Merge branch 'master' into next

Conflicts:
	security/keys/internal.h
	security/keys/process_keys.c
	security/keys/request_key.c

Fixed conflicts above by using the non 'tsk' versions.

Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
James Morris
2008-11-14 11:29:12 +11:00
538 changed files with 20119 additions and 5830 deletions

View File

@ -970,6 +970,51 @@ undo:
return ret;
}
#ifdef CONFIG_SMP
struct work_for_cpu {
struct work_struct work;
long (*fn)(void *);
void *arg;
long ret;
};
static void do_work_for_cpu(struct work_struct *w)
{
struct work_for_cpu *wfc = container_of(w, struct work_for_cpu, work);
wfc->ret = wfc->fn(wfc->arg);
}
/**
* work_on_cpu - run a function in user context on a particular cpu
* @cpu: the cpu to run on
* @fn: the function to run
* @arg: the function arg
*
* This will return -EINVAL in the cpu is not online, or the return value
* of @fn otherwise.
*/
long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg)
{
struct work_for_cpu wfc;
INIT_WORK(&wfc.work, do_work_for_cpu);
wfc.fn = fn;
wfc.arg = arg;
get_online_cpus();
if (unlikely(!cpu_online(cpu)))
wfc.ret = -EINVAL;
else {
schedule_work_on(cpu, &wfc.work);
flush_work(&wfc.work);
}
put_online_cpus();
return wfc.ret;
}
EXPORT_SYMBOL_GPL(work_on_cpu);
#endif /* CONFIG_SMP */
void __init init_workqueues(void)
{
cpu_populated_map = cpu_online_map;