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@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 822e170881a4..dfd2a0710417 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1888,6 +1888,13 @@ 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 - gfn_start);
+ ret = 0;
+ }
}
}
--
2.14.4
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