diff options
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/process_64.c | 6 | ||||
| -rw-r--r-- | arch/sparc/kernel/setup_32.c | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/sys_sparc_64.c | 6 |
3 files changed, 8 insertions, 6 deletions
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index 3739a06a76cb..39d8b05201a2 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -95,12 +95,14 @@ void cpu_idle(void) set_thread_flag(TIF_POLLING_NRFLAG); while(1) { - tick_nohz_stop_sched_tick(1); + tick_nohz_idle_enter(); + rcu_idle_enter(); while (!need_resched() && !cpu_is_offline(cpu)) sparc64_yield(cpu); - tick_nohz_restart_sched_tick(); + rcu_idle_exit(); + tick_nohz_idle_exit(); preempt_enable_no_resched(); diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index fe1e3fc31bc5..ffb883ddd0f0 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -84,7 +84,7 @@ static void prom_sync_me(void) prom_printf("PROM SYNC COMMAND...\n"); show_free_areas(0); - if(current->pid != 0) { + if (!is_idle_task(current)) { local_irq_enable(); sys_sync(); local_irq_disable(); diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 441521ad8a3f..232df9949530 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -368,11 +368,11 @@ static unsigned long mmap_rnd(void) if (current->flags & PF_RANDOMIZE) { unsigned long val = get_random_int(); if (test_thread_flag(TIF_32BIT)) - rnd = (val % (1UL << (22UL-PAGE_SHIFT))); + rnd = (val % (1UL << (23UL-PAGE_SHIFT))); else - rnd = (val % (1UL << (29UL-PAGE_SHIFT))); + rnd = (val % (1UL << (30UL-PAGE_SHIFT))); } - return (rnd << PAGE_SHIFT) * 2; + return rnd << PAGE_SHIFT; } void arch_pick_mmap_layout(struct mm_struct *mm) |