On Wed, Dec 01, 2021 at 05:03:55PM +0000, Quentin Perret wrote: > The kvm_host_owns_hyp_mappings() function should return true if and only > if the host kernel is responsible for creating the hypervisor stage-1 > mappings. That is only possible in standard non-VHE mode, or during boot > in protected nVHE mode. But either way, non of this makes sense in VHE, > so make sure to catch this case as well, hence making the function > return sensible values in any context (VHE or not). > > Suggested-by: Marc Zyngier <[email protected]> > Signed-off-by: Quentin Perret <[email protected]> > --- > arch/arm64/kvm/mmu.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c > index 326cdfec74a1..f8f1096a297f 100644 > --- a/arch/arm64/kvm/mmu.c > +++ b/arch/arm64/kvm/mmu.c > @@ -239,6 +239,9 @@ void free_hyp_pgds(void) > > static bool kvm_host_owns_hyp_mappings(void) > { > + if (is_kernel_in_hyp_mode()) > + return false;
This looks identical to: https://lore.kernel.org/r/[email protected] Will _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
