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Subject[PATCH 4/13] KVM/MMU: Flush tlb directly in the kvm_handle_hva_range()
Date
This patch is to flush tlb directly in the kvm_handle_hva_range()
when range flush is available.

Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
---
arch/x86/kvm/mmu.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 0ee310bad2c6..cadb6a0b5247 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1888,6 +1888,12 @@ 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 - 1);
+ ret = 0;
+ }
}
}

--
2.14.4
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