Userspace drivers implemented with VFIO might want to bind sub-processes
to their devices. In a VFIO ioctl, they provide a pid that is used to find
a task and its mm. Since VFIO can be built as a module, export the
find_get_task_by_vpid symbol.
Cc: akpm@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@xxxxxxx>
---
Here I didn't add a comment because neighbouring functions that get
exported don't have a comment either, and the name seems fairly clear.
---
kernel/pid.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/pid.c b/kernel/pid.c
index 157fe4b19971..0b6d3201c42d 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -355,6 +355,7 @@ struct task_struct *find_get_task_by_vpid(pid_t nr)
return task;
}
+EXPORT_SYMBOL_GPL(find_get_task_by_vpid);
struct pid *get_task_pid(struct task_struct *task, enum pid_type type)
{
--
2.17.0
--
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