[jimc:dd-diet-7a 36/37] lib/dynamic_debug.c:1485:24: sparse: sparse: non size-preserving pointer to integer cast

[jimc:dd-diet-7a 36/37] lib/dynamic_debug.c:1485:24: 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-7a
head:   f03372b06242fed45a298d29d372b9af92c795a2
commit: 5729928be52f1ce26a82e6263185f7f2f891d68e [36/37] dyndbg: add print-once and print-ratelimited features. RFC.
config: i386-randconfig-s001-20210711 (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/5729928be52f1ce26a82e6263185f7f2f891d68e
        git remote add jimc https://github.com/jimc/linux.git
        git fetch --no-tags jimc dd-diet-7a
        git checkout 5729928be52f1ce26a82e6263185f7f2f891d68e
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash

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:1485:24: sparse: sparse: non size-preserving pointer to integer cast

vim +1485 lib/dynamic_debug.c

  1478	
  1479	/*
  1480	 * called when enabled callsite has _DPRINTK_FLAGS_RATELIMITED flag
  1481	 * set (echo +pr >control), it hashes on &table-header+index
  1482	 */
  1483	static struct dd_ratelimit *dd_rl_fetch(struct _ddebug *desc)
  1484	{
> 1485		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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