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Commit 834be0d8 authored by Gleb Natapov's avatar Gleb Natapov Committed by Marcelo Tosatti
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Revert "KVM: MMU: split kvm_mmu_free_page" 



This reverts commit bd4c86ea.

There is not user for kvm_mmu_isolate_page() any more.

Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent eb3fce87

arch/x86/kvm/mmu.c

+3 −18
Original line number Diff line number Diff line
@@ -1461,28 +1461,14 @@ static inline void kvm_mod_used_mmu_pages(struct kvm *kvm, int nr) 
	percpu_counter_add(&kvm_total_used_mmu_pages, nr);

}



/*

 * Remove the sp from shadow page cache, after call it,

 * we can not find this sp from the cache, and the shadow

 * page table is still valid.

 * It should be under the protection of mmu lock.

 */

static void kvm_mmu_isolate_page(struct kvm_mmu_page *sp)

static void kvm_mmu_free_page(struct kvm_mmu_page *sp)

{

	ASSERT(is_empty_shadow_page(sp->spt));

	hlist_del(&sp->hash_link);

	if (!sp->role.direct)

		free_page((unsigned long)sp->gfns);

}



/*

 * Free the shadow page table and the sp, we can do it

 * out of the protection of mmu lock.

 */

static void kvm_mmu_free_page(struct kvm_mmu_page *sp)

{

	list_del(&sp->link);

	free_page((unsigned long)sp->spt);

	if (!sp->role.direct)

		free_page((unsigned long)sp->gfns);

	kmem_cache_free(mmu_page_header_cache, sp);

}
@@ -2126,7 +2112,6 @@ static void kvm_mmu_commit_zap_page(struct kvm *kvm, 
	do {

		sp = list_first_entry(invalid_list, struct kvm_mmu_page, link);

		WARN_ON(!sp->role.invalid || sp->root_count);

		kvm_mmu_isolate_page(sp);

		kvm_mmu_free_page(sp);

	} while (!list_empty(invalid_list));

}