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Re: qemu-kvm.git now live

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Avi Kivity wrote:
> Jan Kiszka wrote:
>> Avi Kivity wrote:
>>  
>>> After a lengthy testing phase, qemu-kvm.git has replaced
>>> kvm-userspace.git as the source repository for kvm userspace
>>> development.
>>>
>>> Differences from kvm-userspace.git are as follows:
>>> - everything under qemu/ has been moved to the top-level directory
>>> - everything not under qemu/ has been moved under a new top-level
>>> directory, kvm/
>>> - all qemu subversion commits have been rewritten to be compatible with
>>> what will become the master qemu git repository
>>> - all branches and tags have been converted
>>> - qemu-kvm.git builds standalone (does not require kvm.git)
>>>
>>> The repository is compatible with upstream qemu.git; merges and
>>> cherry-picking will work fine in either direction
>>>
>>> Still missing:
>>> - I have not tested powerpc or ia64.  Patches welcome!
>>> - testsuite (kvm/user/ directory) does not build
>>>     
>>
>> - proper guest memory setup
>>
>> During merge with upstream, the call to qemu_alloc_physram dropped under
>> the table (due to removal of phys_ram_base from qemu). And that means we
>> no longer call kvm_setup_guest_memory (fork will cause troubles, deja
>> vu...) and -mempath is broken. Sorry, I'm not deep enough into all parts
>> to provide a quick-fix.
>>   
> 
> That's unrelated to the repository conversion.

Then it's a merge artifact, but it's a problematic regression compared
to still-working kvm-userspace.

> 
> I'm unhappy with both qemu.git and qemu-kvm.git memory slot management;
> qemu-kvm.git is clumsy, and qemu.git is too simplistic (for example, it
> ignores the fact that dirty logging is a global resource with multiple
> users).

Don't get your point yet. Can you name a concrete scenario that is
problematic in upstream? I'd really like to get slot management right
there before we drop the old version of qemu-kvm.

Jan

-- 
Siemens AG, Corporate Technology, CT SE 2
Corporate Competence Center Embedded Linux
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