[luto:x86/kentry 11/11] kernel/entry/common.c:60:6: warning: no previous prototype for 'kentry_assert_may_instrument'

[luto:x86/kentry 11/11] kernel/entry/common.c:60:6: warning: no previous prototype for 'kentry_assert_may_instrument'

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/kentry
head:   e527b2f058012d5228c1215da0a7535e7c1bb923
commit: e527b2f058012d5228c1215da0a7535e7c1bb923 [11/11] kentry: Verify kentry state in instrumentation_begin/end()
config: i386-randconfig-m021-20210503 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/commit/?id=e527b2f058012d5228c1215da0a7535e7c1bb923
        git remote add luto https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git
        git fetch --no-tags luto x86/kentry
        git checkout e527b2f058012d5228c1215da0a7535e7c1bb923
        # save the attached .config to linux build tree
        make W=1 W=1 ARCH=i386 

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

All warnings (new ones prefixed by >>):

>> kernel/entry/common.c:60:6: warning: no previous prototype for 'kentry_assert_may_instrument' [-Wmissing-prototypes]
      60 | void kentry_assert_may_instrument(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/kentry_assert_may_instrument +60 kernel/entry/common.c

    59	
  > 60	void kentry_assert_may_instrument(void)
    61	{
    62		DEBUG_ENTRY_WARN_ONCE(this_cpu_read(kentry_cpu_depth) == 0, "instrumentable code is running in the wrong kentry state");
    63	}
    64	EXPORT_SYMBOL_GPL(kentry_assert_may_instrument);
    65	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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[luto:x86/kentry 11/11] kernel/entry/common.c:60:6: warning: no previous prototype for 'kentry_assert_may_instrument'

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/kentry
head:   fb951a475a1cd1e5e280ee8b4ce64a6a68c77b64
commit: fb951a475a1cd1e5e280ee8b4ce64a6a68c77b64 [11/11] kentry: Verify kentry state in instrumentation_begin/end()
config: i386-randconfig-p002-20210518 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/commit/?id=fb951a475a1cd1e5e280ee8b4ce64a6a68c77b64
        git remote add luto https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git
        git fetch --no-tags luto x86/kentry
        git checkout fb951a475a1cd1e5e280ee8b4ce64a6a68c77b64
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All warnings (new ones prefixed by >>):

>> kernel/entry/common.c:60:6: warning: no previous prototype for 'kentry_assert_may_instrument' [-Wmissing-prototypes]
      60 | void kentry_assert_may_instrument(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/kentry_assert_may_instrument +60 kernel/entry/common.c

    59	
  > 60	void kentry_assert_may_instrument(void)
    61	{
    62		DEBUG_ENTRY_WARN_ONCE(this_cpu_read(kentry_cpu_depth) == 0, "instrumentable code is running in the wrong kentry state");
    63	}
    64	EXPORT_SYMBOL_GPL(kentry_assert_may_instrument);
    65	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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