[PATCH V5 9/10] KVM/MMU: Flush tlb directly in the kvm_set_pte_rmapp()

[ltykernel]

From: Lan Tianyu <tianyu....@microsoft.com>

This patch is to flush tlb directly in the kvm_set_pte_rmapp()
and return 0.

Signed-off-by: Lan Tianyu <tianyu....@microsoft.com>
---
 arch/x86/kvm/mmu.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index b13b419166c4..39e0e2572710 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1776,6 +1776,11 @@ static int kvm_set_pte_rmapp(struct kvm *kvm, struct 
kvm_rmap_head *rmap_head,
                }
        }
 
+       if (need_flush && kvm_available_flush_tlb_with_range()) {
+               kvm_flush_remote_tlbs_with_address(kvm, gfn, 1);
+               return 0;
+       }
+
        return need_flush;
 }
 
-- 
2.14.4