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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