Le 22/12/2017 à 13:36, Philippe Bergheaud a écrit :
+#ifdef CONFIG_PPC64 /* for thread.tidr */
+int pnv_pci_get_as_notify_info(struct task_struct *task, u32 *lpid, u32 *pid,
+ u32 *tid)
+{
+ struct mm_struct *mm = NULL;
+
+ if (task == NULL)
+ return -EINVAL;
+
+ mm = get_task_mm(task);
+ if (mm == NULL)
+ return -EINVAL;
+ /*
+ * Caller is keeping a reference on mm_users for as long
+ * as XSL uses the memory context
+ */
That comment needs to be tweaked for pci mode. There's no XSL in play.
Fred
+ *pid = mm->context.id;
+ mmput(mm);
