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From: kernel test robot <lkp@intel.com>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: kbuild-all@lists.01.org, linux-pci@vger.kernel.org
Subject: [helgaas-pci:pci/driver 17/24] drivers/misc/cxl/guest.c:34:29: sparse: sparse: incorrect type in assignment (different modifiers)
Date: Fri, 12 Nov 2021 18:43:45 +0800	[thread overview]
Message-ID: <202111121836.Oiqcphv0-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 8438 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/driver
head:   0508b6f72f055b88df518db4f3811bda9bb35da4
commit: 115c9d41e58388415f4956d0a988c90fb48663b9 [17/24] cxl: Factor out common dev->driver expressions
config: powerpc64-randconfig-s032-20211025 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/commit/?id=115c9d41e58388415f4956d0a988c90fb48663b9
        git remote add helgaas-pci https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
        git fetch --no-tags helgaas-pci pci/driver
        git checkout 115c9d41e58388415f4956d0a988c90fb48663b9
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/misc/cxl/guest.c:34:29: sparse: sparse: incorrect type in assignment (different modifiers) @@     expected struct pci_error_handlers *err_handler @@     got struct pci_error_handlers const *err_handler @@
   drivers/misc/cxl/guest.c:34:29: sparse:     expected struct pci_error_handlers *err_handler
   drivers/misc/cxl/guest.c:34:29: sparse:     got struct pci_error_handlers const *err_handler
   drivers/misc/cxl/guest.c:108:33: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [usertype] phys_addr @@     got restricted __be64 [usertype] @@
   drivers/misc/cxl/guest.c:108:33: sparse:     expected unsigned long long [usertype] phys_addr
   drivers/misc/cxl/guest.c:108:33: sparse:     got restricted __be64 [usertype]
   drivers/misc/cxl/guest.c:109:27: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [usertype] len @@     got restricted __be64 [usertype] @@
   drivers/misc/cxl/guest.c:109:27: sparse:     expected unsigned long long [usertype] len
   drivers/misc/cxl/guest.c:109:27: sparse:     got restricted __be64 [usertype]
   drivers/misc/cxl/guest.c:111:35: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [usertype] len @@     got restricted __be64 [usertype] @@
   drivers/misc/cxl/guest.c:111:35: sparse:     expected unsigned long long [usertype] len
   drivers/misc/cxl/guest.c:111:35: sparse:     got restricted __be64 [usertype]
   drivers/misc/cxl/guest.c:443:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@     got unsigned short [usertype] * @@
   drivers/misc/cxl/guest.c:443:33: sparse:     expected unsigned short const volatile [noderef] [usertype] __iomem *addr
   drivers/misc/cxl/guest.c:443:33: sparse:     got unsigned short [usertype] *
   drivers/misc/cxl/guest.c:446:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@     got unsigned int * @@
   drivers/misc/cxl/guest.c:446:33: sparse:     expected unsigned int const volatile [noderef] [usertype] __iomem *addr
   drivers/misc/cxl/guest.c:446:33: sparse:     got unsigned int *
   drivers/misc/cxl/guest.c:449:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned long long const volatile [noderef] [usertype] __iomem *addr @@     got unsigned long long [usertype] * @@
   drivers/misc/cxl/guest.c:449:33: sparse:     expected unsigned long long const volatile [noderef] [usertype] __iomem *addr
   drivers/misc/cxl/guest.c:449:33: sparse:     got unsigned long long [usertype] *
   drivers/misc/cxl/guest.c:537:23: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:537:23: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:537:23: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:538:23: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:538:23: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:538:23: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:540:31: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:540:31: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:540:31: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:543:23: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:543:23: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:543:23: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:544:23: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:544:23: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:544:23: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:546:31: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:546:31: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:546:31: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:549:31: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:549:31: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:549:31: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:552:31: sparse: sparse: cast from restricted __be64
--
>> drivers/misc/cxl/pci.c:1816:29: sparse: sparse: incorrect type in assignment (different modifiers) @@     expected struct pci_error_handlers *err_handler @@     got struct pci_error_handlers const *err_handler @@
   drivers/misc/cxl/pci.c:1816:29: sparse:     expected struct pci_error_handlers *err_handler
   drivers/misc/cxl/pci.c:1816:29: sparse:     got struct pci_error_handlers const *err_handler
   drivers/misc/cxl/pci.c:2041:37: sparse: sparse: incorrect type in assignment (different modifiers) @@     expected struct pci_error_handlers *err_handler @@     got struct pci_error_handlers const *err_handler @@
   drivers/misc/cxl/pci.c:2041:37: sparse:     expected struct pci_error_handlers *err_handler
   drivers/misc/cxl/pci.c:2041:37: sparse:     got struct pci_error_handlers const *err_handler
   drivers/misc/cxl/pci.c:2090:37: sparse: sparse: incorrect type in assignment (different modifiers) @@     expected struct pci_error_handlers *err_handler @@     got struct pci_error_handlers const *err_handler @@
   drivers/misc/cxl/pci.c:2090:37: sparse:     expected struct pci_error_handlers *err_handler
   drivers/misc/cxl/pci.c:2090:37: sparse:     got struct pci_error_handlers const *err_handler

