lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <202408271011.SsRB0mow-lkp@intel.com>
Date: Tue, 27 Aug 2024 10:54:11 +0800
From: kernel test robot <lkp@...el.com>
To: Matthew Rosato <mjrosato@...ux.ibm.com>, joro@...tes.org,
	will@...nel.org, robin.murphy@....com,
	gerald.schaefer@...ux.ibm.com, schnelle@...ux.ibm.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, jgg@...pe.ca,
	baolu.lu@...ux.intel.com, hca@...ux.ibm.com, gor@...ux.ibm.com,
	agordeev@...ux.ibm.com, svens@...ux.ibm.com, jroedel@...e.de,
	iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
	linux-s390@...r.kernel.org
Subject: Re: [PATCH v3] iommu/s390: Implement blocking domain

Hi Matthew,

kernel test robot noticed the following build errors:

[auto build test ERROR on s390/features]
[also build test ERROR on linus/master v6.11-rc5 next-20240826]
[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/Matthew-Rosato/iommu-s390-Implement-blocking-domain/20240826-163744
base:   https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features
patch link:    https://lore.kernel.org/r/20240823203108.304054-1-mjrosato%40linux.ibm.com
patch subject: [PATCH v3] iommu/s390: Implement blocking domain
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240827/202408271011.SsRB0mow-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 08e5a1de8227512d4774a534b91cb2353cef6284)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240827/202408271011.SsRB0mow-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/202408271011.SsRB0mow-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/iommu/s390-iommu.c:9:
   In file included from include/linux/pci.h:37:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/s390/include/asm/elf.h:181:
   In file included from arch/s390/include/asm/mmu_context.h:11:
   In file included from arch/s390/include/asm/pgalloc.h:18:
   In file included from include/linux/mm.h:2228:
   include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     500 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     501 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     507 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     508 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     514 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     519 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     520 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     528 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     529 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/iommu/s390-iommu.c:9:
   In file included from include/linux/pci.h:39:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     548 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     561 |         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
         |                                                           ^
   include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
     102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
         |                                                      ^
   In file included from drivers/iommu/s390-iommu.c:9:
   In file included from include/linux/pci.h:39:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     574 |         val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
      35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
         |                                                           ^
   include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
     115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
         |                                                      ^
   In file included from drivers/iommu/s390-iommu.c:9:
   In file included from include/linux/pci.h:39:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     585 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     595 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     605 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     693 |         readsb(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     701 |         readsw(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     709 |         readsl(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     718 |         writesb(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     727 |         writesw(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     736 |         writesl(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
>> drivers/iommu/s390-iommu.c:707:2: error: member reference type 'spinlock_t' (aka 'struct spinlock') is not a pointer; did you mean to use '.'?
     707 |         lockdep_assert_held(zdev->dom_lock);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/lockdep.h:285:17: note: expanded from macro 'lockdep_assert_held'
     285 |         lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD)
         |         ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/lockdep.h:252:52: note: expanded from macro 'lockdep_is_held'
     252 | #define lockdep_is_held(lock)           lock_is_held(&(lock)->dep_map)
         |                                                             ^
   include/linux/lockdep.h:279:32: note: expanded from macro 'lockdep_assert'
     279 |         do { WARN_ON(debug_locks && !(cond)); } while (0)
         |              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
   arch/s390/include/asm/bug.h:54:25: note: expanded from macro 'WARN_ON'
      54 |         int __ret_warn_on = !!(x);                      \
         |                                ^
>> drivers/iommu/s390-iommu.c:707:2: error: cannot take the address of an rvalue of type 'struct lockdep_map'
     707 |         lockdep_assert_held(zdev->dom_lock);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/lockdep.h:285:17: note: expanded from macro 'lockdep_assert_held'
     285 |         lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD)
         |         ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/lockdep.h:252:45: note: expanded from macro 'lockdep_is_held'
     252 | #define lockdep_is_held(lock)           lock_is_held(&(lock)->dep_map)
         |                                                      ^
   include/linux/lockdep.h:279:32: note: expanded from macro 'lockdep_assert'
     279 |         do { WARN_ON(debug_locks && !(cond)); } while (0)
         |              ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
   arch/s390/include/asm/bug.h:54:25: note: expanded from macro 'WARN_ON'
      54 |         int __ret_warn_on = !!(x);                      \
         |                                ^
   17 warnings and 2 errors generated.


vim +707 drivers/iommu/s390-iommu.c

   702	
   703	struct zpci_iommu_ctrs *zpci_get_iommu_ctrs(struct zpci_dev *zdev)
   704	{
   705		struct s390_domain *s390_domain;
   706	
 > 707		lockdep_assert_held(zdev->dom_lock);
   708	
   709		if (zdev->s390_domain->type == IOMMU_DOMAIN_BLOCKED)
   710			return NULL;
   711	
   712		s390_domain = to_s390_domain(zdev->s390_domain);
   713		return &s390_domain->ctrs;
   714	}
   715	

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

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