Re: [PATCH 1/1] KVM: x86: remove incorrect comment on active_mmu_pages

From: Dongli Zhang
Date: Fri Feb 26 2021 - 00:41:58 EST




On 2/25/21 4:44 PM, Sean Christopherson wrote:
> On Tue, Feb 23, 2021, Dongli Zhang wrote:
>> The 'mmu_page_hash' is used as hash table while 'active_mmu_pages' is a
>> list. This patch removes the incorrect comment on active_mmu_pages.
>
> Maybe change the last sentence to "Remove the misplaced comment, it's mostly
> stating the obvious anyways." It's more misplaced than flat out incorrect, e.g.
> the alternative would be to hoist the comment above mmu_page_hash. I like
> removing it though, IMO mmu_page_hash is the most obvious name out of the
> various structures that track shadow pages.

Thank you very much!

I will change the last sentence and send v2 with your Reviewed-by.

Dongli Zhang

>
> With that tweak:
>
> Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>
>
>
>> Signed-off-by: Dongli Zhang <dongli.zhang@xxxxxxxxxx>
>> ---
>> arch/x86/include/asm/kvm_host.h | 3 ---
>> 1 file changed, 3 deletions(-)
>>
>> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
>> index 84499aad01a4..318242512407 100644
>> --- a/arch/x86/include/asm/kvm_host.h
>> +++ b/arch/x86/include/asm/kvm_host.h
>> @@ -937,9 +937,6 @@ struct kvm_arch {
>> unsigned int indirect_shadow_pages;
>> u8 mmu_valid_gen;
>> struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES];
>> - /*
>> - * Hash table of struct kvm_mmu_page.
>> - */
>> struct list_head active_mmu_pages;
>> struct list_head zapped_obsolete_pages;
>> struct list_head lpage_disallowed_mmu_pages;
>> --
>> 2.17.1
>>