From: Quentin Perret <qperret@xxxxxxxxxx> The pkvm hypervisor may need to read the kvm_vgic_global_state variable at EL2. Make sure to explicitly map it in its stage-1 page-table rather than relying on mapping all of the host .rodata section. Signed-off-by: Quentin Perret <qperret@xxxxxxxxxx> Signed-off-by: Will Deacon <will@xxxxxxxxxx> --- arch/arm64/kvm/hyp/nvhe/setup.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/kvm/hyp/nvhe/setup.c b/arch/arm64/kvm/hyp/nvhe/setup.c index 3f689ffb2693..fa06828899e1 100644 --- a/arch/arm64/kvm/hyp/nvhe/setup.c +++ b/arch/arm64/kvm/hyp/nvhe/setup.c @@ -161,6 +161,11 @@ static int recreate_hyp_mappings(phys_addr_t phys, unsigned long size, if (ret) return ret; + ret = pkvm_create_mappings(&kvm_vgic_global_state, + &kvm_vgic_global_state + 1, prot); + if (ret) + return ret; + return 0; } -- 2.37.0.rc0.161.g10f37bed90-goog _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
