diff options
Diffstat (limited to 'arch/hexagon/kernel/process.c')
| -rw-r--r-- | arch/hexagon/kernel/process.c | 43 |
1 files changed, 3 insertions, 40 deletions
diff --git a/arch/hexagon/kernel/process.c b/arch/hexagon/kernel/process.c index 18c4f0b0f4ba..af51de63b835 100644 --- a/arch/hexagon/kernel/process.c +++ b/arch/hexagon/kernel/process.c @@ -1,7 +1,7 @@ /* * Process creation support for Hexagon * - * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. + * Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -88,7 +88,7 @@ void (*idle_sleep)(void) = default_idle; void cpu_idle(void) { while (1) { - tick_nohz_stop_sched_tick(1); + tick_nohz_idle_enter(); local_irq_disable(); while (!need_resched()) { idle_sleep(); @@ -97,7 +97,7 @@ void cpu_idle(void) local_irq_disable(); } local_irq_enable(); - tick_nohz_restart_sched_tick(); + tick_nohz_idle_exit(); schedule(); } } @@ -234,43 +234,6 @@ unsigned long get_wchan(struct task_struct *p) } /* - * Borrowed from PowerPC -- basically allow smaller kernel stacks if we - * go crazy with the page sizes. - */ -#if THREAD_SHIFT < PAGE_SHIFT - -static struct kmem_cache *thread_info_cache; - -struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node) -{ - struct thread_info *ti; - - ti = kmem_cache_alloc_node(thread_info_cache, GFP_KERNEL, node); - if (unlikely(ti == NULL)) - return NULL; -#ifdef CONFIG_DEBUG_STACK_USAGE - memset(ti, 0, THREAD_SIZE); -#endif - return ti; -} - -void free_thread_info(struct thread_info *ti) -{ - kmem_cache_free(thread_info_cache, ti); -} - -/* Weak symbol; called by init/main.c */ - -void thread_info_cache_init(void) -{ - thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE, - THREAD_SIZE, 0, NULL); - BUG_ON(thread_info_cache == NULL); -} - -#endif /* THREAD_SHIFT < PAGE_SHIFT */ - -/* * Required placeholder. */ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) |