[jimc:dd-diet-6c2 34/36] lib/dynamic_debug.c:1457:24: sparse: sparse: non size-preserving pointer to integer cast

[jimc:dd-diet-6c2 34/36] lib/dynamic_debug.c:1457:24: sparse: sparse: non size-preserving pointer to integer cast

[kernel test robot]

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tree:   https://github.com/jimc/linux.git dd-diet-6c2
head:   c0dcfb4fa5652b5d3f9c95f797ba84f8ec6d809b
commit: d29f2fbe3a2ecb1391e1ed5271f3f0728e963759 [34/36] dyndbg: add print-once and print-ratelimited features. RFC.
config: i386-randconfig-s001-20210615 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/jimc/linux/commit/d29f2fbe3a2ecb1391e1ed5271f3f0728e963759
        git remote add jimc https://github.com/jimc/linux.git
        git fetch --no-tags jimc dd-diet-6c2
        git checkout d29f2fbe3a2ecb1391e1ed5271f3f0728e963759
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=i386 

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


sparse warnings: (new ones prefixed by >>)
   lib/dynamic_debug.c: note: in included file (through include/linux/printk.h, include/linux/kernel.h):
   include/linux/dynamic_debug.h:336:1: sparse: sparse: symbol '_LINKONCE_dyndbg_header' was not declared. Should it be static?
   include/linux/dynamic_debug.h:336:1: sparse: sparse: symbol '_LINKONCE_dyndbg_site_header' was not declared. Should it be static?
>> lib/dynamic_debug.c:1457:24: sparse: sparse: non size-preserving pointer to integer cast

vim +1457 lib/dynamic_debug.c

  1450	
  1451	/*
  1452	 * called when enabled callsite has _DPRINTK_FLAGS_RATELIMITED flag
  1453	 * set (echo +pr >control), it hashes on &table-header+index
  1454	 */
  1455	static struct dd_ratelimit * dd_rl_fetch(struct _ddebug *desc)
  1456	{
> 1457		u64 key = (u64)desc;

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

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