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* [linux-next:master 7435/9209] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index()
@ 2021-06-11 16:08 ` kernel test robot
  0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2021-06-11 16:08 UTC (permalink / raw)
  To: Hyeonggon Yoo
  Cc: kbuild-all, Linux Memory Management List, Vlastimil Babka, Andrew Morton

[-- Attachment #1: Type: text/plain, Size: 4209 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   25fe90f43fa312213b653dc1f12fd2d80f855883
commit: df2de13a32afec989c0e735beb3bc391b3de1dbd [7435/9209] mm, slub: change run-time assertion in kmalloc_index() to compile-time
config: sparc-randconfig-r005-20210611 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=df2de13a32afec989c0e735beb3bc391b3de1dbd
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout df2de13a32afec989c0e735beb3bc391b3de1dbd
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 

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

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   In function 'kmalloc_index',
       inlined from 'kmalloc_node' at include/linux/slab.h:572:20,
       inlined from 'bpf_map_kmalloc_node.isra.0.part.0' at include/linux/bpf.h:1319:9:
>> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index()
     328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                      ^
   include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert'
     309 |    prefix ## suffix();    \
         |    ^~~~~~
   include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
     328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/slab.h:389:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     389 |  BUILD_BUG_ON_MSG(1, "unexpected size in kmalloc_index()");
         |  ^~~~~~~~~~~~~~~~


vim +/__compiletime_assert_236 +328 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  314  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  315  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  316  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  317  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  318  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  319   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  320   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  321   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  322   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  323   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  324   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  325   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  326   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  327  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @328  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  329  

:::::: The code at line 328 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

:::::: TO: Will Deacon <will@kernel.org>
:::::: CC: Will Deacon <will@kernel.org>

---
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: 28842 bytes --]

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [linux-next:master 7435/9209] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index()
@ 2021-06-11 16:08 ` kernel test robot
  0 siblings, 0 replies; 6+ messages in thread
From: kernel test robot @ 2021-06-11 16:08 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 4280 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   25fe90f43fa312213b653dc1f12fd2d80f855883
commit: df2de13a32afec989c0e735beb3bc391b3de1dbd [7435/9209] mm, slub: change run-time assertion in kmalloc_index() to compile-time
config: sparc-randconfig-r005-20210611 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=df2de13a32afec989c0e735beb3bc391b3de1dbd
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout df2de13a32afec989c0e735beb3bc391b3de1dbd
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 

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

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   In function 'kmalloc_index',
       inlined from 'kmalloc_node' at include/linux/slab.h:572:20,
       inlined from 'bpf_map_kmalloc_node.isra.0.part.0' at include/linux/bpf.h:1319:9:
>> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index()
     328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                      ^
   include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert'
     309 |    prefix ## suffix();    \
         |    ^~~~~~
   include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
     328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/slab.h:389:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     389 |  BUILD_BUG_ON_MSG(1, "unexpected size in kmalloc_index()");
         |  ^~~~~~~~~~~~~~~~


vim +/__compiletime_assert_236 +328 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  314  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  315  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  316  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  317  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  318  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  319   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  320   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  321   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  322   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  323   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  324   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  325   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  326   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  327  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @328  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  329  

:::::: The code at line 328 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

:::::: TO: Will Deacon <will@kernel.org>
:::::: CC: Will Deacon <will@kernel.org>

---
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: 28842 bytes --]

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [linux-next:master 7435/9209] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index()
  2021-06-11 16:08 ` kernel test robot
@ 2021-06-11 23:10   ` Andrew Morton
  -1 siblings, 0 replies; 6+ messages in thread
From: Andrew Morton @ 2021-06-11 23:10 UTC (permalink / raw)
  To: kernel test robot
  Cc: Hyeonggon Yoo, kbuild-all, Linux Memory Management List, Vlastimil Babka

On Sat, 12 Jun 2021 00:08:43 +0800 kernel test robot <lkp@intel.com> wrote:

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   25fe90f43fa312213b653dc1f12fd2d80f855883
> commit: df2de13a32afec989c0e735beb3bc391b3de1dbd [7435/9209] mm, slub: change run-time assertion in kmalloc_index() to compile-time
> config: sparc-randconfig-r005-20210611 (attached as .config)
> compiler: sparc64-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=df2de13a32afec989c0e735beb3bc391b3de1dbd
>         git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>         git fetch --no-tags linux-next master
>         git checkout df2de13a32afec989c0e735beb3bc391b3de1dbd
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from <command-line>:
>    In function 'kmalloc_index',
>        inlined from 'kmalloc_node' at include/linux/slab.h:572:20,
>        inlined from 'bpf_map_kmalloc_node.isra.0.part.0' at include/linux/bpf.h:1319:9:
> >> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index()
>      328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>          |                                      ^
>    include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert'
>      309 |    prefix ## suffix();    \
>          |    ^~~~~~
>    include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
>      328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>          |  ^~~~~~~~~~~~~~~~~~~
>    include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
>       39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
>          |                                     ^~~~~~~~~~~~~~~~~~
>    include/linux/slab.h:389:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
>      389 |  BUILD_BUG_ON_MSG(1, "unexpected size in kmalloc_index()");
>          |  ^~~~~~~~~~~~~~~~
>

This log doesn't show which .c file was being compiled at the time. 
Can this info be included?

