From patchwork Fri Jun 5 23:41:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Rostedt X-Patchwork-Id: 213143 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4DD66C433E1 for ; Fri, 5 Jun 2020 23:42:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3415D207F9 for ; Fri, 5 Jun 2020 23:42:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728507AbgFEXmY (ORCPT ); Fri, 5 Jun 2020 19:42:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:57542 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728378AbgFEXmX (ORCPT ); Fri, 5 Jun 2020 19:42:23 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3DEB8207D8; Fri, 5 Jun 2020 23:42:23 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.93) (envelope-from ) id 1jhLyg-002sBt-9U; Fri, 05 Jun 2020 19:42:22 -0400 Message-ID: <20200605234222.155657946@goodmis.org> User-Agent: quilt/0.66 Date: Fri, 05 Jun 2020 19:41:52 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, linux-rt-users Cc: Thomas Gleixner , Carsten Emde , Sebastian Andrzej Siewior , John Kacur , Daniel Wagner , Tom Zanussi , "Srivatsa S. Bhat" Subject: [PATCH RT 3/8] Revert "rt: Improve the serial console PASS_LIMIT" References: <20200605234149.965509211@goodmis.org> MIME-Version: 1.0 Sender: linux-rt-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org 5.4.44-rt27-rc1 stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior 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 Signed-off-by: Steven Rostedt (VMware) --- 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 /*