diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cpuset.c | 17 | ||||
| -rw-r--r-- | kernel/sched.c | 4 | ||||
| -rw-r--r-- | kernel/signal.c | 2 | ||||
| -rw-r--r-- | kernel/timer.c | 2 |
4 files changed, 21 insertions, 4 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 21a4e3b2cbd..e0d296c5b30 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -636,6 +636,23 @@ static void update_cpu_domains(struct cpuset *cur) return; /* + * Hack to avoid 2.6.13 partial node dynamic sched domain bug. + * Require the 'cpu_exclusive' cpuset to include all (or none) + * of the CPUs on each node, or return w/o changing sched domains. + * Remove this hack when dynamic sched domains fixed. + */ + { + int i, j; + + for_each_cpu_mask(i, cur->cpus_allowed) { + for_each_cpu_mask(j, node_to_cpumask(cpu_to_node(i))) { + if (!cpu_isset(j, cur->cpus_allowed)) + return; + } + } + } + + /* * Get all cpus from parent's cpus_allowed not part of exclusive * children */ diff --git a/kernel/sched.c b/kernel/sched.c index a646e4f36c4..5f889d0cbfc 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3378,8 +3378,8 @@ EXPORT_SYMBOL(set_user_nice); */ int can_nice(const task_t *p, const int nice) { - /* convert nice value [19,-20] to rlimit style value [0,39] */ - int nice_rlim = 19 - nice; + /* convert nice value [19,-20] to rlimit style value [1,40] */ + int nice_rlim = 20 - nice; return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur || capable(CAP_SYS_NICE)); } diff --git a/kernel/signal.c b/kernel/signal.c index ca1186eef93..d282fea8113 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -692,7 +692,7 @@ static void handle_stop_signal(int sig, struct task_struct *p) { struct task_struct *t; - if (p->flags & SIGNAL_GROUP_EXIT) + if (p->signal->flags & SIGNAL_GROUP_EXIT) /* * The process is in the middle of dying already. */ diff --git a/kernel/timer.c b/kernel/timer.c index f2a11887a72..5377f40723f 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -1023,7 +1023,7 @@ asmlinkage long sys_getppid(void) parent = me->group_leader->real_parent; for (;;) { pid = parent->tgid; -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT) { struct task_struct *old = parent; |