Re: [PATCH 1/2] KVM: fix cache stale memslot info with correct mmio generation number

[Xiao Guangrong]

On 08/13/2014 05:18 AM, David Matlack wrote:
> On Mon, Aug 11, 2014 at 10:02 PM, Xiao Guangrong
> <xiaoguangrong@xxxxxxxxxxxxxxxxxx> wrote:
>> @@ -722,9 +719,10 @@ static struct kvm_memslots *install_new_memslots(struct kvm *kvm,
>>  {
>>         struct kvm_memslots *old_memslots = kvm->memslots;
>>
> 
> I think you want
> 
>   slots->generation = old_memslots->generation;
> 
> here.
> 
> On the KVM_MR_DELETE path, install_new_memslots is called twice so this
> patch introduces a short window of time where the generation number
> actually decreases.

Yes, indeed. Thank you for pointing it out, will update.

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