perf, cgroups: Fix up for new API
Ben changed the cgroup API in commit f780bdb7c1c (cgroups: add
per-thread subsystem callbacks) in an incompatible way, but
forgot to convert the perf cgroup bits.
Avoid compile warnings and runtime splats and convert perf too ;-)
Acked-by: Ben Blum <bblum@andrew.cmu.edu>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1306767651.1200.2990.camel@twins
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/events/core.c b/kernel/events/core.c
index c09767f..8a15944 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7394,26 +7394,12 @@
return 0;
}
-static void perf_cgroup_move(struct task_struct *task)
+static void
+perf_cgroup_attach_task(struct cgroup *cgrp, struct task_struct *task)
{
task_function_call(task, __perf_cgroup_move, task);
}
-static void perf_cgroup_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
- struct cgroup *old_cgrp, struct task_struct *task,
- bool threadgroup)
-{
- perf_cgroup_move(task);
- if (threadgroup) {
- struct task_struct *c;
- rcu_read_lock();
- list_for_each_entry_rcu(c, &task->thread_group, thread_group) {
- perf_cgroup_move(c);
- }
- rcu_read_unlock();
- }
-}
-
static void perf_cgroup_exit(struct cgroup_subsys *ss, struct cgroup *cgrp,
struct cgroup *old_cgrp, struct task_struct *task)
{
@@ -7425,7 +7411,7 @@
if (!(task->flags & PF_EXITING))
return;
- perf_cgroup_move(task);
+ perf_cgroup_attach_task(cgrp, task);
}
struct cgroup_subsys perf_subsys = {
@@ -7434,6 +7420,6 @@
.create = perf_cgroup_create,
.destroy = perf_cgroup_destroy,
.exit = perf_cgroup_exit,
- .attach = perf_cgroup_attach,
+ .attach_task = perf_cgroup_attach_task,
};
#endif /* CONFIG_CGROUP_PERF */
