Re: [PATCH 3/4] mmu: don't pass *kvm to spte_write_protect

From: Bandan Das
Date: Thu Jul 21 2016 - 15:21:18 EST


Paolo Bonzini <pbonzini@xxxxxxxxxx> writes:

> On 21/07/2016 00:25, Bandan Das wrote:
>> That parameter isn't used in the function,
>> it's probably a historical artifact.
>
> Same for spte_clear_dirty and spte_set_dirty, please.

Sure! I will fix this in a follow-up.

Bandan

> Paolo
>
>> Signed-off-by: Bandan Das <bsd@xxxxxxxxxx>
>> ---
>> arch/x86/kvm/mmu.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
>> index def97b3..aaecd10 100644
>> --- a/arch/x86/kvm/mmu.c
>> +++ b/arch/x86/kvm/mmu.c
>> @@ -1204,7 +1204,7 @@ static void drop_large_spte(struct kvm_vcpu *vcpu, u64 *sptep)
>> *
>> * Return true if tlb need be flushed.
>> */
>> -static bool spte_write_protect(struct kvm *kvm, u64 *sptep, bool pt_protect)
>> +static bool spte_write_protect(u64 *sptep, bool pt_protect)
>> {
>> u64 spte = *sptep;
>>
>> @@ -1230,7 +1230,7 @@ static bool __rmap_write_protect(struct kvm *kvm,
>> bool flush = false;
>>
>> for_each_rmap_spte(rmap_head, &iter, sptep)
>> - flush |= spte_write_protect(kvm, sptep, pt_protect);
>> + flush |= spte_write_protect(sptep, pt_protect);
>>
>> return flush;
>> }
>>