[PATCH] uml: Fix flip_buf full handling

When the tty flip_buf is full, it's a good idea to delay the input processing
for a jiffy, rather than just scheduling the tasklet immediately.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 1bb920c0d77aee434a5a926c4ddb6dbc44521b18..36df55ad64c2e1e2fbcbbf5e7a9b5803f9b98478 100644 (file)
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -629,7 +629,7 @@ void chan_interrupt(struct list_head *chans, struct work_struct *task,
                do {
                        if((tty != NULL) &&
                           (tty->flip.count >= TTY_FLIPBUF_SIZE)){
-                               schedule_work(task);
+                               schedule_delayed_work(task, 1);
                                goto out;
                        }
                        err = chan->ops->read(chan->fd, &c, chan->data);