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Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and gue
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest |
Date: |
Mon, 04 Mar 2013 13:21:10 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 |
Il 04/03/2013 12:52, Gleb Natapov ha scritto:
> > Same here, you can remove the panic event port and add debugcon at
> > 0x505. That's the problematic case. But if the user goes to that
> > length, I think we can honestly say we don't care.
>
> IMO there is a big difference between well know serial ISA ports and
> PIO ports we allocate for our devices. Later have to be discoverable
> without resorting to probing. On CPU level we do the same with CPUID
> bits instead of relaying on MSRs #GP. On KVM API level we do the same
> with capabilities instead of relying on ioctls returning errors. This
> is not different.
Ok, I see your point now. Yes, this is a good reason why patching is
better in the long run.
Paolo
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, (continued)
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Paolo Bonzini, 2013/03/04
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Gleb Natapov, 2013/03/04
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Paolo Bonzini, 2013/03/04
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Gleb Natapov, 2013/03/04
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Paolo Bonzini, 2013/03/04
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Gleb Natapov, 2013/03/04
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Paolo Bonzini, 2013/03/04
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Gleb Natapov, 2013/03/04
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Paolo Bonzini, 2013/03/04
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Gleb Natapov, 2013/03/04
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest,
Paolo Bonzini <=
Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Hu Tao, 2013/03/06
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Paolo Bonzini, 2013/03/06
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, li guang, 2013/03/06
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Gleb Natapov, 2013/03/06
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Paolo Bonzini, 2013/03/06
- Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Gleb Natapov, 2013/03/06
Re: [Qemu-devel] [PATCH v13 0/8] pv event interface between host and guest, Hu Tao, 2013/03/06