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[0/3] KVM: arm64: Some optimizations about enabling dirty log

Message ID 20200325042423.12181-1-zhukeqian1@huawei.com (mailing list archive)
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Series KVM: arm64: Some optimizations about enabling dirty log | expand

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zhukeqian March 25, 2020, 4:24 a.m. UTC 
This patch series is for "queue" branch of [1] and based on patches[2].
It brings obvious time decreasement for migration with different page
size.

The QEMU counterpart will be sent out later, thanks.

[1] git://git.kernel.org/pub/scm/virt/kvm/kvm.git
[2] https://lore.kernel.org/kvm/20200227013227.1401-1-jianjay.zhou@huawei.com/

Keqian Zhu (3):
  KVM/memslot: Move the initial set of dirty bitmap to arch
  KVM/arm64: Support enabling dirty log graually in small chunks
  KVM/arm64: Only set bits of dirty bitmap with valid translation
    entries

 Documentation/virt/kvm/api.rst    |   2 +-
 arch/arm/include/asm/kvm_host.h   |   2 -
 arch/arm64/include/asm/kvm_host.h |   5 +-
 arch/x86/kvm/x86.c                |   3 +
 virt/kvm/arm/mmu.c                | 175 +++++++++++++++++++++++++-----
 virt/kvm/kvm_main.c               |   3 -
 6 files changed, 157 insertions(+), 33 deletions(-)