Re: [Xen-devel] [PATCH 18/24] xen: credit2: soft-affinity awareness fallback_cpu() and cpu_pick()

[George Dunlap <george.dunlap@xxxxxxxxxx>]

On 17/08/16 18:19, Dario Faggioli wrote:
> For get_fallback_cpu(), by putting in place the "usual"
> two steps (soft affinity step and hard affinity step)
> loop. We just move the core logic of the function inside
> the body of the loop itself.
> 
> For csched2_cpu_pick(), what is important is to find
> the runqueue with the least average load. Currently,
> we do that by looping on all runqueues and checking,
> well, their load. For soft affinity, we want to know
> which one is the runqueue with the least load, among
> the ones where the vcpu would prefer to be assigned.
> 
> We find both the least loaded runqueue among the soft
> affinity "friendly" ones, and the overall least loaded
> one, in the same pass.
> 
> (Also, kill a spurious ';' when defining MAX_LOAD.)
> 
> Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
> Signed-off-by: Justin T. Weaver <jtweaver@xxxxxxxxxx>

Looks good:

Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>


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