From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933689AbcI3PTF (ORCPT ); Fri, 30 Sep 2016 11:19:05 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:35148 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932237AbcI3PTC (ORCPT ); Fri, 30 Sep 2016 11:19:02 -0400 From: Sergey Senozhatsky To: Petr Mladek , Jan Kara Cc: Andrew Morton , Tejun Heo , Calvin Owens , Thomas Gleixner , Mel Gorman , Steven Rostedt , linux-kernel@vger.kernel.org, Sergey Senozhatsky , Sergey Senozhatsky Subject: [RFC][PATCHv2 1/7] printk: use vprintk_func in vprintk() Date: Sat, 1 Oct 2016 00:17:52 +0900 Message-Id: <20160930151758.8965-2-sergey.senozhatsky@gmail.com> X-Mailer: git-send-email 2.10.0.372.g6fe1b14 In-Reply-To: <20160930151758.8965-1-sergey.senozhatsky@gmail.com> References: <20160930151758.8965-1-sergey.senozhatsky@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org vprintk(), just like printk(), better be using per-cpu printk_func instead of direct vprintk_emit() call. Just in case if vprintk() will ever be called from NMI, or from any other context that can deadlock in printk(). Signed-off-by: Sergey Senozhatsky --- kernel/printk/printk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 8019cc0..c7ffbef 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1922,7 +1922,7 @@ EXPORT_SYMBOL(vprintk_emit); asmlinkage int vprintk(const char *fmt, va_list args) { - return vprintk_emit(0, LOGLEVEL_DEFAULT, NULL, 0, fmt, args); + return vprintk_func(fmt, args); } EXPORT_SYMBOL(vprintk); -- 2.10.0.372.g6fe1b14