From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C24C92F26; Sun, 6 Aug 2023 23:29:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691364548; x=1722900548; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=eHkufttTSl2MTqEJ6iLIVNNh4k0GpWuV1Aoki2wD28E=; b=SF5LoAlJ2TAR2O+bMvJB6AHV9QsFNMB4qg9lYEmV6DXO1aHCJijYfkMa F/fRQFyBrahmz+qeZumoqVrPamdYhjWK2ebvAPMQqlYz9exCKvpDU+TAc zUiNjWZvC7mAqrA3/8H+PvkPbhpqWqdim679XvoaDSPAIPXp5S4EQQZX2 +jMVKJztjvwSRQcyMNQoflu8u0NXFXk9hs1qTnU3Ry6sptZAMcAgenICL t/e0uRtJBvJEeIVX4T8p3Zzxk1p0sJ1eQx0f6wGxNR5Q0LAGf4hCHfA5t pkxI4jzG9IWHkhROGQcfQ8uQyFRrhE8cUWaQamNiT9HeIW1+rur9S96nl A==; X-IronPort-AV: E=McAfee;i="6600,9927,10794"; a="360492165" X-IronPort-AV: E=Sophos;i="6.01,261,1684825200"; d="scan'208";a="360492165" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2023 16:29:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10794"; a="765782362" X-IronPort-AV: E=Sophos;i="6.01,261,1684825200"; d="scan'208";a="765782362" Received: from lkp-server01.sh.intel.com (HELO d1ccc7e87e8f) ([10.239.97.150]) by orsmga001.jf.intel.com with ESMTP; 06 Aug 2023 16:29:05 -0700 Received: from kbuild by d1ccc7e87e8f with local (Exim 4.96) (envelope-from ) id 1qSnBI-0004Pl-1c; Sun, 06 Aug 2023 23:29:04 +0000 Date: Mon, 7 Aug 2023 07:28:52 +0800 From: kernel test robot To: GUO Zihua , anitha.chrisanthus@intel.com, edmund.j.dea@intel.com, airlied@gmail.com, daniel@ffwll.ch Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, dri-devel@lists.freedesktop.org Subject: Re: [PATCH -next] drm/kmb: Make layer_irqs static Message-ID: <202308070721.KScQCyXP-lkp@intel.com> References: <20230804085033.32410-1-guozihua@huawei.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230804085033.32410-1-guozihua@huawei.com> Hi GUO, kernel test robot noticed the following build warnings: [auto build test WARNING on next-20230804] url: https://github.com/intel-lab-lkp/linux/commits/GUO-Zihua/drm-kmb-Make-layer_irqs-static/20230807-054559 base: next-20230804 patch link: https://lore.kernel.org/r/20230804085033.32410-1-guozihua%40huawei.com patch subject: [PATCH -next] drm/kmb: Make layer_irqs static config: hexagon-randconfig-r001-20230807 (https://download.01.org/0day-ci/archive/20230807/202308070721.KScQCyXP-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230807/202308070721.KScQCyXP-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202308070721.KScQCyXP-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/kmb/kmb_plane.c:6: In file included from include/drm/drm_atomic.h:31: In file included from include/drm/drm_crtc.h:32: In file included from include/drm/drm_modes.h:33: In file included from include/drm/drm_connector.h:32: In file included from include/drm/drm_util.h:35: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/gpu/drm/kmb/kmb_plane.c:6: In file included from include/drm/drm_atomic.h:31: In file included from include/drm/drm_crtc.h:32: In file included from include/drm/drm_modes.h:33: In file included from include/drm/drm_connector.h:32: In file included from include/drm/drm_util.h:35: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/gpu/drm/kmb/kmb_plane.c:6: In file included from include/drm/drm_atomic.h:31: In file included from include/drm/drm_crtc.h:32: In file included from include/drm/drm_modes.h:33: In file included from include/drm/drm_connector.h:32: In file included from include/drm/drm_util.h:35: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:337: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ >> drivers/gpu/drm/kmb/kmb_plane.c:20:18: warning: unused variable 'layer_irqs' [-Wunused-const-variable] 20 | static const u32 layer_irqs[] = { | ^ 7 warnings generated. vim +/layer_irqs +20 drivers/gpu/drm/kmb/kmb_plane.c 19 > 20 static const u32 layer_irqs[] = { 21 LCD_INT_VL0, 22 LCD_INT_VL1, 23 LCD_INT_GL0, 24 LCD_INT_GL1 25 }; 26 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki