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From: kernel test robot <lkp@intel.com>
To: Mike Rapoport <rppt@kernel.org>, linux-kernel@vger.kernel.org
Cc: kbuild-all@lists.01.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Guillaume Tucker <gtucker@collabora.com>,
	Mark Brown <broonie@kernel.org>,
	Mark-PK Tsai <mark-pk.tsai@mediatek.com>,
	Mike Rapoport <rppt@kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	Tony Lindgren <tony@atomide.com>, Will Deacon <will@kernel.org>,
	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
Date: Mon, 25 Apr 2022 04:14:47 +0800	[thread overview]
Message-ID: <202204250425.OjOiS0ZK-lkp@intel.com> (raw)
In-Reply-To: <20220424172044.22220-1-rppt@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 <lkp@intel.com>

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


      parent reply	other threads:[~2022-04-24 20:15 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20220424172044.22220-1-rppt@kernel.org>
2022-04-24 20:14 ` kernel test robot
2022-04-24 20:14 ` kernel test robot [this message]

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