Introduce for_each_gfn_sp(), for_each_gfn_indirect_sp() and
for_each_gfn_indirect_valid_sp() to cleanup hlist traverseing
Signed-off-by: Xiao Guangrong<xiaoguangrong@xxxxxxxxxxxxxx>
---
arch/x86/kvm/mmu.c | 129 ++++++++++++++++++++++------------------------------
1 files changed, 54 insertions(+), 75 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 56f8c3c..84c705e 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1200,6 +1200,22 @@ static void kvm_unlink_unsync_page(struct kvm *kvm, struct kvm_mmu_page *sp)
static int kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp);
+#define for_each_gfn_sp(kvm, sp, gfn, pos, n) \
+ hlist_for_each_entry_safe(sp, pos, n, \
+ &kvm->arch.mmu_page_hash[kvm_page_table_hashfn(gfn)], hash_link)\
+ if (sp->gfn == gfn)
+
+#define for_each_gfn_indirect_sp(kvm, sp, gfn, pos, n) \
+ hlist_for_each_entry_safe(sp, pos, n, \
+ &kvm->arch.mmu_page_hash[kvm_page_table_hashfn(gfn)], hash_link)\
+ if (sp->gfn == gfn&& !sp->role.direct)
+
+#define for_each_gfn_indirect_valid_sp(kvm, sp, gfn, pos, n) \
+ hlist_for_each_entry_safe(sp, pos, n, \
+ &kvm->arch.mmu_page_hash[kvm_page_table_hashfn(gfn)], hash_link)\
+ if (sp->gfn == gfn&& !sp->role.direct&& \
+ !sp->role.invalid)