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authorGleb Natapov <gleb@redhat.com>2013-01-30 16:45:05 +0200
committerMarcelo Tosatti <mtosatti@redhat.com>2013-02-05 22:47:39 -0200
commit834be0d83f9451573e6fadb381fe0714211c7e90 (patch)
tree11a18d840145e96cc3b34f8b9891fe4df8f8cd5c
parenteb3fce87ccc5d38b1ad340f32e34abc09911fb83 (diff)
downloadop-kernel-dev-834be0d83f9451573e6fadb381fe0714211c7e90.zip
op-kernel-dev-834be0d83f9451573e6fadb381fe0714211c7e90.tar.gz
Revert "KVM: MMU: split kvm_mmu_free_page"
This reverts commit bd4c86eaa6ff10abc4e00d0f45d2a28b10b09df4. There is not user for kvm_mmu_isolate_page() any more. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
-rw-r--r--arch/x86/kvm/mmu.c21
1 files 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));
}
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