Messages in this thread Patch in this message | | | From | lantianyu1986@gmail ... | Subject | [PATCH 11/11] KVM/MMU: Flush tlb in the kvm_age_rmapp() | Date | Fri, 4 Jan 2019 16:54:05 +0800 |
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From: Lan Tianyu <Tianyu.Lan@microsoft.com>
This patch is to flush tlb in the kvm_age_rmapp() when tlb range flush is available and flush request is true.
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 a5728f51bf7d..bc402a72956a 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1958,10 +1958,17 @@ static int kvm_age_rmapp(struct kvm *kvm, struct kvm_rmap_head *rmap_head, u64 *sptep; struct rmap_iterator uninitialized_var(iter); int young = 0; + bool flush = (bool)data; for_each_rmap_spte(rmap_head, &iter, sptep) young |= mmu_spte_age(sptep); + if (young && flush) { + kvm_flush_remote_tlbs_with_address(kvm, gfn, + KVM_PAGES_PER_HPAGE(level)); + young = 0; + } + trace_kvm_age_page(gfn, level, slot, young); return young; } -- 2.14.4
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