diff options
Diffstat (limited to 'kernel')
110 files changed, 7102 insertions, 3927 deletions
diff --git a/kernel/Makefile b/kernel/Makefile index 0b72d1a74be..0b5ff083fa2 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -10,8 +10,7 @@ obj-y = sched.o fork.o exec_domain.o panic.o printk.o \ kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \ hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \ notifier.o ksysfs.o pm_qos_params.o sched_clock.o cred.o \ - async.o range.o -obj-$(CONFIG_HAVE_EARLY_RES) += early_res.o + async.o range.o jump_label.o obj-y += groups.o ifdef CONFIG_FUNCTION_TRACER @@ -23,6 +22,7 @@ CFLAGS_REMOVE_rtmutex-debug.o = -pg CFLAGS_REMOVE_cgroup-debug.o = -pg CFLAGS_REMOVE_sched_clock.o = -pg CFLAGS_REMOVE_perf_event.o = -pg +CFLAGS_REMOVE_irq_work.o = -pg endif obj-$(CONFIG_FREEZER) += freezer.o @@ -86,6 +86,7 @@ obj-$(CONFIG_TREE_RCU) += rcutree.o obj-$(CONFIG_TREE_PREEMPT_RCU) += rcutree.o obj-$(CONFIG_TREE_RCU_TRACE) += rcutree_trace.o obj-$(CONFIG_TINY_RCU) += rcutiny.o +obj-$(CONFIG_TINY_PREEMPT_RCU) += rcutiny.o obj-$(CONFIG_RELAY) += relay.o obj-$(CONFIG_SYSCTL) += utsname_sysctl.o obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o @@ -100,6 +101,7 @@ obj-$(CONFIG_TRACING) += trace/ obj-$(CONFIG_X86_DS) += trace/ obj-$(CONFIG_RING_BUFFER) += trace/ obj-$(CONFIG_SMP) += sched_cpupri.o +obj-$(CONFIG_IRQ_WORK) += irq_work.o obj-$(CONFIG_PERF_EVENTS) += perf_event.o obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c index 6bf2306be7d..f0c9b2e7542 100644 --- a/kernel/audit_watch.c +++ b/kernel/audit_watch.c @@ -526,8 +526,8 @@ static int audit_watch_handle_event(struct fsnotify_group *group, BUG_ON(group != audit_watch_group); switch (event->data_type) { - case (FSNOTIFY_EVENT_FILE): - inode = event->file->f_path.dentry->d_inode; + case (FSNOTIFY_EVENT_PATH): + inode = event->path.dentry->d_inode; break; case (FSNOTIFY_EVENT_INODE): inode = event->inode; diff --git a/kernel/auditsc.c b/kernel/auditsc.c index b87a63beb66..1b31c130d03 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -1835,13 +1835,8 @@ void __audit_getname(const char *name) context->names[context->name_count].ino = (unsigned long)-1; context->names[context->name_count].osid = 0; ++context->name_count; - if (!context->pwd.dentry) { - read_lock(¤t->fs->lock); - context->pwd = current->fs->pwd; - path_get(¤t->fs->pwd); - read_unlock(¤t->fs->lock); - } - + if (!context->pwd.dentry) + get_fs_pwd(current->fs, &context->pwd); } /* audit_putname - intercept a putname request diff --git a/kernel/cgroup.c b/kernel/cgroup.c index d83cab06da8..7b69b8d0313 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -52,7 +52,6 @@ #include <linux/cgroupstats.h> #include <linux/hash.h> #include <linux/namei.h> -#include <linux/smp_lock.h> #include <linux/pid_namespace.h> #include <linux/idr.h> #include <linux/vmalloc.h> /* TODO: replace with more sophisticated array */ @@ -138,7 +137,7 @@ struct css_id { * is called after synchronize_rcu(). But for safe use, css_is_removed() * css_tryget() should be used for avoiding race. */ - struct cgroup_subsys_state *css; + struct cgroup_subsys_state __rcu *css; /* * ID of this css. */ @@ -1102,7 +1101,7 @@ static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts) if (opts->release_agent) return -EINVAL; opts->release_agent = - kstrndup(token + 14, PATH_MAX, GFP_KERNEL); + kstrndup(token + 14, PATH_MAX - 1, GFP_KERNEL); if (!opts->release_agent) return -ENOMEM; } else if (!strncmp(token, "name=", 5)) { @@ -1123,7 +1122,7 @@ static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts) if (opts->name) return -EINVAL; opts->name = kstrndup(name, - MAX_CGROUP_ROOT_NAMELEN, + MAX_CGROUP_ROOT_NAMELEN - 1, GFP_KERNEL); if (!opts->name) return -ENOMEM; @@ -1222,7 +1221,6 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data) struct cgroup *cgrp = &root->top_cgroup; struct cgroup_sb_opts opts; - lock_kernel(); mutex_lock(&cgrp->dentry->d_inode->i_mutex); mutex_lock(&cgroup_mutex); @@ -1255,7 +1253,6 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data) kfree(opts.name); mutex_unlock(&cgroup_mutex); mutex_unlock(&cgrp->dentry->d_inode->i_mutex); - unlock_kernel(); return ret; } @@ -1568,7 +1565,6 @@ static int cgroup_get_sb(struct file_system_type *fs_type, out_err: kfree(opts.release_agent); kfree(opts.name); - return ret; } @@ -1791,19 +1787,20 @@ out: } /** - * cgroup_attach_task_current_cg - attach task 'tsk' to current task's cgroup + * cgroup_attach_task_all - attach task 'tsk' to all cgroups of task 'from' + * @from: attach to all cgroups of a given task * @tsk: the task to be attached */ -int cgroup_attach_task_current_cg(struct task_struct *tsk) +int cgroup_attach_task_all(struct task_struct *from, struct task_struct *tsk) { struct cgroupfs_root *root; - struct cgroup *cur_cg; int retval = 0; cgroup_lock(); for_each_active_root(root) { - cur_cg = task_cgroup_from_root(current, root); - retval = cgroup_attach_task(cur_cg, tsk); + struct cgroup *from_cg = task_cgroup_from_root(from, root); + + retval = cgroup_attach_task(from_cg, tsk); if (retval) break; } @@ -1811,7 +1808,7 @@ int cgroup_attach_task_current_cg(struct task_s |