From: kernel test robot <lkp@intel.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [jgunthorpe:iommufd_dmabuf 14/28] drivers/vfio/pci/vfio_pci_core.c:2593:5: error: expected identifier or '('
Date: Sun, 19 Oct 2025 15:15:51 +0800 [thread overview]
Message-ID: <202510191531.msEdR0Ri-lkp@intel.com> (raw)
tree: https://github.com/jgunthorpe/linux iommufd_dmabuf
head: fa05815572860da32b9145bb5e396a511cc081a9
commit: 7323ffb6a7a00fcc9c21bcb5ded7119da356110c [14/28] Make vfio_pci_core_get_dmabuf_phys()
config: loongarch-randconfig-001-20251019 (https://download.01.org/0day-ci/archive/20251019/202510191531.msEdR0Ri-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251019/202510191531.msEdR0Ri-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/202510191531.msEdR0Ri-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/vfio/pci/vfio_pci_core.c:2593:5: error: expected identifier or '('
2593 | int vfio_pci_core_get_dmabuf_phys(struct vfio_pci_core_device *vdev,
| ^
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:16: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
>> drivers/vfio/pci/vfio_pci_core.c:2593:5: error: expected ')'
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:16: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
drivers/vfio/pci/vfio_pci_core.c:2593:5: note: to match this '('
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:15: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
>> drivers/vfio/pci/vfio_pci_core.c:2593:5: error: expected ')'
2593 | int vfio_pci_core_get_dmabuf_phys(struct vfio_pci_core_device *vdev,
| ^
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:23: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
drivers/vfio/pci/vfio_pci_core.c:2593:5: note: to match this '('
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
drivers/vfio/pci/vfio_pci_core.c:2602:19: error: expected identifier or '('
2602 | EXPORT_SYMBOL_GPL(vfio_pci_core_get_dmabuf_phys);
| ^
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:16: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
drivers/vfio/pci/vfio_pci_core.c:2602:19: error: expected ')'
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:16: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
drivers/vfio/pci/vfio_pci_core.c:2602:19: note: to match this '('
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:15: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
drivers/vfio/pci/vfio_pci_core.c:2602:19: error: expected ')'
2602 | EXPORT_SYMBOL_GPL(vfio_pci_core_get_dmabuf_phys);
| ^
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:23: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
drivers/vfio/pci/vfio_pci_core.c:2602:19: note: to match this '('
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
>> drivers/vfio/pci/vfio_pci_core.c:2602:1: error: pasting formed '__addressable_(', an invalid preprocessing token
2602 | EXPORT_SYMBOL_GPL(vfio_pci_core_get_dmabuf_phys);
| ^
include/linux/export.h:90:33: note: expanded from macro 'EXPORT_SYMBOL_GPL'
90 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
| ^
include/linux/export.h:86:38: note: expanded from macro '_EXPORT_SYMBOL'
86 | #define _EXPORT_SYMBOL(sym, license) __EXPORT_SYMBOL(sym, license, "")
| ^
include/linux/export.h:77:2: note: expanded from macro '__EXPORT_SYMBOL'
77 | __ADDRESSABLE(sym) \
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler.h:286:14: note: expanded from macro '___ADDRESSABLE'
286 | __UNIQUE_ID(__PASTE(__addressable_,sym)) = (void *)(uintptr_t)&sym;
| ^
include/linux/compiler_types.h:84:22: note: expanded from macro '__PASTE'
84 | #define __PASTE(a,b) ___PASTE(a,b)
| ^
include/linux/compiler_types.h:83:24: note: expanded from macro '___PASTE'
83 | #define ___PASTE(a,b) a##b
| ^
>> drivers/vfio/pci/vfio_pci_core.c:2602:19: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
2602 | EXPORT_SYMBOL_GPL(vfio_pci_core_get_dmabuf_phys);
| ^
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:16: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
drivers/vfio/pci/vfio_pci_core.c:2602:19: error: expected ')'
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:23: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
drivers/vfio/pci/vfio_pci_core.c:2602:19: note: to match this '('
