* arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr'
@ 2023-09-20 19:39 kernel test robot
2023-09-22 12:32 ` Christophe Leroy
0 siblings, 1 reply; 4+ messages in thread
From: kernel test robot @ 2023-09-20 19:39 UTC (permalink / raw)
To: Christophe Leroy
Cc: llvm, oe-kbuild-all, linux-kernel, Michael Ellerman,
Arnd Bergmann
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a229cf67ab851a6e92395f37ed141d065176575a
commit: ca13c130a43fe3ab625d22ada0a61e5c0b612229 powerpc/4xx: Remove WatchdogHandler() to fix no previous prototype error
date: 5 weeks ago
config: powerpc-kilauea_defconfig (https://download.01.org/0day-ci/archive/20230921/202309210327.WkqSd5Bq-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230921/202309210327.WkqSd5Bq-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/202309210327.WkqSd5Bq-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr' [-Werror,-Wunused-function]
1167 | static inline int __parse_fpscr(unsigned long fpscr)
| ^
1 error generated.
vim +/__parse_fpscr +1167 arch/powerpc/kernel/traps.c
14cf11af6cf608 Paul Mackerras 2005-09-26 1166
5fad293bcbd48d Kumar Gala 2007-02-07 @1167 static inline int __parse_fpscr(unsigned long fpscr)
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1168 {
aeb1c0f6ff18f5 Eric W. Biederman 2018-04-17 1169 int ret = FPE_FLTUNK;
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1170
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1171 /* Invalid operation */
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1172 if ((fpscr & FPSCR_VE) && (fpscr & FPSCR_VX))
5fad293bcbd48d Kumar Gala 2007-02-07 1173 ret = FPE_FLTINV;
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1174
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1175 /* Overflow */
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1176 else if ((fpscr & FPSCR_OE) && (fpscr & FPSCR_OX))
5fad293bcbd48d Kumar Gala 2007-02-07 1177 ret = FPE_FLTOVF;
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1178
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1179 /* Underflow */
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1180 else if ((fpscr & FPSCR_UE) && (fpscr & FPSCR_UX))
5fad293bcbd48d Kumar Gala 2007-02-07 1181 ret = FPE_FLTUND;
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1182
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1183 /* Divide by zero */
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1184 else if ((fpscr & FPSCR_ZE) && (fpscr & FPSCR_ZX))
5fad293bcbd48d Kumar Gala 2007-02-07 1185 ret = FPE_FLTDIV;
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1186
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1187 /* Inexact result */
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1188 else if ((fpscr & FPSCR_XE) && (fpscr & FPSCR_XX))
5fad293bcbd48d Kumar Gala 2007-02-07 1189 ret = FPE_FLTRES;
5fad293bcbd48d Kumar Gala 2007-02-07 1190
5fad293bcbd48d Kumar Gala 2007-02-07 1191 return ret;
5fad293bcbd48d Kumar Gala 2007-02-07 1192 }
5fad293bcbd48d Kumar Gala 2007-02-07 1193
:::::: The code at line 1167 was first introduced by commit
:::::: 5fad293bcbd48d9a2370020cf60e4b4a42559b12 [POWERPC] Fixup error handling when emulating a floating point instruction
:::::: TO: Kumar Gala <galak@kernel.crashing.org>
:::::: CC: Kumar Gala <galak@kernel.crashing.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr'
2023-09-20 19:39 kernel test robot
@ 2023-09-22 12:32 ` Christophe Leroy
0 siblings, 0 replies; 4+ messages in thread
From: Christophe Leroy @ 2023-09-22 12:32 UTC (permalink / raw)
To: kernel test robot
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
linux-kernel@vger.kernel.org, Michael Ellerman, Arnd Bergmann
Le 20/09/2023 à 21:39, kernel test robot a écrit :
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: a229cf67ab851a6e92395f37ed141d065176575a
> commit: ca13c130a43fe3ab625d22ada0a61e5c0b612229 powerpc/4xx: Remove WatchdogHandler() to fix no previous prototype error
Problem already exists before that commit.
Problem was introduced by commit Fixes: b6254ced4da6 ("powerpc/signal:
Don't manage floating point regs when no FPU")
Christophe
> date: 5 weeks ago
> config: powerpc-kilauea_defconfig (https://download.01.org/0day-ci/archive/20230921/202309210327.WkqSd5Bq-lkp@intel.com/config)
> compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230921/202309210327.WkqSd5Bq-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/202309210327.WkqSd5Bq-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
>>> arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr' [-Werror,-Wunused-function]
> 1167 | static inline int __parse_fpscr(unsigned long fpscr)
> | ^
> 1 error generated.
