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SubjectRe: [PATCH v3 0/2] KVM: x86: Enable dirty logging lazily for huge pages
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ping. ^_^

On 2021/4/29 11:41, Keqian Zhu wrote:
> Hi,
>
> Currently during start dirty logging, if we're with init-all-set,
> we write protect huge pages and leave normal pages untouched, for
> that we can enable dirty logging for these pages lazily.
>
> Actually enable dirty logging lazily for huge pages is feasible
> too, which not only reduces the time of start dirty logging, also
> greatly reduces side-effect on guest when there is high dirty rate.
>
> Thanks,
> Keqian
>
> Changelog:
>
> v3:
> - Discussed with Ben and delete RFC comments. Thanks.
>
> Keqian Zhu (2):
> KVM: x86: Support write protect gfn with min_level
> KVM: x86: Not wr-protect huge page with init_all_set dirty log
>
> arch/x86/kvm/mmu/mmu.c | 38 ++++++++++++++++++++++++++-------
> arch/x86/kvm/mmu/mmu_internal.h | 3 ++-
> arch/x86/kvm/mmu/page_track.c | 2 +-
> arch/x86/kvm/mmu/tdp_mmu.c | 16 ++++++++++----
> arch/x86/kvm/mmu/tdp_mmu.h | 3 ++-
> arch/x86/kvm/x86.c | 37 +++++++++-----------------------
> 6 files changed, 57 insertions(+), 42 deletions(-)
>

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