Hi Raz, On Mon, Nov 27, 2017 at 09:10:56PM +0000, Raz wrote: > Hey > in mmu.c unmap_ptes() you invalidate *pte but not the pte itself. This > leads to inconsistency in el2 translation tables. ie; the pte entry is > cleared in the cached memory but not in the RAM, so the entry may still be > valid in EL2 translation tables.
I'm not sure which code you're talking about. Perhaps try sending a patch? > You should also clear pte itself. > If you're talking about unmap_stage2_ptes(), then I must be missing something, because I don't see why setting the pointer to 0 should matter, and what you say about cached memory and RAM doesn't sound correct, as all virtualization-capable ARM CPUs have coherent page table walks. Thanks, -Christoffer _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
