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-rw-r--r--drivers/char/hvc_console.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 5a8a4c28c86..f2685b747fb 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -876,8 +876,11 @@ static int hvc_init(void)
goto stop_thread;
}
- /* FIXME: This mb() seems completely random. Remove it. */
- mb();
+ /*
+ * Make sure tty is fully registered before allowing it to be
+ * found by hvc_console_device.
+ */
+ smp_mb();
hvc_driver = drv;
return 0;