From: Lan Tianyu <Tianyu.Lan@xxxxxxxxxxxxx>
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 <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 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
