Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933835Ab3JOUvo (ORCPT ); Tue, 15 Oct 2013 16:51:44 -0400 Received: from mail-wg0-f41.google.com ([74.125.82.41]:45772 "EHLO mail-wg0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932576Ab3JOUvB (ORCPT ); Tue, 15 Oct 2013 16:51:01 -0400 From: Frederic Weisbecker To: Andrew Morton Cc: LKML , Frederic Weisbecker , Steven Rostedt , Linus Torvalds , "H. Peter Anvin" , Peter Zijlstra , Thomas Gleixner , Liu Chuansheng , Ingo Molnar Subject: [PATCH 2/3] core: Convert printk_once to use DO_ONCE Date: Tue, 15 Oct 2013 22:50:51 +0200 Message-Id: <1381870252-5430-3-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1381870252-5430-1-git-send-email-fweisbec@gmail.com> References: <1381870252-5430-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1491 Lines: 49 Signed-off-by: Frederic Weisbecker Cc: Andrew Morton Cc: Steven Rostedt Cc: Linus Torvalds Cc: H. Peter Anvin Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Liu Chuansheng Cc: Ingo Molnar --- include/linux/printk.h | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/include/linux/printk.h b/include/linux/printk.h index e6131a78..3c5069b 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -5,6 +5,7 @@ #include #include #include +#include extern const char linux_banner[]; extern const char linux_proc_banner[]; @@ -252,14 +253,7 @@ extern asmlinkage void dump_stack(void) __cold; #ifdef CONFIG_PRINTK #define printk_once(fmt, ...) \ -({ \ - static bool __print_once; \ - \ - if (!__print_once) { \ - __print_once = true; \ - printk(fmt, ##__VA_ARGS__); \ - } \ -}) + DO_ONCE(printk(fmt, ##__VA_ARGS__)); #else #define printk_once(fmt, ...) \ no_printk(fmt, ##__VA_ARGS__) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/