On 08/09/2012 08:02 PM, Alexander Graf wrote:
>
>
> On 09.08.2012, at 12:36, Avi Kivity <avi@xxxxxxxxxx> wrote:
>
>> On 08/09/2012 01:34 PM, Takuya Yoshikawa wrote:
>>> On Tue, 7 Aug 2012 12:57:13 +0200
>>> Alexander Graf <agraf@xxxxxxx> wrote:
>>>
>>>> +struct kvm_memory_slot *hva_to_memslot(struct kvm *kvm, hva_t hva)
>>>> +{
>>>> + struct kvm_memslots *slots = kvm_memslots(kvm);
>>>> + struct kvm_memory_slot *memslot;
>>>> +
>>>> + kvm_for_each_memslot(memslot, slots)
>>>> + if (hva >= memslot->userspace_addr &&
>>>> + hva < memslot->userspace_addr + memslot->npages)
>>>> + return memslot;
>>>> +
>>>> + return NULL;
>>>> +}
>>>
>>> Can't we have two memory slots which contain that hva?
>>> I thought that's why hva handler had to check all slots.
>>
>> We can and do. Good catch.
>>
>
> Hrm. So I guess we can only do an hva_is_guest_memory() helper? That's all I really need anyways :)
>
How about kvm_for_each_memslot_hva_range()? That can useful in
kvm_handle_hva_range(). For your use case, you just do you stuff and
return immediately.
--
error compiling committee.c: too many arguments to function
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