diff options
Diffstat (limited to 'arch/powerpc/mm/slb.c')
| -rw-r--r-- | arch/powerpc/mm/slb.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c index 6fec2ce3ccf4..1347ab86d32e 100644 --- a/arch/powerpc/mm/slb.c +++ b/arch/powerpc/mm/slb.c @@ -347,8 +347,6 @@ void switch_slb(struct task_struct *tsk, struct mm_struct *mm) get_paca()->slb_cache_ptr = 0; } - copy_mm_to_paca(mm); - /* * preload some userspace segments into the SLB. * Almost all 32 and 64bit PowerPC executables are linked at @@ -375,6 +373,24 @@ void slb_set_size(u16 size) mmu_slb_size = size; } +static void cpu_flush_slb(void *parm) +{ + struct mm_struct *mm = parm; + unsigned long flags; + + if (mm != current->active_mm) + return; + + local_irq_save(flags); + slb_flush_and_rebolt(); + local_irq_restore(flags); +} + +void core_flush_all_slbs(struct mm_struct *mm) +{ + on_each_cpu(cpu_flush_slb, mm, 1); +} + void slb_initialize(void) { unsigned long linear_llp, vmalloc_llp, io_llp; |