linux-kernel - arch/x86/platform/uv/bios_uv.c:175:12: sparse: sparse: function 'uv_bios_get_master_nasid' with external linkage has definition

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Date:   Sat, 12 Aug 2023 08:09:47 +0800
From:   kernel test robot <lkp@...el.com>
To:     Justin Ernst <justin.ernst@....com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Borislav Petkov <bp@...e.de>, Steve Wahl <steve.wahl@....com>
Subject: arch/x86/platform/uv/bios_uv.c:175:12: sparse: sparse: function
 'uv_bios_get_master_nasid' with external linkage has definition

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   190bf7b14b0cf3df19c059061be032bd8994a597
commit: 9a3c425cfdfee169622f1cb1a974b2f287e5560c x86/platform/uv: Add and export uv_bios_* functions
date:   2 years, 9 months ago
config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20230812/202308120843.j7FXmsnM-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230812/202308120843.j7FXmsnM-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/202308120843.j7FXmsnM-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> arch/x86/platform/uv/bios_uv.c:175:12: sparse: sparse: function 'uv_bios_get_master_nasid' with external linkage has definition
>> arch/x86/platform/uv/bios_uv.c:182:12: sparse: sparse: function 'uv_bios_get_heapsize' with external linkage has definition
>> arch/x86/platform/uv/bios_uv.c:189:12: sparse: sparse: function 'uv_bios_install_heap' with external linkage has definition
>> arch/x86/platform/uv/bios_uv.c:196:12: sparse: sparse: function 'uv_bios_obj_count' with external linkage has definition
>> arch/x86/platform/uv/bios_uv.c:203:12: sparse: sparse: function 'uv_bios_enum_objs' with external linkage has definition
>> arch/x86/platform/uv/bios_uv.c:210:12: sparse: sparse: function 'uv_bios_enum_ports' with external linkage has definition
>> arch/x86/platform/uv/bios_uv.c:217:12: sparse: sparse: function 'uv_bios_get_geoinfo' with external linkage has definition
>> arch/x86/platform/uv/bios_uv.c:223:12: sparse: sparse: function 'uv_bios_get_pci_topology' with external linkage has definition
   arch/x86/platform/uv/bios_uv.c:249:19: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct uv_systab *[addressable] [assigned] [toplevel] uv_systab @@     got void [noderef] __iomem * @@
   arch/x86/platform/uv/bios_uv.c:249:19: sparse:     expected struct uv_systab *[addressable] [assigned] [toplevel] uv_systab
   arch/x86/platform/uv/bios_uv.c:249:19: sparse:     got void [noderef] __iomem *
   arch/x86/platform/uv/bios_uv.c:252:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void volatile [noderef] __iomem *addr @@     got struct uv_systab *[addressable] [assigned] [toplevel] uv_systab @@
   arch/x86/platform/uv/bios_uv.c:252:25: sparse:     expected void volatile [noderef] __iomem *addr
   arch/x86/platform/uv/bios_uv.c:252:25: sparse:     got struct uv_systab *[addressable] [assigned] [toplevel] uv_systab
   arch/x86/platform/uv/bios_uv.c:260:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void volatile [noderef] __iomem *addr @@     got struct uv_systab *[addressable] [assigned] [toplevel] uv_systab @@
   arch/x86/platform/uv/bios_uv.c:260:25: sparse:     expected void volatile [noderef] __iomem *addr
   arch/x86/platform/uv/bios_uv.c:260:25: sparse:     got struct uv_systab *[addressable] [assigned] [toplevel] uv_systab
   arch/x86/platform/uv/bios_uv.c:261:27: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct uv_systab *[addressable] [assigned] [toplevel] uv_systab @@     got void [noderef] __iomem * @@
   arch/x86/platform/uv/bios_uv.c:261:27: sparse:     expected struct uv_systab *[addressable] [assigned] [toplevel] uv_systab
   arch/x86/platform/uv/bios_uv.c:261:27: sparse:     got void [noderef] __iomem *

vim +/uv_bios_get_master_nasid +175 arch/x86/platform/uv/bios_uv.c

   174	
 > 175	extern s64 uv_bios_get_master_nasid(u64 size, u64 *master_nasid)
   176	{
   177		return uv_bios_call(UV_BIOS_EXTRA, 0, UV_BIOS_EXTRA_MASTER_NASID, 0,
   178					size, (u64)master_nasid);
   179	}
   180	EXPORT_SYMBOL_GPL(uv_bios_get_master_nasid);
   181	
 > 182	extern s64 uv_bios_get_heapsize(u64 nasid, u64 size, u64 *heap_size)
   183	{
   184		return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_GET_HEAPSIZE,
   185					0, size, (u64)heap_size);
   186	}
   187	EXPORT_SYMBOL_GPL(uv_bios_get_heapsize);
   188	
 > 189	extern s64 uv_bios_install_heap(u64 nasid, u64 heap_size, u64 *bios_heap)
   190	{
   191		return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_INSTALL_HEAP,
   192					0, heap_size, (u64)bios_heap);
   193	}
   194	EXPORT_SYMBOL_GPL(uv_bios_install_heap);
   195	
 > 196	extern s64 uv_bios_obj_count(u64 nasid, u64 size, u64 *objcnt)
   197	{
   198		return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_OBJECT_COUNT,
   199					0, size, (u64)objcnt);
   200	}
   201	EXPORT_SYMBOL_GPL(uv_bios_obj_count);
   202	
 > 203	extern s64 uv_bios_enum_objs(u64 nasid, u64 size, u64 *objbuf)
   204	{
   205		return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_ENUM_OBJECTS,
   206					0, size, (u64)objbuf);
   207	}
   208	EXPORT_SYMBOL_GPL(uv_bios_enum_objs);
   209	
 > 210	extern s64 uv_bios_enum_ports(u64 nasid, u64 obj_id, u64 size, u64 *portbuf)
   211	{
   212		return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_ENUM_PORTS,
   213					obj_id, size, (u64)portbuf);
   214	}
   215	EXPORT_SYMBOL_GPL(uv_bios_enum_ports);
   216	
 > 217	extern s64 uv_bios_get_geoinfo(u64 nasid, u64 size, u64 *buf)
   218	{
   219		return uv_bios_call(UV_BIOS_GET_GEOINFO, nasid, (u64)buf, size, 0, 0);
   220	}
   221	EXPORT_SYMBOL_GPL(uv_bios_get_geoinfo);
   222	
 > 223	extern s64 uv_bios_get_pci_topology(u64 size, u64 *buf)
   224	{
   225		return uv_bios_call(UV_BIOS_GET_PCI_TOPOLOGY, (u64)buf, size, 0, 0, 0);
   226	}
   227	EXPORT_SYMBOL_GPL(uv_bios_get_pci_topology);
   228	

-- 
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https://github.com/intel/lkp-tests/wiki