Re: [Xen-devel] [PATCH]Check the values of MAX_VIRT_CPUS and NR_CPUS for SMP

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 21 Apr 2006, at 02:31, Atsushi SAKAI wrote:

> But the logical limit of the IA64 Max CPU is larger than 64.
> If someone change these values, some possibility make this error again.
>
> To avoid this problem, I believe this check code should be exists.
See how we solve this on x86 near the top of do_boot_cpu() in 
arch/x86/smpboot.c. Essentially we allocate extra idle domains on 
demand to give us enough idle vcpus for one per physical cpu.
 -- Keir


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