[PATCH 1/2] KVM: PPC: Add generic hpte management functions
Avi Kivity
avi at redhat.com
Tue Jun 22 22:20:43 EST 2010
On 06/22/2010 03:14 PM, Alexander Graf wrote:
> Avi Kivity wrote:
>
>> On 06/22/2010 03:10 PM, Alexander Graf wrote:
>>
>>> If you have more performance hints, I'll gladly take them :).
>>>
>>>
>> Using a cpu that virtualizes the mmu in hardware helps tremendously.
>>
>>
> PPC never does that. Even with the virtualization extensions the MMU is
> still software managed.
Then mmu intensive loads can expect to be slow.
> I was also more thinking of hints like
> "kmem_cache_zalloc is slow" or so ;).
>
Stuff like that is usually worthless. To give real feedback I need to
understand the hardware, so I'm reduced to coding style and indentation
review.
--
error compiling committee.c: too many arguments to function
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