From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C8D2C433F5 for ; Sun, 24 Apr 2022 20:15:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239542AbiDXUSY (ORCPT ); Sun, 24 Apr 2022 16:18:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229995AbiDXUSW (ORCPT ); Sun, 24 Apr 2022 16:18:22 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6DA671B7BB; Sun, 24 Apr 2022 13:15:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650831320; x=1682367320; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=8t6fpLenBHAH+wdi7yNt1q9I4nBEIopCZfP0qWGHTqQ=; b=HysqCqagGTCyHWVf13a1GDUrx4Ty9FP5IcV1WB4mN4ZkRBwDidUz/GQu z4okSL5sBomZH053lBkCNJ5x48lOqBsshg9uUjusalLwF9ytwPF0krdn3 MfM2nDg8BSIP4id+gkqsDGbmBY+QZdjiZ1krY4dmRAA8xEX46UwEUPpbh n9bd9wUKMS1PWUMsPnNvJf8tzbfHTKQZnasXwR/QF74q64HzRF9Qayero WVzJ81M+8fvOCWPH0JiWm3LZznbwTLKr2ocTDK+sH1mD7/kInRzjnHejp wpg2vOkIcdDemhfGEuRjg9oPMmuhtc1kv3fSrbma+XPCZ3/lmjFP6/8BQ g==; X-IronPort-AV: E=McAfee;i="6400,9594,10327"; a="245009582" X-IronPort-AV: E=Sophos;i="5.90,287,1643702400"; d="scan'208";a="245009582" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Apr 2022 13:15:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,287,1643702400"; d="scan'208";a="659856336" Received: from lkp-server01.sh.intel.com (HELO 5056e131ad90) ([10.239.97.150]) by fmsmga002.fm.intel.com with ESMTP; 24 Apr 2022 13:15:16 -0700 Received: from kbuild by 5056e131ad90 with local (Exim 4.95) (envelope-from ) id 1niidX-0001kZ-Nr; Sun, 24 Apr 2022 20:15:15 +0000 Date: Mon, 25 Apr 2022 04:14:47 +0800 From: kernel test robot To: Mike Rapoport , linux-kernel@vger.kernel.org Cc: kbuild-all@lists.01.org, Andrew Morton , Linux Memory Management List , Catalin Marinas , Greg Kroah-Hartman , Guillaume Tucker , Mark Brown , Mark-PK Tsai , Mike Rapoport , Russell King , Tony Lindgren , Will Deacon , bot@kernelci.org, kernelci-results@groups.io, linux-arm-kernel@lists.infradead.org, stable@vger.kernel.org Subject: Re: [PATCH] arm[64]/memremap: don't abuse pfn_valid() to ensure presence of linear map Message-ID: <202204250425.OjOiS0ZK-lkp@intel.com> References: <20220424172044.22220-1-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220424172044.22220-1-rppt@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mike, I love your patch! Yet something to improve: [auto build test ERROR on b2d229d4ddb17db541098b83524d901257e93845] url: https://github.com/intel-lab-lkp/linux/commits/Mike-Rapoport/arm-64-memremap-don-t-abuse-pfn_valid-to-ensure-presence-of-linear-map/20220425-012242 base: b2d229d4ddb17db541098b83524d901257e93845 config: arm-randconfig-c002-20220424 (https://download.01.org/0day-ci/archive/20220425/202204250425.OjOiS0ZK-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/635763878be30ab45f350cdcffba3d8e71089942 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mike-Rapoport/arm-64-memremap-don-t-abuse-pfn_valid-to-ensure-presence-of-linear-map/20220425-012242 git checkout 635763878be30ab45f350cdcffba3d8e71089942 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: kernel/iomem.o: in function `try_ram_remap': >> kernel/iomem.c:37: undefined reference to `arch_memremap_can_ram_remap' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_i2c_remove': drivers/gpu/drm/bridge/ite-it6505.c:3317: undefined reference to `drm_dp_aux_unregister' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_get_dpcd': drivers/gpu/drm/bridge/ite-it6505.c:602: undefined reference to `drm_dp_dpcd_read' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_bridge_attach': drivers/gpu/drm/bridge/ite-it6505.c:2858: undefined reference to `drm_dp_aux_register' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `drm_dp_dpcd_writeb': include/drm/dp/drm_dp_helper.h:2088: undefined reference to `drm_dp_dpcd_write' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `drm_dp_dpcd_readb': include/drm/dp/drm_dp_helper.h:2073: undefined reference