Avi Kivity wrote:
> Dong, Eddie wrote:
>> Move per VCPU mmu_memory_cache to be VM basis.
>>
>> Your opnion?
>>
>> Eddie
>>
>> diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
>> index 0632d0b..77989b4 100644
>> --- a/drivers/kvm/kvm.h
>> +++ b/drivers/kvm/kvm.h
>> @@ -300,11 +300,6 @@ struct kvm_vcpu {
>>
>> struct kvm_mmu mmu;
>>
>> - struct kvm_mmu_memory_cache mmu_pte_chain_cache;
>> - struct kvm_mmu_memory_cache mmu_rmap_desc_cache;
>> - struct kvm_mmu_memory_cache mmu_page_cache;
>> - struct kvm_mmu_memory_cache mmu_page_header_cache; -
>> gfn_t last_pt_write_gfn;
>> int last_pt_write_count;
>>
>> @@ -383,6 +378,11 @@ struct kvm {
>> unsigned long rmap_overflow;
>> struct list_head vm_list;
>> struct file *filp;
>> +
>> + struct kvm_mmu_memory_cache mmu_pte_chain_cache;
>> + struct kvm_mmu_memory_cache mmu_rmap_desc_cache;
>> + struct kvm_mmu_memory_cache mmu_page_cache;
>> + struct kvm_mmu_memory_cache mmu_page_header_cache; };
>>
>>
>
> This exposes a race:
Yes, We will provide other pathes for real SMP support. This one is just
for pre-movement.
BTW, at bigening, our SMP work may start with big lock (only one VCPU
get accessing to shadow PT), and then gradually move to fine lock, and
we expect to start SMP debug next week. Or you want to see a big one
together after it gets up?
Eddie
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