Re: [Xen-devel] [PATCH v8 8/8] xen/arm64: increase MAX_VIRT_CPUS to 128 on arm64

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2015-06-12 at 16:32 +0800, Chen Baozi wrote:
> From: Chen Baozi <baozich@xxxxxxxxx>
> 
> After we have increased the size of GICR in address space for guest
> and made use of both AFF0 and AFF1 in (v)MPIDR, we are now able to
> support up to 4096 vCPUs in theory. However, it will cost 512M
> address space for GICR region, which is unnecessary big at the

"unnecessarily"

> moment. Considering the max CPU number that GIC-500 can support and
> the old value of MAX_VIRT_CPUS before commit aa25a61, we increase
> its value to 128.
> 
> Signed-off-by: Chen Baozi <baozich@xxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>



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