Messages in this thread Patch in this message | | | From | Tianyu Lan <> | Subject | [PATCH V2 4/13] KVM/MMU: Flush tlb directly in the kvm_handle_hva_range() | Date | Tue, 18 Sep 2018 03:18:36 +0000 |
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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 | 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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