For me, it was kernel/bpf/local_storage.c.

I don't see anything wrong with the code.  Did this gcc simply screw up
__builtin_constant_p()?





^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [linux-next:master 7435/9209] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index()
@ 2021-06-11 23:10   ` Andrew Morton
  0 siblings, 0 replies; 6+ messages in thread
From: Andrew Morton @ 2021-06-11 23:10 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 2897 bytes --]

On Sat, 12 Jun 2021 00:08:43 +0800 kernel test robot <lkp@intel.com> wrote:

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   25fe90f43fa312213b653dc1f12fd2d80f855883
> commit: df2de13a32afec989c0e735beb3bc391b3de1dbd [7435/9209] mm, slub: change run-time assertion in kmalloc_index() to compile-time
> config: sparc-randconfig-r005-20210611 (attached as .config)
> compiler: sparc64-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=df2de13a32afec989c0e735beb3bc391b3de1dbd
>         git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>         git fetch --no-tags linux-next master
>         git checkout df2de13a32afec989c0e735beb3bc391b3de1dbd
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from <command-line>:
>    In function 'kmalloc_index',
>        inlined from 'kmalloc_node' at include/linux/slab.h:572:20,
>        inlined from 'bpf_map_kmalloc_node.isra.0.part.0' at include/linux/bpf.h:1319:9:
> >> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index()
>      328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>          |                                      ^
>    include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert'
>      309 |    prefix ## suffix();    \
>          |    ^~~~~~
>    include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
>      328 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>          |  ^~~~~~~~~~~~~~~~~~~
>    include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
>       39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
>          |                                     ^~~~~~~~~~~~~~~~~~
>    include/linux/slab.h:389:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
>      389 |  BUILD_BUG_ON_MSG(1, "unexpected size in kmalloc_index()");
>          |  ^~~~~~~~~~~~~~~~
>

This log doesn't show which .c file was being compiled at the time. 
Can this info be included?

For me, it was kernel/bpf/local_storage.c.

I don't see anything wrong with the code.  Did this gcc simply screw up
__builtin_constant_p()?



^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [linux-next:master 7435/9209] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index()
  2021-06-11 23:10   ` Andrew Morton
@ 2021-06-11 23:49     ` Hyeonggon Yoo
  -1 siblings, 0 replies; 6+ messages in thread
From: Hyeonggon Yoo @ 2021-06-11 23:49 UTC (permalink / raw)
  To: Andrew Morton
  Cc: kernel test robot, kbuild-all, Linux Memory Management List,
	Vlastimil Babka

[-- Attachment #1: Type: text/plain, Size: 3283 bytes --]

On Sat, Jun 12, 2021, 8:10 AM Andrew Morton <akpm@linux-foundation.org>
wrote:

> On Sat, 12 Jun 2021 00:08:43 +0800 kernel test robot <lkp@intel.com>
> wrote:
>
> > tree:
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> > head:   25fe90f43fa312213b653dc1f12fd2d80f855883
> > commit: df2de13a32afec989c0e735beb3bc391b3de1dbd [7435/9209] mm, slub:
> change run-time assertion in kmalloc_index() to compile-time
> > config: sparc-randconfig-r005-20210611 (attached as .config)
> > compiler: sparc64-linux-gcc (GCC) 9.3.0
> > reproduce (this is a W=1 build):
> >         wget
> https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross
> -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         #
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=df2de13a32afec989c0e735beb3bc391b3de1dbd
> >         git remote add linux-next
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> >         git fetch --no-tags linux-next master
> >         git checkout df2de13a32afec989c0e735beb3bc391b3de1dbd
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
> ARCH=sparc
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@intel.com>
> >
> > All errors (new ones prefixed by >>):
> >
> >    In file included from <command-line>:
> >    In function 'kmalloc_index',
> >        inlined from 'kmalloc_node' at include/linux/slab.h:572:20,
> >        inlined from 'bpf_map_kmalloc_node.isra.0.part.0' at
> include/linux/bpf.h:1319:9:
> > >> include/linux/compiler_types.h:328:38: error: call to
> '__compiletime_assert_236' declared with attribute error: unexpected size
> in kmalloc_index()
> >      328 |  _compiletime_assert(condition, msg, __compiletime_assert_,
> __COUNTER__)
> >          |                                      ^
> >    include/linux/compiler_types.h:309:4: note: in definition of macro
> '__compiletime_assert'
> >      309 |    prefix ## suffix();    \
> >          |    ^~~~~~
> >    include/linux/compiler_types.h:328:2: note: in expansion of macro
> '_compiletime_assert'
> >      328 |  _compiletime_assert(condition, msg, __compiletime_assert_,
> __COUNTER__)
> >          |  ^~~~~~~~~~~~~~~~~~~
> >    include/linux/build_bug.h:39:37: note: in expansion of macro
> 'compiletime_assert'
> >       39 | #define BUILD_BUG_ON_MSG(cond, msg)
> compiletime_assert(!(cond), msg)
> >          |                                     ^~~~~~~~~~~~~~~~~~
> >    include/linux/slab.h:389:2: note: in expansion of macro
> 'BUILD_BUG_ON_MSG'
> >      389 |  BUILD_BUG_ON_MSG(1, "unexpected size in kmalloc_index()");
> >          |  ^~~~~~~~~~~~~~~~
> >
>
> This log doesn't show which .c file was being compiled at the time.
> Can this info be included?
>
> For me, it was kernel/bpf/local_storage.c.
>

