From: Lan Tianyu <[email protected]>

This patch is to flush tlb in the kvm_age_rmapp() when tlb range flush
is available and flush request is true.

Signed-off-by: Lan Tianyu <[email protected]>
---
 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 a5728f51bf7d..bc402a72956a 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1958,10 +1958,17 @@ static int kvm_age_rmapp(struct kvm *kvm, struct 
kvm_rmap_head *rmap_head,
        u64 *sptep;
        struct rmap_iterator uninitialized_var(iter);
        int young = 0;
+       bool flush = (bool)data;
 
        for_each_rmap_spte(rmap_head, &iter, sptep)
                young |= mmu_spte_age(sptep);
 
+       if (young && flush) {
+               kvm_flush_remote_tlbs_with_address(kvm, gfn,
+                               KVM_PAGES_PER_HPAGE(level));
+               young = 0;
+       }
+
        trace_kvm_age_page(gfn, level, slot, young);
        return young;
 }
-- 
2.14.4

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