diff options
Diffstat (limited to 'kernel/arch/powerpc/kvm/book3s_hv_rm_mmu.c')
| -rw-r--r-- | kernel/arch/powerpc/kvm/book3s_hv_rm_mmu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/kernel/arch/powerpc/kvm/book3s_hv_rm_mmu.c index 91700518b..d509ff5c8 100644 --- a/kernel/arch/powerpc/kvm/book3s_hv_rm_mmu.c +++ b/kernel/arch/powerpc/kvm/book3s_hv_rm_mmu.c @@ -653,6 +653,8 @@ long kvmppc_h_protect(struct kvm_vcpu *vcpu, unsigned long flags, HPTE_V_ABSENT); do_tlbies(kvm, &rb, 1, global_invalidates(kvm, flags), true); + /* Don't lose R/C bit updates done by hardware */ + r |= be64_to_cpu(hpte[1]) & (HPTE_R_R | HPTE_R_C); hpte[1] = cpu_to_be64(r); } } |