> On May 31, 2015, at 21:40, Julien Grall <julien.gr...@citrix.com> wrote: > > Hi Chen, > > On 30/05/2015 12:07, Chen Baozi wrote: >> From: Chen Baozi <baoz...@gmail.com> >> >> GIC-500 supports up to 128 cores in a single SoC. Increase MAX_VIRT_CPUS >> to 128 on arm64. > > Where did you find this restriction? AFAICT the changes you made in the > vGICv3 driver allow us to use up to 4096 CPUs.
In ARM DDI0516B (ARM CoreLinkTM GIC-500 Generic Interrupt Controller Technical Reference Manual): 1.1 About the GIC-500 The GIC-500 is a build-time configurable interrupt controller that supports up to 128 cores. ... And GIC-500 is the only GICv3 implementation as far as I know. Cheers, Baozi
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