KVM: x86: Support write protecting only large pages

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Prepare for write protecting large page lazily during dirty log tracking,
for which we will only need to write protect gfns at large page
granularity.

No functional or performance change expected.

Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
Message-Id: <20210429034115.35560-2-zhukeqian1@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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This commit is contained in:

Keqian Zhu 2021-04-29 11:41:14 +08:00 • committed by Paolo Bonzini

parent d8f5537a88

commit 3ad9356209

5 changed files with 22 additions and 11 deletions

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9

arch/x86/kvm/mmu/mmu.c

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3

arch/x86/kvm/mmu/mmu_internal.h

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2

arch/x86/kvm/mmu/page_track.c

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16

arch/x86/kvm/mmu/tdp_mmu.c

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3

arch/x86/kvm/mmu/tdp_mmu.h

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