From: kbuild test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [ti:ti-android-linux-4.19-y 6022/18941] drivers/gpu/pvr/services4/srvkm/common/devicemem.c:1949:22: warning: variable 'psDeviceNode' set but not used
Date: Wed, 20 May 2020 09:00:22 +0800 [thread overview]
Message-ID: <20200520010022.GC3101@intel.com> (raw)
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tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-android-linux-4.19.y
head: bbd2d7e083faf8b0168f9885d1abf5012b5f610a
commit: ad863d48d21ef495a51194e580b1f71edd11aa09 [6022/18941] drivers: pvr: Fix build failure due to missing config_kernel.h
config: xtensa-randconfig-r013-20200519 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout ad863d48d21ef495a51194e580b1f71edd11aa09
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
All error/warnings (new ones prefixed by >>, old ones prefixed by <<):
In file included from include/linux/kernel.h:10,
from drivers/gpu/pvr/include4/kernel_types.h:42,
from drivers/gpu/pvr/include4/img_types.h:46,
from drivers/gpu/pvr/include4/img_defs.h:46,
from drivers/gpu/pvr/services4/srvkm/bridged/bridged_pvr_bridge.c:48:
include/linux/dma-mapping.h: In function 'dma_map_resource':
arch/xtensa/include/asm/page.h:182:9: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
182 | ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr)
| ^~
include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
77 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
include/linux/dma-mapping.h:329:2: note: in expansion of macro 'BUG_ON'
329 | BUG_ON(pfn_valid(PHYS_PFN(phys_addr)));
| ^~~~~~
include/linux/dma-mapping.h:329:9: note: in expansion of macro 'pfn_valid'
329 | BUG_ON(pfn_valid(PHYS_PFN(phys_addr)));
| ^~~~~~~~~
drivers/gpu/pvr/services4/srvkm/bridged/bridged_pvr_bridge.c: In function 'BridgedDispatchKM':
>> drivers/gpu/pvr/services4/srvkm/bridged/bridged_pvr_bridge.c:5022:73: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
5022 | PVR_DPF((PVR_DBG_MESSAGE, "ui32BridgeID = %d Failed!!", ui32BridgeID));
| ^
--
drivers/gpu/pvr/services4/srvkm/common/devicemem.c: In function 'PVRSRVMapDmaBufKM':
>> drivers/gpu/pvr/services4/srvkm/common/devicemem.c:1949:22: warning: variable 'psDeviceNode' set but not used [-Wunused-but-set-variable]
1949 | PVRSRV_DEVICE_NODE *psDeviceNode;
| ^~~~~~~~~~~~
--
drivers/gpu/pvr/services4/srvkm/devices/sgx/sgxinit.c: In function 'SGXInitialise':
>> drivers/gpu/pvr/services4/srvkm/devices/sgx/sgxinit.c:540:20: warning: variable 'bFirstTime' set but not used [-Wunused-but-set-variable]
540 | static IMG_BOOL bFirstTime = IMG_TRUE;
| ^~~~~~~~~~
drivers/gpu/pvr/services4/srvkm/devices/sgx/sgxinit.c: In function 'SGXGetMiscInfoKM':
>> drivers/gpu/pvr/services4/srvkm/devices/sgx/sgxinit.c:2984:14: warning: variable 'pui32MiscInfoFlags' set but not used [-Wunused-but-set-variable]
2984 | IMG_UINT32 *pui32MiscInfoFlags;
| ^~~~~~~~~~~~~~~~~~
--
drivers/gpu/pvr/services4/srvkm/env/linux/dma_fence_sync_native_server.c: In function 'SyncSWTimelineFenceCreateKM':
>> drivers/gpu/pvr/services4/srvkm/env/linux/dma_fence_sync_native_server.c:26:15: warning: variable 'eError' set but not used [-Wunused-but-set-variable]
26 | PVRSRV_ERROR eError;
| ^~~~~~
--
In file included from drivers/gpu/pvr/services4/srvkm/env/linux/mmap.c:84:
>> drivers/gpu/pvr/services4/srvkm/env/linux/mutils.h:73:4: error: #error Unsupported architecture!
