From 9bc676e2756ffbd91e9fccab878216fc98ab7c49 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 14 Dec 2011 13:05:54 +0100 Subject: [PATCH 189/365] rt: Improve the serial console PASS_LIMIT MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Beyond the warning: drivers/tty/serial/8250/8250.c:1613:6: warning: unused variable ‘pass_counter’ [-Wunused-variable] the solution of just looping infinitely was ugly - up it to 1 million to give it a chance to continue in some really ugly situation. Change-Id: Ia245a834bf5993217a28e8b772bbb9effd4952ee Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- drivers/tty/serial/8250/8250_core.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index e68f0b78c31d..7b9851ca8933 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -66,7 +66,11 @@ static unsigned int skip_txen_test; /* force skip of txen test at init time */ * Even in non-rt environment (under hypervisor) this constant might be * too small */ -#define PASS_LIMIT 1000000 +#ifdef CONFIG_PREEMPT_RT_FULL +# define PASS_LIMIT 1000000 +#else +# define PASS_LIMIT 512 +#endif #include /* -- 2.28.0