Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754126AbYCJG3G (ORCPT ); Mon, 10 Mar 2008 02:29:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751165AbYCJG2z (ORCPT ); Mon, 10 Mar 2008 02:28:55 -0400 Received: from fg-out-1718.google.com ([72.14.220.155]:38480 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750987AbYCJG2z (ORCPT ); Mon, 10 Mar 2008 02:28:55 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mime-version:content-type:content-disposition:user-agent; b=hGmvNoo10crX4PxWvo0rreCkCK7v+u+0tmfRpHT+Pjuey/W4fzwSDgRHS75jdIhjVHIqEHq5adoHtVtmslrphXRYaSArf2qavnr/dNXASNz75PxtEPHOxaBYRElnUlDsgQ7qqxlxK0u98aUVuAOY930jd7hCxSlqwxINWdQP0MI= Date: Mon, 10 Mar 2008 14:34:37 +0800 From: Dave Young To: linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, paulmck@linux.vnet.ibm.com Subject: [PATCH] [2/3] add WARN_ON_SECS macro Message-ID: <20080310063437.GB6745@darkstar.te-china.tietoenator.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1166 Lines: 39 Add WARN_ON_SECS macro for some serious case which need repeat the warnings, but with some ratelimit. Signed-off-by: Dave Young --- include/asm-generic/bug.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff -upr linux/include/asm-generic/bug.h linux.new/include/asm-generic/bug.h --- linux/include/asm-generic/bug.h 2008-03-10 13:27:03.000000000 +0800 +++ linux.new/include/asm-generic/bug.h 2008-03-10 13:27:14.000000000 +0800 @@ -3,6 +3,7 @@ #include + #ifdef CONFIG_BUG #ifdef CONFIG_GENERIC_BUG @@ -75,6 +76,13 @@ extern void warn_on_slowpath(const char unlikely(__ret_warn_once); \ }) +#define WARN_ON_SECS(condition, secs) ({ \ + int __ret_warn_on = !!(condition); \ + if (unlikely(__ret_warn_on)) \ + if (__ratelimit(secs * HZ, 1)) \ + WARN_ON(condition); \ +}) + #ifdef CONFIG_SMP # define WARN_ON_SMP(x) WARN_ON(x) #else -- 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/