Yes. the file It is kernel/bpf/local_storage.c

>

> I don't see anything wrong with the code.  Did this gcc simply screw up
> __builtin_constant_p()?


It seems there is false positive when CONFIG_PROFILE_ALL_BRANCHES=y

See this:
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org/thread/45UNTPJX7VUKLB6TUYPJOS7DMREVW5US/

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [linux-next:master 7435/9209] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index()
@ 2021-06-11 23:49     ` Hyeonggon Yoo
  0 siblings, 0 replies; 6+ messages in thread
From: Hyeonggon Yoo @ 2021-06-11 23:49 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 3367 bytes --]

On Sat, Jun 12, 2021, 8:10 AM Andrew Morton <akpm@linux-foundation.org>
wrote:

> On Sat, 12 Jun 2021 00:08:43 +0800 kernel test robot <lkp@intel.com>
> wrote:
>
> > tree:
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> > head:   25fe90f43fa312213b653dc1f12fd2d80f855883
> > commit: df2de13a32afec989c0e735beb3bc391b3de1dbd [7435/9209] mm, slub:
> change run-time assertion in kmalloc_index() to compile-time
> > config: sparc-randconfig-r005-20210611 (attached as .config)
> > compiler: sparc64-linux-gcc (GCC) 9.3.0
> > reproduce (this is a W=1 build):
> >         wget
> https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross
> -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         #
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=df2de13a32afec989c0e735beb3bc391b3de1dbd
> >         git remote add linux-next
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> >         git fetch --no-tags linux-next master
> >         git checkout df2de13a32afec989c0e735beb3bc391b3de1dbd
> >         # save the attached .config to linux build tree
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
> ARCH=sparc
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@intel.com>
> >
> > All errors (new ones prefixed by >>):
> >
> >    In file included from <command-line>:
> >    In function 'kmalloc_index',
> >        inlined from 'kmalloc_node' at include/linux/slab.h:572:20,
> >        inlined from 'bpf_map_kmalloc_node.isra.0.part.0' at
> include/linux/bpf.h:1319:9:
> > >> include/linux/compiler_types.h:328:38: error: call to
> '__compiletime_assert_236' declared with attribute error: unexpected size
> in kmalloc_index()
> >      328 |  _compiletime_assert(condition, msg, __compiletime_assert_,
> __COUNTER__)
> >          |                                      ^
> >    include/linux/compiler_types.h:309:4: note: in definition of macro
> '__compiletime_assert'
> >      309 |    prefix ## suffix();    \
> >          |    ^~~~~~
> >    include/linux/compiler_types.h:328:2: note: in expansion of macro
> '_compiletime_assert'
> >      328 |  _compiletime_assert(condition, msg, __compiletime_assert_,
> __COUNTER__)
> >          |  ^~~~~~~~~~~~~~~~~~~
> >    include/linux/build_bug.h:39:37: note: in expansion of macro
> 'compiletime_assert'
> >       39 | #define BUILD_BUG_ON_MSG(cond, msg)
> compiletime_assert(!(cond), msg)
> >          |                                     ^~~~~~~~~~~~~~~~~~
> >    include/linux/slab.h:389:2: note: in expansion of macro
> 'BUILD_BUG_ON_MSG'
> >      389 |  BUILD_BUG_ON_MSG(1, "unexpected size in kmalloc_index()");
> >          |  ^~~~~~~~~~~~~~~~
> >
>
> This log doesn't show which .c file was being compiled at the time.
> Can this info be included?
>
> For me, it was kernel/bpf/local_storage.c.
>

Yes. the file It is kernel/bpf/local_storage.c

>

> I don't see anything wrong with the code.  Did this gcc simply screw up
> __builtin_constant_p()?


It seems there is false positive when CONFIG_PROFILE_ALL_BRANCHES=y

See this:
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org/thread/45UNTPJX7VUKLB6TUYPJOS7DMREVW5US/

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^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2021-06-11 23:49 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-06-11 16:08 [linux-next:master 7435/9209] include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_236' declared with attribute error: unexpected size in kmalloc_index() kernel test robot
2021-06-11 16:08 ` kernel test robot
2021-06-11 23:10 ` Andrew Morton
2021-06-11 23:10   ` Andrew Morton
2021-06-11 23:49   ` Hyeonggon Yoo
2021-06-11 23:49     ` Hyeonggon Yoo

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