| Date | Thu, 11 Mar 2021 17:33:38 +0000 | From | Will Deacon <> | Subject | Re: [PATCH v4 27/34] KVM: arm64: Always zero invalid PTEs |
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On Wed, Mar 10, 2021 at 05:57:44PM +0000, Quentin Perret wrote: > kvm_set_invalid_pte() currently only clears bit 0 from a PTE because > stage2_map_walk_table_post() needs to be able to follow the anchor. In > preparation for re-using bits 63-02 from invalid PTEs, make sure to zero
Why do you exclude bit 1 from this range?
> it entirely by ensuring to cache the anchor's child upfront. > > Suggested-by: Will Deacon <will@kernel.org> > Signed-off-by: Quentin Perret <qperret@google.com> > --- > arch/arm64/kvm/hyp/pgtable.c | 26 ++++++++++++++++---------- > 1 file changed, 16 insertions(+), 10 deletions(-)
For the patch:
Acked-by: Will Deacon <will@kernel.org>
Will
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