>Dong, Eddie wrote:
>> host side TLB flush can be merged together if multiple
>> spte need to be write-protected.
>>
>> Signed-off-by: Yaozu (Eddie) Dong <[EMAIL PROTECTED]>
>>
>> diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
>> index 92ac0d1..749db46 100644
>> --- a/drivers/kvm/mmu.c
>> +++ b/drivers/kvm/mmu.c
>> @@ -524,9 +524,9 @@ static void rmap_write_protect(struct
>kvm *kvm, u64
>> gfn)
>> rmap_printk("rmap_write_protect: spte %p %llx\n", spte,
>> *spte);
>> if (is_writeble_pte(*spte))
>> set_shadow_pte(spte, *spte & ~PT_WRITABLE_MASK);
>> - kvm_flush_remote_tlbs(kvm);
>> spte = rmap_next(kvm, rmapp, spte);
>> }
>> + kvm_flush_remote_tlbs(kvm);
>> }
>>
>
>
>I think this can be improved; in case we don't touch the shadow pte at
>all, there is no need to flush the tlbs.
>
>Also, please pull from kvm.git; things have moved around (mmu.c is now
>in arch/x86/kvm/).
>
>
Sure, rebased.
thx,eddie
tlb-clean1.patch2
Description: tlb-clean1.patch2
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