This patchset is mmu relative, it fixes potential issue about tlb flush of secondary mmu and huge page selection etc. Also it hardens LoongArch kvm mmu module. With this patchset, VM migration is stabler than before. Bibo Mao (6): LoongArch: KVM: Delay secondary mmu tlb flush until guest entry LoongArch: KVM: Select huge page only if secondary mmu supports it LoongArch: KVM: Discard dirty page tracking on readonly memslot LoongArch: KVM: Add memory barrier before update pmd entry LoongArch: KVM: Add dirty bitmap initially all set support LoongArch: KVM: Mark page accessed and dirty with page ref added arch/loongarch/include/asm/kvm_host.h | 5 ++ arch/loongarch/include/asm/kvm_mmu.h | 2 +- arch/loongarch/kvm/main.c | 1 + arch/loongarch/kvm/mmu.c | 67 ++++++++++++++++++++------- arch/loongarch/kvm/tlb.c | 5 +- arch/loongarch/kvm/vcpu.c | 18 +++++++ 6 files changed, 75 insertions(+), 23 deletions(-) base-commit: 92e5605a199efbaee59fb19e15d6cc2103a04ec2 -- 2.39.3
