[jimc:ksyms-tune 5/6] scripts/kallsyms.c:49:27: warning: variable '_text' set but not used

[jimc:ksyms-tune 5/6] scripts/kallsyms.c:49:27: warning: variable '_text' set but not used

[kernel test robot]

tree:   https://github.com/jimc/linux.git ksyms-tune
head:   bc5ee628d6230f6c491f1b868aa7a201bf2ee513
commit: 06196ddaa223ca1846bf133c6c24e1db2a82a962 [5/6] kallsyms: Pack symbols into fixed-length buckets to drop length prefixes
config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20260914/202609141829.cQCchGgp-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 148ee2b266b73a49f1f31d0bd17d4818b91bee9f)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260914/202609141829.cQCchGgp-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/202609141829.cQCchGgp-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> scripts/kallsyms.c:49:27: warning: variable '_text' set but not used [-Wunused-but-set-global]
      49 | static unsigned long long _text;
         |                           ^
   1 warning generated.
   arch/riscv/kernel/vdso/vdso.so.dbg: dynamic relocations are not supported
   make[3]: *** [arch/riscv/kernel/vdso/Makefile:78: arch/riscv/kernel/vdso/vdso.so.dbg] Error 1
   make[3]: Target 'include/generated/vdso-offsets.h' not remade because of errors.
   make[2]: *** [arch/riscv/Makefile:156: vdso_prepare] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +/_text +49 scripts/kallsyms.c

17b1f0de79dbdf Mike Frysinger 2009-06-08  48  
17b1f0de79dbdf Mike Frysinger 2009-06-08 @49  static unsigned long long _text;
78eb71594b3265 Kees Cook      2014-03-17  50  static struct addr_range text_ranges[] = {
17b1f0de79dbdf Mike Frysinger 2009-06-08  51  	{ "_stext",     "_etext"     },
17b1f0de79dbdf Mike Frysinger 2009-06-08  52  	{ "_sinittext", "_einittext" },
17b1f0de79dbdf Mike Frysinger 2009-06-08  53  };
17b1f0de79dbdf Mike Frysinger 2009-06-08  54  #define text_range_text     (&text_ranges[0])
17b1f0de79dbdf Mike Frysinger 2009-06-08  55  #define text_range_inittext (&text_ranges[1])
17b1f0de79dbdf Mike Frysinger 2009-06-08  56  

:::::: The code at line 49 was first introduced by commit
:::::: 17b1f0de79dbdf5cfb2686b63a7fb9ecc440da7c kallsyms: generalize text region handling

:::::: TO: Mike Frysinger <vapier@gentoo.org>
:::::: CC: Sam Ravnborg <sam@ravnborg.org>

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