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Date:   Wed, 29 Nov 2023 23:42:05 +0800
From:   kernel test robot <lkp@...el.com>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: arch/powerpc/kernel/time.c:788:9: sparse: sparse: incorrect type in
 initializer (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   18d46e76d7c2eedd8577fae67e3f1d4db25018b0
commit: 481461f5109919babbb393d6f68002936b8e2493 linux/export.h: make <linux/export.h> independent of CONFIG_MODULES
date:   4 months ago
config: powerpc-randconfig-c042-20230517 (https://download.01.org/0day-ci/archive/20231129/202311292258.2P0hVLX1-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20231129/202311292258.2P0hVLX1-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311292258.2P0hVLX1-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> arch/powerpc/kernel/time.c:788:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:788:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:788:9: sparse:     got unsigned long long *
>> arch/powerpc/kernel/time.c:788:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:788:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:788:9: sparse:     got unsigned long long *
>> arch/powerpc/kernel/time.c:788:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:788:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:788:9: sparse:     got unsigned long long *
>> arch/powerpc/kernel/time.c:788:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:788:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:788:9: sparse:     got unsigned long long *
>> arch/powerpc/kernel/time.c:788:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:788:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:788:9: sparse:     got unsigned long long *
   arch/powerpc/kernel/time.c:796:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:796:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:796:9: sparse:     got unsigned long long *
   arch/powerpc/kernel/time.c:796:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:796:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:796:9: sparse:     got unsigned long long *
   arch/powerpc/kernel/time.c:796:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:796:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:796:9: sparse:     got unsigned long long *
   arch/powerpc/kernel/time.c:796:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:796:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:796:9: sparse:     got unsigned long long *
   arch/powerpc/kernel/time.c:796:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:796:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:796:9: sparse:     got unsigned long long *
   arch/powerpc/kernel/time.c:504:24: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long long * @@
   arch/powerpc/kernel/time.c:504:24: sparse:     expected void const [noderef] __percpu *__vpp_verify
   arch/powerpc/kernel/time.c:504:24: sparse:     got unsigned long long *

vim +788 arch/powerpc/kernel/time.c

4a4cfe3836916e Tony Breeds            2007-09-22  784  
d831d0b83f2058 Tony Breeds            2007-09-21  785  static int decrementer_set_next_event(unsigned long evt,
d831d0b83f2058 Tony Breeds            2007-09-21  786  				      struct clock_event_device *dev)
d831d0b83f2058 Tony Breeds            2007-09-21  787  {
6601ec1c2ba929 Christophe Leroy       2020-09-29 @788  	__this_cpu_write(decrementers_next_tb, get_tb() + evt);
25aa145856cd0d Nicholas Piggin        2021-11-23  789  	set_dec_or_work(evt);
0215f7d8c53fb1 Benjamin Herrenschmidt 2014-01-14  790  
d831d0b83f2058 Tony Breeds            2007-09-21  791  	return 0;
d831d0b83f2058 Tony Breeds            2007-09-21  792  }
d831d0b83f2058 Tony Breeds            2007-09-21  793  

:::::: The code at line 788 was first introduced by commit
:::::: 6601ec1c2ba929430f5585ce7f9d9960b0e0a01d powerpc: Remove get_tb_or_rtc()

:::::: TO: Christophe Leroy <christophe.leroy@...roup.eu>
:::::: CC: Michael Ellerman <mpe@...erman.id.au>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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