Re: Fwd: [PATCH v9 13/16] ARM: KVM: Emulation framework and CP15 emulation

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On 08/07/2012 05:15 PM, Marc Zyngier wrote:

>> vcpu migration is supposed to be transparent.  What happens if you
>> perform the operation locally, then the vcpu is migrated?
> 
> Migrated as in "moved to another physical CPU"? We have a per-vcpu cpumask
> indicating which CPU must perform a full cache clean/invalidate, which we
> test in kvm_arch_vcpu_load().
> 

How is the cpumask maintained?  All cpus which were touched by the vcpu?

btw, x86 mostly ignores cache invalidates (an exception is device
assignment).

-- 
error compiling committee.c: too many arguments to function
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