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From: kernel test robot <lkp@intel.com>
To: Dan Williams <dan.j.williams@intel.com>, akpm@linux-foundation.org
Cc: kbuild-all@lists.01.org, Joao Martins <joao.m.martins@oracle.com>,
	peterz@infradead.org, dave.hansen@linux.intel.com,
	ard.biesheuvel@linaro.org, linux-mm@kvack.org,
	linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org,
	linux-acpi@vger.kernel.org
Subject: Re: [PATCH v3 21/23] device-dax: Add an 'align' attribute
Date: Sat, 1 Aug 2020 14:18:12 +0800
Message-ID: <202008011403.PtFkHpqE%lkp@intel.com> (raw)
In-Reply-To: <159625241660.3040297.3801913809845542130.stgit@dwillia2-desk3.amr.corp.intel.com>

Hi Dan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on 01830e6c042e8eb6eb202e05d7df8057135b4c26]

url:    https://github.com/0day-ci/linux/commits/Dan-Williams/device-dax-Support-sub-dividing-soft-reserved-ranges/20200801-114823
base:    01830e6c042e8eb6eb202e05d7df8057135b4c26
config: arm-randconfig-r006-20200731 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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 >>):

   drivers/dax/bus.c: In function 'do_id_store':
   drivers/dax/bus.c:94:27: warning: suggest braces around empty body in an 'else' statement [-Wempty-body]
      94 |    /* nothing to remove */;
         |                           ^
   drivers/dax/bus.c:99:29: warning: suggest braces around empty body in an 'else' statement [-Wempty-body]
      99 |   /* dax_id already added */;
         |                             ^
   In file included from include/linux/percpu-refcount.h:54,
                    from include/linux/memremap.h:6,
                    from drivers/dax/bus.c:3:
   drivers/dax/bus.c: In function 'dev_dax_shrink':
   include/linux/kernel.h:850:29: warning: comparison of distinct pointer types lacks a cast
     850 |   (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
         |                             ^~
   include/linux/kernel.h:864:4: note: in expansion of macro '__typecheck'
     864 |   (__typecheck(x, y) && __no_side_effects(x, y))
         |    ^~~~~~~~~~~
   include/linux/kernel.h:874:24: note: in expansion of macro '__safe_cmp'
     874 |  __builtin_choose_expr(__safe_cmp(x, y), \
         |                        ^~~~~~~~~~
   include/linux/kernel.h:883:19: note: in expansion of macro '__careful_cmp'
     883 | #define min(x, y) __careful_cmp(x, y, <)
         |                   ^~~~~~~~~~~~~
   drivers/dax/bus.c:881:12: note: in expansion of macro 'min'
     881 |   shrink = min(to_shrink, range_len(range));
         |            ^~~
   In file included from include/linux/device.h:15,
                    from drivers/dax/bus.c:4:
   drivers/dax/bus.c: In function 'dev_dax_validate_align':
   drivers/dax/bus.c:1062:16: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 6 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
    1062 |   dev_dbg(dev, "%s: align %u invalid for size %llu\n",
         |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/dax/bus.c:1062:3: note: in expansion of macro 'dev_dbg'
    1062 |   dev_dbg(dev, "%s: align %u invalid for size %llu\n",
         |   ^~~~~~~
   drivers/dax/bus.c:1062:50: note: format string is defined here
    1062 |   dev_dbg(dev, "%s: align %u invalid for size %llu\n",
         |                                               ~~~^
         |                                                  |
         |                                                  long long unsigned int
         |                                               %u
   In file included from include/linux/device.h:15,
                    from drivers/dax/bus.c:4:
   drivers/dax/bus.c:1071:17: warning: format '%ld' expects argument of type 'long int', but argument 6 has type 'ssize_t' {aka 'int'} [-Wformat=]
    1071 |    dev_dbg(dev, "%s: align %u invalid for range %ld\n",
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/dax/bus.c:1071:4: note: in expansion of macro 'dev_dbg'
    1071 |    dev_dbg(dev, "%s: align %u invalid for range %ld\n",
         |    ^~~~~~~
   drivers/dax/bus.c:1071:51: note: format string is defined here
    1071 |    dev_dbg(dev, "%s: align %u invalid for range %ld\n",
         |                                                 ~~^
         |                                                   |
         |                                                   long int
         |                                                 %d
>> drivers/dax/bus.c:1082:7: error: 'PMD_SIZE' undeclared (first use in this function); did you mean 'PUD_SIZE'?
    1082 |  case PMD_SIZE:
         |       ^~~~~~~~
         |       PUD_SIZE
   drivers/dax/bus.c:1082:7: note: each undeclared identifier is reported only once for each function it appears in
   In file included from include/linux/compiler_types.h:65,
                    from <command-line>:
   include/linux/compiler_attributes.h:214:41: warning: attribute 'fallthrough' not preceding a case label or default label
     214 | # define fallthrough                    __attribute__((__fallthrough__))
         |                                         ^~~~~~~~~~~~~
   drivers/dax/bus.c:1081:3: note: in expansion of macro 'fallthrough'
    1081 |   fallthrough;
         |   ^~~~~~~~~~~

