From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751774AbeFCM2L (ORCPT ); Sun, 3 Jun 2018 08:28:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:54622 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751718AbeFCM2H (ORCPT ); Sun, 3 Jun 2018 08:28:07 -0400 From: Greg Kroah-Hartman To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Arnaldo Carvalho de Melo , Adrian Hunter , David Ahern , Jiri Olsa , Namhyung Kim , Wang Nan , Greg Kroah-Hartman Subject: [PATCH 15/29] tools include: Introduce linux/bug.h, from the kernel sources Date: Sun, 3 Jun 2018 14:26:38 +0200 Message-Id: <20180603122652.17453-16-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180603122652.17453-1-gregkh@linuxfoundation.org> References: <20180603122652.17453-1-gregkh@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo commit 379d61b1c7d42512cded04d372f15a7e725db9e1 upstream. With just what we will need in the upcoming changesets, the BUILD_BUG_ON_ZERO() definition. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-lw8zg7x6ttwcvqhp90mwe3vo@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Greg Kroah-Hartman --- tools/include/linux/bug.h | 10 ++++++++++ tools/perf/MANIFEST | 1 + 2 files changed, 11 insertions(+) create mode 100644 tools/include/linux/bug.h diff --git a/tools/include/linux/bug.h b/tools/include/linux/bug.h new file mode 100644 index 000000000000..8e4a4f49135d --- /dev/null +++ b/tools/include/linux/bug.h @@ -0,0 +1,10 @@ +#ifndef _TOOLS_PERF_LINUX_BUG_H +#define _TOOLS_PERF_LINUX_BUG_H + +/* Force a compilation error if condition is true, but also produce a + result (of value 0 and type size_t), so the expression can be used + e.g. in a structure initializer (or where-ever else comma expressions + aren't permitted). */ +#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) + +#endif /* _TOOLS_PERF_LINUX_BUG_H */ diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 776f6b23ea2e..a4f98e131819 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -63,6 +63,7 @@ tools/include/linux/bitops.h tools/include/linux/compiler.h tools/include/linux/compiler-gcc.h tools/include/linux/coresight-pmu.h +tools/include/linux/bug.h tools/include/linux/filter.h tools/include/linux/hash.h tools/include/linux/kernel.h -- 2.17.1