73 | #error Unsupported architecture!
| ^~~~~
In file included from include/linux/mmzone.h:21,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from drivers/gpu/pvr/services4/srvkm/env/linux/mmap.c:50:
drivers/gpu/pvr/services4/srvkm/env/linux/mmap.c: In function 'DoMapToUser':
arch/xtensa/include/asm/page.h:182:9: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
182 | ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr)
| ^~
>> drivers/gpu/pvr/services4/srvkm/env/linux/mmap.c:738:9: note: in expansion of macro 'pfn_valid'
738 | if (!pfn_valid(pfn))
| ^~~~~~~~~
drivers/gpu/pvr/services4/srvkm/env/linux/mmap.c: In function 'MMapVAccess':
arch/xtensa/include/asm/page.h:182:9: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
182 | ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr)
| ^~
drivers/gpu/pvr/services4/srvkm/env/linux/mmap.c:960:8: note: in expansion of macro 'pfn_valid'
960 | if (!pfn_valid(pfn))
| ^~~~~~~~~
--
In file included from drivers/gpu/pvr/services4/srvkm/env/linux/mm.c:78:
>> drivers/gpu/pvr/services4/srvkm/env/linux/mutils.h:73:4: error: #error Unsupported architecture!
73 | #error Unsupported architecture!
| ^~~~~
--
>> drivers/gpu/pvr/services4/srvkm/env/linux/osfunc.c:56:10: fatal error: asm/set_memory.h: No such file or directory
56 | #include <asm/set_memory.h>
| ^~~~~~~~~~~~~~~~~~
compilation terminated.
git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
git remote update ti
git checkout ad863d48d21ef495a51194e580b1f71edd11aa09
vim +73 drivers/gpu/pvr/services4/srvkm/env/linux/mutils.h
d2d3c94cd4280d Andrew F. Davis 2018-04-04 59
d2d3c94cd4280d Andrew F. Davis 2018-04-04 60 #if defined(SUPPORT_LINUX_X86_PAT)
d2d3c94cd4280d Andrew F. Davis 2018-04-04 61 pgprot_t pvr_pgprot_writecombine(pgprot_t prot);
d2d3c94cd4280d Andrew F. Davis 2018-04-04 62 #define PGPROT_WC(pv) pvr_pgprot_writecombine(pv)
d2d3c94cd4280d Andrew F. Davis 2018-04-04 63 #else
d2d3c94cd4280d Andrew F. Davis 2018-04-04 64 #if defined(__arm__) || defined(__aarch64__) || defined(__sh__)
d2d3c94cd4280d Andrew F. Davis 2018-04-04 65 #define PGPROT_WC(pv) pgprot_writecombine(pv)
d2d3c94cd4280d Andrew F. Davis 2018-04-04 66 #elif defined(__mips__)
d2d3c94cd4280d Andrew F. Davis 2018-04-04 67 #define PGPROT_WC(pv) pgprot_writecombine(pv)
d2d3c94cd4280d Andrew F. Davis 2018-04-04 68 #elif defined(__i386__) || defined(__x86_64)
d2d3c94cd4280d Andrew F. Davis 2018-04-04 69 /* PAT support supersedes this */
d2d3c94cd4280d Andrew F. Davis 2018-04-04 70 #define PGPROT_WC(pv) pgprot_noncached(pv)
d2d3c94cd4280d Andrew F. Davis 2018-04-04 71 #else
d2d3c94cd4280d Andrew F. Davis 2018-04-04 72 #define PGPROT_WC(pv) pgprot_noncached(pv)
d2d3c94cd4280d Andrew F. Davis 2018-04-04 @73 #error Unsupported architecture!
d2d3c94cd4280d Andrew F. Davis 2018-04-04 74 #endif
d2d3c94cd4280d Andrew F. Davis 2018-04-04 75 #endif
d2d3c94cd4280d Andrew F. Davis 2018-04-04 76
:::::: The code at line 73 was first introduced by commit
:::::: d2d3c94cd4280d63c08c5039be4bf2372f9b2421 drivers: gpu: Add PowerVR SGX544 driver
:::::: TO: Andrew F. Davis <afd@ti.com>
:::::: CC: Praneeth Bajjuri <praneeth@ti.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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