[tip:x86/core 13/22] arch/x86/include/asm/processor.h:698:16: sparse: sparse: incorrect type in initializer (different address spaces)

From: kernel test robot
Date: Mon Oct 16 2023 - 13:06:03 EST


Hi Thomas,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
head: 92fe9bb77b0c9fade150350fdb0629a662f0923f
commit: 6e29032340b60f7aa7475c8234b17273e4424007 [13/22] x86/cpu: Move cpu_l[l2]c_id into topology info
config: x86_64-randconfig-122-20231016 (https://download.01.org/0day-ci/archive/20231017/202310170010.yzc9t6Bd-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231017/202310170010.yzc9t6Bd-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310170010.yzc9t6Bd-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
arch/x86/events/amd/uncore.c: note: in included file (through arch/x86/include/asm/cpufeature.h, arch/x86/include/asm/thread_info.h, include/linux/thread_info.h, ...):
>> arch/x86/include/asm/processor.h:698:16: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned int * @@
arch/x86/include/asm/processor.h:698:16: sparse: expected void const [noderef] __percpu *__vpp_verify
arch/x86/include/asm/processor.h:698:16: sparse: got unsigned int *

vim +698 arch/x86/include/asm/processor.h

695
696 static inline u16 per_cpu_llc_id(unsigned int cpu)
697 {
> 698 return per_cpu(cpu_info.topo.llc_id, cpu);
699 }
700

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