[PATCH 6/6] Revert "KVM: MMU: split kvm_mmu_free_page"

[Gleb Natapov]

This reverts commit bd4c86eaa6ff10abc4e00d0f45d2a28b10b09df4.

There is not user for kvm_mmu_isolate_page() any more.

Signed-off-by: Gleb Natapov <g...@redhat.com>
---
 arch/x86/kvm/mmu.c |   21 +++------------------
 1 file changed, 3 insertions(+), 18 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 42ba85c..0242a8a 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -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));
 }
-- 
1.7.10.4

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