Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758021AbcK3OlI (ORCPT ); Wed, 30 Nov 2016 09:41:08 -0500 Received: from host.buserror.net ([209.198.135.123]:40315 "EHLO host.buserror.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757976AbcK3OlC (ORCPT ); Wed, 30 Nov 2016 09:41:02 -0500 Message-ID: <1480516844.21746.66.camel@buserror.net> From: Scott Wood To: yanjiang.jin@windriver.com, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, jinyanjiang@gmail.com Date: Wed, 30 Nov 2016 08:40:44 -0600 In-Reply-To: <1479704219-21403-1-git-send-email-yanjiang.jin@windriver.com> References: <1479704219-21403-1-git-send-email-yanjiang.jin@windriver.com> Organization: NXP Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.18.5.2-0ubuntu3 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 50.171.225.118 X-SA-Exim-Mail-From: oss@buserror.net X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * -15 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Subject: Re: [PATCH] powerpc: cputime: fix a compile warning X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:57:07 +0000) X-SA-Exim-Scanned: Yes (on host.buserror.net) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1039 Lines: 31 On Mon, 2016-11-21 at 12:56 +0800, yanjiang.jin@windriver.com wrote: > From: Yanjiang Jin > > This patch is to avoid the below warning: > > kernel/sched/cpuacct.c:298:25: warning: > format '%lld' expects argument of type 'long long int', > but argument 4 has type 'long unsigned int' [-Wformat=] > > Signed-off-by: Yanjiang Jin > --- >  arch/powerpc/include/asm/cputime.h | 3 ++- >  1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/powerpc/include/asm/cputime.h > b/arch/powerpc/include/asm/cputime.h > index 4f60db0..4423e97 100644 > --- a/arch/powerpc/include/asm/cputime.h > +++ b/arch/powerpc/include/asm/cputime.h > @@ -228,7 +228,8 @@ static inline cputime_t clock_t_to_cputime(const > unsigned long clk) >   return (__force cputime_t) ct; >  } >   > -#define cputime64_to_clock_t(ct) cputime_to_clock_t((cputime_t)(ct)) > +#define cputime64_to_clock_t(ct) \ > + (__force u64)(cputime_to_clock_t((cputime_t)(ct))) Why is __force needed? -Scott