[RFC -v7 PATCH 5/7] export pid symbols needed for kvm_vcpu_on_spin

Rik van Riel
2011-01-26T22:25:31Z

Export the symbols required for a race-free kvm_vcpu_on_spin.

Signed-off-by: Rik van Riel <riel@redhat.com>

diff --git a/kernel/fork.c b/kernel/fork.c
index 3b159c5..adc8f47 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -191,6 +191,7 @@ void __put_task_struct(struct task_struct *tsk)
if (!profile_handoff_task(tsk))
free_task(tsk);
}
+EXPORT_SYMBOL_GPL(__put_task_struct);

/*
* macro override instead of weak attribute alias, to workaround
diff --git a/kernel/pid.c b/kernel/pid.c
index 39b65b6..02f2212 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -435,6 +435,7 @@ struct pid *get_task_pid(struct task_struct *task, enum pid_type type)
rcu_read_unlock();
return pid;
}
+EXPORT_SYMBOL_GPL(get_task_pid);

struct task_struct *get_pid_task(struct pid *pid, enum pid_type type)
{
@@ -446,6 +447,7 @@ struct task_struct *get_pid_task(struct pid *pid, enum pid_type type)
rcu_read_unlock();
return result;
}
+EXPORT_SYMBOL_GPL(get_pid_task);

struct pid *find_get_pid(pid_t nr)
{