Re: [PATCH 09/15] KVM: MMU: split kvm_mmu_free_page

From: Avi Kivity
Date: Sun Jun 12 2011 - 04:33:22 EST


On 06/10/2011 06:50 AM, Xiao Guangrong wrote:
>> +static void kvm_mmu_free_unlock_parts(struct kvm_mmu_page *sp)
>> +{
>> + list_del(&sp->link);
>> + free_page((unsigned long)sp->spt);
>> kmem_cache_free(mmu_page_header_cache, sp);
>> }
>
> The list_del() must be run under a lock, no? it can access kvm->arch.active_mmu_pages.
>

In prepare path, we have moved the sp from active_mmu_pages to invlaid_list.

It still needs to be accessed under a lock, no matter which list is used.

--
error compiling committee.c: too many arguments to function

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