diff options
Diffstat (limited to 'arch/powerpc/kvm')
| -rw-r--r-- | arch/powerpc/kvm/book3s_rtas.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/book3s_rtas.c b/arch/powerpc/kvm/book3s_rtas.c index cf95cdef73c..7a053157483 100644 --- a/arch/powerpc/kvm/book3s_rtas.c +++ b/arch/powerpc/kvm/book3s_rtas.c @@ -213,8 +213,11 @@ int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu) gpa_t args_phys; int rc; - /* r4 contains the guest physical address of the RTAS args */ - args_phys = kvmppc_get_gpr(vcpu, 4); + /* + * r4 contains the guest physical address of the RTAS args + * Mask off the top 4 bits since this is a guest real address + */ + args_phys = kvmppc_get_gpr(vcpu, 4) & KVM_PAM; rc = kvm_read_guest(vcpu->kvm, args_phys, &args, sizeof(args)); if (rc) |