>
>
> vim +/__parse_fpscr +1167 arch/powerpc/kernel/traps.c
>
> 14cf11af6cf608 Paul Mackerras 2005-09-26 1166
> 5fad293bcbd48d Kumar Gala 2007-02-07 @1167 static inline int __parse_fpscr(unsigned long fpscr)
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1168 {
> aeb1c0f6ff18f5 Eric W. Biederman 2018-04-17 1169 int ret = FPE_FLTUNK;
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1170
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1171 /* Invalid operation */
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1172 if ((fpscr & FPSCR_VE) && (fpscr & FPSCR_VX))
> 5fad293bcbd48d Kumar Gala 2007-02-07 1173 ret = FPE_FLTINV;
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1174
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1175 /* Overflow */
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1176 else if ((fpscr & FPSCR_OE) && (fpscr & FPSCR_OX))
> 5fad293bcbd48d Kumar Gala 2007-02-07 1177 ret = FPE_FLTOVF;
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1178
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1179 /* Underflow */
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1180 else if ((fpscr & FPSCR_UE) && (fpscr & FPSCR_UX))
> 5fad293bcbd48d Kumar Gala 2007-02-07 1181 ret = FPE_FLTUND;
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1182
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1183 /* Divide by zero */
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1184 else if ((fpscr & FPSCR_ZE) && (fpscr & FPSCR_ZX))
> 5fad293bcbd48d Kumar Gala 2007-02-07 1185 ret = FPE_FLTDIV;
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1186
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1187 /* Inexact result */
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1188 else if ((fpscr & FPSCR_XE) && (fpscr & FPSCR_XX))
> 5fad293bcbd48d Kumar Gala 2007-02-07 1189 ret = FPE_FLTRES;
> 5fad293bcbd48d Kumar Gala 2007-02-07 1190
> 5fad293bcbd48d Kumar Gala 2007-02-07 1191 return ret;
> 5fad293bcbd48d Kumar Gala 2007-02-07 1192 }
> 5fad293bcbd48d Kumar Gala 2007-02-07 1193
>
> :::::: The code at line 1167 was first introduced by commit
> :::::: 5fad293bcbd48d9a2370020cf60e4b4a42559b12 [POWERPC] Fixup error handling when emulating a floating point instruction
>
> :::::: TO: Kumar Gala <galak@kernel.crashing.org>
> :::::: CC: Kumar Gala <galak@kernel.crashing.org>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr'
@ 2023-09-30 13:40 kernel test robot
2023-09-30 15:57 ` Christophe Leroy
0 siblings, 1 reply; 4+ messages in thread
From: kernel test robot @ 2023-09-30 13:40 UTC (permalink / raw)
To: Christophe Leroy
Cc: llvm, oe-kbuild-all, linux-kernel, Michael Ellerman,
Arnd Bergmann
Hi Christophe,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9f3ebbef746f89f860a90ced99a359202ea86fde
commit: ca13c130a43fe3ab625d22ada0a61e5c0b612229 powerpc/4xx: Remove WatchdogHandler() to fix no previous prototype error
date: 6 weeks ago
config: powerpc-kilauea_defconfig (https://download.01.org/0day-ci/archive/20230930/202309302131.bsuutuxs-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230930/202309302131.bsuutuxs-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/202309302131.bsuutuxs-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr' [-Werror,-Wunused-function]
1167 | static inline int __parse_fpscr(unsigned long fpscr)
| ^
1 error generated.
vim +/__parse_fpscr +1167 arch/powerpc/kernel/traps.c
14cf11af6cf608 Paul Mackerras 2005-09-26 1166
5fad293bcbd48d Kumar Gala 2007-02-07 @1167 static inline int __parse_fpscr(unsigned long fpscr)
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1168 {
aeb1c0f6ff18f5 Eric W. Biederman 2018-04-17 1169 int ret = FPE_FLTUNK;
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1170
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1171 /* Invalid operation */
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1172 if ((fpscr & FPSCR_VE) && (fpscr & FPSCR_VX))
5fad293bcbd48d Kumar Gala 2007-02-07 1173 ret = FPE_FLTINV;
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1174
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1175 /* Overflow */
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1176 else if ((fpscr & FPSCR_OE) && (fpscr & FPSCR_OX))
5fad293bcbd48d Kumar Gala 2007-02-07 1177 ret = FPE_FLTOVF;
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1178
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1179 /* Underflow */
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1180 else if ((fpscr & FPSCR_UE) && (fpscr & FPSCR_UX))
5fad293bcbd48d Kumar Gala 2007-02-07 1181 ret = FPE_FLTUND;
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1182
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1183 /* Divide by zero */
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1184 else if ((fpscr & FPSCR_ZE) && (fpscr & FPSCR_ZX))
5fad293bcbd48d Kumar Gala 2007-02-07 1185 ret = FPE_FLTDIV;
