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Message-ID: <202311220525.o2AUzf97-lkp@intel.com>
Date:   Wed, 22 Nov 2023 05:27:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     shiju.jose@...wei.com, linux-cxl@...r.kernel.org,
        linux-mm@...ck.org, dave@...olabs.net, jonathan.cameron@...wei.com,
        dave.jiang@...el.com, alison.schofield@...el.com,
        vishal.l.verma@...el.com, ira.weiny@...el.com,
        dan.j.williams@...el.com
Cc:     oe-kbuild-all@...ts.linux.dev, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, david@...hat.com,
        Vilas.Sridharan@....com, leo.duran@....com, Yazen.Ghannam@....com,
        rientjes@...gle.com, jiaqiyan@...gle.com, tony.luck@...el.com,
        Jon.Grimm@....com, dave.hansen@...ux.intel.com, rafael@...nel.org,
        lenb@...nel.org, naoya.horiguchi@....com, james.morse@....com,
        jthoughton@...gle.com, somasundaram.a@....com,
        erdemaktas@...gle.com, pgonda@...gle.com, duenwen@...gle.com,
        mike.malvestuto@...el.com
Subject: Re: [PATCH v2 01/10] cxl/mbox: Add GET_SUPPORTED_FEATURES mailbox
 command

Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.7-rc2 next-20231121]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/shiju-jose-huawei-com/cxl-mbox-Add-GET_SUPPORTED_FEATURES-mailbox-command/20231121-182247
base:   linus/master
patch link:    https://lore.kernel.org/r/20231121101844.1161-2-shiju.jose%40huawei.com
patch subject: [PATCH v2 01/10] cxl/mbox: Add GET_SUPPORTED_FEATURES mailbox command
config: arc-randconfig-r113-20231122 (https://download.01.org/0day-ci/archive/20231122/202311220525.o2AUzf97-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231122/202311220525.o2AUzf97-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311220525.o2AUzf97-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/cxl/core/mbox.c:1318:31: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned int [usertype] size_out @@     got restricted __le32 [usertype] count @@
   drivers/cxl/core/mbox.c:1318:31: sparse:     expected unsigned int [usertype] size_out
   drivers/cxl/core/mbox.c:1318:31: sparse:     got restricted __le32 [usertype] count

vim +1318 drivers/cxl/core/mbox.c

  1306	
  1307	int cxl_get_supported_features(struct cxl_memdev_state *mds,
  1308							struct cxl_mbox_get_supp_feats_in *pi,
  1309							void *feats_out)
  1310	{
  1311		struct cxl_mbox_cmd mbox_cmd;
  1312		int rc;
  1313	
  1314		mbox_cmd = (struct cxl_mbox_cmd) {
  1315			.opcode = CXL_MBOX_OP_GET_SUPPORTED_FEATURES,
  1316			.size_in = sizeof(*pi),
  1317			.payload_in = pi,
> 1318			.size_out = pi->count,
  1319			.payload_out = feats_out,
  1320			.min_out = sizeof(struct cxl_mbox_get_supp_feats_out),
  1321		};
  1322		rc = cxl_internal_send_cmd(mds, &mbox_cmd);
  1323		if (rc < 0)
  1324			return rc;
  1325	
  1326		return 0;
  1327	}
  1328	EXPORT_SYMBOL_NS_GPL(cxl_get_supported_features, CXL);
  1329	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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