From: Greg Kroah-Hartman Date: Thu, 17 Apr 2014 16:33:19 +0000 (-0700) Subject: Revert "serial: 8250, disable "too much work" messages" X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=12de375ec493ab1767d4a07dde823e63ae5edc21;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git Revert "serial: 8250, disable "too much work" messages" 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 Cc: Martin Pluskal Cc: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 139ab1997e06..81f909c2101f 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -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; }