From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755487AbeCWKIL (ORCPT ); Fri, 23 Mar 2018 06:08:11 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:11260 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755426AbeCWKII (ORCPT ); Fri, 23 Mar 2018 06:08:08 -0400 Subject: Re: [PATCH 04/19] powerpc/kvm: Mark variable tmp unused To: Mathieu Malaterre , Michael Ellerman Cc: linux-kernel@vger.kernel.org, kvm-ppc@vger.kernel.org, Paul Mackerras , linuxppc-dev@lists.ozlabs.org References: <20180322202007.23088-1-malat@debian.org> <20180322202007.23088-5-malat@debian.org> From: christophe leroy Message-ID: Date: Fri, 23 Mar 2018 11:08:00 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <20180322202007.23088-5-malat@debian.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: fr Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le 22/03/2018 à 21:19, Mathieu Malaterre a écrit : > Add gcc attribute unused to variable tmp. Fix warning treated as error with > W=1: > > arch/powerpc/kernel/kvm.c:675:6: error: variable ‘tmp’ set but not used [-Werror=unused-but-set-variable] > > Signed-off-by: Mathieu Malaterre > --- > arch/powerpc/kernel/kvm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c > index 9ad37f827a97..cd3c088283f9 100644 > --- a/arch/powerpc/kernel/kvm.c > +++ b/arch/powerpc/kernel/kvm.c > @@ -672,7 +672,7 @@ static void kvm_use_magic_page(void) > { > u32 *p; > u32 *start, *end; > - u32 tmp; > + u32 tmp __maybe_unused; > u32 features; > > /* Tell the host to map the magic page to -4096 on all CPUs */ > This fonction should use fault_in_pages_readable() instead of hardcoding the verification. Christophe --- L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel antivirus Avast. https://www.avast.com/antivirus