vim +34 drivers/misc/cxl/guest.c

    17	
    18	static void pci_error_handlers(struct cxl_afu *afu,
    19					int bus_error_event,
    20					pci_channel_state_t state)
    21	{
    22		struct pci_dev *afu_dev;
    23		struct pci_driver *afu_drv;
    24		struct pci_error_handlers *err_handler;
    25	
    26		if (afu->phb == NULL)
    27			return;
    28	
    29		list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) {
    30			afu_drv = afu_dev->driver;
    31			if (!afu_drv)
    32				continue;
    33	
  > 34			err_handler = afu_drv->err_handler;
    35			switch (bus_error_event) {
    36			case CXL_ERROR_DETECTED_EVENT:
    37				afu_dev->error_state = state;
    38	
    39				if (err_handler &&
    40				    err_handler->error_detected)
    41					err_handler->error_detected(afu_dev, state);
    42				break;
    43			case CXL_SLOT_RESET_EVENT:
    44				afu_dev->error_state = state;
    45	
    46				if (err_handler &&
    47				    err_handler->slot_reset)
    48					err_handler->slot_reset(afu_dev);
    49				break;
    50			case CXL_RESUME_EVENT:
    51				if (err_handler &&
    52				    err_handler->resume)
    53					err_handler->resume(afu_dev);
    54				break;
    55			}
    56		}
    57	}
    58	

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 36585 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [helgaas-pci:pci/driver 17/24] drivers/misc/cxl/guest.c:34:29: sparse: sparse: incorrect type in assignment (different modifiers)
Date: Fri, 12 Nov 2021 18:43:45 +0800	[thread overview]
Message-ID: <202111121836.Oiqcphv0-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 8564 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/driver
head:   0508b6f72f055b88df518db4f3811bda9bb35da4
commit: 115c9d41e58388415f4956d0a988c90fb48663b9 [17/24] cxl: Factor out common dev->driver expressions
config: powerpc64-randconfig-s032-20211025 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/commit/?id=115c9d41e58388415f4956d0a988c90fb48663b9
        git remote add helgaas-pci https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
        git fetch --no-tags helgaas-pci pci/driver
        git checkout 115c9d41e58388415f4956d0a988c90fb48663b9
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/misc/cxl/guest.c:34:29: sparse: sparse: incorrect type in assignment (different modifiers) @@     expected struct pci_error_handlers *err_handler @@     got struct pci_error_handlers const *err_handler @@
   drivers/misc/cxl/guest.c:34:29: sparse:     expected struct pci_error_handlers *err_handler
   drivers/misc/cxl/guest.c:34:29: sparse:     got struct pci_error_handlers const *err_handler
   drivers/misc/cxl/guest.c:108:33: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [usertype] phys_addr @@     got restricted __be64 [usertype] @@
   drivers/misc/cxl/guest.c:108:33: sparse:     expected unsigned long long [usertype] phys_addr
   drivers/misc/cxl/guest.c:108:33: sparse:     got restricted __be64 [usertype]
   drivers/misc/cxl/guest.c:109:27: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [usertype] len @@     got restricted __be64 [usertype] @@
   drivers/misc/cxl/guest.c:109:27: sparse:     expected unsigned long long [usertype] len
   drivers/misc/cxl/guest.c:109:27: sparse:     got restricted __be64 [usertype]
   drivers/misc/cxl/guest.c:111:35: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned long long [usertype] len @@     got restricted __be64 [usertype] @@
   drivers/misc/cxl/guest.c:111:35: sparse:     expected unsigned long long [usertype] len
   drivers/misc/cxl/guest.c:111:35: sparse:     got restricted __be64 [usertype]
   drivers/misc/cxl/guest.c:443:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@     got unsigned short [usertype] * @@
   drivers/misc/cxl/guest.c:443:33: sparse:     expected unsigned short const volatile [noderef] [usertype] __iomem *addr
   drivers/misc/cxl/guest.c:443:33: sparse:     got unsigned short [usertype] *
   drivers/misc/cxl/guest.c:446:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@     got unsigned int * @@
   drivers/misc/cxl/guest.c:446:33: sparse:     expected unsigned int const volatile [noderef] [usertype] __iomem *addr
   drivers/misc/cxl/guest.c:446:33: sparse:     got unsigned int *
   drivers/misc/cxl/guest.c:449:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected unsigned long long const volatile [noderef] [usertype] __iomem *addr @@     got unsigned long long [usertype] * @@
   drivers/misc/cxl/guest.c:449:33: sparse:     expected unsigned long long const volatile [noderef] [usertype] __iomem *addr
   drivers/misc/cxl/guest.c:449:33: sparse:     got unsigned long long [usertype] *
   drivers/misc/cxl/guest.c:537:23: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:537:23: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:537:23: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:538:23: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:538:23: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:538:23: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:540:31: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:540:31: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:540:31: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:543:23: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:543:23: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:543:23: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:544:23: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:544:23: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:544:23: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:546:31: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:546:31: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:546:31: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:549:31: sparse: sparse: invalid assignment: |=
   drivers/misc/cxl/guest.c:549:31: sparse:    left side has type restricted __be64
   drivers/misc/cxl/guest.c:549:31: sparse:    right side has type unsigned long long
   drivers/misc/cxl/guest.c:552:31: sparse: sparse: cast from restricted __be64
--
>> drivers/misc/cxl/pci.c:1816:29: sparse: sparse: incorrect type in assignment (different modifiers) @@     expected struct pci_error_handlers *err_handler @@     got struct pci_error_handlers const *err_handler @@
   drivers/misc/cxl/pci.c:1816:29: sparse:     expected struct pci_error_handlers *err_handler
   drivers/misc/cxl/pci.c:1816:29: sparse:     got struct pci_error_handlers const *err_handler
   drivers/misc/cxl/pci.c:2041:37: sparse: sparse: incorrect type in assignment (different modifiers) @@     expected struct pci_error_handlers *err_handler @@     got struct pci_error_handlers const *err_handler @@
   drivers/misc/cxl/pci.c:2041:37: sparse:     expected struct pci_error_handlers *err_handler
   drivers/misc/cxl/pci.c:2041:37: sparse:     got struct pci_error_handlers const *err_handler
   drivers/misc/cxl/pci.c:2090:37: sparse: sparse: incorrect type in assignment (different modifiers) @@     expected struct pci_error_handlers *err_handler @@     got struct pci_error_handlers const *err_handler @@
   drivers/misc/cxl/pci.c:2090:37: sparse:     expected struct pci_error_handlers *err_handler
   drivers/misc/cxl/pci.c:2090:37: sparse:     got struct pci_error_handlers const *err_handler

