kvm: x86/mmu: Support changed pte notifier in tdp MMU

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In order to interoperate correctly with the rest of KVM and other Linux
subsystems, the TDP MMU must correctly handle various MMU notifiers. Add
a hook and handle the change_pte MMU notifier.

Tested by running kvm-unit-tests and KVM selftests on an Intel Haswell
machine. This series introduced no new failures.

This series can be viewed in Gerrit at:
	https://linux-review.googlesource.com/c/virt/kvm/kvm/+/2538

Signed-off-by: Ben Gardon <bgardon@google.com>
Message-Id: <20201014182700.2888246-15-bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

...

This commit is contained in:

Ben Gardon 2020-10-14 11:26:54 -07:00 • committed by Paolo Bonzini

parent f8e144971c

commit 1d8dd6b3f1

3 changed files with 67 additions and 1 deletions

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9

arch/x86/kvm/mmu/mmu.c

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56

arch/x86/kvm/mmu/tdp_mmu.c

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3

arch/x86/kvm/mmu/tdp_mmu.h

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