to `drm_dp_dpcd_read' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_hdcp_work': drivers/gpu/drm/bridge/ite-it6505.c:2084: undefined reference to `drm_dp_dpcd_read_link_status' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:2088: undefined reference to `drm_dp_channel_eq_ok' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_step_cr_train': drivers/gpu/drm/bridge/ite-it6505.c:1688: undefined reference to `drm_dp_link_train_clock_recovery_delay' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:1689: undefined reference to `drm_dp_dpcd_read_link_status' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:1691: undefined reference to `drm_dp_clock_recovery_ok' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:1704: undefined reference to `drm_dp_get_adjust_request_voltage' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:1708: undefined reference to `drm_dp_get_adjust_request_pre_emphasis' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_step_eq_train': drivers/gpu/drm/bridge/ite-it6505.c:1760: undefined reference to `drm_dp_link_train_channel_eq_delay' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:1761: undefined reference to `drm_dp_dpcd_read_link_status' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:1763: undefined reference to `drm_dp_clock_recovery_ok' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:1766: undefined reference to `drm_dp_channel_eq_ok' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:1777: undefined reference to `drm_dp_get_adjust_request_voltage' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:1781: undefined reference to `drm_dp_get_adjust_request_pre_emphasis' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_drm_dp_link_configure': drivers/gpu/drm/bridge/ite-it6505.c:1603: undefined reference to `drm_dp_dpcd_write' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_parse_link_capabilities': drivers/gpu/drm/bridge/ite-it6505.c:1457: undefined reference to `drm_dp_link_rate_to_bw_code' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_drm_dp_link_probe': drivers/gpu/drm/bridge/ite-it6505.c:726: undefined reference to `drm_dp_dpcd_read' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:731: undefined reference to `drm_dp_bw_code_to_link_rate' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `drm_dp_dpcd_readb': include/drm/dp/drm_dp_helper.h:2073: undefined reference to `drm_dp_dpcd_read' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `drm_dp_dpcd_writeb': include/drm/dp/drm_dp_helper.h:2088: undefined reference to `drm_dp_dpcd_write' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.o: in function `it6505_process_hpd_irq': drivers/gpu/drm/bridge/ite-it6505.c:2293: undefined reference to `drm_dp_dpcd_read_link_status' arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/ite-it6505.c:2302: undefined reference to `drm_dp_channel_eq_ok' vim +37 kernel/iomem.c 5981690ddb8f72 Dan Williams 2018-03-29 29 5981690ddb8f72 Dan Williams 2018-03-29 30 static void *try_ram_remap(resource_size_t offset, size_t size, 5981690ddb8f72 Dan Williams 2018-03-29 31 unsigned long flags) 5981690ddb8f72 Dan Williams 2018-03-29 32 { 5981690ddb8f72 Dan Williams 2018-03-29 33 unsigned long pfn = PHYS_PFN(offset); 5981690ddb8f72 Dan Williams 2018-03-29 34 5981690ddb8f72 Dan Williams 2018-03-29 35 /* In the simple case just return the existing linear address */ 635763878be30a Mike Rapoport 2022-04-24 36 if (!PageHighMem(pfn_to_page(pfn)) && 5981690ddb8f72 Dan Williams 2018-03-29 @37 arch_memremap_can_ram_remap(offset, size, flags)) 5981690ddb8f72 Dan Williams 2018-03-29 38 return __va(offset); 5981690ddb8f72 Dan Williams 2018-03-29 39 5981690ddb8f72 Dan Williams 2018-03-29 40 return NULL; /* fallback to arch_memremap_wb */ 5981690ddb8f72 Dan Williams 2018-03-29 41 } 5981690ddb8f72 Dan Williams 2018-03-29 42 -- 0-DAY CI Kernel Test Service https://01.org/lkp