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* [ardb:x86-startup-confine-v2 12/22] arch/x86/include/asm/sparsemem.h:29:34: warning: "pgtable_l5_enabled" is not defined, evaluates to 0
@ 2025-05-13  8:23 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-05-13  8:23 UTC (permalink / raw)
  To: Ard Biesheuvel; +Cc: oe-kbuild-all

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git x86-startup-confine-v2
head:   9bdd1226451144e8283e818eb138a7cfef93081a
commit: efdca8a96d506740f39345b534ea6fa4aa4c0ebd [12/22] x86/boot: Drop global variables keeping track of LA57 state
config: x86_64-buildonly-randconfig-2003-20250504 (https://download.01.org/0day-ci/archive/20250513/202505131601.hjVlfjgp-lkp@intel.com/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/20250513/202505131601.hjVlfjgp-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/202505131601.hjVlfjgp-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   In file included from arch/x86/include/asm/pgtable_64_types.h:5,
                    from arch/x86/include/asm/pgtable_types.h:283,
                    from arch/x86/include/asm/paravirt_types.h:11,
                    from arch/x86/include/asm/ptrace.h:175,
                    from arch/x86/include/asm/math_emu.h:5,
                    from arch/x86/include/asm/processor.h:13,
                    from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:59,
                    from include/linux/thread_info.h:60,
                    from include/linux/spinlock.h:60,
                    from include/linux/swait.h:7,
                    from include/linux/completion.h:12,
                    from include/linux/crypto.h:15,
                    from arch/x86/kernel/asm-offsets.c:9:
>> arch/x86/include/asm/sparsemem.h:29:34: warning: "pgtable_l5_enabled" is not defined, evaluates to 0 [-Wundef]
      29 | # define MAX_PHYSMEM_BITS       (pgtable_l5_enabled() ? 52 : 46)
         |                                  ^~~~~~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:31:26: note: in expansion of macro 'MAX_PHYSMEM_BITS'
      31 | #define SECTIONS_SHIFT  (MAX_PHYSMEM_BITS - SECTION_SIZE_BITS)
         |                          ^~~~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:53:33: note: in expansion of macro 'SECTIONS_SHIFT'
      53 | #define SECTIONS_WIDTH          SECTIONS_SHIFT
         |                                 ^~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:58:35: note: in expansion of macro 'SECTIONS_WIDTH'
      58 | #if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_SHIFT \
         |                                   ^~~~~~~~~~~~~~
>> arch/x86/include/asm/sparsemem.h:29:52: error: missing binary operator before token "("
      29 | # define MAX_PHYSMEM_BITS       (pgtable_l5_enabled() ? 52 : 46)
         |                                                    ^
   include/linux/page-flags-layout.h:31:26: note: in expansion of macro 'MAX_PHYSMEM_BITS'
      31 | #define SECTIONS_SHIFT  (MAX_PHYSMEM_BITS - SECTION_SIZE_BITS)
         |                          ^~~~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:53:33: note: in expansion of macro 'SECTIONS_SHIFT'
      53 | #define SECTIONS_WIDTH          SECTIONS_SHIFT
         |                                 ^~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:58:35: note: in expansion of macro 'SECTIONS_WIDTH'
      58 | #if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_SHIFT \
         |                                   ^~~~~~~~~~~~~~
>> arch/x86/include/asm/sparsemem.h:29:34: warning: "pgtable_l5_enabled" is not defined, evaluates to 0 [-Wundef]
      29 | # define MAX_PHYSMEM_BITS       (pgtable_l5_enabled() ? 52 : 46)
         |                                  ^~~~~~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:31:26: note: in expansion of macro 'MAX_PHYSMEM_BITS'
      31 | #define SECTIONS_SHIFT  (MAX_PHYSMEM_BITS - SECTION_SIZE_BITS)
         |                          ^~~~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:53:33: note: in expansion of macro 'SECTIONS_SHIFT'
      53 | #define SECTIONS_WIDTH          SECTIONS_SHIFT
         |                                 ^~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:93:35: note: in expansion of macro 'SECTIONS_WIDTH'
      93 | #if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_WIDTH + \
         |                                   ^~~~~~~~~~~~~~
>> arch/x86/include/asm/sparsemem.h:29:52: error: missing binary operator before token "("
      29 | # define MAX_PHYSMEM_BITS       (pgtable_l5_enabled() ? 52 : 46)
         |                                                    ^
   include/linux/page-flags-layout.h:31:26: note: in expansion of macro 'MAX_PHYSMEM_BITS'
      31 | #define SECTIONS_SHIFT  (MAX_PHYSMEM_BITS - SECTION_SIZE_BITS)
         |                          ^~~~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:53:33: note: in expansion of macro 'SECTIONS_SHIFT'
      53 | #define SECTIONS_WIDTH          SECTIONS_SHIFT
         |                                 ^~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:93:35: note: in expansion of macro 'SECTIONS_WIDTH'
      93 | #if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_WIDTH + \
         |                                   ^~~~~~~~~~~~~~
>> arch/x86/include/asm/sparsemem.h:29:34: warning: "pgtable_l5_enabled" is not defined, evaluates to 0 [-Wundef]
      29 | # define MAX_PHYSMEM_BITS       (pgtable_l5_enabled() ? 52 : 46)
         |                                  ^~~~~~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:31:26: note: in expansion of macro 'MAX_PHYSMEM_BITS'
      31 | #define SECTIONS_SHIFT  (MAX_PHYSMEM_BITS - SECTION_SIZE_BITS)
         |                          ^~~~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:53:33: note: in expansion of macro 'SECTIONS_SHIFT'
      53 | #define SECTIONS_WIDTH          SECTIONS_SHIFT
         |                                 ^~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:104:35: note: in expansion of macro 'SECTIONS_WIDTH'
     104 | #if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_WIDTH + \
         |                                   ^~~~~~~~~~~~~~
>> arch/x86/include/asm/sparsemem.h:29:52: error: missing binary operator before token "("
      29 | # define MAX_PHYSMEM_BITS       (pgtable_l5_enabled() ? 52 : 46)
         |                                                    ^
   include/linux/page-flags-layout.h:31:26: note: in expansion of macro 'MAX_PHYSMEM_BITS'
      31 | #define SECTIONS_SHIFT  (MAX_PHYSMEM_BITS - SECTION_SIZE_BITS)
         |                          ^~~~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:53:33: note: in expansion of macro 'SECTIONS_SHIFT'
      53 | #define SECTIONS_WIDTH          SECTIONS_SHIFT
         |                                 ^~~~~~~~~~~~~~
   include/linux/page-flags-layout.h:104:35: note: in expansion of macro 'SECTIONS_WIDTH'
     104 | #if ZONES_WIDTH + LRU_GEN_WIDTH + SECTIONS_WIDTH + NODES_WIDTH + \
         |                                   ^~~~~~~~~~~~~~
   make[3]: *** [scripts/Makefile.build:98: arch/x86/kernel/asm-offsets.s] Error 1 shuffle=2385764854
   make[3]: Target 'prepare' not remade because of errors.
   make[2]: *** [Makefile:1280: prepare0] Error 2 shuffle=2385764854
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=2385764854
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2 shuffle=2385764854
   make: Target 'prepare' not remade because of errors.


