[PATCH V3 4/13] KVM/MMU: Flush tlb directly in the kvm_handle_hva_range()

[Tianyu Lan]

This patch is to flush tlb directly in the kvm_handle_hva_range()
when range flush is available.

Signed-off-by: Lan Tianyu <Tianyu.Lan@xxxxxxxxxxxxx>
---
 arch/x86/kvm/mmu.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d10d8423e8d6..877edae0401f 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1888,6 +1888,13 @@ static int kvm_handle_hva_range(struct kvm *kvm,
 						 &iterator)
 				ret |= handler(kvm, iterator.rmap, memslot,
 					       iterator.gfn, iterator.level, data);
+
+			if (ret && kvm_available_flush_tlb_with_range()) {
+				kvm_flush_remote_tlbs_with_address(kvm,
+						gfn_start,
+						gfn_end - gfn_start);
+				ret = 0;
+			}
 		}
 	}
 
-- 
2.14.4