diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv.c')
-rw-r--r-- | arch/powerpc/kvm/book3s_hv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 8d1a365b8edc..ffbb1b359748 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1143,6 +1143,12 @@ static void kvmppc_set_lpcr(struct kvm_vcpu *vcpu, u64 new_lpcr, mask = LPCR_DPFD | LPCR_ILE | LPCR_TC; if (cpu_has_feature(CPU_FTR_ARCH_207S)) mask |= LPCR_AIL; + /* + * On POWER9, allow userspace to enable large decrementer for the + * guest, whether or not the host has it enabled. + */ + if (cpu_has_feature(CPU_FTR_ARCH_300)) + mask |= LPCR_LD; /* Broken 32-bit version of LPCR must not clear top bits */ if (preserve_top32) |