* Re: [PATCH v3 2/4] cxl: Update Soft Reserved resources upon region creation
[not found] <20250403183315.286710-3-terry.bowman@amd.com>
@ 2025-04-04 13:58 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-04-04 13:58 UTC (permalink / raw)
To: Terry Bowman, dave, jonathan.cameron, dave.jiang,
alison.schofield, vishal.l.verma, ira.weiny, dan.j.williams,
willy, jack, rafael, len.brown, pavel, ming.li, nathan.fontenot,
Smita.KoralahalliChannabasappa, huang.ying.caritas, yaoxt.fnst,
peterz, gregkh, quic_jjohnson, ilpo.jarvinen, bhelgaas,
andriy.shevchenko, mika.westerberg, akpm, gourry, linux-cxl,
linux-kernel, nvdimm, linux-fsdevel
Cc: llvm, oe-kbuild-all
Hi Terry,
kernel test robot noticed the following build errors:
[auto build test ERROR on aae0594a7053c60b82621136257c8b648c67b512]
url: https://github.com/intel-lab-lkp/linux/commits/Terry-Bowman/kernel-resource-Provide-mem-region-release-for-SOFT-RESERVES/20250404-023601
base: aae0594a7053c60b82621136257c8b648c67b512
patch link: https://lore.kernel.org/r/20250403183315.286710-3-terry.bowman%40amd.com
patch subject: [PATCH v3 2/4] cxl: Update Soft Reserved resources upon region creation
config: hexagon-randconfig-001-20250404 (https://download.01.org/0day-ci/archive/20250404/202504042103.wFCRBR7K-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250404/202504042103.wFCRBR7K-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504042103.wFCRBR7K-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/cxl/core/suspend.c:7:
>> drivers/cxl/cxlpci.h:126:2: error: call to undeclared function 'pcie_capability_read_word'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
pcie_capability_read_word(pdev, PCI_EXP_LNKSTA2, &lnksta2);
^
1 error generated.
vim +/pcie_capability_read_word +126 drivers/cxl/cxlpci.h
e0c818e00443ce Robert Richter 2024-02-16 116
4d07a05397c8c1 Dave Jiang 2023-12-21 117 /*
4d07a05397c8c1 Dave Jiang 2023-12-21 118 * CXL v3.0 6.2.3 Table 6-4
4d07a05397c8c1 Dave Jiang 2023-12-21 119 * The table indicates that if PCIe Flit Mode is set, then CXL is in 256B flits
4d07a05397c8c1 Dave Jiang 2023-12-21 120 * mode, otherwise it's 68B flits mode.
4d07a05397c8c1 Dave Jiang 2023-12-21 121 */
4d07a05397c8c1 Dave Jiang 2023-12-21 122 static inline bool cxl_pci_flit_256(struct pci_dev *pdev)
4d07a05397c8c1 Dave Jiang 2023-12-21 123 {
4d07a05397c8c1 Dave Jiang 2023-12-21 124 u16 lnksta2;
4d07a05397c8c1 Dave Jiang 2023-12-21 125
4d07a05397c8c1 Dave Jiang 2023-12-21 @126 pcie_capability_read_word(pdev, PCI_EXP_LNKSTA2, &lnksta2);
4d07a05397c8c1 Dave Jiang 2023-12-21 127 return lnksta2 & PCI_EXP_LNKSTA2_FLIT;
4d07a05397c8c1 Dave Jiang 2023-12-21 128 }
4d07a05397c8c1 Dave Jiang 2023-12-21 129
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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