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Date: Sat, 2 Mar 2024 16:19:58 +0800
From: kernel test robot <lkp@intel.com>
To: Brian Gerst <brgerst@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
	x86@kernel.org, Ingo Molnar <mingo@kernel.org>
Subject: [tip:x86/boot 9/9] arch/x86/include/asm/desc.h:54:16: sparse:
 sparse: incorrect type in initializer (different address spaces)
Message-ID: <202403021605.gg6Sr3yI-lkp@intel.com>
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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/boot
head:   721f791ce1cddfa5f2bf524ac14741bfa0f72697
commit: 11e36b0f7c2150a6453872b79555767b43c846d0 [9/9] x86/boot/64: Load the final kernel GDT during early boot directly, remove startup_gdt[]
config: x86_64-randconfig-121-20240301 (https://download.01.org/0day-ci/archive/20240302/202403021605.gg6Sr3yI-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240302/202403021605.gg6Sr3yI-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/202403021605.gg6Sr3yI-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)


vim +54 arch/x86/include/asm/desc.h

a939098afcfa5f include/asm-x86/desc.h      Glauber Costa  2008-05-28  50  
69218e47994da6 arch/x86/include/asm/desc.h Thomas Garnier 2017-03-14  51  /* Provide the original GDT */
69218e47994da6 arch/x86/include/asm/desc.h Thomas Garnier 2017-03-14  52  static inline struct desc_struct *get_cpu_gdt_rw(unsigned int cpu)
a939098afcfa5f include/asm-x86/desc.h      Glauber Costa  2008-05-28  53  {
a939098afcfa5f include/asm-x86/desc.h      Glauber Costa  2008-05-28 @54  	return per_cpu(gdt_page, cpu).gdt;
a939098afcfa5f include/asm-x86/desc.h      Glauber Costa  2008-05-28  55  }
a939098afcfa5f include/asm-x86/desc.h      Glauber Costa  2008-05-28  56  

:::::: The code at line 54 was first introduced by commit
:::::: a939098afcfa5f81d3474782ec15c6d114e57763 x86: move x86_64 gdt closer to i386

:::::: TO: Glauber Costa <gcosta@redhat.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>

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