diff options
Diffstat (limited to 'arch/powerpc/kernel/process.c')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index a45fe147868b..a15d0b619b1f 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1281,9 +1281,6 @@ struct task_struct *__switch_to(struct task_struct *prev, { struct thread_struct *new_thread, *old_thread; struct task_struct *last; -#ifdef CONFIG_PPC_64S_HASH_MMU - struct ppc64_tlb_batch *batch; -#endif new_thread = &new->thread; old_thread = ¤t->thread; @@ -1291,14 +1288,6 @@ struct task_struct *__switch_to(struct task_struct *prev, WARN_ON(!irqs_disabled()); #ifdef CONFIG_PPC_64S_HASH_MMU - batch = this_cpu_ptr(&ppc64_tlb_batch); - if (batch->active) { - current_thread_info()->local_flags |= _TLF_LAZY_MMU; - if (batch->index) - __flush_tlb_pending(batch); - batch->active = 0; - } - /* * On POWER9 the copy-paste buffer can only paste into * foreign real addresses, so unprivileged processes can not @@ -1369,20 +1358,6 @@ struct task_struct *__switch_to(struct task_struct *prev, */ #ifdef CONFIG_PPC_BOOK3S_64 -#ifdef CONFIG_PPC_64S_HASH_MMU - /* - * This applies to a process that was context switched while inside - * arch_enter_lazy_mmu_mode(), to re-activate the batch that was - * deactivated above, before _switch(). This will never be the case - * for new tasks. - */ - if (current_thread_info()->local_flags & _TLF_LAZY_MMU) { - current_thread_info()->local_flags &= ~_TLF_LAZY_MMU; - batch = this_cpu_ptr(&ppc64_tlb_batch); - batch->active = 1; - } -#endif - /* * Math facilities are masked out of the child MSR in copy_thread. * A new task does not need to restore_math because it will |