Messages in this thread | | | From | Mingwei Zhang <> | Date | Tue, 26 Apr 2022 11:48:36 -0700 | Subject | Re: [PATCH] KVM: x86/mmu: add lockdep check before lookup_address_in_mm() |
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> I completely agree that lookup_address() and friends are unnecessarily fragile, > but I think that attempting to harden them to fix this KVM bug will open a can > of worms and end up delaying getting KVM fixed.
So basically, we need to: - choose perf_get_page_size() instead of using any of the lookup_address*() in mm. - add a wrapper layer to adapt: 1) irq disabling/enabling and 2) size -> level translation.
Agree?
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