29 lines
687 B
Diff
29 lines
687 B
Diff
From: Ingo Molnar <mingo@elte.hu>
|
|
Date: Fri, 3 Jul 2009 08:30:01 -0500
|
|
Subject: serial: 8250: Call flush_to_ldisc when the irq is threaded
|
|
|
|
Signed-off-by: Ingo Molnar <mingo@elte.hu>
|
|
|
|
---
|
|
drivers/tty/tty_buffer.c | 5 +++++
|
|
1 file changed, 5 insertions(+)
|
|
|
|
--- a/drivers/tty/tty_buffer.c
|
|
+++ b/drivers/tty/tty_buffer.c
|
|
@@ -566,10 +566,15 @@ void tty_flip_buffer_push(struct tty_str
|
|
buf->tail->commit = buf->tail->used;
|
|
spin_unlock_irqrestore(&buf->lock, flags);
|
|
|
|
+#ifndef CONFIG_PREEMPT_RT_FULL
|
|
if (tty->low_latency)
|
|
flush_to_ldisc(&buf->work);
|
|
else
|
|
schedule_work(&buf->work);
|
|
+#else
|
|
+ flush_to_ldisc(&buf->work);
|
|
+#endif
|
|
+
|
|
}
|
|
EXPORT_SYMBOL(tty_flip_buffer_push);
|
|
|