Re: [PATCH v2 09/13] KVM: x86: pass kvm_mmu_page to gfn_to_rmap

From: Xiao Guangrong
Date: Mon Jun 08 2015 - 23:32:25 EST




On 05/28/2015 01:05 AM, Paolo Bonzini wrote:
This is always available (with one exception in the auditing code).
Later we will also use the role to look up the right memslots array.

return;
@@ -191,11 +191,15 @@ static void audit_write_protection(struct kvm *kvm, struct kvm_mmu_page *sp)
unsigned long *rmapp;
u64 *sptep;
struct rmap_iterator iter;
+ struct kvm_memslots *slots;
+ struct kvm_memory_slot *slot;

if (sp->role.direct || sp->unsync || sp->role.invalid)
return;

- rmapp = gfn_to_rmap(kvm, sp->gfn, PT_PAGE_TABLE_LEVEL);
+ slots = kvm_memslots(kvm);
+ slot = __gfn_to_memslot(slots, sp->gfn);
+ rmapp = __gfn_to_rmap(sp->gfn, PT_PAGE_TABLE_LEVEL, slot);


Why @sp is not available here?
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