diff options
Diffstat (limited to 'arch/powerpc/mm/book3s64/pgtable.c')
| -rw-r--r-- | arch/powerpc/mm/book3s64/pgtable.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c index 6fab9c0bbbaf..351eb78eed55 100644 --- a/arch/powerpc/mm/book3s64/pgtable.c +++ b/arch/powerpc/mm/book3s64/pgtable.c @@ -252,6 +252,11 @@ void mmu_partition_table_set_entry(unsigned int lpid, unsigned long dw0, pr_info("PATE registered by ultravisor: dw0 = 0x%lx, dw1 = 0x%lx\n", dw0, dw1); } else if (flush) { + /* + * Boot does not need to flush, because MMU is off and each + * CPU does a tlbiel_all() before switching them on, which + * flushes everything. + */ flush_partition(lpid, (old & PATB_HR)); } } |