Revert "serial: 8250, disable "too much work" messages"
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 17 Apr 2014 16:33:19 +0000 (09:33 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 17 Apr 2014 16:33:19 +0000 (09:33 -0700)
This reverts commit f4f653e9875e573860e783fecbebde284a8626f5.

Jiri writes:
No, please drop this one. We need a better solution as it turned
out that some boxes need 16k loops and it will increase with new
processors :(.

Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Martin Pluskal <mpluskal@suse.com>
Cc: Takashi Iwai <tiwai@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_core.c

index 139ab1997e062f9c6cfe96715671f02c1130c0e5..81f909c2101f6145f568fd048b60453533cf943d 100644 (file)
@@ -1601,7 +1601,8 @@ static irqreturn_t serial8250_interrupt(int irq, void *dev_id)
                l = l->next;
 
                if (l == i->head && pass_counter++ > PASS_LIMIT) {
-                       pr_debug_ratelimited(
+                       /* If we hit this, we're dead. */
+                       printk_ratelimited(KERN_ERR
                                "serial8250: too much work for irq%d\n", irq);
                        break;
                }