From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932130Ab0LBVI1 (ORCPT ); Thu, 2 Dec 2010 16:08:27 -0500 Received: from kroah.org ([198.145.64.141]:54230 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758029Ab0LBVIZ (ORCPT ); Thu, 2 Dec 2010 16:08:25 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Peter Zijlstra , Greg Kroah-Hartman Subject: [PATCH 1/6] serial8250: Mark console as CON_ANYTIME Date: Thu, 2 Dec 2010 13:08:18 -0800 Message-Id: <1291324103-7054-1-git-send-email-gregkh@suse.de> X-Mailer: git-send-email 1.7.1 In-Reply-To: <20101202204827.GB5927@kroah.com> References: <20101202204827.GB5927@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Zijlstra While trying to debug a cpu-hotplug issue I noticed printk() stopped working once the cpu got marked offline, since the 8250 serial console doesn't have any per-cpu resources the CON_ANYTIME bit is the safe and documented way to make it work again. Signed-off-by: Peter Zijlstra Signed-off-by: Greg Kroah-Hartman --- drivers/serial/8250.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 4d8e14b..09a5508 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2872,7 +2872,7 @@ static struct console serial8250_console = { .device = uart_console_device, .setup = serial8250_console_setup, .early_setup = serial8250_console_early_setup, - .flags = CON_PRINTBUFFER, + .flags = CON_PRINTBUFFER | CON_ANYTIME, .index = -1, .data = &serial8250_reg, }; -- 1.7.1