diff options
Diffstat (limited to 'arch/tile/kernel/process.c')
| -rw-r--r-- | arch/tile/kernel/process.c | 41 |
1 files changed, 8 insertions, 33 deletions
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index 54e6c64b85c..6be79915050 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -114,27 +114,10 @@ void cpu_idle(void) } } -struct thread_info *alloc_thread_info_node(struct task_struct *task, int node) -{ - struct page *page; - gfp_t flags = GFP_KERNEL; - -#ifdef CONFIG_DEBUG_STACK_USAGE - flags |= __GFP_ZERO; -#endif - - page = alloc_pages_node(node, flags, THREAD_SIZE_ORDER); - if (!page) - return NULL; - - return (struct thread_info *)page_address(page); -} - /* - * Free a thread_info node, and all of its derivative - * data structures. + * Release a thread_info structure */ -void free_thread_info(struct thread_info *info) +void arch_release_thread_info(struct thread_info *info) { struct single_step_state *step_state = info->step_state; @@ -145,10 +128,10 @@ void free_thread_info(struct thread_info *info) * Calling deactivate here just frees up the data structures. * If the task we're freeing held the last reference to a * hardwall fd, it would have been released prior to this point - * anyway via exit_files(), and "hardwall" would be NULL by now. + * anyway via exit_files(), and the hardwall_task.info pointers + * would be NULL by now. */ - if (info->task->thread.hardwall) - hardwall_deactivate(info->task); + hardwall_deactivate_all(info->task); #endif if (step_state) { @@ -169,8 +152,6 @@ void free_thread_info(struct thread_info *info) */ kfree(step_state); } - - free_pages((unsigned long)info, THREAD_SIZE_ORDER); } static void save_arch_state(struct thread_struct *t); @@ -264,7 +245,8 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, #ifdef CONFIG_HARDWALL /* New thread does not own any networks. */ - p->thread.hardwall = NULL; + memset(&p->thread.hardwall[0], 0, + sizeof(struct hardwall_task) * HARDWALL_TYPES); #endif @@ -534,12 +516,7 @@ struct task_struct *__sched _switch_to(struct task_struct *prev, #ifdef CONFIG_HARDWALL /* Enable or disable access to the network registers appropriately. */ - if (prev->thread.hardwall != NULL) { - if (next->thread.hardwall == NULL) - restrict_network_mpls(); - } else if (next->thread.hardwall != NULL) { - grant_network_mpls(); - } + hardwall_switch_tasks(prev, next); #endif /* @@ -588,8 +565,6 @@ int do_work_pending(struct pt_regs *regs, u32 thread_info_flags) if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); return 1; } if (thread_info_flags & _TIF_SINGLESTEP) { |