kernel/drivers/tty/serial/8250/8250_core.c
.. .. @@ -54,7 +54,16 @@ 54 54 55 55 static unsigned int skip_txen_test; /* force skip of txen test at init time */ 56 56 57 -#define PASS_LIMIT 51257 +/*58 + * On -rt we can have a more delays, and legitimately59 + * so - so don't drop work spuriously and spam the60 + * syslog:61 + */62 +#ifdef CONFIG_PREEMPT_RT_FULL63 +# define PASS_LIMIT 100000064 +#else65 +# define PASS_LIMIT 51266 +#endif58 67 59 68 #include <asm/serial.h> 60 69 /*