diff options
| -rw-r--r-- | include/linux/irq.h | 14 | ||||
| -rw-r--r-- | kernel/fork.c | 13 | ||||
| -rw-r--r-- | kernel/futex.c | 7 | ||||
| -rw-r--r-- | kernel/irq/numa_migrate.c | 1 | ||||
| -rw-r--r-- | kernel/posix-cpu-timers.c | 2 | ||||
| -rw-r--r-- | kernel/timer.c | 7 | ||||
| -rw-r--r-- | lib/vsprintf.c | 16 |
7 files changed, 36 insertions, 24 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index ca507c9..b7cbeed 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -487,6 +487,16 @@ static inline void init_copy_desc_masks(struct irq_desc *old_desc, #endif } +static inline void free_desc_masks(struct irq_desc *old_desc, + struct irq_desc *new_desc) +{ + free_cpumask_var(old_desc->affinity); + +#ifdef CONFIG_GENERIC_PENDING_IRQ + free_cpumask_var(old_desc->pending_mask); +#endif +} + #else /* !CONFIG_SMP */ static inline bool init_alloc_desc_masks(struct irq_desc *desc, int cpu, @@ -500,6 +510,10 @@ static inline void init_copy_desc_masks(struct irq_desc *old_desc, { } +static inline void free_desc_masks(struct irq_desc *old_desc, + struct irq_desc *new_desc) +{ +} #endif /* CONFIG_SMP */ #endif /* _LINUX_IRQ_H */ diff --git a/kernel/fork.c b/kernel/fork.c index 989c7c2..b9e2edd 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -800,6 +800,12 @@ static void posix_cpu_timers_init_group(struct signal_struct *sig) sig->cputime_expires.virt_exp = cputime_zero; sig->cputime_expires.sched_exp = 0; + if (sig->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY) { + sig->cputime_expires.prof_exp = + secs_to_cputime(sig->rlim[RLIMIT_CPU].rlim_cur); + sig->cputimer.running = 1; + } + /* The timer lists. */ INIT_LIST_HEAD(&sig->cpu_timers[0]); INIT_LIST_HEAD(&sig->cpu_timers[1]); @@ -815,11 +821,8 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) atomic_inc(¤t->signal->live); return 0; } - sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL); - - if (sig) - posix_cpu_timers_init_group(sig); + sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL); tsk->signal = sig; if (!sig) return -ENOMEM; @@ -859,6 +862,8 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) memcpy(sig->rlim, current->signal->rlim, sizeof sig->rlim); task_unlock(current->group_leader); + posix_cpu_timers_init_group(sig); + acct_init_pacct(&sig->pacct); tty_audit_fork(sig); diff --git a/kernel/futex.c b/kernel/futex.c index 6b50a02..eef8cd2 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -883,7 +883,12 @@ retry_private: out_unlock: double_unlock_hb(hb1, hb2); - /* drop_futex_key_refs() must be called outside the spinlocks. */ + /* + * drop_futex_key_refs() must be called outside the spinlocks. During + * the requeue we moved futex_q's from the hash bucket at key1 to the + * one at key2 and updated their key pointer. We no longer need to + * hold the references to key1. + */ while (--drop_count >= 0) drop_futex_key_refs(&key1); diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c index 243d612..44bbdcb 100644 --- a/kernel/irq/numa_migrate.c +++ b/kernel/irq/numa_migrate.c @@ -54,6 +54,7 @@ static bool init_copy_one_irq_desc(int irq, struct irq_desc *old_desc, static void free_one_irq_desc(struct irq_desc *old_desc, struct irq_desc *desc) { free_kstat_irqs(old_desc, desc); + free_desc_masks(old_desc, desc); arch_free_chip_data(old_desc, desc); } diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index 8e5d9a6..bb53185 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -18,7 +18,7 @@ void update_rlimit_cpu(unsigned long rlim_new) cputime = secs_to_cputime(rlim_new); if (cputime_eq(current->signal->it_prof_expires, cputime_zero) || - cputime_lt(current->signal->it_prof_expires, cputime)) { + cputime_gt(current->signal->it_prof_expires, cputime)) { spin_lock_irq(¤t->sighand->siglock); set_process_cpu_timer(current, CPUCLOCK_PROF, &cputime, NULL); spin_unlock_irq(¤t->sighand->siglock); diff --git a/kernel/timer.c b/kernel/timer.c index b455556..cffffad 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -531,10 +531,13 @@ static void __init_timer(struct timer_list *timer, } /** - * init_timer - initialize a timer. + * init_timer_key - initialize a timer * @timer: the timer to be initialized + * @name: name of the timer + * @key: lockdep class key of the fake lock used for tracking timer + * sync lock dependencies * - * init_timer() must be done to a timer prior calling *any* of the + * init_timer_key() must be done to a timer prior calling *any* of the * other timer functions. */ void init_timer_key(struct timer_list *timer, diff --git a/lib/vsprintf.c b/lib/vsprintf.c index be3001f..7536ace 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -1051,13 +1051,6 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args) if (str < end) *str = '%'; ++str; - if (*fmt) { - if (str < end) - *str = *fmt; - ++str; - } else { - --fmt; - } break; case FORMAT_TYPE_NRCHARS: { @@ -1339,8 +1332,6 @@ do { \ break; case FORMAT_TYPE_INVALID: - if (!*fmt) - --fmt; break; case FORMAT_TYPE_NRCHARS: { @@ -1523,13 +1514,6 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf) if (str < end) *str = '%'; ++str; - if (*fmt) { - if (str < end) - *str = *fmt; - ++str; - } else { - --fmt; - } break; case FORMAT_TYPE_NRCHARS: |