Liguori, 2008/08/25
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel implementation., Keir Fraser, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel implementation., Anthony Liguori, 2008/08/25
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel implementation., Keir Fraser, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel implementation., Gerd Hoffmann, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel implementation., Keir Fraser, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 1/2] xenner: add event channel implementation., Daniel P. Berrange, 2008/08/26
[Qemu-devel] [PATCH 2/2] xenner: use evtchn function pointers in the backends., Gerd Hoffmann, 2008/08/22
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