From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751934Ab0CAT6F (ORCPT ); Mon, 1 Mar 2010 14:58:05 -0500 Received: from hera.kernel.org ([140.211.167.34]:40057 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751762Ab0CAT6D (ORCPT ); Mon, 1 Mar 2010 14:58:03 -0500 Date: Mon, 1 Mar 2010 19:57:36 GMT From: tip-bot for Luca Barbieri Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, luca@luca-barbieri.com, tglx@linutronix.de Reply-To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, luca@luca-barbieri.com, tglx@linutronix.de In-Reply-To: <1267183361-20775-1-git-send-email-luca@luca-barbieri.com> References: <1267183361-20775-1-git-send-email-luca@luca-barbieri.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/atomic] lib: Only test atomic64_dec_if_positive on archs having it Message-ID: Git-Commit-ID: 8f4f202b335144bf5be5c9e5b1bc9477ecdae958 X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Mon, 01 Mar 2010 19:57:38 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 8f4f202b335144bf5be5c9e5b1bc9477ecdae958 Gitweb: http://git.kernel.org/tip/8f4f202b335144bf5be5c9e5b1bc9477ecdae958 Author: Luca Barbieri AuthorDate: Fri, 26 Feb 2010 12:22:40 +0100 Committer: H. Peter Anvin CommitDate: Mon, 1 Mar 2010 11:37:55 -0800 lib: Only test atomic64_dec_if_positive on archs having it Currently atomic64_dec_if_positive() is only supported by PowerPC, MIPS and x86-32. Signed-off-by: Luca Barbieri LKML-Reference: <1267183361-20775-1-git-send-email-luca@luca-barbieri.com> Signed-off-by: H. Peter Anvin --- lib/atomic64_test.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c index 4ff649e..0effcac 100644 --- a/lib/atomic64_test.c +++ b/lib/atomic64_test.c @@ -112,6 +112,7 @@ static __init int test_atomic64(void) r += one; BUG_ON(v.counter != r); +#if defined(CONFIG_X86_32) || defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(_ASM_GENERIC_ATOMIC64_H) INIT(onestwos); BUG_ON(atomic64_dec_if_positive(&v) != (onestwos - 1)); r -= one; @@ -124,6 +125,9 @@ static __init int test_atomic64(void) INIT(-one); BUG_ON(atomic64_dec_if_positive(&v) != (-one - one)); BUG_ON(v.counter != r); +#else +#warning Please implement atomic64_dec_if_positive for your architecture, and add it to the IF above +#endif INIT(onestwos); BUG_ON(atomic64_inc_not_zero(&v));