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- Recover possible NX huge pages within the TDP MMU under read lock to
reduce guest jitter when restoring NX huge pages.
- Return -EAGAIN during prefault if userspace concurrently deletes/moves the
relevant memslot to fix an issue where prefaulting could deadlock with the
memslot update.
- Don't retry in TDX's anti-zero-step mitigation if the target memslot is
invalid, i.e. is being deleted or moved, to fix a deadlock scenario similar
to the aforementioned prefaulting case.
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Merge tag 'kvm-x86-mmu-6.18' of https://github.com/kvm-x86/linux into HEAD
KVM x86 MMU changes for 6.18
- Recover possible NX huge pages within the TDP MMU under read lock to
reduce guest jitter when restoring NX huge pages.
- Return -EAGAIN during prefault if userspace concurrently deletes/moves the
relevant memslot to fix an issue where prefaulting could deadlock with the
memslot update.
- Don't retry in TDX's anti-zero-step mitigation if the target memslot is
invalid, i.e. is being deleted or moved, to fix a deadlock scenario similar
to the aforementioned prefaulting case.
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