Received: by 10.213.65.68 with SMTP id h4csp866920imn; Wed, 14 Mar 2018 02:29:56 -0700 (PDT) X-Google-Smtp-Source: AG47ELsv7edPcQbbGn6qvZE41oigodB+8/6nGg2TBhqVy70Z9EzEAuJsFEwfs/jH/6Kr5KiA/wq1 X-Received: by 10.101.81.135 with SMTP id h7mr3180112pgq.121.1521019796392; Wed, 14 Mar 2018 02:29:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1521019796; cv=none; d=google.com; s=arc-20160816; b=Rs/FSuYau/kN8WThvwrzV+IB+nQk3/F0GTMnUBTP03CqL4jO+9Cry9kEpzqdXTnR64 84h6Tyjkxo302lYRRMkcWSmZJvFmcDTPlb1tf4a4baFfNKc/XPanezcBumzyobLI3iLn zPqHez2+l2GT4Hpp3QjSK/+VOfDt4t0j08FjhKBC/geYc8enATweYeStetK2fxqSO7rr c8UnGSkDyhzym3Fz3Y2NeCpk2u76n37e/Pa0vwytHXEYuIsrZcR5tYW3RsjApuQalbFq Xb6luMNb2+tuXKZYwB3514lqhr1yB3sFuquUXbgGkIdutZ+6APpnwM+8CnaUTkmrx/Hn imzQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:date:message-id:subject:cc:from:to :in-reply-to:arc-authentication-results; bh=NoAy2KqFHtBGtv2MXFaPYlwufBBVoeZfZwHuJ77a2/8=; b=07q87telVHimhh4oTmWszPA1ldPDkXBXzcEwUTyxRNriPBazqmyQaO+URJ7zDdF6As oHm73N45myHsHd9IaCpPKkK+T5fYTnyZmmxJkHbU4O6pIweOLkFZ4EVqSkV/MTvst8m2 dWwYtsmIB22bH+koP4EmCVLKBvc+6V4sHGxPJGmDInXvx/oFBwM+Nr84xVk26E6JI8F/ HQ0gtBjxKwNo85Qz3w3sIhpf3SRtBkw0fvdhxlkzGn6aoIKiu0rWYbakJBe2W9bTki9Z qcAsAQnkBatLJSP5bGkNnbAdc9T/npsj/6mF0BTQ3P8QxE7l9SPA+VAzwQauHx9tZf3L UP7g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r12-v6si1660201plo.359.2018.03.14.02.29.42; Wed, 14 Mar 2018 02:29:56 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752363AbeCNJ2g (ORCPT + 99 others); Wed, 14 Mar 2018 05:28:36 -0400 Received: from ozlabs.org ([103.22.144.67]:53655 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752254AbeCNJ2c (ORCPT ); Wed, 14 Mar 2018 05:28:32 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 401RH218Zgz9sVp; Wed, 14 Mar 2018 20:28:24 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 4f1f40f7b2b4487f582ecafec64076e430c72b22 In-Reply-To: <20180302194918.4358-1-malat@debian.org> To: Mathieu Malaterre From: Michael Ellerman Cc: Mathieu Malaterre , linux-kernel@vger.kernel.org, Andy Shevchenko , Paul Mackerras , linuxppc-dev@lists.ozlabs.org Subject: Re: [v2,01/21] powerpc: Remove warning on array size when empty Message-Id: <401RH218Zgz9sVp@ozlabs.org> Date: Wed, 14 Mar 2018 20:28:24 +1100 (AEDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2018-03-02 at 19:49:18 UTC, Mathieu Malaterre wrote: > When neither CONFIG_ALTIVEC, nor CONFIG_VSX or CONFIG_PPC64 is defined, the > array feature_properties is defined as an empty array, which in turn > triggers the following warning (treated as error on W=1): > > CC arch/powerpc/kernel/prom.o > arch/powerpc/kernel/prom.c: In function ‘check_cpu_feature_properties’: > arch/powerpc/kernel/prom.c:298:16: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits] > for (i = 0; i < ARRAY_SIZE(feature_properties); ++i, ++fp) { > ^ > cc1: all warnings being treated as errors > > Suggested-by: Michael Ellerman > Signed-off-by: Mathieu Malaterre Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/4f1f40f7b2b4487f582ecafec64076 cheers