Re: [Xen-devel] [PATCH] x86 linux: prevent halted VCPUs from eating up CPU bandwidth

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> 30.05.06 10:49 >>>
>
>On 30 May 2006, at 09:11, Jan Beulich wrote:
>
>> Indeed, this was the behavior I intended, but somehow I failed to find 
>> the VCPUOP_down operation that I was looking
>> for. Here's an updated patch.
>
>Given that you went for the more complicated definition of halt() that 
>calls block when event delivery is enabled, is it actually necessary to 
>not compile the halt-checking routine? If event delivery is enabled in 

What halt-checking routine do you mean here?

>that function, shouldn't we return from each invocation of halt() on 
>(at least) each timer interrupt? If not, I wonder why our behaviour 
>there differs from native?

Yes, I think the net effect should be similar behavior to native.

Jan

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