vim +34 drivers/misc/cxl/guest.c

    17	
    18	static void pci_error_handlers(struct cxl_afu *afu,
    19					int bus_error_event,
    20					pci_channel_state_t state)
    21	{
    22		struct pci_dev *afu_dev;
    23		struct pci_driver *afu_drv;
    24		struct pci_error_handlers *err_handler;
    25	
    26		if (afu->phb == NULL)
    27			return;
    28	
    29		list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) {
    30			afu_drv = afu_dev->driver;
    31			if (!afu_drv)
    32				continue;
    33	
  > 34			err_handler = afu_drv->err_handler;
    35			switch (bus_error_event) {
    36			case CXL_ERROR_DETECTED_EVENT:
    37				afu_dev->error_state = state;
    38	
    39				if (err_handler &&
    40				    err_handler->error_detected)
    41					err_handler->error_detected(afu_dev, state);
    42				break;
    43			case CXL_SLOT_RESET_EVENT:
    44				afu_dev->error_state = state;
    45	
    46				if (err_handler &&
    47				    err_handler->slot_reset)
    48					err_handler->slot_reset(afu_dev);
    49				break;
    50			case CXL_RESUME_EVENT:
    51				if (err_handler &&
    52				    err_handler->resume)
    53					err_handler->resume(afu_dev);
    54				break;
    55			}
    56		}
    57	}
    58	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 36585 bytes --]

             reply	other threads:[~2021-11-12 10:44 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-12 10:43 kernel test robot [this message]
2021-11-12 10:43 ` [helgaas-pci:pci/driver 17/24] drivers/misc/cxl/guest.c:34:29: sparse: sparse: incorrect type in assignment (different modifiers) kernel test robot
2021-11-12 13:44 ` Krzysztof Wilczyński
2021-11-12 13:44   ` Krzysztof Wilczyński
2021-11-12 15:50   ` Dan Williams
2021-11-12 15:50     ` Dan Williams
2021-11-12 18:29     ` Krzysztof Wilczyński
2021-11-12 18:29       ` Krzysztof Wilczyński
2021-11-17  7:29   ` Frederic Barrat
2021-11-17  7:29     ` Frederic Barrat

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