diff options
author | Lan Tianyu <Tianyu.Lan@microsoft.com> | 2018-12-06 21:21:12 +0800 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-12-21 11:28:42 +0100 |
commit | 3cc5ea94de5f71dff0d3353f610e729308583e6b (patch) | |
tree | 6823b691f82628220b5f9adcc79e29a999e14f92 /arch/x86 | |
parent | 0cf853c5e238edf503ebda2fe541e6f4a3d5bd40 (diff) |
KVM/MMU: Flush tlb directly in kvm_set_pte_rmapp()
This patch is to flush tlb directly in kvm_set_pte_rmapp()
function when Hyper-V remote TLB flush is available, returning 0
so that kvm_mmu_notifier_change_pte() does not flush again.
Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/kvm/mmu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 5a046f93a41a..fd61d715ebd6 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1776,6 +1776,11 @@ restart: } } + if (need_flush && kvm_available_flush_tlb_with_range()) { + kvm_flush_remote_tlbs_with_address(kvm, gfn, 1); + return 0; + } + return need_flush; } |