[uml-devel] [PATCH 11/12] UML - Fix flip_buf full handling

[uml-devel] [PATCH 11/12] UML - Fix flip_buf full handling

[Jeff Dike]

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>

Index: linux-2.6.15/arch/um/drivers/chan_kern.c
===================================================================
--- linux-2.6.15.orig/arch/um/drivers/chan_kern.c	2005-12-25 22:35:58.000000000 -0500
+++ linux-2.6.15/arch/um/drivers/chan_kern.c	2005-12-25 22:42:14.000000000 -0500
@@ -629,7 +629,7 @@ void chan_interrupt(struct list_head *ch
 		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);



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