From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org,
linux-rt-users <linux-rt-users@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Carsten Emde <C.Emde@osadl.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
John Kacur <jkacur@redhat.com>, Daniel Wagner <wagi@monom.org>,
Tom Zanussi <zanussi@kernel.org>,
"Srivatsa S. Bhat" <srivatsa@csail.mit.edu>
Subject: [PATCH RT 3/8] Revert "rt: Improve the serial console PASS_LIMIT"
Date: Fri, 05 Jun 2020 19:41:52 -0400 [thread overview]
Message-ID: <20200605234222.155657946@goodmis.org> (raw)
In-Reply-To: 20200605234149.965509211@goodmis.org
5.4.44-rt27-rc1 stable review patch.
If anyone has any objections, please let me know.
------------------
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
There is no need to loop for longer. The message of too much work was
removed in commit
9d7c249a1ef9b ("serial: 8250: drop the printk from serial8250_interrupt()")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
drivers/tty/serial/8250/8250_core.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 809a65f68028..02bfafa8a672 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -55,16 +55,7 @@ static struct uart_driver serial8250_reg;
static unsigned int skip_txen_test; /* force skip of txen test at init time */
-/*
- * On -rt we can have a more delays, and legitimately
- * so - so don't drop work spuriously and spam the
- * syslog:
- */
-#ifdef CONFIG_PREEMPT_RT
-# define PASS_LIMIT 1000000
-#else
-# define PASS_LIMIT 512
-#endif
+#define PASS_LIMIT 512
#include <asm/serial.h>
/*
--
2.26.2
next prev parent reply other threads:[~2020-06-05 23:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-05 23:41 [PATCH RT 0/8] Linux 5.4.44-rt27-rc1 Steven Rostedt
2020-06-05 23:41 ` [PATCH RT 1/8] printk: console must not schedule for drivers Steven Rostedt
2020-06-05 23:41 ` [PATCH RT 2/8] fs/dcache: Include swait.h header Steven Rostedt
2020-06-05 23:41 ` Steven Rostedt [this message]
2020-06-05 23:41 ` [PATCH RT 4/8] mm: Dont warn about atomic memory allocations during suspend Steven Rostedt
2020-06-05 23:41 ` [PATCH RT 5/8] mm: slub: Always flush the delayed empty slubs in flush_all() Steven Rostedt
2020-06-05 23:41 ` [PATCH RT 7/8] mm/zswap: Use local lock to protect per-CPU data Steven Rostedt
2020-06-05 23:41 ` [PATCH RT 8/8] Linux 5.4.44-rt27-rc1 Steven Rostedt
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