Re: [PATCH RFC 04/15] KVM: Implement ring-based dirty memory tracking

From: Paolo Bonzini
Date: Tue Dec 17 2019 - 11:49:06 EST


On 17/12/19 17:42, Peter Xu wrote:
>
> However I just noticed something... Note that we still didn't read
> into non-x86 archs, I think it's the same question as when I asked
> whether we can unify the kvm[_vcpu]_write() interfaces and you'd like
> me to read the non-x86 archs - I think it's time I read them, because
> it's still possible that non-x86 archs will still need the per-vm
> ring... then that could be another problem if we want to at last
> spread the dirty ring idea outside of x86.

We can take a look, but I think based on x86 experience it's okay if we
restrict dirty ring to arches that do no VM-wide accesses.

Paolo