Re: [PATCH] RISC-V: Increase range and default value of NR_CPUS

[Ben Dooks]

On 17/03/2022 03:55, Anup Patel wrote:
> Currently, the range and default value of NR_CPUS is too restrictive
> for high-end RISC-V systems with large number of HARTs. The latest
> QEMU virt machine supports upto 512 CPUs so the current NR_CPUS is
> restrictive for QEMU as well. Other major architectures (such as
> ARM64, x86_64, MIPS, etc) have a much higher range and default
> value of NR_CPUS.

What's the memory overhead for increasing this?

--
Ben Dooks				http://www.codethink.co.uk/
Senior Engineer				Codethink - Providing Genius

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