[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....@microsoft.com>
---
 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