diff options
Diffstat (limited to 'arch/powerpc/mm/book3s64/radix_pgtable.c')
| -rw-r--r-- | arch/powerpc/mm/book3s64/radix_pgtable.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index 974109bb85db..dd1bea45325c 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -337,7 +337,11 @@ static void __init radix_init_pgtable(void) } /* Find out how many PID bits are supported */ - if (cpu_has_feature(CPU_FTR_HVMODE)) { + if (!cpu_has_feature(CPU_FTR_P9_RADIX_PREFETCH_BUG)) { + if (!mmu_pid_bits) + mmu_pid_bits = 20; + mmu_base_pid = 1; + } else if (cpu_has_feature(CPU_FTR_HVMODE)) { if (!mmu_pid_bits) mmu_pid_bits = 20; #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |