From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B026C433F4 for ; Fri, 31 Aug 2018 21:24:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1C03D20652 for ; Fri, 31 Aug 2018 21:24:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rGdjGimO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1C03D20652 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727326AbeIABdk (ORCPT ); Fri, 31 Aug 2018 21:33:40 -0400 Received: from mail-lj1-f193.google.com ([209.85.208.193]:40592 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726987AbeIABdk (ORCPT ); Fri, 31 Aug 2018 21:33:40 -0400 Received: by mail-lj1-f193.google.com with SMTP id j19-v6so11139262ljc.7; Fri, 31 Aug 2018 14:24:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=XHp5kZcFvaIa+QEHAd7ZE10oFqyt5prSd/2ihgZaGzs=; b=rGdjGimOTf8u3WlWxz3ipWuPLKgD+vDDTgOqPJXFe3n7JokImUpjUSyNjkPvfQsVDE CMHSvLsZ3JBf8SdEB1u4cM1/Ha4kWrgI4hakZ9u+uSN672JTtE8CEJtPquSFXG3YJM0c 3FkLedKaReVm+0dddTmJAzvyVMJPa21hM9WJQYsnwKoAt28n6l56yIrwx6B+hOm9+9Rj mLxUF0D9pj5Mc+azpUkmp6Cg6pu9Z8pOewBVn5i/oRVM24o/6B/S7VoCiDcRlpuLuxN3 zeZQKOGa8FzlBxv5CWXFdi4ssudgVFmsVFWzRNEUwnDmSjHVR1yqawofMcSwJeEih867 Q5ng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=XHp5kZcFvaIa+QEHAd7ZE10oFqyt5prSd/2ihgZaGzs=; b=axuuHLPo9ZpNImm7TuzyM6IMGHdxmUc4E6xz5W/YauHQMURktkBz6b6br/6T8zppv8 Rb+eLtJuHtPbtl5PgqNCysdWLYef+O5MPOgyOphH6eik2V3hIg+E7JMrEtoIB5r24kxq 1OoC/fcHQAZJLCx+YkTfpDzLI3ozRiGgK0xcvO65L2MMbxjiVEfpIBpZd5q3kFkw8Bg/ Ci813X+SvgMvSKHH14hp1dpYE/OpxhHa6soro5/J40meQiR0DxoNeTyP5RmQ9zoC6Mgl py1FhRYnK4rRg8VoL7lJ04dagb2V3214gtZcRszJ8xtHLqcnDVarI6ZUlJbhcdpr5yhP nvKQ== X-Gm-Message-State: APzg51Bo6mhpVCYv9xuaOTzXTsfWoCtHoUkaYEQxUApe5iYZ76uhJejG ZLApblomFXHnjDNankJBmRk= X-Google-Smtp-Source: ANB0VdZNubS/WLckYJEuQgj+e9KiEFubOpCed8vRea2Myb0hH9Mqo8Cw10x34ozZo2D1llM02hq4Ww== X-Received: by 2002:a2e:8807:: with SMTP id x7-v6mr2744614ljh.98.1535750659366; Fri, 31 Aug 2018 14:24:19 -0700 (PDT) Received: from Mort.jumbo.freeair (91-159-62-202.elisa-laajakaista.fi. [91.159.62.202]) by smtp.gmail.com with ESMTPSA id t4-v6sm2037130lfd.13.2018.08.31.14.24.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 31 Aug 2018 14:24:18 -0700 (PDT) From: Igor Stoppa X-Google-Original-From: Igor Stoppa To: Dmitry Safonov Cc: igor.stoppa@gmail.com, Igor Stoppa , Shuah Khan , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] selftest: vm: add unlikely() to BUG_ON() Date: Sat, 1 Sep 2018 00:24:08 +0300 Message-Id: <20180831212408.20071-1-igor.stoppa@huawei.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org BUG_ON() is unlikely() to BUG() For unlikely(), borrow the definition from tools/include/linux/compiler.h Signed-off-by: Igor Stoppa Cc: Dmitry Safonov Cc: Shuah Khan Cc: linux-kselftest@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- tools/testing/selftests/vm/map_populate.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/vm/map_populate.c b/tools/testing/selftests/vm/map_populate.c index 6b8aeaa0bf7a..1bf8ff068dcd 100644 --- a/tools/testing/selftests/vm/map_populate.c +++ b/tools/testing/selftests/vm/map_populate.c @@ -21,9 +21,13 @@ #define MMAP_SZ 4096 #endif +#ifndef unlikely +# define unlikely(x) __builtin_expect(!!(x), 0) +#endif + #define BUG_ON(condition, description) \ do { \ - if (condition) { \ + if (unlikely(condition)) { \ fprintf(stderr, "[FAIL]\t%s:%d\t%s:%s\n", __func__, \ __LINE__, (description), strerror(errno)); \ exit(1); \ -- 2.17.1