include/linux/vfio_pci_core.h:75:39: note: expanded from macro 'vfio_pci_core_get_dmabuf_phys'
75 | #define vfio_pci_core_get_dmabuf_phys NULL
| ^
include/linux/stddef.h:8:14: note: expanded from macro 'NULL'
8 | #define NULL ((void *)0)
| ^
>> drivers/vfio/pci/vfio_pci_core.c:2602:1: error: pasting formed ')569', an invalid preprocessing token
2602 | EXPORT_SYMBOL_GPL(vfio_pci_core_get_dmabuf_phys);
| ^
include/linux/export.h:90:33: note: expanded from macro 'EXPORT_SYMBOL_GPL'
90 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
| ^
include/linux/export.h:86:38: note: expanded from macro '_EXPORT_SYMBOL'
86 | #define _EXPORT_SYMBOL(sym, license) __EXPORT_SYMBOL(sym, license, "")
| ^
include/linux/export.h:77:2: note: expanded from macro '__EXPORT_SYMBOL'
77 | __ADDRESSABLE(sym) \
| ^
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler.h:166:29: note: expanded from macro '__UNIQUE_ID'
166 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
| ^
include/linux/compiler_types.h:84:22: note: expanded from macro '__PASTE'
84 | #define __PASTE(a,b) ___PASTE(a,b)
| ^
include/linux/compiler_types.h:83:24: note: expanded from macro '___PASTE'
83 | #define ___PASTE(a,b) a##b
| ^
>> drivers/vfio/pci/vfio_pci_core.c:2602:1: error: expected function body after function declarator
include/linux/export.h:90:33: note: expanded from macro 'EXPORT_SYMBOL_GPL'
90 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
| ^
include/linux/export.h:86:38: note: expanded from macro '_EXPORT_SYMBOL'
86 | #define _EXPORT_SYMBOL(sym, license) __EXPORT_SYMBOL(sym, license, "")
| ^
include/linux/export.h:77:2: note: expanded from macro '__EXPORT_SYMBOL'
77 | __ADDRESSABLE(sym) \
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler.h:286:2: note: expanded from macro '___ADDRESSABLE'
286 | __UNIQUE_ID(__PASTE(__addressable_,sym)) = (void *)(uintptr_t)&sym;
| ^
include/linux/compiler.h:166:68: note: expanded from macro '__UNIQUE_ID'
166 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
| ^
<scratch space>:6:1: note: expanded from here
6 | 569
| ^
>> drivers/vfio/pci/vfio_pci_core.c:2602:1: error: pasting formed '__export_symbol_(', an invalid preprocessing token
include/linux/export.h:90:33: note: expanded from macro 'EXPORT_SYMBOL_GPL'
90 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
| ^
include/linux/export.h:86:38: note: expanded from macro '_EXPORT_SYMBOL'
86 | #define _EXPORT_SYMBOL(sym, license) __EXPORT_SYMBOL(sym, license, "")
| ^
include/linux/export.h:79:18: note: expanded from macro '__EXPORT_SYMBOL'
79 | asm(__stringify(___EXPORT_SYMBOL(sym, license, ns)))
| ^
include/linux/export.h:35:18: note: expanded from macro '___EXPORT_SYMBOL'
35 | __export_symbol_##sym: ASM_NL \
| ^
12 errors generated.
vim +2593 drivers/vfio/pci/vfio_pci_core.c
c61302aa48f7c4 Yishai Hadas 2021-08-26 2591
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2592 #if !IS_ENABLED(CONFIG_VFIO_PCI_DMABUF)
8c6218f59ae87a Jason Gunthorpe 2025-10-18 @2593 int vfio_pci_core_get_dmabuf_phys(struct vfio_pci_core_device *vdev,
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2594 struct p2pdma_provider **provider,
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2595 unsigned int region_index,
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2596 struct phys_vec *phys_vec,
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2597 struct vfio_region_dma_range *dma_ranges,
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2598 size_t nr_ranges)
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2599 {
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2600 return -EOPNOTSUPP;
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2601 }
8c6218f59ae87a Jason Gunthorpe 2025-10-18 @2602 EXPORT_SYMBOL_GPL(vfio_pci_core_get_dmabuf_phys);
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2603 #endif
8c6218f59ae87a Jason Gunthorpe 2025-10-18 2604
:::::: The code at line 2593 was first introduced by commit
:::::: 8c6218f59ae87a79a7ed6c38409afc86d29adcfd Make vfio dmabuf use an ops for getting the phys ranges
:::::: TO: Jason Gunthorpe <jgg@nvidia.com>
:::::: CC: Jason Gunthorpe <jgg@nvidia.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-10-19 7:16 UTC|newest]
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