vim +/pgtable_l5_enabled +29 arch/x86/include/asm/sparsemem.h

e41e614f6a3e3d arch/x86/include/asm/sparsemem.h Dmitry Vyukov       2022-09-15   6  
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30   7  #ifdef CONFIG_SPARSEMEM
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30   8  /*
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30   9   * generic non-linear memory support:
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  10   *
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  11   * 1) we will not split memory into more chunks than will fit into the flags
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  12   *    field of the struct page
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  13   *
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  14   * SECTION_SIZE_BITS		2^n: size of each section
0a787b28b7a375 arch/x86/include/asm/sparsemem.h Arvind Sankar       2020-07-23  15   * MAX_PHYSMEM_BITS		2^n: max size of physical address space
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  16   *
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  17   */
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  18  
96a388de5dc53a include/asm-x86/sparsemem.h      Thomas Gleixner     2007-10-11  19  #ifdef CONFIG_X86_32
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  20  # ifdef CONFIG_X86_PAE
fb8e8375394e11 include/asm-x86/sparsemem.h      Jeremy Fitzhardinge 2008-03-27  21  #  define SECTION_SIZE_BITS	29
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  22  #  define MAX_PHYSMEM_BITS	36
96a388de5dc53a include/asm-x86/sparsemem.h      Thomas Gleixner     2007-10-11  23  # else
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  24  #  define SECTION_SIZE_BITS	26
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  25  #  define MAX_PHYSMEM_BITS	32
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  26  # endif
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  27  #else /* CONFIG_X86_32 */
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  28  # define SECTION_SIZE_BITS	27 /* matt - 128 is convenient right now */
ed7588d5dc6f5e arch/x86/include/asm/sparsemem.h Kirill A. Shutemov  2018-05-18 @29  # define MAX_PHYSMEM_BITS	(pgtable_l5_enabled() ? 52 : 46)
4c7c44837be77e arch/x86/include/asm/sparsemem.h Kirill A. Shutemov  2017-03-30  30  #endif
8a423ff0c4a047 include/asm-x86/sparsemem.h      Thomas Gleixner     2008-01-30  31  

:::::: The code at line 29 was first introduced by commit
:::::: ed7588d5dc6f5e7202fb9bbeb14d94706ba225d7 x86/mm: Stop pretending pgtable_l5_enabled is a variable

:::::: TO: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
:::::: CC: Ingo Molnar <mingo@kernel.org>

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

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