vim +1082 drivers/dax/bus.c

  1050	
  1051	static ssize_t dev_dax_validate_align(struct dev_dax *dev_dax)
  1052	{
  1053		resource_size_t dev_size = dev_dax_size(dev_dax);
  1054		struct device *dev = &dev_dax->dev;
  1055		ssize_t rc, i;
  1056	
  1057		if (dev->driver)
  1058			return -EBUSY;
  1059	
  1060		rc = -EINVAL;
  1061		if (dev_size > 0 && !alloc_is_aligned(dev_dax, dev_size)) {
  1062			dev_dbg(dev, "%s: align %u invalid for size %llu\n",
  1063				__func__, dev_dax->align, dev_size);
  1064			return rc;
  1065		}
  1066	
  1067		for (i = 0; i < dev_dax->nr_range; i++) {
  1068			size_t len = range_len(&dev_dax->ranges[i].range);
  1069	
  1070			if (!alloc_is_aligned(dev_dax, len)) {
  1071				dev_dbg(dev, "%s: align %u invalid for range %ld\n",
  1072					__func__, dev_dax->align, i);
  1073				return rc;
  1074			}
  1075		}
  1076	
  1077		switch (dev_dax->align) {
  1078		case PUD_SIZE:
  1079			if (!IS_ENABLED(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD))
  1080				break;
  1081			fallthrough;
> 1082		case PMD_SIZE:
  1083			if (!has_transparent_hugepage())
  1084				break;
  1085			fallthrough;
  1086		case PAGE_SIZE:
  1087			rc = 0;
  1088			break;
  1089		}
  1090	
  1091		return rc;
  1092	}
  1093	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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  parent reply index

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-01  3:24 [PATCH v3 00/23] device-dax: Support sub-dividing soft-reserved ranges Dan Williams
2020-08-01  3:25 ` [PATCH v3 01/23] x86/numa: Cleanup configuration dependent command-line options Dan Williams
2020-08-01  3:25 ` [PATCH v3 02/23] x86/numa: Add 'nohmat' option Dan Williams
2020-08-01  3:51   ` Randy Dunlap
2020-08-01 16:36     ` Dan Williams
2020-08-01  3:25 ` [PATCH v3 03/23] efi/fake_mem: Arrange for a resource entry per efi_fake_mem instance Dan Williams
2020-08-01  3:25 ` [PATCH v3 04/23] ACPI: HMAT: Refactor hmat_register_target_device to hmem_register_device Dan Williams
2020-08-01  3:25 ` [PATCH v3 05/23] resource: Report parent to walk_iomem_res_desc() callback Dan Williams
2020-08-01  3:25 ` [PATCH v3 06/23] mm/memory_hotplug: Introduce default phys_to_target_node() implementation Dan Williams
2020-08-01  6:24   ` kernel test robot
2020-08-01 16:39   ` kernel test robot
2020-08-01  3:25 ` [PATCH v3 07/23] ACPI: HMAT: Attach a device for each soft-reserved range Dan Williams
2020-08-01  3:25 ` [PATCH v3 08/23] device-dax: Drop the dax_region.pfn_flags attribute Dan Williams
2020-08-01  3:25 ` [PATCH v3 09/23] device-dax: Move instance creation parameters to 'struct dev_dax_data' Dan Williams
2020-08-01  3:25 ` [PATCH v3 10/23] device-dax: Make pgmap optional for instance creation Dan Williams
2020-08-01  3:26 ` [PATCH v3 11/23] device-dax: Kill dax_kmem_res Dan Williams
2020-08-01  3:26 ` [PATCH v3 12/23] device-dax: Add an allocation interface for device-dax instances Dan Williams
2020-08-01  3:26 ` [PATCH v3 13/23] device-dax: Introduce 'seed' devices Dan Williams
2020-08-01  3:26 ` [PATCH v3 14/23] drivers/base: Make device_find_child_by_name() compatible with sysfs inputs Dan Williams
2020-08-01  3:26 ` [PATCH v3 15/23] device-dax: Add resize support Dan Williams
2020-08-01  3:26 ` [PATCH v3 16/23] mm/memremap_pages: Convert to 'struct range' Dan Williams
2020-08-01  3:26 ` [PATCH v3 17/23] mm/memremap_pages: Support multiple ranges per invocation Dan Williams
2020-08-01  3:26 ` [PATCH v3 18/23] device-dax: Add dis-contiguous resource support Dan Williams
2020-08-01  3:26 ` [PATCH v3 19/23] device-dax: Introduce 'mapping' devices Dan Williams
2020-08-01  3:26 ` [PATCH v3 20/23] device-dax: Make align a per-device property Dan Williams
2020-08-01  7:23   ` kernel test robot
2020-08-01  3:26 ` [PATCH v3 21/23] device-dax: Add an 'align' attribute Dan Williams
2020-08-01  6:14   ` kernel test robot
2020-08-01  6:18   ` kernel test robot [this message]
2020-08-01  3:27 ` [PATCH v3 22/23] dax/hmem: Introduce dax_hmem.region_idle parameter Dan Williams
2020-08-01  3:27 ` [PATCH v3 23/23] device-dax: Add a range mapping allocation attribute Dan Williams
2020-08-04 17:02 ` [PATCH v3 00/23] device-dax: Support sub-dividing soft-reserved ranges Jason Gunthorpe

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