From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761849AbcJRPm0 (ORCPT ); Tue, 18 Oct 2016 11:42:26 -0400 Received: from mail-pf0-f194.google.com ([209.85.192.194]:36176 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935929AbcJRPmK (ORCPT ); Tue, 18 Oct 2016 11:42:10 -0400 From: Sergey Senozhatsky To: Petr Mladek , Andrew Morton Cc: Jan Kara , Tejun Heo , Calvin Owens , Thomas Gleixner , Mel Gorman , Steven Rostedt , Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org, Sergey Senozhatsky , Sergey Senozhatsky Subject: [RFC][PATCHv3 1/6] printk: use vprintk_func in vprintk() Date: Wed, 19 Oct 2016 00:40:40 +0900 Message-Id: <20161018154045.7364-2-sergey.senozhatsky@gmail.com> X-Mailer: git-send-email 2.10.1.382.ga23ca1b In-Reply-To: <20161018154045.7364-1-sergey.senozhatsky@gmail.com> References: <20161018154045.7364-1-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 d5e3973..be7f60b 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1917,7 +1917,7 @@ 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); -- 2.10.1.382.ga23ca1b