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Re: [Qemu-devel] [PATCH V3] Guest stop notification
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [PATCH V3] Guest stop notification |
Date: |
Mon, 05 Dec 2011 14:46:06 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2011-12-05 14:35, Marcelo Tosatti wrote:
> On Sat, Dec 03, 2011 at 12:45:51PM +0100, Jan Kiszka wrote:
>>>> I was referring to the relation between the IOCTL and kvmclock, but
>>>> IOCTL vs. kvm_run.
>>>>
>>>> Jan
>>>
>>> Ah, OK. Yes, we better characterize it as KVMCLOCK specific (a generic
>>> "guest is paused" command is not the scope of this patch).
>>>
>>> So appending KVMCLOCK_ to the ioctl definitions would make that more
>>> explicit.
>>
>> IMHO, that would move things in the wrong direction. The IOCTL in itself
>> has _nothing_ to do with kvmclock. It's just that its x86 backend is
>> implemented on top of that infrastructure. For me the IOCTL is pretty
>> generic, can be backed by kvmclock, but need not be on all future archs.
>>
>> Jan
>
> I do not see the need to lift this infrastructure to arch independent
> status at the moment, without clear semantics on that arch independent
> level.
>
> So I am fine with the current GUEST_PAUSED naming (which can later be
> extended with GUEST_RESUMED etc, if necessary, for use by other archs
> for example), and implementation in hw/kvmclock.c.
>
Yes, let's keep it as suggested last (addition of kvmclock, unchanged
IOCTL interface).
Jan
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- [Qemu-devel] [PATCH V3] Guest stop notification, Eric B Munson, 2011/12/02
- Re: [Qemu-devel] [PATCH V3] Guest stop notification, Jan Kiszka, 2011/12/02
- Re: [Qemu-devel] [PATCH V3] Guest stop notification, Eric B Munson, 2011/12/02
- Re: [Qemu-devel] [PATCH V3] Guest stop notification, Jan Kiszka, 2011/12/03
- Re: [Qemu-devel] [PATCH V3] Guest stop notification, Marcelo Tosatti, 2011/12/03
- Re: [Qemu-devel] [PATCH V3] Guest stop notification, Jan Kiszka, 2011/12/03
- Re: [Qemu-devel] [PATCH V3] Guest stop notification, Marcelo Tosatti, 2011/12/03
- Re: [Qemu-devel] [PATCH V3] Guest stop notification, Jan Kiszka, 2011/12/03
- Re: [Qemu-devel] [PATCH V3] Guest stop notification, Marcelo Tosatti, 2011/12/05
- Re: [Qemu-devel] [PATCH V3] Guest stop notification,
Jan Kiszka <=
- Re: [Qemu-devel] [PATCH V3] Guest stop notification, Eric B Munson, 2011/12/05