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1186
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1187 /* Inexact result */
dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1188 else if ((fpscr & FPSCR_XE) && (fpscr & FPSCR_XX))
5fad293bcbd48d Kumar Gala 2007-02-07 1189 ret = FPE_FLTRES;
5fad293bcbd48d Kumar Gala 2007-02-07 1190
5fad293bcbd48d Kumar Gala 2007-02-07 1191 return ret;
5fad293bcbd48d Kumar Gala 2007-02-07 1192 }
5fad293bcbd48d Kumar Gala 2007-02-07 1193
:::::: The code at line 1167 was first introduced by commit
:::::: 5fad293bcbd48d9a2370020cf60e4b4a42559b12 [POWERPC] Fixup error handling when emulating a floating point instruction
:::::: TO: Kumar Gala <galak@kernel.crashing.org>
:::::: CC: Kumar Gala <galak@kernel.crashing.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr'
2023-09-30 13:40 arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr' kernel test robot
@ 2023-09-30 15:57 ` Christophe Leroy
0 siblings, 0 replies; 4+ messages in thread
From: Christophe Leroy @ 2023-09-30 15:57 UTC (permalink / raw)
To: kernel test robot
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
linux-kernel@vger.kernel.org, Michael Ellerman, Arnd Bergmann
Le 30/09/2023 à 15:40, kernel test robot a écrit :
> Hi Christophe,
>
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 9f3ebbef746f89f860a90ced99a359202ea86fde
> commit: ca13c130a43fe3ab625d22ada0a61e5c0b612229 powerpc/4xx: Remove WatchdogHandler() to fix no previous prototype error
> date: 6 weeks ago
> config: powerpc-kilauea_defconfig (https://download.01.org/0day-ci/archive/20230930/202309302131.bsuutuxs-lkp@intel.com/config)
> compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230930/202309302131.bsuutuxs-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/202309302131.bsuutuxs-lkp@intel.com/
>
This problem is fixes by patch
https://patchwork.ozlabs.org/project/linuxppc-dev/patch/5de2998c57f3983563b27b39228ea9a7229d4110.1695385984.git.christophe.leroy@csgroup.eu/
And it is not related to the above mentioned commit, see fixes tag in
the patch.
> All errors (new ones prefixed by >>):
>
>>> arch/powerpc/kernel/traps.c:1167:19: error: unused function '__parse_fpscr' [-Werror,-Wunused-function]
> 1167 | static inline int __parse_fpscr(unsigned long fpscr)
> | ^
> 1 error generated.
>
>
> vim +/__parse_fpscr +1167 arch/powerpc/kernel/traps.c
>
> 14cf11af6cf608 Paul Mackerras 2005-09-26 1166
> 5fad293bcbd48d Kumar Gala 2007-02-07 @1167 static inline int __parse_fpscr(unsigned long fpscr)
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1168 {
> aeb1c0f6ff18f5 Eric W. Biederman 2018-04-17 1169 int ret = FPE_FLTUNK;
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1170
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1171 /* Invalid operation */
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1172 if ((fpscr & FPSCR_VE) && (fpscr & FPSCR_VX))
> 5fad293bcbd48d Kumar Gala 2007-02-07 1173 ret = FPE_FLTINV;
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1174
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1175 /* Overflow */
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1176 else if ((fpscr & FPSCR_OE) && (fpscr & FPSCR_OX))
> 5fad293bcbd48d Kumar Gala 2007-02-07 1177 ret = FPE_FLTOVF;
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1178
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1179 /* Underflow */
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1180 else if ((fpscr & FPSCR_UE) && (fpscr & FPSCR_UX))
> 5fad293bcbd48d Kumar Gala 2007-02-07 1181 ret = FPE_FLTUND;
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1182
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1183 /* Divide by zero */
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1184 else if ((fpscr & FPSCR_ZE) && (fpscr & FPSCR_ZX))
> 5fad293bcbd48d Kumar Gala 2007-02-07 1185 ret = FPE_FLTDIV;
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1186
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1187 /* Inexact result */
> dc1c1ca3dcd94c Stephen Rothwell 2005-10-01 1188 else if ((fpscr & FPSCR_XE) && (fpscr & FPSCR_XX))
> 5fad293bcbd48d Kumar Gala 2007-02-07 1189 ret = FPE_FLTRES;
> 5fad293bcbd48d Kumar Gala 2007-02-07 1190
> 5fad293bcbd48d Kumar Gala 2007-02-07 1191 return ret;
> 5fad293bcbd48d Kumar Gala 2007-02-07 1192 }
> 5fad293bcbd48d Kumar Gala 2007-02-07 1193
>
> :::::: The code at line 1167 was first introduced by commit
> :::::: 5fad293bcbd48d9a2370020cf60e4b4a42559b12 [POWERPC] Fixup error handling when emulating a floating point instruction
>
> :::::: TO: Kumar Gala <galak@kernel.crashing.org>
> :::::: CC: Kumar Gala <galak@kernel.crashing.org>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
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2023-09-30 15:57 ` Christophe Leroy
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