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Subject[PATCH V3 9/10] KVM/MMU: Use tlb range flush in the kvm_age_hva()
Date
From: Lan Tianyu <Tianyu.Lan@microsoft.com>

This patch is to use tlb range flush in the kvm_age_hva().
If range flush is not available, kvm_flush_remote_tlbs_with_address()
will call kvm_flush_remote_tlbs().

Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
---
arch/x86/kvm/mmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 295833dafc59..2e13aac28293 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1994,7 +1994,7 @@ int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end,
int young = kvm_handle_hva_range(kvm, start, end, 0, kvm_age_rmapp);

if (flush && young > 0)
- kvm_flush_remote_tlbs(kvm);
+ kvm_flush_remote_tlbs_with_address(kvm, start, end - start + 1);

return young;
}
--
2.14.4
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