Re: [Xen-devel] [PATCH V6 10/10] xen/arm64: increase MAX_VIRT_CPUS to 128 on arm64

2015-06-05 Thread Ian Campbell
On Mon, 2015-06-01 at 20:56 +0800, Chen Baozi wrote: > From: Chen Baozi > > 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

[Xen-devel] [PATCH V6 10/10] xen/arm64: increase MAX_VIRT_CPUS to 128 on arm64

2015-06-01 Thread Chen Baozi
From: Chen Baozi 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 not necessary big at the moment. Consideri